Co-combustion characteristics of sewage sludge with different rank bituminous coals under the O2/CO2 atmosphere

被引：19
|
作者：
Zhang, Yousong [1 ]
Zhang, Lihui [1 ]
Duan, Feng [1 ]
Jiang, Xiaoxiang [2 ]
Sun, Xiaoru [1 ]
Chyang, ChienSong [3 ]
机构：
[1] Anhui Univ Technol, Sch Energy & Environm, Maanshan 243002, Peoples R China
[2] Nanjing Normal Univ, Sch Energy & Mech Engn, Nanjing 210042, Jiangsu, Peoples R China
[3] Chung Yuan Christian Univ, Dept Chem Engn, Chungli 32023, Taiwan
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2015年 / 121卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Sewage sludge; Bituminous coal; Thermogravimetric analysis; O-2/CO2; PULVERIZED-COAL; COMBUSTION CHARACTERISTICS; SO2; EMISSIONS; PYROLYSIS; BIOMASS;
D O I：
10.1007/s10973-015-4582-4
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The effects of sewage sludge (SS) blended ratio, O-2/CO2 ratio, and type of bituminous coal on the co-combustion characteristics of SS with bituminous coals were investigated. Thermogravimetric analysis was used to analyze the co-combustion profiles. Results show that TG curve shifts to a lower temperature with increasing SS blended ratio and O-2/CO2 ratio. A distinct transition section exists at fixed carbon combustion of the blended fuels stage, and the temperature range of this transition section decreases significantly with increasing O-2/CO2 ratio. The combustion property indexes of blended fuel increase with increasing SS blended ratio and O-2/CO2 ratio. However, effect of O-2/CO2 ratio on increasing the overall co-combustion characteristics becomes smaller when the oxygen concentration exceeds 30 %. Comparing SS blended with Huaibei (HB) bituminous coal, the SS blended with Shenhua (SH) bituminous coal (high-rank bituminous coal) combustion has the good combustion performance.
引用
收藏
页码：729 / 736
页数：8
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