Spectroscopic characterization of water extractable organic matter during composting of municipal solid waste

被引：271

作者：

He, Xiaosong ^{[1
,2
]}

Xi, Beidou ^{[2
]}

Wei, Zimin ^{[3
]}

Guo, Xujing ^{[1
,2
]}

Li, Mingxiao ^{[2
,4
]}

An, Da ^{[1
,2
]}

Liu, Hongliang ^{[2
]}

机构：

[1] Beijing Normal Univ, Sch Environm, Beijing 100875, Peoples R China

[2] Chinese Res Inst Environm Sci, Lab Water Environm Syst Engn, Beijing 100012, Peoples R China

[3] NE Agr Univ, Life Sci Coll, Harbin 150030, Peoples R China

[4] NE Agr Univ, Coll Agr, Harbin 150030, Peoples R China

来源：

CHEMOSPHERE | 2011年 / 82卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Water extractable organic matter (WEOM); Municipal solid waste (MSW); FTIR spectra; UV-Vis spectra; Fluorescence spectra; EXCITATION-EMISSION MATRIX; HUMIC SUBSTANCES; FLUORESCENCE SPECTROSCOPY; UV SPECTROSCOPY; SLUDGE; FRACTIONS; MATURITY; DIFFERENTIATION; BIODEGRADATION; STABILITY;

D O I：

10.1016/j.chemosphere.2010.10.057

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This paper aims to characterize the evolution of water extractable organic matter (WEOM) during the composting of municipal solid waste (MSW), and investigate the correlation between maturity and WEOM characteristics. WEOM was extracted at different stages of MSW composting (0, 7, 14, 21, and 51 d) and characterized by FTIR, UV-Vis, and fluorescence spectroscopy. The results obtained show that the composting process decreased aliphatics, alcohols, polysaccharides, as well as protein-like materials, and increased aromatic polycondensation, humification, oxygen-containing functional groups, molecular weight, and humic-like materials. The maturity of MSW during composting was characterized by the presence of the peak with an excitation/emission wavelength pair of 289/421 nm in excitation-emission matrix spectra. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：541 / 548

页数：8

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