Release of HCl and H<sub>2</sub>S during gasification of refuse derived-fuel chars

YANG Wen-shen; LIN Jun-heng; YIN Xiu-li; WU Chuang-zhi

Volume 47 Issue 1

Jan. 2019

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YANG Wen-shen, LIN Jun-heng, YIN Xiu-li, WU Chuang-zhi. Release of HCl and H2S during gasification of refuse derived-fuel chars[J]. Journal of Fuel Chemistry and Technology, 2019, 47(1): 121-128.

Citation:

YANG Wen-shen, LIN Jun-heng, YIN Xiu-li, WU Chuang-zhi. Release of HCl and H₂S during gasification of refuse derived-fuel chars[J]. Journal of Fuel Chemistry and Technology, 2019, 47(1): 121-128.

YANG Wen-shen, LIN Jun-heng, YIN Xiu-li, WU Chuang-zhi. Release of HCl and H2S during gasification of refuse derived-fuel chars[J]. Journal of Fuel Chemistry and Technology, 2019, 47(1): 121-128.

Citation:

YANG Wen-shen, LIN Jun-heng, YIN Xiu-li, WU Chuang-zhi. Release of HCl and H₂S during gasification of refuse derived-fuel chars[J]. Journal of Fuel Chemistry and Technology, 2019, 47(1): 121-128.

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Release of HCl and H₂S during gasification of refuse derived-fuel chars

1.
Key Laboratory of Renewable Energy, CAS, Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Funds:

the National Key R&D Program of China 2016YFE0203300

the Guangdong Natural Science Foundation 2017B030308002

Science and Technology Program of Guangzhou 201707010242

Received Date: 2018-09-07
Rev Recd Date: 2018-11-23

Available Online: 2021-01-23

Publish Date: 2019-01-10

Abstract

Abstract

Using a horizontal tubular reactor together with chemical adsorption, release characteristics of corrosive gases, viz., HCl and H₂S, during steam and CO₂ gasification process of aged and normal refuse derived-fuels char (ARC and NRC) were investigated. Effects of gasification temperature, type and flow rate of gasification medium on their release behaviors were examined. In H₂O gasification at 950℃ the carbon gasification rates, HCl and H₂S yields of ARC are 66.1%, 100% and 74.9%, respectively, and those are 77.8%, 100% and 2.9% in CO₂ gasification, respectively. The carbon gasification rates, HCl and H₂S yields of NRC in H₂O gasification are 98.8%, 100% and 53.7%, and those are 100%, 96.2% and 10.3% in CO₂ gasification, respectively. The release characteristics of HCl and H₂S are investigated with different flow rates of H₂O and CO₂ in the NRC gasification. HCl and H₂S yields of NRC increase with increasing flow rate of H₂O, but the promoting effect can be ignored when H₂O/C is ≥ 3.3. HCl yield of NRC increases but H₂S yield decreases with increasing flow rate of CO₂.
- HCl,
- H₂S,
- aged refuse derived-fules char,
- normal refuse derived-fuels char,
- gasification

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References(27)

References

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