Article(id=1314917826159276569, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314917704910340427, 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=1735315200000, receivedDateStr=2024-12-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791430439747, onlineDateStr=2026-10-08, pubDate=1755619200000, pubDateStr=2025-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791430439747, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791430439747, creator=13701087609, updateTime=1791430439747, updator=13701087609, issue=Issue{id=1314917704910340427, tenantId=1146029695717560320, journalId=1234093305789726721, year='2025', volume='45', issue='8', pageStart='4145', pageEnd='4736', issueExtLink='null', onlineDate='null', pubDate='1755619200000', pubDateStr='2025-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791430410840, creator='13701087609', updateTime=1791431909627, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314923991341555972, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314917704910340427, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314923991345750277, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314917704910340427, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=4699, endPage=4705, ext={EN=ArticleExt(id=1314917826360603162, articleId=1314917826159276569, tenantId=1146029695717560320, journalId=1234093305789726721, language=EN, title=Evaluation of eco-efficiency and analysis of its determinants for WWTPs within the Yangtze River Economic Belt, columnId=1234106417825772207, journalTitle=China Environmental Science, columnName=Environmental Impact Assessment and Management, runingTitle=null, highlight=null, articleAbstract=

This study employs a dual approach, utilizing both normalized carbon emission equivalents and eco-efficiency indicators based on data envelopment analysis (DEA), to evaluate633WWTPs within the Yangtze River Economic Belt. The mean eco-efficiency index was found to be 0.492. The eco-efficiency of WWTPs in the Yangtze River Economic Belt is significantly influenced by scale effects: mean index are 0.440 for plants with treatment scale ≤10,000m³/d, 0.507 for 10,000~100,000m³/d, and 0.729 for >100,000m³/d; notable differences in eco-efficiency exist across various regions and treatment processes: with sequencing batch reactors and continuously stirred tank reactors exhibit higher mean eco-efficiency index (0.569) than plug-flow processes (0.473). Additionally, as the BOD₅ concentration of influent in WWTPs increases, their eco-efficiency index rises but then declines. Moreover, advanced treatment processes exacerbate the environmental impact of wastewater treatment systems, WWTPs meeting Grade A discharge standards have a mean eco-efficiency index of 0.483, compared to 0.535 for Grade B-compliant plants.

, authors=Jin XU^{1, *}, Zhi-hong ZHENG¹, Xing-yu ZHENG², Xi-lin PENG², Jie YAO², Xiao RAN¹, Yu-long YANG¹, Hong-yu WANG¹, authorsList=Jin XU, Zhi-hong ZHENG, Xing-yu ZHENG, Xi-lin PENG, Jie YAO, Xiao RAN, Yu-long YANG, Hong-yu WANG, authorCompany=null, correspAuthors=Jin XU, 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=1314917826729701915, articleId=1314917826159276569, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=长江经济带城镇污水处理厂生态效率评估及其影响因素, columnId=1234106419604157142, journalTitle=中国环境科学, columnName=环境影响评价与管理, runingTitle=null, highlight=null, articleAbstract=

采用基于归一化的碳排放当量和基于数据包络分析的生态效率指标，对长江经济带的633座城镇污水处理厂进行评估，结果表明，其生态效率指数均值为0.492．长江经济带污水处理厂的生态效率受规模效应影响显著，其处理规模≤1万m³/d、1万m³/d<处理规模≤10万m³/d和10万m³/d<处理规模的生态效率指数均值分别为0.440、0.507和0.729；各地区、各工艺污水处理厂生态效率存在较大差异，其中间歇流反应器或全混合反应器生态效率指数较高，其均值为0.569（推流式工艺为0.473）；随着污水处理厂进水BOD₅浓度的升高，其生态效率呈现先升高后降低的变化趋势；深度处理将加剧污水处理系统对生态环境的影响，执行一级A标的污水厂的生态效率指数均值为0.483，其余执行一级B标的污水厂为0.535．

, authors=许劲^{1, *}, 郑志宏¹, 郑星宇², 彭喜林², 姚杰², 冉潇¹, 杨煜隆¹, 王虹钰¹, authorsList=许劲, 郑志宏, 郑星宇, 彭喜林, 姚杰, 冉潇, 杨煜隆, 王虹钰, authorCompany=null, correspAuthors=许劲, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=L5tWbmdL3YLvKGcARBpOHQ==, magXml=GAxeVMzKJPXXvus7wpSZog==, pdfUrl=null, pdf=L/1r50BM4jBg90Fx689YWw==, pdfFileSize=1072416, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=yk68kTlKBRXDylGd3zV54w==, mapNumber=null, fund=null)}, authors=[Author(id=1314917828692636195, tenantId=1146029695717560320, journalId=1234093305789726721, articleId=1314917826159276569, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=xujincq@cqu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1314917828772327973, tenantId=1146029695717560320, journalId=1234093305789726721, articleId=1314917826159276569, authorId=1314917828692636195, language=EN, stringName=Jin XU, firstName=Jin, middleName=null, lastName=XU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=^{1, *}, address=^1.Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing400044, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1314917828852019750, tenantId=1146029695717560320, journalId=1234093305789726721, articleId=1314917826159276569, authorId=1314917828692636195, language=CN, stringName=许劲, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=^{1, *}, address=^1.重庆大学，三峡库区生态环境教育部重点实验室，重庆 400044, bio={"content":"

许劲（1968-），女，湖北武汉人，教授，博士，主要从事可持续废水废物处理研究．发表论文90余篇．xujincq@cqu.edu.cn.

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许劲（1968-），女，湖北武汉人，教授，博士，主要从事可持续废水废物处理研究．发表论文90余篇．xujincq@cqu.edu.cn.

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