微塑料对剩余污泥的影响及其降解途径研究进展

蒲艺涛; 杨茹月; 徐一荣; 柯水洲; 王晓东; 高静思; 肖康

doi:10.13205/j.hjgc.202402006

微塑料对剩余污泥的影响及其降解途径研究进展

doi: 10.13205/j.hjgc.202402006

蒲艺涛^1,2,3,
杨茹月^4,5,
徐一荣^2,6,
柯水洲³,
王晓东⁴,
高静思^1,,
肖康^2,6,

1. 深圳职业技术大学材料与环境工程学院, 广东深圳 518055;
2. 中国科学院大学资源与环境学院, 北京 101408;
3. 湖南大学土木工程学院, 长沙 410082;
4. 中国科学院大学材料科学与光电技术学院, 北京 101408;
5. 中国科学院大学中丹学院, 北京 101408;
6. 北京燕山地球关键带国家野外科学观测研究站, 北京 101408

基金项目:

深圳职业技术学院重点研发项目(6022310008K)

中央高校基本科研业务费专项资金资助(E2EG0502X2)

详细信息

作者简介:
蒲艺涛(1998-),男,硕士研究生,主要研究方向为污泥和微塑料粒径监测。3492648685@qq.com

通讯作者:
高静思。gaojingsi@szpt.edu.cn

肖康。kxiao@ucas.ac.cn

计量
- 文章访问数: 208
- HTML全文浏览量: 39
- PDF下载量: 14
- 被引次数: 0
出版历程
- 收稿日期: 2023-01-15
- 网络出版日期: 2024-04-28

RESEARCH PROGRESS ON EFFECTS OF MICROPLASTICS ON EXCESS SLUDGE AND THEIR DEGRADATION PATHWAYS

PU Yitao^1,2,3,
YANG Ruyue^4,5,
XU Yirong^2,6,
KE Shuizhou³,
WANG Xiaodong⁴,
GAO Jingsi^1
,,
XIAO Kang^{2,6
,}

1. College of Materials and Environmental Engineering, Shenzhen Polytechnic, Shenzhen 518055, China;
2. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China;
3. College of Civil Engineering, Hunan University, Changsha 410082, China;
4. College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 101408, China;
5. Sino-Danish College, University of Chinese Academy of Sciences, Beijing 101408, China;
6. Beijing Yanshan Earth Critical Zone National Research Station, Beijing 101408, China

摘要

摘要: 剩余污泥中残留的微塑料(microplastics, MPs)对环境和生态系统有潜在危害,需深入研究MPs在剩余污泥中的迁移、转归和降解机制,并开发有效的降解方法。首先介绍了MPs在剩余污泥中的赋存状态,并分析MPs对剩余污泥性质和污泥处理的影响。提出影响效应与MPs种类、浓度和粒径等因素密切相关。其次,分非生物降解与生物降解途径两方面综述了MPs在污水厂中的降解途径,非生物降解途径包括热解和水热处理,生物降解途径包括污泥堆肥、厌氧消化和生物膜法。讨论了各途径降解MPs的效率与机理,分析了各途径的特点与应用前景。其中,水热处理和污泥堆肥降解MPs效率较高,经济性好且应用场景多,优势明显。总体而言,剩余污泥中MPs的降解研究仍处于初步阶段,还需进一步深入研究。
- 微塑料 /
- 剩余污泥 /
- 影响 /
- 降解途径
Abstract: The residual microplastics(MPs) in excess sludge potentially harm the environment and ecosystems. Therefore, it is necessary to study the migration, fate, and degradation mechanism of MPs in excess sludge, and develop effective degradation methods to deal with the MPs problem. The occurrence state of MPs in excess sludge is first introduced and the effects of MPs on the properties of excess sludge and sludge treatment are analyzed. The effects are closely related to the type, concentration, and particle size of MPs. Secondly, the degradation pathways of MPs in wastewater treatment plants are reviewed, which can be divided into non-biodegradable and biodegradable pathways. Non-biodegradable pathways include pyrolysis and hydrothermal treatment. Biodegradable pathways include sludge composting, anaerobic digestion, and biofilm method. The degradation efficiency and mechanism of MPs are discussed and the characteristics and application prospects of each pathway are analyzed. Among them, hydrothermal treatment and sludge composting have high MPs degradation efficiency, good economic viability, and wide applicability. Currently, the research on the degradation of MPs in excess sludge is still in the preliminary stage, and further research is needed to tackle the MPs problem.
- microplastics /
- excess sludge /
- influence /
- degradation pathways

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