Simulating the transformation of heavy metals during coal or sewage sludge combustion

被引：6
|
作者：
Han, Jun [1 ]
Xu, Minghou
Yao, Hong
Furuuchi, Masami
Sakano, Takeo
Kim, Hee Joon
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Coal Combust, Wuhan 430074, Hubei, Peoples R China
[2] Kanazawa Univ, Grad Sch Nat Sci & Technol, Kanazawa, Ishikawa, Japan
[3] Toyohashi Univ Technol, Dept Ecol Engn, Toyohashi, Aichi, Japan
来源：
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING | 2007年 / 42卷 / 02期
基金：
中国国家自然科学基金;
关键词：
CFD; heavy metals; simulation; transformation;
D O I：
10.1080/10934520601011395
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A mathematical model (FPM) is presented to predict the transformation of heavy metals in the downstream of combustor or incinerator. The model accounts for the transformation of heavy metals through the combined effect of condensation,_nucleation, coagulation, external force and thermophoresis force. The calculation of heavy metals is embodied in the post-processor appended to Fluent soft. Before the simulation, velocity, temperature, PbCl2 concentration and other initial parameters are obtained by experiment. In addition, the transformation of PbCl2 is also experimentally studied. The comparison of experimental and predicted results indicate that the fine particle model (FPM) is valid for predicting the transformation of heavy metals in the downstream of incinerator or combustor.
引用
收藏
页码：217 / 224
页数：8
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