Article(id=1305177722456658330, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305177706027578094, articleNumber=null, orderNo=null, doi=10.13355/j.cnki.sfyj.2026.04.004, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1773244800000, receivedDateStr=2026-03-12, revisedDate=1777219200000, revisedDateStr=2026-04-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1789108218063, onlineDateStr=2026-09-11, pubDate=1787155200000, pubDateStr=2026-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789108218063, onlineIssueDateStr=2026-09-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789108218063, creator=13701087609, updateTime=1789108218063, updator=13701087609, issue=Issue{id=1305177706027578094, tenantId=1146029695717560320, journalId=1146120122248306696, year='2026', volume='45', issue='4', pageStart='455', pageEnd='612', issueExtLink='null', onlineDate='null', pubDate='1787155200000', pubDateStr='2026-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1789108214146, creator='13701087609', updateTime=1789108456673, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1305178723335037263, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305177706027578094, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1305178723335037264, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305177706027578094, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=484, endPage=491, ext={EN=ArticleExt(id=1305177724243431836, articleId=1305177722456658330, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Intensified Leaching Process for Refractory Molybdenum Ore, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

Aiming at the problems of low molybdenum grade, complex ore properties and poor enrichment effect by conventional mineral processing methods for a certain molybdenum deposit, on the basis of ore property research, acid leaching, alkaline leaching and enhanced leaching tests were carried out respectively. The high-acid enhanced leaching process was optimally selected. The effects of sulfuric acid dosage, ore particle size, leaching temperature, oxidant dosage, liquid volume to solid mass ratio and leaching time on molybdenum leaching efficiency were investigated, and the optimal leaching process parameters were determined. The results show that under the optimal conditions of ore particle size of -100 mesh, sulfuric acid dosage of 20%, pyrolusite dosage of 3%, leaching temperature of 80 ℃, liquid volume to solid mass ratio of 1.5∶1 and leaching time of 3 h, the molybdenum leaching rate calculated by leaching residue reaches 71.18% via the high-acid enhanced leaching process. To solve the problem of excessive residual acid in high-acid enhanced leaching solution, a two-stage countercurrent leaching process is adopted. The average molybdenum leaching rate calculated by leaching residue increases to 72.16%, which is about 1 percentage point higher than that of single-stage leaching. Meanwhile, the mass concentration of residual acid decreases by more than 40%, and the total consumption of sulfuric acid reduces by 25%. The ton-scale pilot test results of the two-stage countercurrent leaching process indicate that under suitable conditions, the total sulfuric acid dosage is 15%, the residual acid mass concentration of leaching solution is 48.8 g/L, and the molybdenum leaching rate calculated by leaching residue remains above 71%. This process proves stable and reliable with good reproducibility of leaching indexes, which serves as the technical basis for the industrial design of this molybdenum deposit.

, authors=Shaohui KANG, Yuqing NIU, Xiuming KANG, Jiayu ZHANG, Yuan YUAN, Dabing LI, Hao WANG, Kaikai YE, Kang LIU, Yan REN, authorsList=Shaohui KANG, Yuqing NIU, Xiuming KANG, Jiayu ZHANG, Yuan YUAN, Dabing LI, Hao WANG, Kaikai YE, Kang LIU, Yan REN, authorCompany=null, correspAuthors=Xiuming KANG, 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=1305177724688028061, articleId=1305177722456658330, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=某难选钼矿强化浸出工艺研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

针对某矿床钼品位低、矿性复杂、选矿方式富集效果不佳等问题，以矿石矿性研究结果为基础，分别进行酸法浸出、碱法浸出及强化浸出研究，优选出了高酸强化浸出工艺，并考察了硫酸用量、矿石粒度、浸出温度、氧化剂用量、液固体积质量比、浸出时间等对钼浸出效果的影响，确定了浸出工艺参数。结果表明：采用高酸强化浸出工艺时，在矿石粒度-100目、硫酸用量20%、软锰矿用量3%、浸出温度80 ℃、液固体积质量比1.5∶1、浸出时间3 h适宜条件下，钼渣计浸出率达71.18%；针对高酸强化浸出液余酸过高的问题，采用两段逆流浸出工艺可将钼平均渣计浸出率提升至72.16%，较单段浸出高出约1个百分点，且余酸质量浓度降低40%以上，同时硫酸总用量减少25%；两段逆流浸出工艺的吨级扩大试验结果表明，适宜条件下，硫酸总用量为15%，浸出液余酸质量浓度为48.7 g/L，钼渣计浸出率可达71%以上。该工艺稳定可靠，浸出指标重现性好，可作为该矿床工业设计依据。

, authors=康绍辉, 牛玉清, 康修铭, 张佳宇, 原渊, 李大炳, 王皓, 叶开凯, 刘康, 任燕, authorsList=康绍辉, 牛玉清, 康修铭, 张佳宇, 原渊, 李大炳, 王皓, 叶开凯, 刘康, 任燕, authorCompany=null, correspAuthors=康修铭, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=rHoKNrNI66hpneiAeHvKig==, magXml=kI0fcl77F+keBhqa3A8MAg==, pdfUrl=null, pdf=pA1H0f1VjoO6HBDCK95BNA==, pdfFileSize=960357, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=yjHGxII8OMFbZsrS27+Ulg==, mapNumber=null, fund=null)}, authors=[Author(id=1305177725451391394, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1305177722456658330, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1305177725531083172, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1305177722456658330, authorId=1305177725451391394, language=EN, stringName=Shaohui KANG, firstName=Shaohui, middleName=null, lastName=KANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Beijing Research Institute of Chemical Engineering and Metallergy, CNNC, Beijing　101149, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1305177725744992677, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1305177722456658330, authorId=1305177725451391394, language=CN, stringName=康绍辉, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=核工业北京化工冶金研究院，北京　101149, bio={"content":"

康绍辉（1978—），男，本科，研究员级高工，主要研究方向为铀纯化转化、铀及伴生铀资源开发。

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康绍辉（1978—），男，本科，研究员级高工，主要研究方向为铀纯化转化、铀及伴生铀资源开发。

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