Article(id=1314908214102159412, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2026.04.025, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1769356800000, receivedDateStr=2026-01-26, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791428148054, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791428148054, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791428148054, creator=13701087609, updateTime=1791428148054, updator=13701087609, issue=Issue{id=1314908074188562588, tenantId=1146029695717560320, journalId=1235980550691926019, year='2026', volume='46', issue='4', pageStart='1', pageEnd='266', issueExtLink='null', onlineDate='null', pubDate='1785513600000', pubDateStr='2026-08-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1791428114697, creator='13701087609', updateTime=1791430419337, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314917740654191268, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314917740654191269, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=163, endPage=168, ext={EN=ArticleExt(id=1314908214542561333, articleId=1314908214102159412, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Catalytic Pyrolysis of Ammonium Sulfate Wastewater via CuO-Based Chemical Looping for Resource Recovery of Ammonia and Sulfur, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

Aiming at the bottleneck that NH₃ and SO₂ generated during ammonium sulfate pyrolysis tend to spontaneously recombine and are difficult to be separated efficiently, an integrated process consisting of crystallization, pyrolysis and recycling, with CuO as the oxygen carrier in chemical looping was proposed. Experimental results indicate that the ammonia release rate exceeds 96% at the ammonia releasing stage after reaction at 400 ℃, with ammonium sulfate and copper oxide in a molar ratio of 1∶1.5. While at the sulfur releasing stage, after 90 min reaction at 750 ℃, sulfur release rate is over 98%. It is found that after five cycles of CuO-based chemical looping pyrolysis, both the ammonia-release and sulfur-release rates remain higher than 95%, and CuO also can be regenerated via air calcination. This process provides a feasible technical route for resource utilization of nitrogen-containing wastewater.

, authors=Zhiye YUAN¹, Weilou MA¹, Juexi CHEN², Yuxin YI¹, Chuye CHEN¹, Zhaoru CHEN¹, Lishan YANG^{1, 3}, authorsList=Zhiye YUAN, Weilou MA, Juexi CHEN, Yuxin YI, Chuye CHEN, Zhaoru CHEN, Lishan YANG, authorCompany=null, correspAuthors=Lishan YANG, 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=1314908216190922806, articleId=1314908214102159412, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=CuO化学链催化热解硫酸铵废水及氨硫资源化回收, columnId=1236276107322913000, journalTitle=矿冶工程杂志, columnName=冶金, runingTitle=null, highlight=null, articleAbstract=

针对硫酸铵热解过程中产物NH₃与SO₂容易自发复合、难以高效分离的难题，提出了一种以CuO为化学链载体的“结晶-热解-循环利用”一体化工艺。结果表明，释氨阶段反应温度400 ℃、硫酸铵/氧化铜物质的量比1∶1.5时，释氨率可达96%以上；释硫阶段反应温度750 ℃、反应时间90 min时，释硫率超过98%。CuO经5次循环后仍保持95%以上的氨硫释放率，且可通过空气煅烧再生。该工艺为含氮废水资源化利用提供了可行的技术路径。

, authors=袁治冶¹, 马伟楼¹, 陈珏锡², 易雨馨¹, 陈楚烨¹, 陈昭如¹, 杨立山^{1, 3}, authorsList=袁治冶, 马伟楼, 陈珏锡, 易雨馨, 陈楚烨, 陈昭如, 杨立山, authorCompany=null, correspAuthors=杨立山, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=hqg9Z/y8Twpu3/xwKLIdhg==, magXml=HVJQV1OAsmxUYse6CBLuAw==, pdfUrl=null, pdf=w7zXTo8vFPDrh2ieSs2kVg==, pdfFileSize=1614651, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=y/MYK7npzkI8ON9Yiv//Jw==, mapNumber=null, fund=null)}, authors=[Author(id=1314908218678145089, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908214102159412, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=Yzhiye@outlook.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1314908218795585603, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908214102159412, authorId=1314908218678145089, language=EN, stringName=Zhiye YUAN, firstName=Zhiye, middleName=null, lastName=YUAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.Xiangtan Electrochemical Scientific Co., Ltd., Xiangtan 411102, Hunan, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1314908218883665988, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908214102159412, authorId=1314908218678145089, language=CN, stringName=袁治冶, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．湘潭电化科技股份有限公司，湖南 湘潭 411102, bio={"content":"

袁治冶（1984—），男，湖南湘潭人，硕士，高级工程师，主要研究方向为资源循环和固废利用。E-mail: Yzhiye@outlook.com

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袁治冶（1984—），男，湖南湘潭人，硕士，高级工程师，主要研究方向为资源循环和固废利用。E-mail: Yzhiye@outlook.com

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