Chemical characteristics of dissolved organic matter during composting of different organic wastes assessed by 13C CPMAS NMR spectroscopy

被引：66
|
作者：
Caricasole, P. [2 ]
Provenzano, M. R. [1 ]
Hatcher, P. G. [2 ]
Senesi, N. [1 ]
机构：
[1] Univ Bari, Dipartimento Biol & Chim Agroforestale & Ambienta, I-70126 Bari, Italy
[2] Old Dominion Univ, Dept Chem & Biochem, Norfolk, VA 23529 USA
来源：
BIORESOURCE TECHNOLOGY | 2010年 / 101卷 / 21期
关键词：
Organic wastes; Composts; Dissolved organic matter; CPMAS C-13 NMR spectroscopy; MUNICIPAL SOLID-WASTE; CATTLE MANURE; GREEN WASTES; MATURITY; STABILITY; DECOMPOSITION;
D O I：
10.1016/j.biortech.2010.05.095
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
This research aimed at assessing the chemical changes occurring in DOM extracted from different composting substrates by means of C-13 CPMAS NMR spectroscopy. During composting a reduction of carbohydrates and an increase of aromatic, phenolic, carboxylic and carbonylic C were observed. The highest increase in alkyl C and the lowest increase in aromatic C were explained by the presence of hardly degradable pine needles in the substrate, whereas the highest reduction in carbohydrates and the highest increase of the alkyl C/O-alkyl C ratio were attributed to the presence of highly degradable materials such as spent yeast from beer production. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：8232 / 8236
页数：5
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