Relationship between anaerobic digestion of biodegradable solid waste and spectral characteristics of the derived liquid digestate

被引：30
|
作者：
Zheng, Wei [1 ,2 ]
Lu, Fan [1 ,2 ]
Phoungthong, Khamphe [1 ,2 ]
He, Pinjing [2 ]
机构：
[1] Tongji Univ, State Key Lab Pollut Control & Resource Reuse, Shanghai 200092, Peoples R China
[2] Tongji Univ, Inst Waste Treatment & Reclamat, Shanghai 200092, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2014年 / 161卷
关键词：
Food waste; Lignocellulose waste; Fabric; Biplot; Humification; DISSOLVED ORGANIC-MATTER; EMISSION MATRIX SPECTROSCOPY; FLUORESCENCE EXCITATION; HUMIC SUBSTANCES; ABSORBENCY; SYSTEMS; MANURE;
D O I：
10.1016/j.biortech.2014.03.016
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The evolution of spectral properties during anaerobic digestion (AD) of 29 types of biodegradable solid waste was investigated to determine if spectral characteristics could be used for assessment of biological stabilization during AD. Biochemical methane potential tests were conducted and spectral indicators (including the ratio of ultraviolet-visible absorbance at 254 nm to dissolved organic carbon concentration (SUVA(254)), the ratio of ultraviolet-visible absorbance measured at 465 nm and 665 nm (E-4/E-6), and the abundance of fluorescence peaks) were measured at different AD phases. Inter-relationship between organic degradation and spectral indicators were analyzed by principle component analysis. The results shows that from methane production phase to the end of methane production phase, SUVA(254) increased by 0.16-10.93 times, the abundance of fulvic acid-like compounds fluorescence peak increased by 0.01-0.54 times, the abundance of tyrosine fluorescence peak decreased by 0.03-0.64 times. Therefore, these indicators were useful to judge the course of mixed waste digestion. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：69 / 77
页数：9
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