Article(id=1305178391943077947, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305178373467169689, articleNumber=null, orderNo=null, doi=10.13355/j.cnki.sfyj.2026.03.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1768752000000, receivedDateStr=2026-01-19, revisedDate=1774800000000, revisedDateStr=2026-03-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1789108377680, onlineDateStr=2026-09-11, pubDate=1781884800000, pubDateStr=2026-06-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789108377680, onlineIssueDateStr=2026-09-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789108377680, creator=13701087609, updateTime=1789108377680, updator=13701087609, issue=Issue{id=1305178373467169689, tenantId=1146029695717560320, journalId=1146120122248306696, year='2026', volume='45', issue='3', pageStart='273', pageEnd='454', issueExtLink='null', onlineDate='null', pubDate='1781884800000', pubDateStr='2026-06-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789108373275, creator='13701087609', updateTime=1789108489171, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1305178859612168540, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305178373467169689, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1305178859612168541, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305178373467169689, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=364, endPage=371, ext={EN=ArticleExt(id=1305178392240873532, articleId=1305178391943077947, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Spray Heap Leaching of Fine-Grained Uranium Ore, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

Aiming at the issues of prolonged leaching cycles and low efficiency in the existing heap leaching process at a uranium mine, an on-site industrial optimization heap leaching test was conducted on fine-grained ore. The optimal process conditions and key parameters of key stages, including ore crushing, wet granulation, and spray heap leaching, on uranium extraction were systematically investigated. The results demonstrate that the closed-circuit crushing and screening process effectively regulates the feed particle size to below 4 mm. Excellent pelletisation is achieved under the conditions of drum granulator speed of 30 r/min and ore feed rate of 40 t/h. Heap leaching tests confirm that this optimised process successfully reduces the uranium from 0.158% to 0.011 5%, achieving the uranium leaching rate of 92.72%, under the conditions of liquid volume to solid mass ratio of 4.86∶1, sulfuric acid consumption of 8.56%, and spray cycle of 78 d.

, authors=Jiahong SUN, Liuyin SHI, Xiumin JIA, Junnan MA, Qingyin XIA, Shang GAO, authorsList=Jiahong SUN, Liuyin SHI, Xiumin JIA, Junnan MA, Qingyin XIA, Shang GAO, authorCompany=null, correspAuthors=Liuyin SHI, 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=1305178392639332413, articleId=1305178391943077947, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=细粒级铀矿石喷淋堆浸试验研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

针对铀矿堆浸工艺存在浸出周期长、浸出效率低等问题，开展了细粒级矿石现场喷淋最佳工艺流程及参数淋堆浸工业优化试验，确定了矿石破碎、拌水造粒，以及喷淋堆浸等关键环节的最佳工艺参数，结果表明：闭路破碎筛分工艺能有效控制入料粒度在4 mm以下；在转筒造粒机转速30 r/min、矿石进料量为40 t/h条件下，造粒成球效果良好；堆浸试验证实，在液固体积质量比4.86∶1、硫酸用量8.56%、浸出周期78 d条件下，该工艺成功地将铀品位从0.158%降至0.011 5%，获得了92.72%的渣计铀浸出率。

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孙家红（1999—），男，硕士，工程师，主要研究方向为铀矿水冶技术。

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孙家红（1999—），男，硕士，工程师，主要研究方向为铀矿水冶技术。

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