Effect of Turning on Moisture Content in Sewage Sludge Composting

被引：2
|
作者：
Hong, Nian [1 ,2 ]
Chen, Jun [1 ,2 ]
Zhang, Xue-hong [1 ]
Chen, Tong-bin [2 ]
机构：
[1] Guilin Univ Technol, Coll Environm Sci & Engn, Guilin, Peoples R China
[2] Chinese Acad Sci, Ctr Environ Remediat, Inst Geograp Sci & Nat Res, Beijing, Peoples R China
来源：
ENVIRONMENTAL BIOTECHNOLOGY AND MATERIALS ENGINEERING (2013) | 2013年 / 777卷
关键词：
sewage sludge; composting; turning; moisture content; WATER;
D O I：
10.4028/www.scientific.net/AMR.777.457
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Turning can supply oxygen and increase dewatering efficiency during the composting process. This study was conducted to investigate the influence of turning on water removal. In this study, different turning modes were used in different fermentation phases. Results showed that turning in thermophilic phase improve the efficiency of water removal; in cooling phase, higher turning frequency resulted in lower water removal; turning in temperature-increasing phase had no significant effect on water removal. Unturning in the temperature-increasing phase, turning once in the thermophilic phase, and turning every 4 days in the cooling phase achieved the best effects of water removal, the water reduction was 0.566 tons.ton(-1) matrix.
引用
收藏
页码：457 / +
页数：2
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