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Structural and functional properties of organic matters in extracellular polymeric substances (EPS) and dissolved organic matters (DOM) after heat pretreatment with waste sludge
Sun, Jian1; Guo, Liang1,2; Li, Qianqian1; Zhao, Yangguo1; Gao, Mengchun1; She, Zonglian1; Wang, Guangce3
2016-11-01
发表期刊BIORESOURCE TECHNOLOGY
卷号219页码:614-623
文章类型Article
摘要The effects of heat pretreatment on waste sludge hydrolysis were investigated in this study. Heat pretreatment was conducted at 65 degrees C, 80 degrees C, 100 degrees C and 121 degrees C for 5 min, 10 min, 15 min, 20 min, 25 min and 30 min. Not only analyzed the changes of SCOD (Soluble chemical oxygen demand), carbohydrate and protein, but also evaluated the structural and functional properties of organics in extracellular polymeric substances (EPS) and dissolved organic matters (DOM) by using three-dimensional excitationemission matrix (3D-EEM) fluorescence spectroscopy with fluorescence regional integration (FRI) analysis. The SCOD in DOM increased with pretreated temperatures. The optimal heat hydrolysis temperature and time were selected by further studying the biodegradable and non-biodegradable components. After treated at 80 degrees C for 25 min, the fluorescence intensity and percent fluorescence response (P-i,P- n) of easily biodegradable soluble microbial by-product substance were higher than others, and little nonbiodegradable fulvic acid-like substance was accumulated. (C) 2016 Elsevier Ltd. All rights reserved.
关键词Waste Sludge Heat Hydrolysis Dissolved Organic Matters (Dom) Extracellular Polymeric Substances (Eps) Excitation-emission Matrix (Eem)
DOI10.1016/j.biortech.2016.08.042
收录类别SCI
语种英语
WOS记录号WOS:000384711900074
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136191
专题实验海洋生物学重点实验室
作者单位1.Ocean Univ China, Coll Environm Sci & Engn, Qingdao 266100, Peoples R China
2.Ocean Univ China, Minist Educ, Key Lab Marine Environm & Ecol, Qingdao 266100, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
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GB/T 7714
Sun, Jian,Guo, Liang,Li, Qianqian,et al. Structural and functional properties of organic matters in extracellular polymeric substances (EPS) and dissolved organic matters (DOM) after heat pretreatment with waste sludge[J]. BIORESOURCE TECHNOLOGY,2016,219:614-623.
APA Sun, Jian.,Guo, Liang.,Li, Qianqian.,Zhao, Yangguo.,Gao, Mengchun.,...&Wang, Guangce.(2016).Structural and functional properties of organic matters in extracellular polymeric substances (EPS) and dissolved organic matters (DOM) after heat pretreatment with waste sludge.BIORESOURCE TECHNOLOGY,219,614-623.
MLA Sun, Jian,et al."Structural and functional properties of organic matters in extracellular polymeric substances (EPS) and dissolved organic matters (DOM) after heat pretreatment with waste sludge".BIORESOURCE TECHNOLOGY 219(2016):614-623.
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