Article(id=1322162115054522840, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322161751467078485, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1729440000000, receivedDateStr=2024-10-21, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793157612813, onlineDateStr=2026-10-28, pubDate=1758729600000, pubDateStr=2025-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793157612813, onlineIssueDateStr=2026-10-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793157612813, creator=13701087609, updateTime=1793157612813, updator=13701087609, issue=Issue{id=1322161751467078485, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='9', pageStart='1', pageEnd='314', issueExtLink='null', onlineDate='null', pubDate='1758729600000', pubDateStr='2025-09-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793157526127, creator='13701087609', updateTime=1793158877659, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322167420266074322, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322161751467078485, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322167420266074323, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322161751467078485, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=259, endPage=267, ext={EN=ArticleExt(id=1322162116933571034, articleId=1322162115054522840, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Study on Copper Lead Zinc Re-Selection Test of Iron Tailings in Peru, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

An iron tailings in Peru contain valuable metals such as copper, lead and zinc. The copper grade of the tailings is 0.38%, which mainly existing in the form of primary copper sulfide and secondary copper sulfide. The lead grade is 0.79%, mainly occurring in sulfide and carbonate minerals. The zinc grade is 2.68%, mainly occurring in sulfides. The sulfur grade is 8.45%, mainly existing in the form of sulfides. The optimization test of flotation reagent type was carried out by using the process flow of "copper-lead-zinc partially mixed floating, copper and lead-zinc separation, lead-zinc and other floating re-separation". In the mixed flotation roughing operation, lime + CL agent was used as the regulator, butyl xanthate + ester-112 was used as the collecting foaming agent. Sodium sulfide + sodium bisulfite inhibitor system was used in the separation of copper-zinc, and 25# black powder was used as the collecting foaming agent in the floating and re-separation operation of lead-zinc. A closed-circuit flotation test was designed based on the open-circuit test results of the whole process flotation and the middlings circulation scheme. The results show that the copper grade of the copper concentrate is 22.03%, and the copper recovery rate is 64.93%. The zinc grade of zinc concentrate is 47.12%, and the zinc recovery rate is 72.00%. The lead grade of lead-zinc concentrate is 21.65%, the zinc grade is 25.13%, the lead recovery rate is 58.84%, and the zinc recovery rate is 19.95%.

, authors=Liang MIAO1, Zhenyu LI1, Kai HOU2, authorsList=Liang MIAO, Zhenyu LI, Kai HOU, authorCompany=null, correspAuthors=Kai HOU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322162121597637098, articleId=1322162115054522840, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=秘鲁某选铁尾矿铜铅锌再选试验研究, columnId=1226462297560892399, journalTitle=矿业研究与开发, columnName=选矿与资源综合利用, runingTitle=null, highlight=null, articleAbstract=

秘鲁某选铁尾矿含有铜、铅、锌等有价金属,该尾矿铜品位为0.38%,主要以原生硫化铜和次生硫化铜的形态存在;铅品位为0.79%,主要赋存于硫化物和碳酸盐矿物中;锌品位为2.68%,主要赋存于硫化物中;硫品位为8.45%,主要以硫化物的形式存在。采用“铜铅锌部分混浮-铜与铅锌分离-铅锌等可浮再分离”工艺流程进行浮选药剂种类优化试验,确定混浮粗选作业采用石灰+CL合剂作为调整剂、丁基黄药+酯-112作为捕收起泡剂,铜与锌分离作业采用硫化钠+焦亚硫酸钠抑制剂体系,铅锌等可浮再分离作业采用25#黑药作为捕收起泡剂。基于全流程浮选开路试验结果和中矿循环方案设计了闭路浮选试验。结果表明:铜精矿铜品位为22.03%、铜回收率为64.93%;锌精矿锌品位为47.12%、锌回收率为72.00%;铅锌精矿铅品位为21.65%、锌品位为25.13%,铅回收率为58.84%、锌回收率为19.95%。

, authors=苗梁1, 李振宇1, 侯凯2, authorsList=苗梁, 李振宇, 侯凯, authorCompany=null, correspAuthors=侯凯, authorNote=

苗梁(1986—),男,甘肃白银人,高级工程师,主要从事选矿药剂及选矿流程研发推广工作。E-mail:

, correspAuthorsNote=
侯凯(1990—),男,山西平遥人,博士,副研究员,主要从事矿物加工和矿物材料方面的研究。E-mail:
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苗梁(1986—),男,甘肃白银人,高级工程师,主要从事选矿药剂及选矿流程研发推广工作。E-mail:

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苗梁(1986—),男,甘肃白银人,高级工程师,主要从事选矿药剂及选矿流程研发推广工作。E-mail:

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Changsha: Central South University, 2014., articleTitle=Study on the fundamental and application of flotation separation of copper-lead sulphide concentrate with sulfurous acid, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1322162126567879341, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, xref=1., ext=[AuthorCompanyExt(id=1322162126580462254, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, companyId=1322162126567879341, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.Northwest Research Institute of Mining and Metallurgy, Baiyin, Gansu 730900, China), AuthorCompanyExt(id=1322162126588850863, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, companyId=1322162126567879341, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, 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tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=图6, caption=原矿浮选药剂优化闭路试验工艺流程及条件, figureFileSmall=OiBBasbjSfHUeoW2icchuQ==, figureFileBig=MkKJEKsgXBxKgmzd2Dkedg==, tableContent=null), ArticleFig(id=1322162131152253656, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 1, caption=

Results of chemical multi-element analysis of raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
FeCuPbZnSPCoMoNi
18.850.380.792.688.450.150.040.010.07
SiO2Al2O3CaOMgOK2ONa2OTiMn烧失量
34.793.978.1310.330.520.350.090.1110.11
), ArticleFig(id=1322162131190010389, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=图4, caption=铅锌等可浮再分离捕收剂起泡种类优化试验工艺流程及条件, figureFileSmall=GyumJ0gp0N3+ZnjseuRNdg==, figureFileBig=vXC4UJtCxSWOm0mPkT9CsQ==, tableContent=null), ArticleFig(id=1322162131231945433, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表1, caption=

原矿化学多元素分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
FeCuPbZnSPCoMoNi
18.850.380.792.688.450.150.040.010.07
SiO2Al2O3CaOMgOK2ONa2OTiMn烧失量
34.793.978.1310.330.520.350.090.1110.11
), ArticleFig(id=1322162131248730646, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Fig.5, caption=Process flow and conditions of full process open circuit test, figureFileSmall=Ip4+dDxLXJLBiqtAwjw+QA==, figureFileBig=EqzZbOFEEfn5eACtiVuZhg==, tableContent=null), ArticleFig(id=1322162131307450903, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=图5, caption=全流程开路试验工艺流程及条件, figureFileSmall=Ip4+dDxLXJLBiqtAwjw+QA==, figureFileBig=EqzZbOFEEfn5eACtiVuZhg==, tableContent=null), ArticleFig(id=1322162131311637210, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 2, caption=

Phase analysis results of iron in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
磁性铁1.447.64
赤、褐铁矿3.6419.31
硫化物6.2733.26
碳酸盐1.889.97
硅酸盐5.6229.82
合计18.85100.00
), ArticleFig(id=1322162131412308504, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Fig.6, caption=Process flow and conditions of closed-circuit test of flotation reagents optimization in raw ore, figureFileSmall=OiBBasbjSfHUeoW2icchuQ==, figureFileBig=MkKJEKsgXBxKgmzd2Dkedg==, tableContent=null), ArticleFig(id=1322162131416494811, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表2, caption=

原矿铁物相分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
磁性铁1.447.64
赤、褐铁矿3.6419.31
硫化物6.2733.26
碳酸盐1.889.97
硅酸盐5.6229.82
合计18.85100.00
), ArticleFig(id=1322162131487797980, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 3, caption=

Plase analysis results of sulfur in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
硫化物8.1195.98
硫酸盐0.131.53
元素硫0.212.49
合计8.45100.00
), ArticleFig(id=1322162131550712541, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表3, caption=

原矿硫物相分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
硫化物8.1195.98
硫酸盐0.131.53
元素硫0.212.49
合计8.45100.00
), ArticleFig(id=1322162131626210014, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 4, caption=

Plase analysis results of copper in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
原生硫化铜0.2873.68
次生硫化铜0.0718.42
氧化铜0.037.90
合计0.38100.00
), ArticleFig(id=1322162131630412313, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=图6, caption=原矿浮选药剂优化闭路试验工艺流程及条件, figureFileSmall=OiBBasbjSfHUeoW2icchuQ==, figureFileBig=MkKJEKsgXBxKgmzd2Dkedg==, tableContent=null), ArticleFig(id=1322162131701707487, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表4, caption=

原矿铜物相分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
原生硫化铜0.2873.68
次生硫化铜0.0718.42
氧化铜0.037.90
合计0.38100.00
), ArticleFig(id=1322162131701715482, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 1, caption=

Results of chemical multi-element analysis of raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
FeCuPbZnSPCoMoNi
18.850.380.792.688.450.150.040.010.07
SiO2Al2O3CaOMgOK2ONa2OTiMn烧失量
34.793.978.1310.330.520.350.090.1110.11
), ArticleFig(id=1322162131760427744, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 5, caption=

Plase analysis results of lead in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
碳酸盐0.22027.85
硫化物0.48060.76
硫酸盐0.0222.78
铅铁矾0.0688.61
合计0.790100.00
), ArticleFig(id=1322162131764630043, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表1, caption=

原矿化学多元素分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
FeCuPbZnSPCoMoNi
18.850.380.792.688.450.150.040.010.07
SiO2Al2O3CaOMgOK2ONa2OTiMn烧失量
34.793.978.1310.330.520.350.090.1110.11
), ArticleFig(id=1322162131827536609, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表5, caption=

原矿铅物相分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
碳酸盐0.22027.85
硫化物0.48060.76
硫酸盐0.0222.78
铅铁矾0.0688.61
合计0.790100.00
), ArticleFig(id=1322162131907228386, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 6, caption=

Plase analysis results of zinc in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
硫化物2.3888.81
氧化物0.3011.19
锌铁尖晶石微量—
合计2.68100.00
), ArticleFig(id=1322162131965948643, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表6, caption=

原矿锌物相分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
硫化物2.3888.81
氧化物0.3011.19
锌铁尖晶石微量—
合计2.68100.00
), ArticleFig(id=1322162132033057508, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 7, caption=

Results of regulator types optimization test of mixed flotation roughing selection

, figureFileSmall=null, figureFileBig=null, tableContent=
调整剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
石灰:6 000粗精矿30.631.101.958.2816.8288.2676.5894.6360.90
尾矿69.370.060.260.214.7711.7423.435.3739.10
石灰+漂白粉:5 000+1 000粗精矿13.762.273.7816.2122.7382.2066.6883.2336.97
尾矿86.240.080.300.526.1817.8033.3216.7763.03
石灰+腐殖酸钠:5 000+1 000粗精矿25.341.232.309.2116.2382.0274.7287.0848.61
尾矿74.660.090.260.465.8217.9825.2812.9251.39
石灰+过硫酸钠:5 000+1 000粗精矿15.172.073.4214.6521.9282.6466.5182.9339.31
尾矿84.830.080.310.546.0517.3633.4917.0760.69
石灰+CL合剂:6 000+1 000粗精矿21.471.572.8011.8217.2288.7177.0794.6943.70
尾矿78.530.050.230.186.0711.3022.935.3156.30
原矿100.000.380.782.688.46100.00100.00100.00100.00
), ArticleFig(id=1322162132049842717, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 2, caption=

Phase analysis results of iron in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
磁性铁1.447.64
赤、褐铁矿3.6419.31
硫化物6.2733.26
碳酸盐1.889.97
硅酸盐5.6229.82
合计18.85100.00
), ArticleFig(id=1322162132121137893, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表7, caption=

混浮粗选调整剂种类优化试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
调整剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
石灰:6 000粗精矿30.631.101.958.2816.8288.2676.5894.6360.90
尾矿69.370.060.260.214.7711.7423.435.3739.10
石灰+漂白粉:5 000+1 000粗精矿13.762.273.7816.2122.7382.2066.6883.2336.97
尾矿86.240.080.300.526.1817.8033.3216.7763.03
石灰+腐殖酸钠:5 000+1 000粗精矿25.341.232.309.2116.2382.0274.7287.0848.61
尾矿74.660.090.260.465.8217.9825.2812.9251.39
石灰+过硫酸钠:5 000+1 000粗精矿15.172.073.4214.6521.9282.6466.5182.9339.31
尾矿84.830.080.310.546.0517.3633.4917.0760.69
石灰+CL合剂:6 000+1 000粗精矿21.471.572.8011.8217.2288.7177.0794.6943.70
尾矿78.530.050.230.186.0711.3022.935.3156.30
原矿100.000.380.782.688.46100.00100.00100.00100.00
), ArticleFig(id=1322162132125340190, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表2, caption=

原矿铁物相分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
磁性铁1.447.64
赤、褐铁矿3.6419.31
硫化物6.2733.26
碳酸盐1.889.97
硅酸盐5.6229.82
合计18.85100.00
), ArticleFig(id=1322162132205031967, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 3, caption=

Plase analysis results of sulfur in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
硫化物8.1195.98
硫酸盐0.131.53
元素硫0.212.49
合计8.45100.00
), ArticleFig(id=1322162132213412582, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 8, caption=

Results of collecting foaming agent types optimization test of mixed flotation roughing selection

, figureFileSmall=null, figureFileBig=null, tableContent=
捕收起泡剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
丁基黄药:40+20;酯-112:30+10粗精矿21.471.572.8011.8217.2288.7177.0794.6943.70
尾矿78.530.050.230.186.0711.3022.935.3156.30
丁基黄药:40+20;2#油:30+10粗精矿24.841.272.349.8315.2883.0274.5291.1144.86
尾矿75.160.090.260.326.2116.9825.488.8955.14
丁基黄药:40+20;Z-200:30+10粗精矿19.021.733.0513.0217.4686.5974.3792.4039.25
尾矿80.980.060.250.256.3513.4125.637.6060.75
丁基黄药:40+20;酯-215:30+10粗精矿20.151.642.9412.3416.3586.9675.9592.7838.94
尾矿79.850.060.230.246.4713.0424.057.2261.06
原矿100.000.380.782.688.46100.00100.00100.00100.00
), ArticleFig(id=1322162132276335137, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表3, caption=

原矿硫物相分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
硫化物8.1195.98
硫酸盐0.131.53
元素硫0.212.49
合计8.45100.00
), ArticleFig(id=1322162132284715751, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表8, caption=

铜锌混合粗选捕收起泡剂优化试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
捕收起泡剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
丁基黄药:40+20;酯-112:30+10粗精矿21.471.572.8011.8217.2288.7177.0794.6943.70
尾矿78.530.050.230.186.0711.3022.935.3156.30
丁基黄药:40+20;2#油:30+10粗精矿24.841.272.349.8315.2883.0274.5291.1144.86
尾矿75.160.090.260.326.2116.9825.488.8955.14
丁基黄药:40+20;Z-200:30+10粗精矿19.021.733.0513.0217.4686.5974.3792.4039.25
尾矿80.980.060.250.256.3513.4125.637.6060.75
丁基黄药:40+20;酯-215:30+10粗精矿20.151.642.9412.3416.3586.9675.9592.7838.94
尾矿79.850.060.230.246.4713.0424.057.2261.06
原矿100.000.380.782.688.46100.00100.00100.00100.00
), ArticleFig(id=1322162132351832610, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 4, caption=

Plase analysis results of copper in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
原生硫化铜0.2873.68
次生硫化铜0.0718.42
氧化铜0.037.90
合计0.38100.00
), ArticleFig(id=1322162132360213224, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 9, caption=

Results of optimization test of copper and lead-zinc separation reagent types

, figureFileSmall=null, figureFileBig=null, tableContent=
药剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnCuPbZn
硫化钠+焦亚硫酸钠:150+1 200铜粗精矿22.7513.214.427.5880.1414.085.47
分离尾矿77.250.967.9438.6119.8685.9294.53
硫化钠+亚硫酸钠+硫酸锌:150+1 200+1 200铜粗精矿31.659.847.6514.7683.0533.9114.81
分离尾矿68.350.936.9039.3216.9566.0985.19
硫化钠+亚硫酸:150+1 000铜粗精矿19.8315.134.737.6880.0113.144.83
分离尾矿80.170.947.7437.4519.9986.8695.17
硫化钠+T29:150+400铜粗精矿27.8210.326.2612.6776.5624.3911.17
分离尾矿72.181.227.4838.8323.4475.6188.83
给矿100.003.757.1431.55100.00100.00100.00
), ArticleFig(id=1322162132418941475, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表4, caption=

原矿铜物相分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
原生硫化铜0.2873.68
次生硫化铜0.0718.42
氧化铜0.037.90
合计0.38100.00
), ArticleFig(id=1322162132448293609, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表9, caption=

铜与铅锌分离药剂种类优化试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
药剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnCuPbZn
硫化钠+焦亚硫酸钠:150+1 200铜粗精矿22.7513.214.427.5880.1414.085.47
分离尾矿77.250.967.9438.6119.8685.9294.53
硫化钠+亚硫酸钠+硫酸锌:150+1 200+1 200铜粗精矿31.659.847.6514.7683.0533.9114.81
分离尾矿68.350.936.9039.3216.9566.0985.19
硫化钠+亚硫酸:150+1 000铜粗精矿19.8315.134.737.6880.0113.144.83
分离尾矿80.170.947.7437.4519.9986.8695.17
硫化钠+T29:150+400铜粗精矿27.8210.326.2612.6776.5624.3911.17
分离尾矿72.181.227.4838.8323.4475.6188.83
给矿100.003.757.1431.55100.00100.00100.00
), ArticleFig(id=1322162132498633252, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 5, caption=

Plase analysis results of lead in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
碳酸盐0.22027.85
硫化物0.48060.76
硫酸盐0.0222.78
铅铁矾0.0688.61
合计0.790100.00
), ArticleFig(id=1322162132532179690, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 10, caption=

Results of collecting foaming agent types optimization test of lead-zinc iso-flotability flotation and separation

, figureFileSmall=null, figureFileBig=null, tableContent=
捕收起泡剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnCuPbZn
丁基黄药+酯-112:2.5+2.5铅锌粗精矿37.841.2715.5431.8352.2473.1430.22
锌精矿62.160.713.4744.7547.7626.8669.78
25#黑药:5铅锌粗精矿40.051.1816.0528.0850.8280.0528.22
锌精矿59.950.762.6747.7149.1819.9571.78
SN-9:5铅锌粗精矿25.431.4718.1629.8339.7757.5819.05
锌精矿74.570.764.5643.2460.2342.4280.95
丁基黄药+2#油:2.5+2.5铅锌粗精矿33.451.3316.9232.7648.3670.2227.52
锌精矿66.550.713.6143.3751.6429.7872.48
给矿100.000.928.0639.82100.00100.00100.00
), ArticleFig(id=1322162132578325029, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表5, caption=

原矿铅物相分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
碳酸盐0.22027.85
硫化物0.48060.76
硫酸盐0.0222.78
铅铁矾0.0688.61
合计0.790100.00
), ArticleFig(id=1322162132641231595, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表10, caption=

铅锌等可浮再分离捕收起泡剂种类优化试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
捕收起泡剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnCuPbZn
丁基黄药+酯-112:2.5+2.5铅锌粗精矿37.841.2715.5431.8352.2473.1430.22
锌精矿62.160.713.4744.7547.7626.8669.78
25#黑药:5铅锌粗精矿40.051.1816.0528.0850.8280.0528.22
锌精矿59.950.762.6747.7149.1819.9571.78
SN-9:5铅锌粗精矿25.431.4718.1629.8339.7757.5819.05
锌精矿74.570.764.5643.2460.2342.4280.95
丁基黄药+2#油:2.5+2.5铅锌粗精矿33.451.3316.9232.7648.3670.2227.52
锌精矿66.550.713.6143.3751.6429.7872.48
给矿100.000.928.0639.82100.00100.00100.00
), ArticleFig(id=1322162132733506284, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 11, caption=

Results of open-circuit test

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
铜精矿0.7224.162.253.4529.5447.012.080.932.51
中矿10.257.824.626.2330.555.281.480.590.90
中矿20.632.736.8212.7830.764.655.513.032.29
中矿30.232.435.3211.0430.211.511.570.950.82
铅锌精矿1.041.3822.1524.1627.783.8829.539.453.42
中矿40.371.0713.2129.1628.931.076.274.061.27
中矿50.680.927.5433.4529.431.696.578.552.37
中矿60.310.795.3736.7530.270.662.134.281.11
锌精矿2.820.742.5448.8530.455.649.1851.7910.15
中矿71.561.191.564.3718.455.023.122.563.40
中矿82.780.580.932.6712.344.363.312.794.05
中矿910.120.230.471.539.386.296.105.8211.22
中矿102.230.290.511.279.541.751.461.062.51
尾矿76.260.050.220.145.9911.1921.694.1453.98
原矿100.000.370.782.668.46100.00100.00100.00100.00
), ArticleFig(id=1322162132817400358, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 6, caption=

Plase analysis results of zinc in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
硫化物2.3888.81
氧化物0.3011.19
锌铁尖晶石微量—
合计2.68100.00
), ArticleFig(id=1322162132825780973, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表11, caption=

开路试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
铜精矿0.7224.162.253.4529.5447.012.080.932.51
中矿10.257.824.626.2330.555.281.480.590.90
中矿20.632.736.8212.7830.764.655.513.032.29
中矿30.232.435.3211.0430.211.511.570.950.82
铅锌精矿1.041.3822.1524.1627.783.8829.539.453.42
中矿40.371.0713.2129.1628.931.076.274.061.27
中矿50.680.927.5433.4529.431.696.578.552.37
中矿60.310.795.3736.7530.270.662.134.281.11
锌精矿2.820.742.5448.8530.455.649.1851.7910.15
中矿71.561.191.564.3718.455.023.122.563.40
中矿82.780.580.932.6712.344.363.312.794.05
中矿910.120.230.471.539.386.296.105.8211.22
中矿102.230.290.511.279.541.751.461.062.51
尾矿76.260.050.220.145.9911.1921.694.1453.98
原矿100.000.370.782.668.46100.00100.00100.00100.00
), ArticleFig(id=1322162132901278446, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 12, caption=

Results of closed-circuit test of flotation reagents optimization in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
铜精矿1.1222.033.274.1235.1564.934.701.744.65
铅锌精矿2.122.1621.6525.1328.1312.0558.8419.957.05
锌精矿4.080.741.0847.1229.857.955.6572.0014.40
尾矿92.680.060.260.186.7515.0730.816.3173.90
原矿100.000.380.782.678.46100.00100.00100.00100.00
), ArticleFig(id=1322162132922257959, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表6, caption=

原矿锌物相分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
相别含量占有率
硫化物2.3888.81
氧化物0.3011.19
锌铁尖晶石微量—
合计2.68100.00
), ArticleFig(id=1322162132980970223, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表12, caption=

原矿浮选药剂优化闭路试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
铜精矿1.1222.033.274.1235.1564.934.701.744.65
铅锌精矿2.122.1621.6525.1328.1312.0558.8419.957.05
锌精矿4.080.741.0847.1229.857.955.6572.0014.40
尾矿92.680.060.260.186.7515.0730.816.3173.90
原矿100.000.380.782.678.46100.00100.00100.00100.00
), ArticleFig(id=1322162134612562472, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 7, caption=

Results of regulator types optimization test of mixed flotation roughing selection

, figureFileSmall=null, figureFileBig=null, tableContent=
调整剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
石灰:6 000粗精矿30.631.101.958.2816.8288.2676.5894.6360.90
尾矿69.370.060.260.214.7711.7423.435.3739.10
石灰+漂白粉:5 000+1 000粗精矿13.762.273.7816.2122.7382.2066.6883.2336.97
尾矿86.240.080.300.526.1817.8033.3216.7763.03
石灰+腐殖酸钠:5 000+1 000粗精矿25.341.232.309.2116.2382.0274.7287.0848.61
尾矿74.660.090.260.465.8217.9825.2812.9251.39
石灰+过硫酸钠:5 000+1 000粗精矿15.172.073.4214.6521.9282.6466.5182.9339.31
尾矿84.830.080.310.546.0517.3633.4917.0760.69
石灰+CL合剂:6 000+1 000粗精矿21.471.572.8011.8217.2288.7177.0794.6943.70
尾矿78.530.050.230.186.0711.3022.935.3156.30
原矿100.000.380.782.688.46100.00100.00100.00100.00
), ArticleFig(id=1322162134704837162, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表7, caption=

混浮粗选调整剂种类优化试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
调整剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
石灰:6 000粗精矿30.631.101.958.2816.8288.2676.5894.6360.90
尾矿69.370.060.260.214.7711.7423.435.3739.10
石灰+漂白粉:5 000+1 000粗精矿13.762.273.7816.2122.7382.2066.6883.2336.97
尾矿86.240.080.300.526.1817.8033.3216.7763.03
石灰+腐殖酸钠:5 000+1 000粗精矿25.341.232.309.2116.2382.0274.7287.0848.61
尾矿74.660.090.260.465.8217.9825.2812.9251.39
石灰+过硫酸钠:5 000+1 000粗精矿15.172.073.4214.6521.9282.6466.5182.9339.31
尾矿84.830.080.310.546.0517.3633.4917.0760.69
石灰+CL合剂:6 000+1 000粗精矿21.471.572.8011.8217.2288.7177.0794.6943.70
尾矿78.530.050.230.186.0711.3022.935.3156.30
原矿100.000.380.782.688.46100.00100.00100.00100.00
), ArticleFig(id=1322162134784528940, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 8, caption=

Results of collecting foaming agent types optimization test of mixed flotation roughing selection

, figureFileSmall=null, figureFileBig=null, tableContent=
捕收起泡剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
丁基黄药:40+20;酯-112:30+10粗精矿21.471.572.8011.8217.2288.7177.0794.6943.70
尾矿78.530.050.230.186.0711.3022.935.3156.30
丁基黄药:40+20;2#油:30+10粗精矿24.841.272.349.8315.2883.0274.5291.1144.86
尾矿75.160.090.260.326.2116.9825.488.8955.14
丁基黄药:40+20;Z-200:30+10粗精矿19.021.733.0513.0217.4686.5974.3792.4039.25
尾矿80.980.060.250.256.3513.4125.637.6060.75
丁基黄药:40+20;酯-215:30+10粗精矿20.151.642.9412.3416.3586.9675.9592.7838.94
尾矿79.850.060.230.246.4713.0424.057.2261.06
原矿100.000.380.782.688.46100.00100.00100.00100.00
), ArticleFig(id=1322162134868415022, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表8, caption=

铜锌混合粗选捕收起泡剂优化试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
捕收起泡剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
丁基黄药:40+20;酯-112:30+10粗精矿21.471.572.8011.8217.2288.7177.0794.6943.70
尾矿78.530.050.230.186.0711.3022.935.3156.30
丁基黄药:40+20;2#油:30+10粗精矿24.841.272.349.8315.2883.0274.5291.1144.86
尾矿75.160.090.260.326.2116.9825.488.8955.14
丁基黄药:40+20;Z-200:30+10粗精矿19.021.733.0513.0217.4686.5974.3792.4039.25
尾矿80.980.060.250.256.3513.4125.637.6060.75
丁基黄药:40+20;酯-215:30+10粗精矿20.151.642.9412.3416.3586.9675.9592.7838.94
尾矿79.850.060.230.246.4713.0424.057.2261.06
原矿100.000.380.782.688.46100.00100.00100.00100.00
), ArticleFig(id=1322162134943912495, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 9, caption=

Results of optimization test of copper and lead-zinc separation reagent types

, figureFileSmall=null, figureFileBig=null, tableContent=
药剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnCuPbZn
硫化钠+焦亚硫酸钠:150+1 200铜粗精矿22.7513.214.427.5880.1414.085.47
分离尾矿77.250.967.9438.6119.8685.9294.53
硫化钠+亚硫酸钠+硫酸锌:150+1 200+1 200铜粗精矿31.659.847.6514.7683.0533.9114.81
分离尾矿68.350.936.9039.3216.9566.0985.19
硫化钠+亚硫酸:150+1 000铜粗精矿19.8315.134.737.6880.0113.144.83
分离尾矿80.170.947.7437.4519.9986.8695.17
硫化钠+T29:150+400铜粗精矿27.8210.326.2612.6776.5624.3911.17
分离尾矿72.181.227.4838.8323.4475.6188.83
给矿100.003.757.1431.55100.00100.00100.00
), ArticleFig(id=1322162135002632752, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表9, caption=

铜与铅锌分离药剂种类优化试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
药剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnCuPbZn
硫化钠+焦亚硫酸钠:150+1 200铜粗精矿22.7513.214.427.5880.1414.085.47
分离尾矿77.250.967.9438.6119.8685.9294.53
硫化钠+亚硫酸钠+硫酸锌:150+1 200+1 200铜粗精矿31.659.847.6514.7683.0533.9114.81
分离尾矿68.350.936.9039.3216.9566.0985.19
硫化钠+亚硫酸:150+1 000铜粗精矿19.8315.134.737.6880.0113.144.83
分离尾矿80.170.947.7437.4519.9986.8695.17
硫化钠+T29:150+400铜粗精矿27.8210.326.2612.6776.5624.3911.17
分离尾矿72.181.227.4838.8323.4475.6188.83
给矿100.003.757.1431.55100.00100.00100.00
), ArticleFig(id=1322162135073935922, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 10, caption=

Results of collecting foaming agent types optimization test of lead-zinc iso-flotability flotation and separation

, figureFileSmall=null, figureFileBig=null, tableContent=
捕收起泡剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnCuPbZn
丁基黄药+酯-112:2.5+2.5铅锌粗精矿37.841.2715.5431.8352.2473.1430.22
锌精矿62.160.713.4744.7547.7626.8669.78
25#黑药:5铅锌粗精矿40.051.1816.0528.0850.8280.0528.22
锌精矿59.950.762.6747.7149.1819.9571.78
SN-9:5铅锌粗精矿25.431.4718.1629.8339.7757.5819.05
锌精矿74.570.764.5643.2460.2342.4280.95
丁基黄药+2#油:2.5+2.5铅锌粗精矿33.451.3316.9232.7648.3670.2227.52
锌精矿66.550.713.6143.3751.6429.7872.48
给矿100.000.928.0639.82100.00100.00100.00
), ArticleFig(id=1322162135136850483, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表10, caption=

铅锌等可浮再分离捕收起泡剂种类优化试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
捕收起泡剂种类及用量/(g/t)产品名称产率/%品位/%回收率/%
CuPbZnCuPbZn
丁基黄药+酯-112:2.5+2.5铅锌粗精矿37.841.2715.5431.8352.2473.1430.22
锌精矿62.160.713.4744.7547.7626.8669.78
25#黑药:5铅锌粗精矿40.051.1816.0528.0850.8280.0528.22
锌精矿59.950.762.6747.7149.1819.9571.78
SN-9:5铅锌粗精矿25.431.4718.1629.8339.7757.5819.05
锌精矿74.570.764.5643.2460.2342.4280.95
丁基黄药+2#油:2.5+2.5铅锌粗精矿33.451.3316.9232.7648.3670.2227.52
锌精矿66.550.713.6143.3751.6429.7872.48
给矿100.000.928.0639.82100.00100.00100.00
), ArticleFig(id=1322162135212347956, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 11, caption=

Results of open-circuit test

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
铜精矿0.7224.162.253.4529.5447.012.080.932.51
中矿10.257.824.626.2330.555.281.480.590.90
中矿20.632.736.8212.7830.764.655.513.032.29
中矿30.232.435.3211.0430.211.511.570.950.82
铅锌精矿1.041.3822.1524.1627.783.8829.539.453.42
中矿40.371.0713.2129.1628.931.076.274.061.27
中矿50.680.927.5433.4529.431.696.578.552.37
中矿60.310.795.3736.7530.270.662.134.281.11
锌精矿2.820.742.5448.8530.455.649.1851.7910.15
中矿71.561.191.564.3718.455.023.122.563.40
中矿82.780.580.932.6712.344.363.312.794.05
中矿910.120.230.471.539.386.296.105.8211.22
中矿102.230.290.511.279.541.751.461.062.51
尾矿76.260.050.220.145.9911.1921.694.1453.98
原矿100.000.370.782.668.46100.00100.00100.00100.00
), ArticleFig(id=1322162135401091637, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表11, caption=

开路试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
铜精矿0.7224.162.253.4529.5447.012.080.932.51
中矿10.257.824.626.2330.555.281.480.590.90
中矿20.632.736.8212.7830.764.655.513.032.29
中矿30.232.435.3211.0430.211.511.570.950.82
铅锌精矿1.041.3822.1524.1627.783.8829.539.453.42
中矿40.371.0713.2129.1628.931.076.274.061.27
中矿50.680.927.5433.4529.431.696.578.552.37
中矿60.310.795.3736.7530.270.662.134.281.11
锌精矿2.820.742.5448.8530.455.649.1851.7910.15
中矿71.561.191.564.3718.455.023.122.563.40
中矿82.780.580.932.6712.344.363.312.794.05
中矿910.120.230.471.539.386.296.105.8211.22
中矿102.230.290.511.279.541.751.461.062.51
尾矿76.260.050.220.145.9911.1921.694.1453.98
原矿100.000.370.782.668.46100.00100.00100.00100.00
), ArticleFig(id=1322162135770190390, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=EN, label=Table 12, caption=

Results of closed-circuit test of flotation reagents optimization in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
铜精矿1.1222.033.274.1235.1564.934.701.744.65
铅锌精矿2.122.1621.6525.1328.1312.0558.8419.957.05
锌精矿4.080.741.0847.1229.857.955.6572.0014.40
尾矿92.680.060.260.186.7515.0730.816.3173.90
原矿100.000.380.782.678.46100.00100.00100.00100.00
), ArticleFig(id=1322162135841493559, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162115054522840, language=CN, label=表12, caption=

原矿浮选药剂优化闭路试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%品位/%回收率/%
CuPbZnSCuPbZnS
铜精矿1.1222.033.274.1235.1564.934.701.744.65
铅锌精矿2.122.1621.6525.1328.1312.0558.8419.957.05
锌精矿4.080.741.0847.1229.857.955.6572.0014.40
尾矿92.680.060.260.186.7515.0730.816.3173.90
原矿100.000.380.782.678.46100.00100.00100.00100.00
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秘鲁某选铁尾矿铜铅锌再选试验研究
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苗梁 1 , 李振宇 1 , 侯凯 2
矿业研究与开发 | 选矿与资源综合利用 2025,45(9): 259-267
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矿业研究与开发 |选矿与资源综合利用 2025 , 45 (9) : 259 -267
秘鲁某选铁尾矿铜铅锌再选试验研究
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苗梁(1986—),男,甘肃白银人,高级工程师,主要从事选矿药剂及选矿流程研发推广工作。E-mail:

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苗梁1 , 李振宇1, 侯凯2
作者信息
  • 1.西北矿冶研究院,甘肃 白银市 730900
  • 2.太原理工大学 矿业工程学院,山西 太原 030024
通讯作者:
侯凯(1990—),男,山西平遥人,博士,副研究员,主要从事矿物加工和矿物材料方面的研究。E-mail:
作者简介:

苗梁(1986—),男,甘肃白银人,高级工程师,主要从事选矿药剂及选矿流程研发推广工作。E-mail:

Study on Copper Lead Zinc Re-Selection Test of Iron Tailings in Peru
Liang MIAO1 , Zhenyu LI1, Kai HOU2
Affiliations
  • 1.Northwest Research Institute of Mining and Metallurgy, Baiyin, Gansu 730900, China
  • 2.College of Mining Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China
出版时间: 2025-09-25
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秘鲁某选铁尾矿含有铜、铅、锌等有价金属,该尾矿铜品位为0.38%,主要以原生硫化铜和次生硫化铜的形态存在;铅品位为0.79%,主要赋存于硫化物和碳酸盐矿物中;锌品位为2.68%,主要赋存于硫化物中;硫品位为8.45%,主要以硫化物的形式存在。采用“铜铅锌部分混浮-铜与铅锌分离-铅锌等可浮再分离”工艺流程进行浮选药剂种类优化试验,确定混浮粗选作业采用石灰+CL合剂作为调整剂、丁基黄药+酯-112作为捕收起泡剂,铜与锌分离作业采用硫化钠+焦亚硫酸钠抑制剂体系,铅锌等可浮再分离作业采用25#黑药作为捕收起泡剂。基于全流程浮选开路试验结果和中矿循环方案设计了闭路浮选试验。结果表明:铜精矿铜品位为22.03%、铜回收率为64.93%;锌精矿锌品位为47.12%、锌回收率为72.00%;铅锌精矿铅品位为21.65%、锌品位为25.13%,铅回收率为58.84%、锌回收率为19.95%。

浮选药剂  /  铁铜铅锌硫化矿  /  组合抑制剂  /  捕收起泡剂  /  选矿指标

An iron tailings in Peru contain valuable metals such as copper, lead and zinc. The copper grade of the tailings is 0.38%, which mainly existing in the form of primary copper sulfide and secondary copper sulfide. The lead grade is 0.79%, mainly occurring in sulfide and carbonate minerals. The zinc grade is 2.68%, mainly occurring in sulfides. The sulfur grade is 8.45%, mainly existing in the form of sulfides. The optimization test of flotation reagent type was carried out by using the process flow of "copper-lead-zinc partially mixed floating, copper and lead-zinc separation, lead-zinc and other floating re-separation". In the mixed flotation roughing operation, lime + CL agent was used as the regulator, butyl xanthate + ester-112 was used as the collecting foaming agent. Sodium sulfide + sodium bisulfite inhibitor system was used in the separation of copper-zinc, and 25# black powder was used as the collecting foaming agent in the floating and re-separation operation of lead-zinc. A closed-circuit flotation test was designed based on the open-circuit test results of the whole process flotation and the middlings circulation scheme. The results show that the copper grade of the copper concentrate is 22.03%, and the copper recovery rate is 64.93%. The zinc grade of zinc concentrate is 47.12%, and the zinc recovery rate is 72.00%. The lead grade of lead-zinc concentrate is 21.65%, the zinc grade is 25.13%, the lead recovery rate is 58.84%, and the zinc recovery rate is 19.95%.

Flotation reagent  /  Iron-copper-lead-zinc sulfide ore  /  Combined inhibitor  /  Collecting foaming agent  /  Beneficiation index
苗梁, 李振宇, 侯凯. 秘鲁某选铁尾矿铜铅锌再选试验研究. 矿业研究与开发, 2025 , 45 (9) : 259 -267 .
Liang MIAO, Zhenyu LI, Kai HOU. Study on Copper Lead Zinc Re-Selection Test of Iron Tailings in Peru[J]. Mining Research and Development, 2025 , 45 (9) : 259 -267 .
在全球化经济快速发展的背景下,金属矿资源不仅是现代工业不可或缺的基石,也是国家经济建设和国防安全的战略资源[1-2],被广泛应用于能源、信息技术、基础设施建设、机械制造及日常生活等领域[3]。从国内资源分布特点来看,我国虽然拥有较为丰富的铜、铅、锌及铁矿资源,但空间分布极不均衡,且矿石品位普遍较低,共伴生矿多,单一矿少,开发难度较大[4-5]。资源分布不均和资源品质的差异性使得国内金属矿产资源的开发利用面临资源配置难、选冶难度大、资源利用率低、开发成本高、环境风险加剧等诸多困境[6-8]。为缓解国内资源供需矛盾,保障国家经济安全,通过引入印尼[9]、马亚西亚[10]、秘鲁等国的优质金属矿产资源,有效弥补了国内资源短板[11-12]。
为实现秘鲁某选铁尾矿中铜、铅、锌等有价组分的高效综合回收,本研究针对选厂当前铜锌分选工艺系统开展了浮选药剂适应性优化试验,解决生产中存在的技术难题,以稳定生产技术指标并提升产品质量。
选铁尾矿的化学多元素分析结果见表1。
由表1可知,选铁尾矿矿石中主要有价元素为铁、铜、铅和锌,铁品位为18.85%,铜品位为0.38%,铅品位为0.79%,锌品位为2.68%。除上述元素外,其他金属元素的含量均较低,不具备显著的回收经济效益。值得注意的是,矿石中有害组分磷、硫等的含量较高,这些杂质的存在可能会对后续精矿产品的品质产生不利影响。因此,在选矿工艺流程及冶炼加工环节,需采取针对性技术措施对有害组分进行控制或去除。此外,矿石的主要脉石组成为SiO2,这是矿石中常见的非金属矿物。
原矿中铁、硫、铜、铅、锌的物相分析结果见表2至表6。
由表2可知,原矿中铁主要赋存于硫化物和硅酸盐矿物中,其占比分别为33.26%和29.82%,显著优于其他铁矿物;其次为赤、褐铁矿,其占比为19.31%;磁性铁和碳酸盐中铁的分布比例较低。
由表3可知,原矿中硫元素几乎全部以硫化物的形式存在,占比高达95.98%。因此,在选矿工艺中需特别关注硫化物对铜、铅、锌等精矿产品质量的影响,并选用高效抑制剂和捕收剂优化分离效果。
由表4可知,原矿中的铜元素主要以原生硫化铜和次生硫化铜的形态存在,其占比分别为73.68%和18.42%,是铜回收的主要矿物相;氧化铜的占比较低,仅为7.90%。
由表5可知,原矿中铅主要赋存于硫化物和碳酸盐矿物中,其占比分别为60.76%和27.85%,是铅回收的主要矿物相。
由表6可知,原矿中锌主要赋存于硫化物中,其占比高达88.81%,即硫化锌矿物是锌回收的主要来源;其他形态的锌含量相对较低,对整体回收策略影响有限。
以选厂当前铜锌分离采用的浮选药剂与国内外常用的铜锌分离浮选药剂为基础,重点开展了铜锌混浮粗选调整剂和捕收起泡剂、铜锌分离作业抑制剂、铅浮选捕收起泡剂等药剂的种类优化试验研究。
因原矿硫铁矿含量较高,铜铅锌混合浮选实际为部分混浮,调整剂的选择重点在于抑制硫铁矿物,实现伴生铜铅锌与硫的分离。硫铁矿常用抑制剂有石灰、漂白粉、石灰+有机抑制剂、石灰+无机抑制剂等[13]。固定活化剂和捕收起泡剂种类及用量,控制矿浆pH为10.5,进行铜锌混浮粗选调整剂种类优化试验。工艺流程及条件如图1所示,试验结果见表7。
由表7可知,采用石灰分别与漂白粉、过硫酸钠或腐殖酸钠组合作为混浮粗选调整剂时,会对粗精矿铜、铅、锌的回收率产生不利影响,表明这些调整剂组合选矿效果不佳。相比之下,石灰与CL合剂组合相较于单一石灰调整剂具有以下优势:石灰+CL合剂能够显著提升粗选作业泡沫的富集比,可有效促进目标矿物的集中与回收,提高粗精矿的铜、铅、锌的回收率;具备降低硫上浮至精矿中的能力,降低粗精矿的硫回收率,减少后续处理过程中的负担。
混浮粗选捕收起泡剂种类优化试验工艺流程及条件如图2所示,试验结果见表8。
由表8可知,采用丁基黄药分别与2#油、Z-200和酯-215组合作为混浮粗选捕收起泡剂时,粗精矿铜、铅、锌的回收率均采用低于丁基黄药与酯-112组合,且后者粗精矿产率也较高,表明丁基黄药与酯-112组合作为捕收起泡剂在平衡回收率与产率方面具有一定优势。因此,原矿混合粗选作业中,适宜的捕收起泡剂种类为丁基黄药+酯-112,其对细粒级铜铅锌矿物具有较强的捕收能力和选择性,可以提高浮选过程的效率和精矿质量。
以铜铅锌混合精矿为研究对象,在采用活性炭+再磨脱药基础上,进行铜与铅锌分离抑制剂种类优化试验。铅锌抑制剂可分为无机和有机两大类[14-15],其中无机抑制剂分为还原性药剂(如亚硫酸钠、硫化钠、硫代硫酸钠等)和氧化性药剂(如过硫酸铵、硫酸亚铁、高锰酸钾等);有机抑制剂主要为小分子有机物。目前,铜与铅锌分离工艺中最常用的抑制剂为硫化钠+硫酸盐或亚硫酸以及无机盐+有机小分子。
铜与铅锌分离抑制剂种类优化试验工艺流程及条件如图3所示,重点对比了硫化钠+焦亚硫酸钠、硫化钠+硫酸锌+亚硫酸钠、硫化钠+亚硫酸、硫化钠+T29(小分子有机抑制剂)对铜与铅锌分离效果的影响,试验结果见表9。
由表9可知,采用硫化钠+亚硫酸钠+硫酸锌作为铜与铅锌分离抑制剂时,铜回收率较高,但铜粗精矿中铅锌含量明显增加,分选指标最差;硫化钠+T29 抑制剂分选效果也偏差。与硫化钠+焦亚硫酸钠相比,采用硫化钠+亚硫酸作为抑制剂时,铜粗精矿铜品位更高,铜回收率略低,且铅锌含量与采用硫化钠+焦亚硫酸时相近。但亚硫酸生产过程中存在环境污染问题,且其为酸性液体,不利于运输和使用[16]。综上所述,给矿铜与铅锌分离作业中适宜的抑制剂为硫化钠+焦亚硫酸钠。
以铜与铅锌分离扫选底流为给矿,铅锌等可浮再分离捕收剂种类及用量优化试验工艺流程及条件如图4所示,试验结果见表10。
由表10可知,在铜与铅锌分离后的弱酸性至中性介质条件下,对比4种捕收起泡剂对铅锌等可浮再分离效果的影响,可以得出25#黑药对铅的选择性和捕收能力较强,铅锌粗精矿的铅回收率最高。综上所述,原矿铜与铅锌分离后铅锌等可浮再分离作业适宜的捕收起泡剂为25#黑药。
基于混浮粗选、铜铅锌分离浮选药剂种类优化试验,通过条件试验确定了各浮选药剂用量。全流程开路试验工艺流程及条件如图5所示,试验结果见表11。
根据全流程开路试验中各中矿的铜、铅、锌品位数据,对中矿循环路径进行配置:(1)将铜精选Ⅱ作业获得的中矿1给入铜精选Ⅰ作业;(2)铜精选Ⅰ作业获得的中矿2和铜锌分离扫选作业获得的中矿3共同给入铜锌分离粗选作业;(3)铅精选Ⅱ作业获得的中矿4给入铅精选Ⅰ作业;(4)铅精选Ⅰ作业获得的中矿5和铅扫选作业获得的中矿6共同给入铅锌等可浮再分离作业;(5)铜锌精选Ⅲ作业获得的中矿7给入铜锌精选Ⅱ作业;(6)铜锌精选Ⅱ作业获得的中矿8给入铜锌混精Ⅰ作业;(7)铜锌混精Ⅰ作业获得的中矿9和铜锌扫选作业获得的中矿10共同给入铜锌混浮粗选作业。中矿循环方案通过多级回流循环处理,能最大限度地回收矿石中的有用成分,减少矿物在分选过程中的损失,提高资源利用率。
根据全流程开路试验结果和中矿循环方案,设计闭路浮选试验,工艺流程及条件如图6所示,试验结果见表12。
由表12可知,采用“铜铅锌混浮-铜与铅锌分离-铅锌等可浮再分离”工艺进行闭路浮选试验,获得以下技术指标:铜精矿铜品位为22.03%、铜回收率为64.93%、含铅3.27%、含锌4.12%;锌精矿锌品位为47.12%、锌回收率为72.00%、含铜0.74%、含铅1.08%;铅锌精矿铅品位为21.65%、锌品位为25.13%,铅回收率为58.84%、锌回收率为19.95%。闭路试验获得的铜精矿、锌精矿、铅锌精矿中有价元素品位和回收率指标较好,验证了该工艺在提高有价金属回收率和资源利用率方面的有效性。研究成果可为同类复杂多金属矿的选别提供技术参考。
(1)选厂现有浮选药剂对原矿的适应性较强,通过在混浮粗选作业中增加调整剂CL合剂,可在提高粗精矿的铜、铅、锌回收率的同时降低硫回收率;在混浮粗选作业采用丁基黄药+酯-112作为捕收起泡剂,其对细粒级铜铅锌矿物具有较强的捕收能力和选择性;铜与锌锌分离作业中,硫化钠+焦亚硫酸钠抑制剂体系的铜与铅锌分离选矿指标相比于其他抑制剂较好,且具有环保性优势;铅锌等可浮再分离作业采用25#黑药作为捕收起泡剂,铅锌粗精矿的铅回收率较高。
(2)基于混浮粗选、铜铅锌分离浮选药剂种类优化试验,设计了全流程浮选开路试验,并根据试验结果制定了中矿循环方案。采用“铜铅锌混浮-铜与铅锌分离-铅锌等可浮再分离”工艺进行闭路浮选试验。结果表明:铜精矿铜品位为22.03%、铜回收率为64.93%;锌精矿锌品位为47.12%、锌回收率为72.00%;铅锌精矿铅品位为21.65%、锌品位为25.13%,铅回收率为58.84%、锌回收率为19.95%。

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2025年第45卷第9期
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  • 接收时间:2024-10-21
  • 首发时间:2026-10-28
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    1.西北矿冶研究院,甘肃 白银市 730900
    2.太原理工大学 矿业工程学院,山西 太原 030024

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侯凯(1990—),男,山西平遥人,博士,副研究员,主要从事矿物加工和矿物材料方面的研究。E-mail:
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