Article(id=1236330609094750690, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236330603000418795, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.04.017, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1678636800000, receivedDateStr=2023-03-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772693787119, onlineDateStr=2026-03-05, pubDate=1690819200000, pubDateStr=2023-08-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772693787119, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772693787119, creator=13701087609, updateTime=1772693787119, updator=13701087609, issue=Issue{id=1236330603000418795, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='4', pageStart='1', pageEnd='189', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772693785667, creator=13701087609, updateTime=1772696855253, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236343477835985022, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236330603000418795, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236343477835985023, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236330603000418795, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=78, endPage=81, ext={EN=ArticleExt(id=1236330609388351988, articleId=1236330609094750690, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Experimental Study on Bulk Flotation of Highly Oxidized Lead-Zinc Sulfide Ore, columnId=1236276106932842717, journalTitle=Mining and Metallurgical Engineering, columnName=MINERAL PROCESSING, runingTitle=null, highlight=null, articleAbstract=

Due to high oxidation rate of a lead-zinc sulfide ore, the on-site flotation practice presented poor beneficiation indices. In view of this problem, an optimized closed-circuit process consisting of two stages of roughing, two stages of scavenging, one stage of rough cleaning of combined roughing concentrates, two stages of cleaning and two stages of scavenging for roughing concentrates was proposed. With slime (800 g/t) and CD-2 (300 g/t) as pyrite depressants, CD-1 (600 g/t) and water glass (600 g/t) as gangue depressants, sodium sulfide (500 g/t) as a sulfiding agent, copper sulfate (500 g/t) as an activator, butyl xanthate (200 g/t) as a collector, and terpineol oil (21 g/t) as a foaming agent, a closed-circuit flotation test produced a bulk concentrate grading 16.25% Pb and 27.69% Zn with a lead recovery of 65.05% and a zinc recovery of 92.49%. Compared with the previous on-site flowsheet, the Pb grade and Pb recovery are improved by 2.24 percentage points and 9.36 percentage points, while Zn grade and Zn recovery up by 1.57 percentage points and 5.14 percentage points respectively.

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针对某硫化铅锌矿氧化率高、现场浮选指标低的问题，采用石灰+CD-2（800 g/t+300 g/t）为黄铁矿抑制剂、CD-1+水玻璃（600 g/t+600 g/t）为脉石抑制剂、硫化钠（500 g/t）为硫化剂、硫酸铜（500 g/t）为活化剂、丁基黄药（200 g/t）为捕收剂、松醇油（21 g/t）为起泡剂，经两段粗选、两段扫选、一段精粗选、两段精选、两段精扫选的优化闭路浮选，混合精矿中铅品位和回收率分别为16.25%和65.05%，锌品位和回收率分别为27.69%和92.49%。与原工艺流程生产指标相比，铅品位和回收率分别提高了2.24个百分点和9.36个百分点，锌品位和回收率分别提高了1.57个百分点和5.14个百分点。

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周艳飞（1982—），女，江西萍乡人，硕士，高级工程师，主要研究方向为有色金属矿选矿。

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周艳飞（1982—），女，江西萍乡人，硕士，高级工程师，主要研究方向为有色金属矿选矿。

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