Characterization of particulate matter formed during sewage sludge pyrolysis

被引：19
|
作者：
Ko, Jae Hac [1 ]
Wang, Jingchen [1 ]
Xu, Qiyong [1 ]
机构：
[1] Peking Univ, Shenzhen Grad Sch, Sch Environm & Energy, Key Lab Ecoefficient Polysilicate Mat, Shenzhen 518055, Peoples R China
来源：
FUEL | 2018年 / 224卷
关键词：
Particulate matter; Sewage sludge; Pyrolysis; Inert gas flow rate; Heating rate; Temperature; POLYCYCLIC AROMATIC-HYDROCARBONS; ACTIVATED-SLUDGE; SOOT PARTICLES; COMBUSTION; BIOMASS; PAHS; PRODUCTS; SYNGAS; TEMPERATURES; MECHANISMS;
D O I：
10.1016/j.fuel.2018.02.189
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：
Particulate matter (PM) formation during sludge pyrolysis was investigated under different operating conditions. The impact of inert gas flow rate, heating rate, and sludge types on PM generation was examined. PM generated during sewage sludge pyrolysis varied with tested conditions and ranged from 1.14 wt% to 6.33 wt%. A PM characterization study revealed that carbon content decreased, but oxygen, sulfur, and phosphorus contents increased with increasing temperature. It was considered that the PM formation mechanism varied with different temperature ranges. The increase of inert gas flow and volatile content of sewage sludge promoted PM generation. The formation of PM could be reduced by a low inert gas flow rate, and with lower volatile content of sewage sludge.
引用
收藏
页码：210 / 218
页数：9
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