Article(id=1322162082989068579, 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=1727366400000, receivedDateStr=2024-09-27, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793157605167, onlineDateStr=2026-10-28, pubDate=1758729600000, pubDateStr=2025-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793157605167, onlineIssueDateStr=2026-10-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793157605167, creator=13701087609, updateTime=1793157605167, 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=251, endPage=258, ext={EN=ArticleExt(id=1322162083324612901, articleId=1322162082989068579, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Experimental Study on Flotation of Ilmenite from Fine Grinding Deep Separation Tailings of Micro-Fine Iron Concentrate, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Taking the fine grinding deep separation tailings of micro-fine iron concentrate in a factory in Panxi area as the research object, the TiO2 grade is 19.51%, and the gangue minerals are mainly pyroxene, chlorite and amphibole. According to the characteristics of the ore, BY series inhibitors were developed and used with MOH collector. The optimal reagent dosage was determined by inhibitor screening test, inhibitor dosage test, collector dosage test and pH condition test, and the flotation closed-circuit test was carried out. The results show that considering the grade and recovery rate of titanium concentrate, it is determined that BY-3 is used as inhibitor, the optimal dosage is 1 500 g/t, the optimal dosage of MOH collector is 2 500 g/t, and the pH is controlled at about 3.5 during roughing. Through the closed-circuit process of "one coarse, one fine and desulfurization, combining one coarse, one sweep and four fine, as well as returning the intermediate ore in sequence for titanium selection", the ilmenite concentrate with a yield of 30.98%, a TiO2 grade of 46.94% and a TiO2 recovery of 74.54% and the tailings with a TiO2 grade of 5.27% can be obtained. The research results can provide a reference for the efficient recovery and utilization of the same type of ore.

, authors=Weisi LI1, 2, Weiping YAN1, 2, Yaohui YANG1, 2, Xiaobo ZENG1, 2, Jian DENG1, 2, Lun LI1, 2, Boyuan ZHANG1, 2, authorsList=Weisi LI, Weiping YAN, Yaohui YANG, Xiaobo ZENG, Jian DENG, Lun LI, Boyuan ZHANG, authorCompany=null, correspAuthors=Weiping YAN, 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=1322162090941468992, articleId=1322162082989068579, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=微细粒铁精矿细磨深选尾矿浮选钛铁矿试验研究, 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=

以攀西地区某厂微细粒铁精矿细磨深选尾矿为研究对象,其TiO2品位为19.51%,脉石矿物主要为辉石、绿泥石和闪石等。针对该矿石特点,研发了BY系列抑制剂,搭配捕收剂MOH使用,通过抑制剂筛选试验、抑制剂用量试验、捕收剂用量试验和pH条件试验,确定最优药剂用量,并进行浮选闭路试验。结果表明:综合考虑钛精矿品位及回收率指标,确定以BY-3作抑制剂,其最优用量为1 500 g/t,捕收剂MOH最优用量为2 500 g/t,粗选时pH控制在3.5左右;通过“一粗一精脱硫—一粗一扫四精,中矿顺序返回选钛”的闭路流程,可获得产率为30.98%、TiO2品位为46.94%、TiO2回收率为74.54%的钛精矿,以及TiO2品位5.27%的尾矿。研究结果可为同类型矿石高效回收利用提供参考。

, authors=李维斯1, 2, 严伟平1, 2, 杨耀辉1, 2, 曾小波1, 2, 邓建1, 2, 李伦1, 2, 张博远1, 2, authorsList=李维斯, 严伟平, 杨耀辉, 曾小波, 邓建, 李伦, 张博远, authorCompany=null, correspAuthors=严伟平, authorNote=

李维斯(1993—),男,四川成都人,硕士,助理工程师,主要从事战略性矿产综合回收利用研究工作。E-mail:

, correspAuthorsNote=
严伟平(1984—),男,江西万载人,硕士,副研究员,主要从事战略性矿产资源的高效开发与利用研究。E-mail:
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李维斯(1993—),男,四川成都人,硕士,助理工程师,主要从事战略性矿产综合回收利用研究工作。E-mail:

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李维斯(1993—),男,四川成都人,硕士,助理工程师,主要从事战略性矿产综合回收利用研究工作。E-mail:

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figureFileSmall=aNRWk82lT6yjrOEX78xUig==, figureFileBig=WKW6+iP7u+5iPeqEnZIKrg==, tableContent=null), ArticleFig(id=1322162839704424608, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=图7, caption=浮钛粗选捕收剂用量试验结果, figureFileSmall=aNRWk82lT6yjrOEX78xUig==, figureFileBig=WKW6+iP7u+5iPeqEnZIKrg==, tableContent=null), ArticleFig(id=1322162839981248673, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Fig.8, caption=Results of pH condition test, figureFileSmall=frUUeByjoCjLboqfXS9DWg==, figureFileBig=1xtR4hP5Q6xCYrQ2BPQjCA==, tableContent=null), ArticleFig(id=1322162840039968930, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=图8, caption=pH条件试验结果, figureFileSmall=frUUeByjoCjLboqfXS9DWg==, figureFileBig=1xtR4hP5Q6xCYrQ2BPQjCA==, tableContent=null), ArticleFig(id=1322162840094494883, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Fig.9, caption=Open circuit test process, figureFileSmall=1wwFga2lYb7TVn4T9CJciA==, figureFileBig=059+S9buuA+A4GvDdF5lYw==, tableContent=null), ArticleFig(id=1322162840153215140, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=图9, caption=开路试验流程, figureFileSmall=1wwFga2lYb7TVn4T9CJciA==, figureFileBig=059+S9buuA+A4GvDdF5lYw==, tableContent=null), ArticleFig(id=1322162840396484773, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Fig.10, caption=Closed circuit test process, figureFileSmall=qQWWPV7hiuzlLjlJl9JuHw==, figureFileBig=bAX6BqSqLszAlLzl0coinA==, tableContent=null), ArticleFig(id=1322162840463593638, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=图10, caption=闭路试验流程, figureFileSmall=qQWWPV7hiuzlLjlJl9JuHw==, figureFileBig=bAX6BqSqLszAlLzl0coinA==, tableContent=null), ArticleFig(id=1322162840522313895, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Table 1, caption=

Multi-element chemical analysis results of raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
TiO2TFeSMgOSiO2Al2O3CaO其他
19.5120.571.3510.0421.339.425.7212.06
), ArticleFig(id=1322162840585228456, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=表1, caption=

原矿的多元素化学分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
TiO2TFeSMgOSiO2Al2O3CaO其他
19.5120.571.3510.0421.339.425.7212.06
), ArticleFig(id=1322162840648143017, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Table 2, caption=

Screening analysis results

, figureFileSmall=null, figureFileBig=null, tableContent=
粒级/mm产率/%负累积产率/%TiO2品位/%TiO2分布率/%TiO2负累积分布率/%
+0.0754.98100.005.411.38100.00
-0.075~+0.03820.8995.0217.6318.8898.62
-0.038~+0.01928.6774.1322.7833.4879.74
-0.01945.4645.4619.8546.2646.26
原矿100.00-19.51100.00-
), ArticleFig(id=1322162840870441130, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=表2, caption=

筛分分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
粒级/mm产率/%负累积产率/%TiO2品位/%TiO2分布率/%TiO2负累积分布率/%
+0.0754.98100.005.411.38100.00
-0.075~+0.03820.8995.0217.6318.8898.62
-0.038~+0.01928.6774.1322.7833.4879.74
-0.01945.4645.4619.8546.2646.26
原矿100.00-19.51100.00-
), ArticleFig(id=1322162840933355691, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Table 3, caption=

Content of main minerals in raw ore

, figureFileSmall=null, figureFileBig=null, tableContent=
钛铁矿钛磁铁矿磁黄铁矿辉石绿泥石闪石其他
35.800.713.1316.2213.4012.3318.41
), ArticleFig(id=1322162841017241772, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=表3, caption=

原矿中主要矿物的含量

, figureFileSmall=null, figureFileBig=null, tableContent=
钛铁矿钛磁铁矿磁黄铁矿辉石绿泥石闪石其他
35.800.713.1316.2213.4012.3318.41
), ArticleFig(id=1322162842694963373, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Table 4, caption=

Test results of desulfurization collector screening

, figureFileSmall=null, figureFileBig=null, tableContent=
脱硫捕收剂种类产品名称产率/%S品位/%S回收率/%
丁基黄药硫精矿5.797.8334.91
硫尾矿210.812.1918.22
硫尾矿183.400.7346.87
原矿100.001.30100.00
戊基黄药硫精矿6.576.6733.00
硫尾矿29.502.0314.52
硫尾矿183.930.8352.48
原矿100.001.33100.00
丁铵黑药硫精矿5.653.2214.19
硫尾矿28.841.7111.79
硫尾矿185.511.1174.02
原矿100.001.28100.00
), ArticleFig(id=1322162842762072239, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=表4, caption=

脱硫捕收剂筛选试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
脱硫捕收剂种类产品名称产率/%S品位/%S回收率/%
丁基黄药硫精矿5.797.8334.91
硫尾矿210.812.1918.22
硫尾矿183.400.7346.87
原矿100.001.30100.00
戊基黄药硫精矿6.576.6733.00
硫尾矿29.502.0314.52
硫尾矿183.930.8352.48
原矿100.001.33100.00
丁铵黑药硫精矿5.653.2214.19
硫尾矿28.841.7111.79
硫尾矿185.511.1174.02
原矿100.001.28100.00
), ArticleFig(id=1322162842824986800, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Table 5, caption=

Test results of desulfurization activator screening

, figureFileSmall=null, figureFileBig=null, tableContent=
活化剂种类产品名称产率/%S品位/%S回收率/%
WP318硫精矿7.718.1348.61
硫尾矿215.171.6719.67
硫尾矿177.120.5331.72
原矿100.001.29100.00
EM506硫精矿11.785.6349.03
硫尾矿218.191.4819.90
硫尾矿170.030.6031.07
原矿100.001.35100.00
Na2S硫精矿8.216.8641.10
硫尾矿218.901.8024.84
硫尾矿172.890.6434.06
原矿100.001.37100.00
FT-1硫精矿6.608.1140.29
硫尾矿216.721.8122.78
硫尾矿176.680.6436.93
原矿100.001.33100.00
), ArticleFig(id=1322162842913067185, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=表5, caption=

脱硫活化剂筛选试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
活化剂种类产品名称产率/%S品位/%S回收率/%
WP318硫精矿7.718.1348.61
硫尾矿215.171.6719.67
硫尾矿177.120.5331.72
原矿100.001.29100.00
EM506硫精矿11.785.6349.03
硫尾矿218.191.4819.90
硫尾矿170.030.6031.07
原矿100.001.35100.00
Na2S硫精矿8.216.8641.10
硫尾矿218.901.8024.84
硫尾矿172.890.6434.06
原矿100.001.37100.00
FT-1硫精矿6.608.1140.29
硫尾矿216.721.8122.78
硫尾矿176.680.6436.93
原矿100.001.33100.00
), ArticleFig(id=1322162842996953266, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Table 6, caption=

Whole process test results of desulfurization flotation

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%S品位/%S回收率/%
硫精矿9.678.0657.73
硫尾矿90.330.6342.27
原矿100.001.35100.00
), ArticleFig(id=1322162843055673523, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=表6, caption=

脱硫浮选全流程试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%S品位/%S回收率/%
硫精矿9.678.0657.73
硫尾矿90.330.6342.27
原矿100.001.35100.00
), ArticleFig(id=1322162843382829236, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Table 7, caption=

Test results of inhibitor screening for rough separation of floating titanium

, figureFileSmall=null, figureFileBig=null, tableContent=
抑制剂种类及用量/(g/t)产品名称产率/%TiO2品位/%TiO2回收率/%
无抑制剂钛粗精矿57.4123.9769.74
尾矿42.5914.0230.26
硫尾矿100.0019.73100.00
草酸(200)钛粗精矿64.0628.7293.17
尾矿35.943.756.83
硫尾矿100.0019.74100.00
氟硅酸钠(1 000)钛粗精矿65.5328.2994.07
尾矿34.473.395.93
硫尾矿100.0019.71100.00
水玻璃(1 000)钛粗精矿62.7029.1492.56
尾矿37.303.947.44
硫尾矿100.0019.74100.00
BY-1(1 000)钛粗精矿67.0727.9494.87
尾矿32.933.085.13
硫尾矿100.0019.75100.00
BY-2(1 000)钛粗精矿63.7829.0193.69
尾矿36.223.446.31
硫尾矿100.0019.75100.00
BY-3(1 000)钛粗精矿67.3627.8995.19
尾矿32.642.914.81
硫尾矿100.0019.74100.00
), ArticleFig(id=1322162843454132405, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=表7, caption=

浮钛粗选抑制剂筛选试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
抑制剂种类及用量/(g/t)产品名称产率/%TiO2品位/%TiO2回收率/%
无抑制剂钛粗精矿57.4123.9769.74
尾矿42.5914.0230.26
硫尾矿100.0019.73100.00
草酸(200)钛粗精矿64.0628.7293.17
尾矿35.943.756.83
硫尾矿100.0019.74100.00
氟硅酸钠(1 000)钛粗精矿65.5328.2994.07
尾矿34.473.395.93
硫尾矿100.0019.71100.00
水玻璃(1 000)钛粗精矿62.7029.1492.56
尾矿37.303.947.44
硫尾矿100.0019.74100.00
BY-1(1 000)钛粗精矿67.0727.9494.87
尾矿32.933.085.13
硫尾矿100.0019.75100.00
BY-2(1 000)钛粗精矿63.7829.0193.69
尾矿36.223.446.31
硫尾矿100.0019.75100.00
BY-3(1 000)钛粗精矿67.3627.8995.19
尾矿32.642.914.81
硫尾矿100.0019.74100.00
), ArticleFig(id=1322162843756122294, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Table 8, caption=

Open circuit test results

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%TiO2品位/%TiO2回收率/%
钛精矿20.8347.1950.22
中矿40.8817.6836.92
扫选精矿4.6320.834.92
浮选尾矿33.664.617.93
硫尾矿100.0019.57100.00
), ArticleFig(id=1322162843831619767, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=表8, caption=

开路试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%TiO2品位/%TiO2回收率/%
钛精矿20.8347.1950.22
中矿40.8817.6836.92
扫选精矿4.6320.834.92
浮选尾矿33.664.617.93
硫尾矿100.0019.57100.00
), ArticleFig(id=1322162843902922936, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Table 9, caption=

Closed circuit test results

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%TiO2品位/%TiO2回收率/%
钛精矿30.9846.9474.54
尾矿59.305.2716.01
硫精矿9.7218.979.45
原矿100.0019.51100.00
), ArticleFig(id=1322162844179747001, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=表9, caption=

闭路试验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
产品名称产率/%TiO2品位/%TiO2回收率/%
钛精矿30.9846.9474.54
尾矿59.305.2716.01
硫精矿9.7218.979.45
原矿100.0019.51100.00
), ArticleFig(id=1322162844242661563, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Table 10, caption=

Results of multi-element chemical analysis of titanium concentrate

, figureFileSmall=null, figureFileBig=null, tableContent=
TFeTiO2MnOSCaOMgOAl2O3SiO2其他
32.1146.940.680.530.374.491.101.2712.52
), ArticleFig(id=1322162844318159036, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=表10, caption=

钛精矿多元素化学分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
TFeTiO2MnOSCaOMgOAl2O3SiO2其他
32.1146.940.680.530.374.491.101.2712.52
), ArticleFig(id=1322162844376879293, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=EN, label=Table 11, caption=

Particle size analysis results of titanium concentrate

, figureFileSmall=null, figureFileBig=null, tableContent=
粒级/mm产率/%负累积产率/%TiO2品位/%TiO2分布率/%TiO2负累积分布率/%
+0.03810.87100.0046.2710.70100.00
-0.038~+0.01931.6789.1347.4331.9589.30
-0.01957.4657.4646.9357.3557.35
原矿100.00—47.02100.00—
), ArticleFig(id=1322162844632731838, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322162082989068579, language=CN, label=表11, caption=

钛精矿粒度分析结果

, figureFileSmall=null, figureFileBig=null, tableContent=
粒级/mm产率/%负累积产率/%TiO2品位/%TiO2分布率/%TiO2负累积分布率/%
+0.03810.87100.0046.2710.70100.00
-0.038~+0.01931.6789.1347.4331.9589.30
-0.01957.4657.4646.9357.3557.35
原矿100.00—47.02100.00—
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微细粒铁精矿细磨深选尾矿浮选钛铁矿试验研究
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李维斯 1, 2 , 严伟平 1, 2 , 杨耀辉 1, 2 , 曾小波 1, 2 , 邓建 1, 2 , 李伦 1, 2 , 张博远 1, 2
矿业研究与开发 | 选矿与资源综合利用 2025,45(9): 251-258
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矿业研究与开发 |选矿与资源综合利用 2025 , 45 (9) : 251 -258
微细粒铁精矿细磨深选尾矿浮选钛铁矿试验研究
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李维斯(1993—),男,四川成都人,硕士,助理工程师,主要从事战略性矿产综合回收利用研究工作。E-mail:

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李维斯1, 2 , 严伟平1, 2 , 杨耀辉1, 2, 曾小波1, 2, 邓建1, 2, 李伦1, 2, 张博远1, 2
作者信息
  • 1.中国地质科学院矿产综合利用研究所,四川 成都 610041
  • 2.自然资源部战略性矿产综合利用工程技术创新中心,四川 成都 610041
通讯作者:
严伟平(1984—),男,江西万载人,硕士,副研究员,主要从事战略性矿产资源的高效开发与利用研究。E-mail:
作者简介:

李维斯(1993—),男,四川成都人,硕士,助理工程师,主要从事战略性矿产综合回收利用研究工作。E-mail:

Experimental Study on Flotation of Ilmenite from Fine Grinding Deep Separation Tailings of Micro-Fine Iron Concentrate
Weisi LI1, 2 , Weiping YAN1, 2 , Yaohui YANG1, 2, Xiaobo ZENG1, 2, Jian DENG1, 2, Lun LI1, 2, Boyuan ZHANG1, 2
Affiliations
  • 1.Institute of Mineral Estatement of the Chinese Academy of Geological Science, Chengdu, Sichuan 610041, China
  • 2.Technology Innovation Center for Comprehensive Utilization of Strategic Mineral Resources, Ministry of Natural Resources, Chengdu, Sichuan 610041, China
出版时间: 2025-09-25
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以攀西地区某厂微细粒铁精矿细磨深选尾矿为研究对象,其TiO2品位为19.51%,脉石矿物主要为辉石、绿泥石和闪石等。针对该矿石特点,研发了BY系列抑制剂,搭配捕收剂MOH使用,通过抑制剂筛选试验、抑制剂用量试验、捕收剂用量试验和pH条件试验,确定最优药剂用量,并进行浮选闭路试验。结果表明:综合考虑钛精矿品位及回收率指标,确定以BY-3作抑制剂,其最优用量为1 500 g/t,捕收剂MOH最优用量为2 500 g/t,粗选时pH控制在3.5左右;通过“一粗一精脱硫—一粗一扫四精,中矿顺序返回选钛”的闭路流程,可获得产率为30.98%、TiO2品位为46.94%、TiO2回收率为74.54%的钛精矿,以及TiO2品位5.27%的尾矿。研究结果可为同类型矿石高效回收利用提供参考。

微细粒钛铁矿  /  尾矿  /  浮选  /  抑制剂  /  捕收剂  /  闭路试验

Taking the fine grinding deep separation tailings of micro-fine iron concentrate in a factory in Panxi area as the research object, the TiO2 grade is 19.51%, and the gangue minerals are mainly pyroxene, chlorite and amphibole. According to the characteristics of the ore, BY series inhibitors were developed and used with MOH collector. The optimal reagent dosage was determined by inhibitor screening test, inhibitor dosage test, collector dosage test and pH condition test, and the flotation closed-circuit test was carried out. The results show that considering the grade and recovery rate of titanium concentrate, it is determined that BY-3 is used as inhibitor, the optimal dosage is 1 500 g/t, the optimal dosage of MOH collector is 2 500 g/t, and the pH is controlled at about 3.5 during roughing. Through the closed-circuit process of "one coarse, one fine and desulfurization, combining one coarse, one sweep and four fine, as well as returning the intermediate ore in sequence for titanium selection", the ilmenite concentrate with a yield of 30.98%, a TiO2 grade of 46.94% and a TiO2 recovery of 74.54% and the tailings with a TiO2 grade of 5.27% can be obtained. The research results can provide a reference for the efficient recovery and utilization of the same type of ore.

Micro-fine ilmenite  /  Tailing  /  Flotation  /  Inhibitor  /  Collector  /  Closed-circuit test
李维斯, 严伟平, 杨耀辉, 曾小波, 邓建, 李伦, 张博远. 微细粒铁精矿细磨深选尾矿浮选钛铁矿试验研究. 矿业研究与开发, 2025 , 45 (9) : 251 -258 .
Weisi LI, Weiping YAN, Yaohui YANG, Xiaobo ZENG, Jian DENG, Lun LI, Boyuan ZHANG. Experimental Study on Flotation of Ilmenite from Fine Grinding Deep Separation Tailings of Micro-Fine Iron Concentrate[J]. Mining Research and Development, 2025 , 45 (9) : 251 -258 .
我国是全球钛资源储量最大的国家,其中,攀枝花-西昌地区(以下简称攀西地区)蕴藏着我国90%以上的钛矿资源储量[1],且以多金属共存的钒钛磁铁矿为主体[2-3]。攀西地区钒钛磁铁矿中可回收的钛资源主要以钛铁矿(FeTiO3)的形式存在[4]。钒钛磁铁矿需先经“阶段磨矿—阶段弱磁选”的工艺流程处理,得到铁精矿和选铁尾矿[5],选铁尾矿再经“强磁预富集+浮选”工艺处理,最终得到钛精矿[6-7]。然而,随着采矿深度的增加,矿石中有用矿物嵌布粒度逐渐细化,且市场对铁精矿品位的要求日益提升,为了保证铁精矿的品质,通常需要对入选物料进行细磨深选处理,由此产生了大量的微细粒钛铁矿[8-11]。
矿物颗粒粒径越小,相对表面积越大,不仅会增加药剂消耗量[12],还会减弱药剂对微细粒矿物颗粒的选择性吸附,致使脉石矿物易夹杂精矿上浮,进而影响精矿品位。同时,微细粒矿物的表面能和溶解度随之增大,一方面导致其可浮性降低,另一方面使浮选矿浆中溶解组分增多,进一步增加了浮选难度。微细粒矿物分选性能差、选矿效率低,是当前我国选矿行业亟待解决的难题[13-15]。
本研究所用微细粒钛铁矿为攀西地区某厂铁精矿提质尾矿经强磁预富集后的强磁精矿,其TiO2品位为19.51%,脉石矿物主要为辉石、绿泥石和闪石等。针对该矿石的性质特点,研发了BY系列抑制剂,搭配捕收剂MOH使用。通过抑制剂筛选试验、抑制剂用量试验、捕收剂用量试验和 pH 条件试验等,确定该物料的较优药剂制度,进行了钛铁矿开路试验及浮选闭路试验,并对闭路试验获得的钛精矿进行产品检查。研究结果对同类型微细粒钛铁矿的浮选回收具有借鉴意义。
试验所用原矿样品为攀西地区某厂铁精矿提质尾矿经强磁预富集后的强磁精矿,为某萤石-方解石共生矿,原矿多元素化学分析结果见表1。
由表1可知,样品中TiO2品位为19.51%,TFe品位为20.57%;MgO、SiO2、Al2O3、CaO品位分别为10.04%、21.33%、9.42%、5.72%;S的品位较高,达到了1.35%。
为了解该样品的粒度分布情况,对矿样进行了筛分分析,结果见表2。
由表2可知,样品-0.038 mm含量占比为74.13%,-0.019 mm含量占比为45.46%,整体粒度微细。在-0.038~+0.019 mm粒级范围内,TiO2品位最高,为22.78%。TiO2在-0.038 mm分布率可达79.74%,在-0.019 mm分布率可达46.26%。
对原矿进行了工艺矿物学研究,得到原矿中主要矿物的含量,见表3。
通过扫描电镜试样,得到原矿中主要矿物的解离度分布情况,如图1所示。由图1可知,原矿样品中的钛铁矿多呈粒状,粒度较细,单体解离度较好,同时也常见钛铁矿呈微细粒包体或微细网脉赋存于辉石等脉石中,形成嵌晶(或包含)结构,这种钛铁矿粒度微细,一般在10 μm以下,难与脉石解离,且含量不高,属于选矿的合理损失;样品中的钛铁矿常发生绿泥石化交代作用,绿泥石沿钛铁矿晶体边界或晶内裂隙进行交代,与钛铁矿紧密连生,且粒度微细,解离难度较大,若混入精矿会增加钛精矿中硅等杂质元素的含量。
原矿中含有部分硫化矿,且S品位为1.35%,在浮钛前需对这一部分硫化矿进行脱除,脱硫试验流程如图2所示。依据图2开展脱硫捕收剂筛选试验、脱硫捕收剂用量试验和脱硫活化剂筛选试验。
固定H2SO4用量为800 g/t,捕收剂用量为200 g/t,2#油用量为21 g/t,改变捕收剂种类,进行脱硫捕收剂筛选试验,结果见表4。
由表4可知,丁基黄药作脱硫捕收剂时,硫精矿中S品位达7.83%,S回收率达34.91%,均高于戊基黄药(S品位和S回收率分别为6.67%、33.00%)和丁铵黄药(S品位和S回收率分别为3.22%、14.19%),因此,确定脱硫捕收剂为丁基黄药。
固定H2SO4用量为800 g/t,2#油用量为21 g/t,改变丁基黄药用量,进行脱硫捕收剂筛选试验,结果如图3所示。
由图3可知,随着丁基黄药用量的增加,硫精矿S品位先增加后减少,S回收率逐渐增加。综合考虑硫精矿品位及回收率指标,确定丁基黄药用量为200 g/t。
固定H2SO4用量为800 g/t,丁基黄药用量为200 g/t,2#油用量为21 g/t,改变活化剂种类,进行脱硫活化剂筛选试验,结果见表5。
由表5可知,WP318作为脱硫活化剂时,硫精矿中S品位为8.13%,S回收率为48.61%,指标高于EM506、Na2S、FT-1活化剂,因此,确定脱硫活化剂为WP318。
根据脱硫条件试验结果,确定脱硫浮选流程为一次粗选+一次精选,中矿顺序返回闭路脱硫,药剂选用WP318作为活化剂,H2SO4作为调整剂,丁基黄药作为捕收剂,2#油作为起泡剂,硫尾矿作为选钛入浮。脱硫浮选流程如图4所示。脱硫浮选全流程试验结果见表6,后续条件试验直接以硫尾矿进行浮钛作业。
试验以MOH为浮钛捕收剂,并根据原矿性质研发了BY系列抑制剂。为确定适宜的浮钛粗选条件,开展了抑制剂筛选试验、抑制剂用量试验、捕收剂用量试验和H2SO4用量试验。浮钛粗选条件试验流程如图5所示。
固定H2SO4用量为3 400 g/t,捕收剂用量为2 000 g/t,柴油用量为200 g/t,改变抑制剂种类及用量,进行浮钛粗选抑制剂筛选试验,结果见表7。
由表7可知,与无抑制剂相比,各类抑制剂均能显著提升钛粗精矿的TiO2品位及回收率。其中,BY-3(1 000 g/t)表现最优,钛粗精矿TiO2回收率达95.19%,为所有抑制剂中最高,尾矿TiO2品位仅2.91%,说明其抑制脉石效果最强,钛粗精矿TiO2品位(27.89%)略低于水玻璃和BY-2,但综合回收率及尾矿指标,确定BY-3为最优抑制剂。
固定H2SO4用量为3 400 g/t,捕收剂用量为2 000 g/t,柴油用量为200 g/t,改变抑制剂用量,进行抑制剂用量试验,结果如图6所示。
由图6可知,随着BY-3用量的增加,钛粗精矿TiO2品位呈降低—增加—降低的变化趋势,回收率则先增加后降低。综合考虑,确定BY-3用量为1 500 g/t。
固定H2SO4用量为3 400 g/t, BY-3用量为1 500 g/t,柴油用量为200 g/t,改变MOH用量,进行捕收剂用量试验,结果如图7所示。
由图7可知,随着捕收剂MOH用量的增加,钛粗精矿TiO2品位先增加后降低,回收率则逐渐增加。综合考虑钛精矿品位及回收率指标,确定捕收剂MOH用量为2 500 g/t时较为合适。
固定BY-3用量为1 500 g/t, MOH用量为2 500 g/t,柴油用量为200 g/t,改变H2SO4用量,进行 pH 条件试验,结果如图8所示。
由图8可知,随着pH增大,钛粗精矿TiO2品位先增加后降低,回收率则先降低再升高。综合考虑钛精矿品位及回收率指标,确定粗选的pH控制在3.5左右。
通过钛铁矿条件试验研究,确定了该钛铁矿的开路试验流程和药剂制度。开路试验流程如图9所示,试验结果见表8。
由表8可知,开路试验获得了TiO2品位47.19%,TiO2回收率50.22%的钛精矿。
在条件试验和开路试验的基础上,进行了浮选闭路试验,闭路试验流程如图10所示,闭路试验结果见表9。
由表9可知,通过闭路试验可获得产率为30.98%、TiO2品位为46.94%、回收率为74.54%的钛精矿,TiO2品位为5.27%的尾矿。
钛精矿多元素化学分析结果见表10。
由表10可知,钛精矿中TiO2品位为46.94%,TFe品位为32.11%,主要的杂质元素为MgO,含量为4.49%,精矿中含S较多,S含量为0.53%,SiO2、Al2O3和CaO品位分别为1.27%、1.10%和0.37%。
钛精矿粒度分析结果见表11。
由表11可知,钛精矿粒度较细,主要集中在-0.019 mm粒级,TiO2分布率为57.35%。
对钛精矿进行工艺矿物学产品检查,得出钛精矿中的主要矿物为钛铁矿,含量高达92.7%,另外含有0.9%的钛磁铁矿和1.3%的硫化物,脉石含量仅为5.1%。钛精矿中的钛铁矿粒度分布较均匀,主要介于20~70 μm之间,单体解离度较好,在90%以上,未解离的钛铁矿主要与长石、辉石、橄榄石等脉石连生。混入钛精矿中的脉石矿物含量较低,粒度在10~50 μm之间,单体解离度在60%以上;混入钛精矿中的硫化物的粒度在20~70 μm之间,单体解离度在80%以上。整体来看,钛精矿混入的脉石矿物含量低,但精矿中含有部分硫化物,且硫化物解离度较高。
(1)原矿样品中绿泥石含量较高,为13.40%。基于该性质,研发了BY系列抑制剂,试验研究表明,BY系列抑制剂实现了对辉石、绿泥石等脉石矿物的选择性抑制,搭配捕收剂MOH使用,可获得TiO2品位大于46%的钛精矿。
(2)对于TiO2品位为19.51%的原矿,采用MOH作为捕收剂,BY-3作为抑制剂,通过“一粗一精脱硫—一粗一扫四精,中矿顺序返回选钛”的闭路流程,可获得产率为30.98%、TiO2品位为46.94%、回收率为74.54%的钛精矿和TiO2品位为5.27%的尾矿。
(3)基于多元素化学分析结果可知,钛精矿中TiO2品位为46.94%,S品位为0.53%。根据《钛精矿(岩矿)》(YB 4031—2015)标准可知,钛精矿中S品位需小于0.35%才可达到TJK46品质。且硫化物粒度微细,难以通过磁选和浮选等手段剔除。考虑到原矿在生产现场的产量很低,可将该钛精矿与主流程钛精矿混合后销售。
  • 新疆维吾尔自治区重大科技专项项目(2023A03003-4)
  • 国家自然科学基金战略性矿产资源开发利用专项项目(2021YFC2900800)
  • 攀西试验区第五批重大科技攻关项目(ZHS-QR-22-102)
  • 四川省经信厅揭榜挂帅项目(LB-SK-HT23-0334)
  • 中国地质调查项目(DD20242129)
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  • 接收时间:2024-09-27
  • 首发时间:2026-10-28
  • 出版时间:2025-09-25
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  • 收稿日期:2024-09-27
基金
新疆维吾尔自治区重大科技专项项目(2023A03003-4)
国家自然科学基金战略性矿产资源开发利用专项项目(2021YFC2900800)
攀西试验区第五批重大科技攻关项目(ZHS-QR-22-102)
四川省经信厅揭榜挂帅项目(LB-SK-HT23-0334)
中国地质调查项目(DD20242129)
作者信息
    1.中国地质科学院矿产综合利用研究所,四川 成都 610041
    2.自然资源部战略性矿产综合利用工程技术创新中心,四川 成都 610041

通讯作者:

严伟平(1984—),男,江西万载人,硕士,副研究员,主要从事战略性矿产资源的高效开发与利用研究。E-mail:
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
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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