Article(id=1322559837737701742, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559792544072145, 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=1730649600000, receivedDateStr=2024-11-04, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793252437289, onlineDateStr=2026-10-29, pubDate=1769270400000, pubDateStr=2026-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793252437289, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793252437289, creator=13701087609, updateTime=1793252437289, updator=13701087609, issue=Issue{id=1322559792544072145, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='1', pageStart='1', pageEnd='306', issueExtLink='null', onlineDate='null', pubDate='1769270400000', pubDateStr='2026-01-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793252426515, creator='13701087609', updateTime=1793252675339, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322560836246286849, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559792544072145, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322560836246286850, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559792544072145, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=159, endPage=166, ext={EN=ArticleExt(id=1322559837909668207, articleId=1322559837737701742, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Study on Heavy Metal Pollution Characteristics of Groundwater Caused by Paste Backfill in a Lead-Zinc Mine and Its Action Mechanism, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To investigate the impact of underground paste backfill on the groundwater environment in a lead-zinc mine, the variation laws of pH and electrical conductivity of soaking solution and leaching solution affected by backfill mass concentration and cement-sand ratio were systematically examined by carried out backfill soaking and leaching tests. The results show that the electrical conductivity of the soaking solution and leaching solution exhibits a trend of first increasing and then decreasing over time. When the cement-sand ratios are 1∶4, 1∶10 and 1∶20, the maximum electrical conductivity values of the soaking solution are 2 050 μS/cm, 1 910 μS/cm and 1 220 μS/cm respectively. Meanwhile, the decreasing rates of pH of the leaching solution are 0.11 d^-1, 0.12 d^-1 and 0.18 d^-1 in the first 14 days, and 0.08 d^-1, 0.06 d^-1 and 0.03 d^-1 in the subsequent 14 days. This indicates that the higher the cement-sand ratio, the smaller the pH decrease range of the soaking solution, the higher the maximum electrical conductivity value, the slower the pH decreasing rate of the leaching solution in the early stage, and the faster the decreasing rate in the later stage. The mass concentration has a relatively minor effect on the variation of pH and electrical conductivity of the soaking solution and leaching solution over time. The leaching behavior of toxic ions is jointly determined by the adsorption of hydration products and the effect of pore structure, and the early stage is dominated by hydration reactions while carbonation reactions exert a more prominent influence in the later stage. The research results show that the concentration of heavy metal ions released by the backfill is far lower than the allowable values of relevant national standard, indicating that this paste backfill scheme has favorable environmental protection performance.

, authors=Fengbo SU¹, Yunlong LI¹, Zhaoquan GAO¹, Pingfa ZHANG¹, Chunlong ZHANG¹, Zhaolong DU², Jiandong WANG², authorsList=Fengbo SU, Yunlong LI, Zhaoquan GAO, Pingfa ZHANG, Chunlong ZHANG, Zhaolong DU, Jiandong WANG, authorCompany=null, correspAuthors=Jiandong WANG, 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=1322559838199075184, articleId=1322559837737701742, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=某铅锌矿膏体充填体对地下水重金属污染特征及其作用机理的研究, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=

为探究某铅锌矿井下膏体充填对地下水环境的影响，通过开展充填体浸泡与淋溶试验，系统考察了充填质量浓度和灰砂比对浸泡液和淋溶液pH及电导率的影响规律。结果表明：浸泡液和淋溶液的电导率随时间呈先增大后减小的趋势。当灰砂比为1∶4、1∶10、1∶20时，浸泡液的最大电导率值分别为2 050 μS/cm、1 910 μS/cm、1 220 μS/cm，淋溶液pH在前14 d的下降速率分别为0.11 d^-1、0.12 d^-1、0.18 d^-1，在后14 d的下降速率分别为0.08 d^-1、0.06 d^-1、0.03 d^-1，表明灰砂比越大，浸泡液的pH下降幅度越小，最大电导率值越高，淋溶液pH前期下降速率越慢，后期下降速率越快；质量浓度对浸泡液和淋溶液pH和电导率随时间的变化影响较小。毒害离子溶出行为主要由水化产物吸附和孔隙结构作用共同决定，前期以水化反应为主，后期碳化反应影响更显著。研究结果显示，充填体释放的重金属离子浓度远低于相关国家标准允许值，表明该膏体充填方案具备良好的环境保护性能。

, authors=苏凤波¹, 李云龙¹, 高兆全¹, 张平发¹, 张春龙¹, 杜召龙², 王建栋², authorsList=苏凤波, 李云龙, 高兆全, 张平发, 张春龙, 杜召龙, 王建栋, authorCompany=null, correspAuthors=王建栋, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=Nz0BMJ5U6zVV7j/LAHEI0w==, magXml=QvzWBFwlOEZZ6FJXsXkwzg==, pdfUrl=null, pdf=yb/4F/9jmNnyb7EgqTzytA==, pdfFileSize=2001899, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=+8BBER1ImckXFuJU129GKA==, mapNumber=null, fund=null)}, authors=[Author(id=1322559838949855608, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559837737701742, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=274402905@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322559839029547386, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559837737701742, authorId=1322559838949855608, language=EN, stringName=Fengbo SU, firstName=Fengbo, middleName=null, lastName=SU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.Chifeng NFC Baiyinnuoer Mining Co., Ltd., Chifeng, Inner Mongolia 025473, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322559839105044859, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559837737701742, authorId=1322559838949855608, language=CN, stringName=苏凤波, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．赤峰中色白音诺尔矿业有限公司，内蒙古 赤峰市　025473, bio={"content":"

苏凤波（1984—），男，内蒙古赤峰人，工程师，主要从事矿山测量技术管理工作。E-mail:274402905@qq.com

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苏凤波（1984—），男，内蒙古赤峰人，工程师，主要从事矿山测量技术管理工作。E-mail:274402905@qq.com

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