Utilization of solar energy in sewage sludge compositing: Fertilizer effect and application

被引：55

作者：

Chen, Yiqun ^{[1
]}

Yu, Fang ^{[1
]}

Liang, Shengwen ^{[1
]}

Wang, Zongping ^{[1
]}

Liu, Zizheng ^{[1
]}

Xiong, Ya ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Environm Sci & Engn, Wuhan 430074, Peoples R China

来源：

WASTE MANAGEMENT | 2014年 / 34卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Solar energy; Sludge; Compost; Fertilizer effect; Pot experiments; DIFFERENT ORGANIC WASTES; AMMONIA EMISSIONS; AERATION RATE; PIG-MANURE; NITROGEN; CARBON; MATURITY; TRANSFORMATION; OPTIMIZATION; RESIDUES;

D O I：

10.1016/j.wasman.2014.06.029

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Three reactors, ordinary, greenhouse, and solar, were constructed and tested to compare their impacts on the composting of municipal sewage sludge. Greenhouse and solar reactors were designed to evaluate the use of solar energy in sludge composting, including their effects on temperature and compost quality. After 40 days of composting, it was found that the solar reactor could provide more stable heat for the composting process. The average temperature of the solar reactor was higher than that of the other two systems, and only the solar reactor could maintain the temperature above 55 degrees C for more than 3 days. Composting with the solar reactor resulted in 31.3% decrease in the total organic carbon, increased the germination index to 91%, decreased the total nitrogen loss, and produced a good effect on pot experiments. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：2014 / 2021

页数：8

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