Article(id=1314907842658788320, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907832038810534, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2026.02.021, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1759852800000, receivedDateStr=2025-10-08, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791428059496, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791428059496, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791428059496, creator=13701087609, updateTime=1791428059496, updator=13701087609, issue=Issue{id=1314907832038810534, tenantId=1146029695717560320, journalId=1235980550691926019, year='2026', volume='46', issue='2', pageStart='1', pageEnd='214', issueExtLink='null', onlineDate='null', pubDate='1774972800000', pubDateStr='2026-04-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791428056964, creator='13701087609', updateTime=1791430468655, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314917947500486818, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907832038810534, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314917947500486819, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907832038810534, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=133, endPage=139, ext={EN=ArticleExt(id=1314907843002721249, articleId=1314907842658788320, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Slag Phase Regulation Mechanism in Cooperative Smelting of Multi-source Copper-Bearing Solid Waste, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

To address the technical bottlenecks of both high consumption of materials and energy and low recovery efficiency in traditional pyrometallurgical recycling of high-value copper-bearing solid wastes such as waste printed circuit boards, the slag phase regulation mechanism in cooperative smelting of multi-source copper-bearing solid waste was investigated. An analysis of the quaternary phase diagram of CaO-SiO₂-Al₂O₃-FeO system reveals that when the mass ratio of FeO to SiO₂ ranges from 1/9 to 1/1 and mass fraction of CaO is within the range of 10%-40%, the primary crystal phase regions of molten slag are primarily distributed in the areas of clinopyroxene, wollastonite and spinel, and a theoretical melting point is lower than 1 300 ℃. A prediction model for physicochemical properties of slag demonstrates that the fluidity of the molten slag can be significantly improved by increasing FeO/SiO₂ ratio from 0.5 to 1.0, and the optimal fluidity is achieved with FeO and SiO₂ at a mass ratio of 1.0, which can meet the requirements of industrial smelting. An experiment was performed with the optimized conditions, including FeO and SiO₂ at a mass ratio of 0.8, CaO and SiO₂ at a mass ratio of 0.4, smelting at a constant-temperature of 1 350 ℃ for 1 h, resulting in the obtained slag with the residual copper content therein reduced to 0.18%and copper recovery up to 99.39%. The produced crude copper alloy mainly contained Cu, C, S, Pb, Fe, Sn and other elements. It is concluded that increasing the FeO/SiO₂ ratio can contribute to improving metal recovery, but it can also increase separation difficulty in the subsequent electrolytic refining process.

, authors=Huandong ZHENG¹, Yingui DING¹, Shichao CHEN¹, Shaowei YOU¹, Zhibiao HAN¹, Shengen ZHANG², Fenglan HAN³, authorsList=Huandong ZHENG, Yingui DING, Shichao CHEN, Shaowei YOU, Zhibiao HAN, Shengen ZHANG, Fenglan HAN, authorCompany=null, correspAuthors=Yingui DING, 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=1314907843325682658, articleId=1314907842658788320, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=多源含铜固体废物协同熔炼的渣相调控机制研究, columnId=1236276107322913000, journalTitle=矿冶工程杂志, columnName=冶金, runingTitle=null, highlight=null, articleAbstract=

针对废线路板等高价值含铜固体废物传统火法回收中物料能耗高、回收效率低的技术瓶颈，开展了多源含铜固体废物协同熔炼过程的渣相调控机制研究。基于CaO-SiO₂-Al₂O₃-FeO四元相图，确定当m（FeO）/m（SiO₂）=1/9~1/1，w（CaO）=10%~40%时，熔渣初晶相区主要分布于单斜辉石、硅灰石及尖晶石区域，其理论熔点低于1 300 ℃。炉渣物化性质预测模型表明，m（FeO）/m（SiO₂）由0.5提升至1.0，可显著改善熔体流动性，其中m（FeO）/m（SiO₂）为1.0时流动性最优，符合工业化熔炼要求。优化的实验条件为：m（FeO）/m（SiO₂）=0.8、m（CaO）/m（SiO₂）=0.4、1 350 ℃恒温熔炼1 h，此条件下炉渣残余铜含量降至0.18%，铜回收率高达99.39%。所得粗铜合金主要包含Cu、C、S、Pb、Fe和Sn等元素。增大m（FeO）/m（SiO₂）虽有助于提高金属回收率，但会增加后续电解精炼的分离难度。

, authors=郑环东¹, 丁银贵¹, 陈士朝¹, 游韶玮¹, 韩志彪¹, 张深根², 韩凤兰³, authorsList=郑环东, 丁银贵, 陈士朝, 游韶玮, 韩志彪, 张深根, 韩凤兰, authorCompany=null, correspAuthors=丁银贵, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=mMqu2oz8gR6uc3qa7SpI5g==, magXml=co3uYckQyZVy6++YXFcPLQ==, pdfUrl=null, pdf=N5l9wXaAG/EsgsabXK8Ltg==, pdfFileSize=5426310, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=6yiXfCHh4KVScg8acS6P/Q==, mapNumber=null, fund=null)}, authors=[Author(id=1314907845930345454, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907842658788320, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhenghuandongUSTB@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1314907846433661936, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907842658788320, authorId=1314907845930345454, language=EN, stringName=Huandong ZHENG, firstName=Huandong, middleName=null, lastName=ZHENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.CECEP Engineering Technology Research Institute Co., Ltd., Beijing 100082, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1314907846676931569, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907842658788320, authorId=1314907845930345454, language=CN, stringName=郑环东, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．中节能工程技术研究院有限公司，北京 100082, bio={"content":"

郑环东（1994-），男，湖南岳阳人，博士，工程师，主要研究方向为固体废物处置与高值化利用。E-mail：zhenghuandongUSTB@163.com

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郑环东（1994-），男，湖南岳阳人，博士，工程师，主要研究方向为固体废物处置与高值化利用。E-mail：zhenghuandongUSTB@163.com

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