Peroxide/Zero-valent iron (Fe0) pretreatment for promoting dewaterability of anaerobically digested sludge: A mechanistic study

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成果类型：

期刊论文

作者：

Li, Yifu;Xu, Qiuxiang;Liu, Xuran;Wang, Yali;Wang, Dongbo*;...

通讯作者：

Wang, Dongbo;Yang, Guojing

作者机构：

[Liu, Xuran; Wang, Yali; Yuan, Xingzhong; Li, Yifu; Xu, Qiuxiang; Wang, Dongbo] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China.

[Liu, Xuran; Wang, Yali; Yuan, Xingzhong; Li, Yifu; Xu, Qiuxiang; Wang, Dongbo] Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Peoples R China.

[Yang, Guojing] Zhejiang Wanli Univ, Coll Biol & Environm Sci, Ningbo 315100, Peoples R China.

[Yang, Fan] Hunan Commun Res Inst Co, Changsha 410000, Peoples R China.

[Huang, Jin] Hunan Prov Ctr Ecol & Environm Affairs, Changsha 410000, Peoples R China.

通讯机构：

[Wang, Dongbo] H

[Yang, Guojing] Z

Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China.

Zhejiang Wanli Univ, Coll Biol & Environm Sci, Ningbo 315100, Peoples R China.

语种：

英文

关键词：

Anaerobic digestion;Deceleration;Oxidation;Peroxides;Proteins;Anaerobically digested sludges;Capillary suction time;Conformational structures;Extracellular polymeric substances;Extracellular proteins;Intracellular substances;Lactate dehydrogenase;Specific resistance to filtration;Iron compounds;ferrous ion;iron;lactate dehydrogenase;n acetylglucosamine;peroxide;peroxide;water;anaerobic digestion;anaerobic sludge;Article;biofilm matrix;chemical structure;controlled study;corrosion;dispersion;fecal coliform;flocculation;hydrogen bond;hydrophilicity;hydrophobicity;nonhuman;particle size;physical chemistry;shear stress;sludge dewatering;water content;water permeability;filtration;oxidation reduction reaction;sewage;Extracellular Polymeric Substance Matrix;Filtration;Iron;Oxidation-Reduction;Peroxides;Sewage;Waste Disposal, Fluid;Water

期刊：

Journal of Hazardous Materials

ISSN：

0304-3894

年：

2020

卷：

400

页码：

123112

DOI：

10.1016/j.jhazmat.2020.123112

基金类别：

The authors were thankful for funds from the Natural Science Funds of the Science and Technology Major Project of Hunan Province, China (2018SK1010), the Huxiang high level talent gathering project (2019RS1029), the Zhejiang Provincial Natural Science Foundation of China (LY18E080001), the Zhejiang Provincial Top Key Discipline of Biological Engineering (ZS2019003), and the Ningbo Top Discipline of Environmental Science and Engineering. The authors were thankful for funds from the Natural Science Funds of the Science and Technology Major Project of Hunan Province, China ( 2018SK1010 ), the Huxiang high level talent gathering project (2019RS1029), the Zhejiang Provincial Natural Science Foundation of China ( LY18E080001 ), the Zhejiang Provincial Top Key Discipline of Biological Engineering ( ZS2019003 ), and the Ningbo Top Discipline of Environmental Science and Engineering .

机构署名：

本校为其他机构

院系归属：

生物科学技术学院

摘要：

Peroxide/Zero-valent iron (Fe0) was reported to promote dewaterability of anaerobically digested sludge (ADS), but the mechanism of how Peroxide/Fe0 facilitates ADS dewatering is unknown. This study therefore aims to uncover the details of how Peroxide/Fe° elevates ADS dewaterability. Experimental results showed that with 0.6 g Fe0/g TSS and 0.08 g peroxide/g TSS, capillary suction time, specific resistance to filtration, and time to filtration of ADS was 50.7 %, 41.4 %, and 54.4 % of that in the control, respectively. In this condition, water...

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Peroxide/Zero-valent iron (Fe0) pretreatment for promoting dewaterability of anaerobically digested sludge: A mechanistic study

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