Thermogravimetric characteristics of textile dyeing sludge, coal and their blend in N2/O2 and CO2/O2 atmospheres

被引：57
作者：
Zhuo, Zhongxu [1 ]
Liu, Jingyong [1 ,2 ]
Sun, Shuiyu [1 ]
Sun, Jian [1 ,2 ]
Kuo, Jiahong [1 ,2 ]
Chang, Kenlin [1 ,2 ]
Fu, Jiewen [1 ]
Wang, Yujie [1 ,2 ]
机构：
[1] Guangdong Univ Technol, Sch Environm Sci & Engn, Guangzhou 510006, Guangdong, Peoples R China
[2] Guangdong Univ Technol, Inst Environm Hlth & Pollut Control, Guangzhou 510006, Guangdong, Peoples R China
来源：
APPLIED THERMAL ENGINEERING | 2017年 / 111卷
基金：
中国国家自然科学基金;
关键词：
Textile dyeing sludge; Coal; Oxy-fuel combustion; Thermogravimetric analysis; Kinetics; PAPER-MILL SLUDGE; THERMAL-ANALYSIS; SEWAGE-SLUDGE; WASTE-WATER; COMBUSTION PROCESS; KINETIC-ANALYSIS; OXY-FUEL; COCOMBUSTION; PYROLYSIS; MICROALGAE;
D O I：
10.1016/j.applthermaleng.2016.09.089
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The combustion characteristics of textile dyeing sludge (TDS) and coal under an air atmosphere and their mixture under N-2/O-2 and CO2/O-2 atmospheres were analyzed using a thermogravimetric instrument. The results revealed that the TG-DTG of coal had a weight loss peak and TDS had five weight loss peaks, while their blend (80coal + 2QTDS) had a distinct peak because coal had a more formidable combustion efficiency than TDS. With an increase in the oxygen concentration, the combustion characteristics of the mixture improved in both N-2/O-2 and CO2/O-2 atmospheres, while certain negative effects existed for the combustion of the mixture in CO2/O-2 atmospheres. Increasing O-2 concentration up to 30%, the co-combustion of the blend in both N-2/O-2 and CO2/O-2 atmospheres, resulted in combustion profiles similar to or better than that of coal burning in air atmosphere. When O-2 concentration reached 60%, the negative effects of the blend burning in CO2/O-2 atmospheres declined. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：87 / 94
页数：8
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