The utilization of sewage sludge by blending with coal water slurry

被引：64
|
作者：
He, Qihui [1 ,2 ]
Xie, Dong [1 ]
Xu, Renfu [1 ]
Wang, Tongwei [1 ]
Hu, Baixing [1 ,2 ]
机构：
[1] Nanjing Univ, Sch Chem & Chem Engn, Nanjing 210093, Jiangsu, Peoples R China
[2] Jiangsu Key Lab Vehicle Emiss Control, Nanjing 210093, Jiangsu, Peoples R China
来源：
FUEL | 2015年 / 159卷
关键词：
Sewage sludge; Coal-sludge slurry (CSS); Apparent viscosity; Rheological behaviour; Stability; GASIFICATION; TEMPERATURE; RESOURCE; ENERGY; FUELS;
D O I：
10.1016/j.fuel.2015.06.071
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The effects of blending sewage sludge on the properties of coal-sludge slurry (CSS), such as solid loading, apparent viscosity, rheological behaviour and stability, were systematically investigated. The size and morphology of particles, and grinding efficiency were analyzed. The experimental results showed that adding sewage sludge can improve the grinding efficiency and stability of slurry. CSSs prepared from Yanzhou coal, Jiangxinzhou sewage sludge and Yangzi sewage sludge exhibit pseudo-plastic behaviour with an apparent viscosity decreasing with increasing shear rate. Both CSSs, containing 10 wt% Jiangxinzhou sewage sludge and 15 wt% Yangzi sewage sludge, with about 60 wt% solid loading and 1200 mPa s apparent viscosity, are suitable for theirs handling in preparation, transport, storage, atomization, and combustion processes. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：40 / 44
页数：5
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