Authors:
Qiangqiang Ren Southeast University School of Energy and Environment Nanjing 210096 Jiangsu Province People’s Republic of China

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Changsui Zhao Southeast University School of Energy and Environment Nanjing 210096 Jiangsu Province People’s Republic of China

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Xin Wu Southeast University School of Energy and Environment Nanjing 210096 Jiangsu Province People’s Republic of China

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Cai Liang Southeast University School of Energy and Environment Nanjing 210096 Jiangsu Province People’s Republic of China

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Xiaoping Chen Southeast University School of Energy and Environment Nanjing 210096 Jiangsu Province People’s Republic of China

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Jiezhong Shen Wuxi Huaguang Boiler Co., Ltd Wuxi 214028 Jiangsu Province People’s Republic of China

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Zheng Wang Wuxi Huaguang Boiler Co., Ltd Wuxi 214028 Jiangsu Province People’s Republic of China

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Abstract  

The catalytic effects of iron, aluminum or silicon on the formation of NOX precursors (HCN, NH3 and HNCO) and HCl during wheat straw pyrolysis were studied using a thermogravimetric analyzer (TG) coupled with a Fourier transform infrared (FTIR) spectrometer in argon atmosphere. The results show that the presence of iron, aluminum or silicon decreases conversion of straw-N into NH3 with the sequence of Fe > Si > Al. The iron or silicon addition suppresses N-conversion into HCN and HNCO, and the aluminum addition has no notable influence on HCN emission during pyrolysis. The share of N-conversion to NH3 and HCN increases, but that to HNCO and NO decreases a little in the presence of added iron, aluminum or silicon. The addition of SiO2 results in the highest HCl removal efficiency.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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