Assessing amendment properties of digestate by studying the organic matter composition and the degree of biological stability during the anaerobic digestion of the organic fraction of MSW

被引：272

作者：

Tambone, Fulvia ^{[1
]}

Genevini, Pierluigi ^{[1
]}

D'Imporzano, Giuliana ^{[1
]}

Adani, Fabrizio ^{[1
]}

机构：

[1] Univ Milan, Dipartimento Prod Vegetale, I-20133 Milan, Italy

来源：

BIORESOURCE TECHNOLOGY | 2009年 / 100卷 / 12期

关键词：

Anaerobic digestion; Organic matter; Digestate; C-13 CPMAS NMR; Biological stability; WASTE; PLANT;

D O I：

10.1016/j.biortech.2009.02.012

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The transformation of organic matter during anaerobic digestion of mixtures of energetic crops, cow slurry, agro-industrial waste and organic fraction of municipal solid waste (OFMSW) was studied by analysing different samples at diverse points during the anaerobic digestion process in a full-scale plant. Both chemical (fiber analysis) and spectroscopic approaches (C-13 CPMAS NMR) indicated the anaerobic digestion process proceeded by degradation of more labile fraction (e.g. carbohydrate-like molecules) and concentration of more recalcitrant molecules (lignin and non-hydrolysable lipids). These modifications determined a higher degree of biological stability of digestate with respect to the starting mixture, as suggested, also, by the good correlations found between the cumulative oxygen uptake (OD20), and the sum of (cellulose + hemicellulose + cell soluble) contents of biomasses detected by fiber analysis (r = 0.99; P < 0.05), and both O-alkyl-C (r = 0.98; P < 0.05) and alkyl-C (r = -0.99; P < 0.05) measured by 13C CPMAS NMR. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：3140 / 3142

页数：3

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