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Performance and Regenerable Evaluation of Thermal Treatment Limonite for H2S Removal at Medium-high Temperature
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Ying SHI1, 2, Hanlin WANG2, Haibo LIU2, Dong CHEN2, Tianhu CHEN2
Journal of the Chinese Ceramic Society | 2022, 50(10) : 2668 - 2675
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Journal of the Chinese Ceramic Society | 2022, 50(10): 2668-2675
• Research Articles •
Performance and Regenerable Evaluation of Thermal Treatment Limonite for H2S Removal at Medium-high Temperature
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Ying SHI1, 2, Hanlin WANG2, Haibo LIU2, Dong CHEN2, Tianhu CHEN2
Affiliations
  • 1.School of Information Engineering, Anhui Finance &Trade Vocational College, Hefei, 230601, China
  • 2.School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, 230009, China

    • SHI Ying (1984-), female, Master, Lecturer. E-mail:

About Author:

SHI Ying (1984-), female, Master, Lecturer. E-mail:

Published: 2022-10-20 doi: 10.14062/j.issn.0454-5648.20220273
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Iron oxide dry desulphurization is an effective method for H2S removal. In this paper, three limonite materials from Yeshan, Xinqiao and Shao jilao iron mines were selected as desulfurizers for hydrogen sulfide removal. The effects of calcination temperature and reaction temperature on the desulfurization performance of limonite were investigated at medium-high temperatures, and a desulfurization cycle regeneration experiment was conducted. The removal mechanism of hydrogen sulfide was analyzed by X-ray diffraction, scanning electron microscopy and X-ray photoelectron spectroscopy. The results show that SJL-300 as an effective desulfurizer has a total desulfurization capacity of 1 525.7mg/g after seven cycles. In the evolution process of the reaction between limonite and hydrogen sulfide, pyrite and pyrrhotite are the desulfurization products at 300-400 ℃, while only pyrrhotite appears at > 500 ℃.

limonite  /  thermal treatment  /  hydrogen sulfide  /  desulfurization capacity  /  desulfurization mechanism
石莹, 王汉林, 刘海波, 陈冬, 陈天虎. 热处理褐铁矿高温脱硫性能及可再生性. 硅酸盐学报, 2022 , 50 (10) : 2668 -2675 . DOI: 10.14062/j.issn.0454-5648.20220273
Ying SHI, Hanlin WANG, Haibo LIU, Dong CHEN, Tianhu CHEN. Performance and Regenerable Evaluation of Thermal Treatment Limonite for H2S Removal at Medium-high Temperature[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (10) : 2668 -2675 . DOI: 10.14062/j.issn.0454-5648.20220273
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Year 2022 volume 50 Issue 10
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Article Info
doi: 10.14062/j.issn.0454-5648.20220273
  • Receive Date：2022-04-12
  • Online Date：2026-10-20
  • Published：2022-10-20
Article Data
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History
  • Received：2022-04-12
  • Revised：2022-05-07
Funding
Affiliations
    1.School of Information Engineering, Anhui Finance &Trade Vocational College, Hefei, 230601, China
    2.School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, 230009, China

Corresponding:

CHEN Tianhu (1962-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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