Article(id=1311360781577450051, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1311360779169919555, articleNumber=null, orderNo=null, doi=10.13426/j.cnki.yky.2025.09.06, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1757174400000, receivedDateStr=2025-09-07, revisedDate=1761235200000, revisedDateStr=2025-10-24, acceptedDate=null, acceptedDateStr=null, onlineDate=1790582374233, onlineDateStr=2026-09-28, pubDate=1779206400000, pubDateStr=2026-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790582374233, onlineIssueDateStr=2026-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790582374233, creator=13701087609, updateTime=1790582374233, updator=13701087609, issue=Issue{id=1311360779169919555, tenantId=1146029695717560320, journalId=1146123346816638986, year='2026', volume='45', issue='2', pageStart='1', pageEnd='156', issueExtLink='null', onlineDate='null', pubDate='1779206400000', pubDateStr='2026-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790582373659, creator='13701087609', updateTime=1790583908456, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1311367216646418706, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1311360779169919555, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1311367216646418707, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1311360779169919555, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1, endPage=11, ext={EN=ArticleExt(id=1311360781787165252, articleId=1311360781577450051, tenantId=1146029695717560320, journalId=1146123346816638986, language=EN, title=Research Progress on the Blockage of In-situ Leaching Uranium Induced by Clay Minerals and Pyrite, columnId=1179340519550370065, journalTitle=Uranium Mining and Metallurgy, columnName=Cover Article, runingTitle=null, highlight=null, articleAbstract=

In-situ leaching (ISL) of uranium, a core technology in China's uranium mining, faces significant challenges due to pore blockage caused by clay minerals and pyrite, which severely restricts leaching efficiency and production capacity. This paper systematically reviews the causes and mechanisms of blocking phenomena in acid leaching, alkaline leaching, and "CO₂ + O₂" neutral leaching processes. It reveals that clay minerals induce pore blockage through physicochemical interactions such as swelling, ion exchange, and argillization of non-clay minerals, while pyrite oxidation generates sulfate and iron ions, leading to permeability reduction via mineral precipitation and colloidal adsorption. Current unblocking technologies primarily employ inhibitors to suppress pyrite oxidation, chelating agents to immobilize iron-containing precipitates, and swelling suppressants to mitigate clay mineral expansion. However, challenges remain, including lack of specificity, limited environmental compatibility, and insufficient long-term stability. Future research should focus on elucidating the synergistic mechanisms of clay-pyrite interactions, developing intelligent unblocking materials with targeted functionality, and establishing ecological risk assessment frameworks. These advancements aim to drive innovation in green and efficient unblocking technologies, providing theoretical and technical support for China's large-scale uranium base construction and sustainable nuclear energy development.

, authors=Xuerui ZHAO^{1, 2}, Zhenzhong LIU¹, Chunguang LI^{1, 2}, Ying XU³, Xianzhe DUAN¹, Weimin QUE³, Zhenping TANG¹, authorsList=Xuerui ZHAO, Zhenzhong LIU, Chunguang LI, Ying XU, Xianzhe DUAN, Weimin QUE, Zhenping TANG, authorCompany=null, correspAuthors=Zhenzhong LIU, 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=1311360782198207045, articleId=1311360781577450051, tenantId=1146029695717560320, journalId=1146123346816638986, language=CN, title=黏土矿和黄铁矿诱发地浸采铀堵塞的研究进展, columnId=1171165155376275591, journalTitle=铀矿冶, columnName=封面文章, runingTitle=null, highlight=null, articleAbstract=

在地浸采铀生产过程中，由黏土矿与黄铁矿引发的堵塞问题严重制约了浸出效率与产能提升。笔者系统综述了酸法、碱法及“CO₂ +O₂”中性浸出工艺中堵塞现象的成因与影响机制，揭示了黏土矿物通过膨胀、离子置换以及非黏土矿物黏土化等物理化学作用导致孔隙堵塞的关键过程，阐明了黄铁矿氧化产生的硫酸根与铁离子通过矿物沉淀、胶体吸附等途径引发的渗透性下降问题。针对上述堵塞机制，现有解堵技术主要采用加入抑制剂阻断黄铁矿氧化、加入螯合剂生成铁系沉淀物及采用抑膨剂调控黏土矿物膨胀等策略，但仍存在靶向性与环境兼容性不足等问题。未来研究需聚焦黏土-黄铁矿协同作用机理解析、智能解堵材料开发及生态风险评估体系构建，以推动绿色高效解堵技术的创新，为中国铀矿大基地建设与核能可持续发展提供理论支撑与技术保障。

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