蚯蚓处理对城市生活污泥水溶性有机物结构特性的影响

徐轶群; 熊慧欣; 赵海涛; 许健; 封克

环境化学

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徐轶群, 熊慧欣, 赵海涛, 许健, 封克. 蚯蚓处理对城市生活污泥水溶性有机物结构特性的影响[J]. 环境化学, 2010, 29(6): 1101-1105.

引用本文:

徐轶群, 熊慧欣, 赵海涛, 许健, 封克. 蚯蚓处理对城市生活污泥水溶性有机物结构特性的影响[J]. 环境化学, 2010, 29(6): 1101-1105.

XU Yiqun, XIONG Huixin, ZHAO Haitao, XU Jian, FENG Ke. STRUCTURE AND CHARACTERISTICS OF DISSOLVED ORGANIC MATTER DERIVED FROM SEWAGE SLUDGE AFTER TREATING BY EARTHWORM[J]. Environmental Chemistry, 2010, 29(6): 1101-1105.

Citation:

XU Yiqun, XIONG Huixin, ZHAO Haitao, XU Jian, FENG Ke. STRUCTURE AND CHARACTERISTICS OF DISSOLVED ORGANIC MATTER DERIVED FROM SEWAGE SLUDGE AFTER TREATING BY EARTHWORM[J]. Environmental Chemistry, 2010, 29(6): 1101-1105.

蚯蚓处理对城市生活污泥水溶性有机物结构特性的影响

1.
南京农业大学资源与环境学院, 南京, 210095;
2.
扬州大学环境科学与工程学院, 扬州, 225129
基金项目:
国家自然科学基金(40902018)

江苏省高校自然科学基础研究计划项目(08KJD610004)资助

STRUCTURE AND CHARACTERISTICS OF DISSOLVED ORGANIC MATTER DERIVED FROM SEWAGE SLUDGE AFTER TREATING BY EARTHWORM

1.
College of Resources and Environmental Sciences, Nangjing Agricultural University, Nangjing, 210095, China;
2.
College of Environmental Sciences and Engineering, Yangzhou University, Yangzhou, 225127, China
Fund Project:

摘要: 对蚯蚓处理前后污泥水溶性有机物的量及分子量比例进行了分析,同时采用傅立叶红外光谱(FTIR)和荧光光谱分析技术,研究了水溶性有机物的组成与结构特征变化.结果表明,和对照相比,污泥经蚯蚓处理后,水溶性有机物的含量和小分子有机物的比例增加,小分子物质含量增加12%.红外光谱和荧光光谱的结果表明,污泥经蚯蚓处理后,水溶性有机物中羧基和多糖类物质增加,芳香族类物质的量增多,产生了少量的蛋白质类物质.同时发现,蚯蚓处理使污泥水溶性有机物不饱和结构的多聚化或联合程度变小,水溶性有机物的结构变得更加简单,形成了更多的小分子有机物.
- 城市生活污泥 /
- 蚯蚓处理 /
- 水溶性有机物 /
- 光谱学特性
Abstract: In this paper, content and fraction of dissolved organic matter (DOM) according to molecular weight in sewage sludge were studied. Fourier transform infrared (FTIR) and fluorescence spectroscopy were used to investigate the composition of DOM derived from sewage sludge before and after treating by earthworms. It was found that the content and low molecular size fraction of DOM in sewage sludge increased after vermicomposting, and the fraction of relative low molecular weight in DOM increased by 12%. The FT-IR and fluorescence spectra showed that after vermicomposting, the contents of carboxyl, polysaccharide and aromatic compounds in DOM increased. Furthermore, a few protein-like matter was found in DOM after vermicomposting. The changes in FT-IR and fluorescence spectra for DOM indicated that polycondensation and conjugation unsaturated structures decreased after vermicomposting, and simple organic molecular fraction increased.
- sewage sludge /
- vermicomposting /
- dissolved organic matter /
- spectroscopy

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徐轶群, 熊慧欣, 赵海涛, 许健, 封克. 蚯蚓处理对城市生活污泥水溶性有机物结构特性的影响[J]. 环境化学, 2010, 29(6): 1101-1105.

引用本文:

徐轶群, 熊慧欣, 赵海涛, 许健, 封克. 蚯蚓处理对城市生活污泥水溶性有机物结构特性的影响[J]. 环境化学, 2010, 29(6): 1101-1105.

Citation:

蚯蚓处理对城市生活污泥水溶性有机物结构特性的影响

1. 南京农业大学资源与环境学院, 南京, 210095;
2. 扬州大学环境科学与工程学院, 扬州, 225129

收稿日期: 2010-03-23

基金项目:

国家自然科学基金(40902018)

江苏省高校自然科学基础研究计划项目(08KJD610004)资助

关键词:

摘要: 对蚯蚓处理前后污泥水溶性有机物的量及分子量比例进行了分析,同时采用傅立叶红外光谱(FTIR)和荧光光谱分析技术,研究了水溶性有机物的组成与结构特征变化.结果表明,和对照相比,污泥经蚯蚓处理后,水溶性有机物的含量和小分子有机物的比例增加,小分子物质含量增加12%.红外光谱和荧光光谱的结果表明,污泥经蚯蚓处理后,水溶性有机物中羧基和多糖类物质增加,芳香族类物质的量增多,产生了少量的蛋白质类物质.同时发现,蚯蚓处理使污泥水溶性有机物不饱和结构的多聚化或联合程度变小,水溶性有机物的结构变得更加简单,形成了更多的小分子有机物.

English Abstract

STRUCTURE AND CHARACTERISTICS OF DISSOLVED ORGANIC MATTER DERIVED FROM SEWAGE SLUDGE AFTER TREATING BY EARTHWORM

1. College of Resources and Environmental Sciences, Nangjing Agricultural University, Nangjing, 210095, China;
2. College of Environmental Sciences and Engineering, Yangzhou University, Yangzhou, 225127, China

Received Date: 2010-03-23

Fund Project:

Keywords:

Abstract: In this paper, content and fraction of dissolved organic matter (DOM) according to molecular weight in sewage sludge were studied. Fourier transform infrared (FTIR) and fluorescence spectroscopy were used to investigate the composition of DOM derived from sewage sludge before and after treating by earthworms. It was found that the content and low molecular size fraction of DOM in sewage sludge increased after vermicomposting, and the fraction of relative low molecular weight in DOM increased by 12%. The FT-IR and fluorescence spectra showed that after vermicomposting, the contents of carboxyl, polysaccharide and aromatic compounds in DOM increased. Furthermore, a few protein-like matter was found in DOM after vermicomposting. The changes in FT-IR and fluorescence spectra for DOM indicated that polycondensation and conjugation unsaturated structures decreased after vermicomposting, and simple organic molecular fraction increased.

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蚯蚓处理对城市生活污泥水溶性有机物结构特性的影响

STRUCTURE AND CHARACTERISTICS OF DISSOLVED ORGANIC MATTER DERIVED FROM SEWAGE SLUDGE AFTER TREATING BY EARTHWORM

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蚯蚓处理对城市生活污泥水溶性有机物结构特性的影响

English Abstract

STRUCTURE AND CHARACTERISTICS OF DISSOLVED ORGANIC MATTER DERIVED FROM SEWAGE SLUDGE AFTER TREATING BY EARTHWORM

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