Article(id=1314918573844295737, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314918450573701162, 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=1749398400000, receivedDateStr=2025-06-09, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791430618010, onlineDateStr=2026-10-08, pubDate=1766160000000, pubDateStr=2025-12-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791430618010, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791430618010, creator=13701087609, updateTime=1791430618010, updator=13701087609, issue=Issue{id=1314918450573701162, tenantId=1146029695717560320, journalId=1234093305789726721, year='2025', volume='45', issue='12', pageStart='6513', pageEnd='7104', issueExtLink='null', onlineDate='null', pubDate='1766160000000', pubDateStr='2025-12-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791430588620, creator='13701087609', updateTime=1791431575400, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314922589479333965, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314918450573701162, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314922589479333966, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314918450573701162, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=6706, endPage=6716, ext={EN=ArticleExt(id=1314918574054010938, articleId=1314918573844295737, tenantId=1146029695717560320, journalId=1234093305789726721, language=EN, title=Speciation distribution of heavy metals and phosphorus in municipal sludge before and after hydrothermal treatment, columnId=1240689598498656298, journalTitle=China Environmental Science, columnName=Solid Waste, runingTitle=null, highlight=null, articleAbstract=

Hydrothermal treatment was applied to municipal sludge to investigate the speciation distribution of heavy metals and phosphorus in solid and liquid phases. The migration behavior and ecological risks of heavy metals were analyzed using the improved European Community Bureau of Reference (BCR) sequential extraction method combined with leaching toxicity assessment, while phosphorus transformation in hydrochar was examined by modified Hedley fractionation. Results indicated that most heavy metals were enriched in hydrochar and converted into more stable forms, with the ecological risk index decreasing to below 30%. Phosphorus was concentrated in hydrochar with an enrichment efficiency exceeding 90%, and its speciation shifted predominantly from NaOH-extractable phosphorus (NaOH-P) to HCl-extractable phosphorus (HCl-P) and residual phosphorus (Res-P), indicating enhanced stability. In conclusion, hydrothermal treatment achieved co-enrichment of heavy metals and phosphorus in hydrochar, simultaneously reducing the ecological risk of heavy metals and the leaching risk of phosphorus. These findings provide a theoretical basis for the stabilization treatment of municipal sludge.

, authors=Yuan ZHAO, Jing ZHANG*, Jun MA, authorsList=Yuan ZHAO, Jing ZHANG, Jun MA, authorCompany=null, correspAuthors=Jing ZHANG, 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=1314918574293086267, articleId=1314918573844295737, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=水热处理前后市政污泥中重金属及磷形态分布研究, columnId=1240689598737731645, journalTitle=中国环境科学, columnName=固体废物, runingTitle=null, highlight=null, articleAbstract=

以市政污泥为研究对象开展水热处理,分析固/液相中重金属与磷的赋存特性.通过改进的欧共体标准物质局(BCR)连续提取法与浸出毒性检测分析重金属迁移规律及生态风险;采用改进Hedley法解析水热炭中磷形态转化.结果表明,经过水热处理后,污泥中绝大多数重金属富集在水热炭中,并向更加稳定的形态转化,生态风险指数降至30%以下.磷在水热炭中富集率达90%以上,其形态主要由NaOH溶解态(NaOH-P)转化为HCl溶解态(HCl-P)和残渣态(Res-P),稳定性增强.总而言之,水热处理将重金属和磷富集在水热炭中,同步降低重金属生态风险与磷流失风险.

, authors=赵元, 张静*, 马军, authorsList=赵元, 张静, 马军, authorCompany=null, correspAuthors=张静, authorNote=

赵元(2001-),女,河北邢台人,硕士研究生,主要研究方向为废弃生物质能源化与高值定向转化..

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* 责任作者,教授,
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赵元(2001-),女,河北邢台人,硕士研究生,主要研究方向为废弃生物质能源化与高值定向转化..

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赵元(2001-),女,河北邢台人,硕士研究生,主要研究方向为废弃生物质能源化与高值定向转化..

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水热处理前后市政污泥中重金属及磷形态分布研究
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赵元 , 张静 * , 马军
中国环境科学 | 固体废物 2025,45(12): 6706-6716
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中国环境科学 |固体废物 2025 , 45 (12) : 6706 -6716
水热处理前后市政污泥中重金属及磷形态分布研究
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赵元 , 张静* , 马军
作者信息
  • 哈尔滨工业大学环境学院,污泥安全处置与资源化技术国家工程研究中心,黑龙江 哈尔滨 150090
通讯作者:
* 责任作者,教授,
作者简介:

赵元(2001-),女,河北邢台人,硕士研究生,主要研究方向为废弃生物质能源化与高值定向转化..

Speciation distribution of heavy metals and phosphorus in municipal sludge before and after hydrothermal treatment
Yuan ZHAO , Jing ZHANG* , Jun MA
Affiliations
  • National Engineering Research Center for Safe Disposal and Resources Recovery of Sludge, School of Environment, Harbin Institute of Technology, Harbin 150090, China
出版时间: 2025-12-20
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以市政污泥为研究对象开展水热处理,分析固/液相中重金属与磷的赋存特性.通过改进的欧共体标准物质局(BCR)连续提取法与浸出毒性检测分析重金属迁移规律及生态风险;采用改进Hedley法解析水热炭中磷形态转化.结果表明,经过水热处理后,污泥中绝大多数重金属富集在水热炭中,并向更加稳定的形态转化,生态风险指数降至30%以下.磷在水热炭中富集率达90%以上,其形态主要由NaOH溶解态(NaOH-P)转化为HCl溶解态(HCl-P)和残渣态(Res-P),稳定性增强.总而言之,水热处理将重金属和磷富集在水热炭中,同步降低重金属生态风险与磷流失风险.

市政污泥  /  水热处理  /  水热炭  /  重金属  /  磷

Hydrothermal treatment was applied to municipal sludge to investigate the speciation distribution of heavy metals and phosphorus in solid and liquid phases. The migration behavior and ecological risks of heavy metals were analyzed using the improved European Community Bureau of Reference (BCR) sequential extraction method combined with leaching toxicity assessment, while phosphorus transformation in hydrochar was examined by modified Hedley fractionation. Results indicated that most heavy metals were enriched in hydrochar and converted into more stable forms, with the ecological risk index decreasing to below 30%. Phosphorus was concentrated in hydrochar with an enrichment efficiency exceeding 90%, and its speciation shifted predominantly from NaOH-extractable phosphorus (NaOH-P) to HCl-extractable phosphorus (HCl-P) and residual phosphorus (Res-P), indicating enhanced stability. In conclusion, hydrothermal treatment achieved co-enrichment of heavy metals and phosphorus in hydrochar, simultaneously reducing the ecological risk of heavy metals and the leaching risk of phosphorus. These findings provide a theoretical basis for the stabilization treatment of municipal sludge.

municipal sludge  /  hydrothermal treatment  /  hydrochar  /  heavy metals  /  phosphorus
赵元, 张静, 马军. 水热处理前后市政污泥中重金属及磷形态分布研究. 中国环境科学, 2025 , 45 (12) : 6706 -6716 .
Yuan ZHAO, Jing ZHANG, Jun MA. Speciation distribution of heavy metals and phosphorus in municipal sludge before and after hydrothermal treatment[J]. China Environmental Science, 2025 , 45 (12) : 6706 -6716 .
  • 国家自然科学基金(22422602)
  • 污泥安全处置与资源化技术国家工程研究中心科研基金项目(哈尔滨工业大学)(Z2024A016)
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  • 接收时间:2025-06-09
  • 首发时间:2026-10-08
  • 出版时间:2025-12-20
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  • 收稿日期:2025-06-09
基金
国家自然科学基金(22422602)
污泥安全处置与资源化技术国家工程研究中心科研基金项目(哈尔滨工业大学)(Z2024A016)
作者信息
    哈尔滨工业大学环境学院,污泥安全处置与资源化技术国家工程研究中心,黑龙江 哈尔滨 150090

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2种不同金属材料的力学参数
科
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属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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