Article(id=1241416390809285176, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241416382559081210, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2025.03.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1736870400000, receivedDateStr=2025-01-15, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773906331970, onlineDateStr=2026-03-19, pubDate=1748707200000, pubDateStr=2025-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773906331970, onlineIssueDateStr=2026-03-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773906331970, creator=13701087609, updateTime=1773906331970, updator=13701087609, issue=Issue{id=1241416382559081210, tenantId=1146029695717560320, journalId=1235980550691926019, year='2025', volume='45', issue='3', pageStart='1', pageEnd='223', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773906330003, creator=13701087609, updateTime=1773908015401, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241423451685179940, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241416382559081210, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241423451685179941, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241416382559081210, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=84, endPage=87, ext={EN=ArticleExt(id=1241416391153218145, articleId=1241416390809285176, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=New Cyanide-Free Separation Technology for Mo-Bi-S Bulk Concentrate, columnId=1236276106932842717, journalTitle=Mining and Metallurgical Engineering, columnName=MINERAL PROCESSING, runingTitle=null, highlight=null, articleAbstract=

Aiming at the Mo-Bi-S bulk concentrate from Hunan Shizhuyuan Nonferrous Metals Limited Company, a green, environmentally-friendly and efficient depressant (CYZ-15) and a new cyanide-free processing technique for Mo-Bi-S separation were developed. An experiment with the developed flowsheet produced a molybdenum concentrate grading 40.36% Mo at 92.98% recovery with a yield of 3.02%, and a bismuth concentrate grading 28.14% Bi at 95.64% recovery with a yield of 9.62%. It is shown that cyanide-free and efficient separation of Mo-Bi-S bulk concentrate can be actualized.

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以湖南柿竹园钼铋硫混合精矿为研究对象,开发了钼-铋-硫分离的绿色环保高效抑制剂CYZ-15与钼-铋-硫无氰分离新技术,流程试验获得了产率3.02%、Mo品位40.36%、Mo回收率92.98%的钼精矿和产率9.62%、Bi品位28.14%、Bi回收率95.64%的铋精矿,实现了钼铋硫混合精矿的无氰高效分离。

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李振兴(1982—),男,湖北利川人,高级工程师,长期从事钨多金属矿选矿技术及生产管理工作。E-mail:
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caption=Flowchart with parameters in closed-circuit test of Mo-Bi-S separation by flotation, figureFileSmall=IDPwfVZep/oWIRYmAo343A==, figureFileBig=l5Y2rQYd5Bo8tl1VShyXig==, tableContent=null), ArticleFig(id=1241422265913504333, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241416390809285176, language=CN, label=图7, caption=钼-铋-硫浮选分离闭路试验流程及工艺参数, figureFileSmall=IDPwfVZep/oWIRYmAo343A==, figureFileBig=l5Y2rQYd5Bo8tl1VShyXig==, tableContent=null), ArticleFig(id=1241422266060304981, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241416390809285176, language=EN, label=Table 1, caption=

Closed-circuit test results of Mo-Bi-S separation by flotation

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%品位/%回收率/%
MoBiSMoBiS
钼精矿3.0240.361.3128.1092.981.402.92
铋精矿9.620.7328.1418.195.3595.646.01
硫精矿87.360.0250.09630.341.672.9691.07
给矿100.001.312.8329.10100.00100.00100.00
), ArticleFig(id=1241422266177745496, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241416390809285176, language=CN, label=表1, caption=

钼-铋-硫浮选分离闭路试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%品位/%回收率/%
MoBiSMoBiS
钼精矿3.0240.361.3128.1092.981.402.92
铋精矿9.620.7328.1418.195.3595.646.01
硫精矿87.360.0250.09630.341.672.9691.07
给矿100.001.312.8329.10100.00100.00100.00
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钼铋硫混合精矿无氰分离新技术研究
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李振兴 1 , 唐雪峰 2 , 马巍 1 , 程征 2 , 吴江岳恩 1 , 赵洪冬 2 , 李文恒 1
矿冶工程杂志 | 选矿 2025,45(3): 84-87
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矿冶工程杂志 | 选矿 2025, 45(3): 84-87
钼铋硫混合精矿无氰分离新技术研究
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李振兴1 , 唐雪峰2, 马巍1, 程征2, 吴江岳恩1, 赵洪冬2, 李文恒1
作者信息
  • 1.湖南柿竹园有色金属有限责任公司,湖南 郴州 423000
  • 2.长沙矿冶研究院有限责任公司,湖南 长沙 410012

通讯作者:

李振兴(1982—),男,湖北利川人,高级工程师,长期从事钨多金属矿选矿技术及生产管理工作。E-mail:
New Cyanide-Free Separation Technology for Mo-Bi-S Bulk Concentrate
Zhenxing LI1 , Xuefeng TANG2, Wei MA1, Zheng CHENG2, Jiangyueen WU1, Hongdong ZHAO2, Wenheng LI1
Affiliations
  • 1.Hunan Shizhuyuan Nonferrous Metals Co., Ltd., Chenzhou 423000, Hunan, China
  • 2.Changsha Research Institute of Mining and Metallurgy Co., Ltd., Changsha 410012, Hunan, China
出版时间: 2025-06-01 doi: 10.3969/j.issn.0253-6099.2025.03.013
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以湖南柿竹园钼铋硫混合精矿为研究对象,开发了钼-铋-硫分离的绿色环保高效抑制剂CYZ-15与钼-铋-硫无氰分离新技术,流程试验获得了产率3.02%、Mo品位40.36%、Mo回收率92.98%的钼精矿和产率9.62%、Bi品位28.14%、Bi回收率95.64%的铋精矿,实现了钼铋硫混合精矿的无氰高效分离。

混合精矿  /  辉钼矿  /  辉铋矿  /  黄铁矿  /  磁黄铁矿  /  抑制剂  /  浮选  /  钼铋硫化矿  /  环保药剂

Aiming at the Mo-Bi-S bulk concentrate from Hunan Shizhuyuan Nonferrous Metals Limited Company, a green, environmentally-friendly and efficient depressant (CYZ-15) and a new cyanide-free processing technique for Mo-Bi-S separation were developed. An experiment with the developed flowsheet produced a molybdenum concentrate grading 40.36% Mo at 92.98% recovery with a yield of 3.02%, and a bismuth concentrate grading 28.14% Bi at 95.64% recovery with a yield of 9.62%. It is shown that cyanide-free and efficient separation of Mo-Bi-S bulk concentrate can be actualized.

bulk concentrate  /  molybdenite  /  bismuthinite  /  pyrite  /  pyrrhotite  /  depressant  /  flotation  /  Mo-Bi-S ore  /  environmentally-friendly reagent
李振兴, 唐雪峰, 马巍, 程征, 吴江岳恩, 赵洪冬, 李文恒. 钼铋硫混合精矿无氰分离新技术研究. 矿冶工程杂志, 2025 , 45 (3) : 84 -87 . DOI: 10.3969/j.issn.0253-6099.2025.03.013
Zhenxing LI, Xuefeng TANG, Wei MA, Zheng CHENG, Jiangyueen WU, Hongdong ZHAO, Wenheng LI. New Cyanide-Free Separation Technology for Mo-Bi-S Bulk Concentrate[J]. Mining and Metallurgical Engineering, 2025 , 45 (3) : 84 -87 . DOI: 10.3969/j.issn.0253-6099.2025.03.013
湖南柿竹园钨钼铋多金属矿区钼铋矿产资源丰富,保有资源储量钼10万t、铋26万t,其中铋资源储量为世界第一,钼、铋矿物主要为辉钼矿与辉铋矿,其他金属硫化物以黄铁矿和磁黄铁矿为主。柿竹园多金属选矿厂硫化矿物生产选别流程为:硫化矿全浮-全浮精矿钼铋脱硫-钼铋浮选分离[1-4]。氰化物对黄铁矿与磁黄铁矿具有良好的选择性抑制能力,柿竹园公司曾使用氰化物作为钼铋硫分离的关键抑制剂。氰化物属剧毒化合物,该药剂的储存及使用存在安全隐患,含氰化物的选矿废水进入尾矿库也会对环境造成影响。针对上述问题,本文以柿竹园多金属选矿厂钼铋硫混合精矿为研究对象,采用新型环保螯合抑制剂CYZ-15进行钼铋硫无氰分离新技术研究,取得了良好的试验结果,可为同类型资源的清洁高效开发利用提供借鉴与支撑。
试验矿样为柿竹园多金属选矿厂钼铋硫混合精矿,Mo、Bi、S品位分别为1.31%、2.83%、29.10%。镜下鉴定、扫描电镜分析和MLA分析综合研究结果查明,钼铋硫混合精矿的组成矿物种类较为复杂。钼矿物主要为辉钼矿,微量钼钙矿;铋矿物主要为辉铋矿,少量自然铋和铋华;其他金属矿物主要是黄铁矿,其次为磁黄铁矿,少量黄铜矿、闪锌矿、毒砂和方铅矿;非金属矿物主要为石榴石、萤石、石英、长石和云母,次为方解石、绿泥石、角闪石、透辉石、黄玉和硬玉等。
目前工业上应用的钼铋硫混合精矿的浮选分离工艺主要有“钼-铋硫分离、铋-硫分离”与“钼铋-硫分离、钼-铋分离”两种。柿竹园多金属选矿厂较长一段时间采用“钼铋等可浮、铋硫混合浮选、钼-铋硫分离、铋-硫分离”的硫化矿浮选工艺,取得了良好的工业应用指标。自2020年7月以来,选矿厂处理的多金属矿石中钼铋品位大幅度降低、磁黄铁矿含量大幅增加,大部分黄铁矿易浮,硫化矿浮选段采用钼铋等可浮流程时,等可浮精矿硫回收率指标大幅度增加,等可浮精矿钼、铋品位大幅度下降,导致钼铋生产技术指标大幅度下滑。为进一步稳定与提高硫化矿回收率指标,硫化矿浮选工艺逐步变革为钼铋硫全浮-钼铋脱硫-钼铋分离工艺[5]。本次试验亦采用该流程,钼铋硫浮选分离试验流程见图1
在有色金属领域,活性炭是一种重要的脱药剂,在浮选过程中适当添加活性炭,以脱除大部分药剂残余,可提高浮选分选效率与选择性。在石灰用量8 000 g/t、水玻璃用量14 000 g/t、CYZ-15用量8 000 g/t条件下,针对钼铋硫混合精矿进行了钼铋-硫分离浮选(一次粗选,下同)活性炭用量试验,结果见图2。CYZ-15为长沙矿冶研究院有限责任公司自主研发的新型环保抑制剂。图2结果显示,随着活性炭用量增加,浮选脱硫所得钼铋粗精矿中钼、铋品位呈明显上升趋势;活性炭用量4 000 g/t条件下,脱硫获得的钼铋粗精矿Mo品位5.75%、Bi品位10.60%,Mo回收率98.47%、Bi回收率94.24%;进一步提高活性炭用量,钼、铋回收率下降,钼、铋损失率增加。综合考虑,选择钼铋-硫分离粗选活性炭用量4 000 g/t为宜。
石灰是黄铁矿、磁黄铁矿的有效抑制剂。在活性炭用量4 000 g/t、水玻璃用量14 000 g/t、CYZ-15用量8 000 g/t条件下,针对钼铋硫混合精矿进行了钼铋-硫分离石灰用量试验,结果见图3图3结果显示,石灰用量由4 000 g/t增至8 000 g/t时,钼铋粗精矿Mo、Bi品位分别由3.07%、5.98%上升至5.97%、10.88%,粗精矿钼、铋回收率指标变化不大;再进一步提高石灰用量,钼铋粗精矿金属回收率下降幅度较大。综合考虑,钼铋-硫分离石灰用量8 000 g/t为宜。
水玻璃是一种良好的分散剂,也是石英与硅酸盐等脉石矿物的高效抑制剂。在活性炭用量4 000 g/t、石灰用量8 000 g/t、CYZ-15用量8 000 g/t条件下,针对钼铋硫混合精矿进行了钼铋-硫分离水玻璃用量试验,结果见图4图4结果显示,随着水玻璃用量增加,钼铋粗精矿Mo、Bi品位呈逐步下降趋势,但Mo、Bi回收率呈上升趋势。综合考虑,钼铋-硫分离粗选水玻璃用量10 000~14 000 g/t为宜。
CYZ-15是一种双硫氮类有机环保抑制剂,该药剂基于多元螯合抑制机理,突破了硫铁矿定向界面亲水调控瓶颈,对黄铁矿、磁黄铁矿具有高效的选择性抑制作用。在活性炭用量4 000 g/t、石灰用量8 000 g/t、水玻璃用量14 000 g/t条件下,针对钼铋硫混合精矿进行了钼铋-硫分离粗选CYZ-15药剂用量试验,结果见图5图5结果显示,随着CYZ-15用量增加,钼铋粗精矿中Mo、Bi品位与钼、铋回收率逐渐增加,CYZ-15用量8 000 g/t条件下获得的钼铋粗精矿中Mo品位6.34%、Bi品位11.90%,Mo回收率98.45%、Bi回收率95.21%,钼铋-硫无氰分离粗选效果良好。CYZ-15用量8 000 g/t以上为宜。
针对钼铋硫混合精矿,进行了钼铋脱硫浮选试验,试验流程为一次粗选两次精选,其中脱硫粗选活性炭用量4 000 g/t、石灰用量8 000 g/t、水玻璃用量14 000 g/t、CYZ-15用量8 000 g/t,脱硫精选1水玻璃用量2 000 g/t、精选2水玻璃用量1 000 g/t,钼铋-硫浮选分离所得钼铋混合精矿作为钼-铋分离的浮选给矿。硫化钠在有色金属硫化矿浮选中常作为抑制剂广泛使用,硫化钠用量较大时,可以抑制绝大多数硫化矿,而辉钼矿具有天然可浮性,硫化钠对辉钼矿几乎无抑制作用。针对钼铋混合精矿,在煤油用量200 g/t条件下进行了硫化钠用量试验,试验流程为一次粗选,结果见图6图6结果显示,随着硫化钠用量增加,钼精矿Mo品位呈逐步上升趋势,Mo回收率呈逐步降低趋势,铋精矿回收率呈逐步增加趋势。硫化钠用量10 000 g/t条件下可获得钼精矿Mo品位24.70%、钼作业回收率95.74%,铋精矿Bi品位31.28%、Bi作业回收率75.20%。综合考虑,硫化钠用量10 000 g/t为宜。
考虑到浮选粗选药剂制度对浮选分离分选效果的影响至关重要,在条件试验与开路流程试验基础上,对钼铋硫混合精矿进行了钼-铋-硫浮选分离闭路流程试验,试验结果见表1,流程见图7。钼-铋-硫浮选分离闭路试验获得了良好的分离试验指标,其中钼精矿产率3.02%、Mo品位40.36%、Mo回收率92.98%,铋精矿产率9.62%、Bi品位28.14%、Bi回收率95.64%,硫精矿产率87.36%、S品位30.34%、S回收率91.07%。
1)试验矿样为钼铋硫混合精矿,Mo、Bi、S品位分别为1.31%、2.83%、29.10%。钼矿物主要为辉钼矿,铋矿物主要为辉铋矿,其他金属矿物主要为黄铁矿,其次为磁黄铁矿,少量黄铜矿、闪锌矿、毒砂、方铅矿等,非金属矿物主要为石榴石、萤石、石英、长石和云母。
2)CYZ-15是一种有机环保抑制剂,该药剂基于多元螯合抑制机理,突破了硫铁矿定向界面亲水调控瓶颈,对黄铁矿、磁黄铁矿具有选择性高效抑制作用。
3)对钼铋硫混合精矿进行钼-铋-硫浮选无氰分离闭路试验,获得了钼精矿产率3.02%、Mo品位40.36%、Mo回收率92.98%,铋精矿产率9.62%、Bi品位28.14%、Bi回收率95.64%的分离指标,实现了钼铋硫混合精矿的无氰高效分离。
  • 国家重点研发计划(2022YFC2905104)
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2025年第45卷第3期
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doi: 10.3969/j.issn.0253-6099.2025.03.013
  • 接收时间:2025-01-15
  • 首发时间:2026-03-19
  • 出版时间:2025-06-01
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  • 收稿日期:2025-01-15
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国家重点研发计划(2022YFC2905104)
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    1.湖南柿竹园有色金属有限责任公司,湖南 郴州 423000
    2.长沙矿冶研究院有限责任公司,湖南 长沙 410012

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李振兴(1982—),男,湖北利川人,高级工程师,长期从事钨多金属矿选矿技术及生产管理工作。E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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