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Removal of Formaldehyde by Thermally Activated Attapulgite at Room Temperature
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Yi ZHAO, Tianhu CHEN, Can WANG, Xuehua ZOU, Haibo LIU, Dong CHEN, Zhengyan Han, Shiwei Dong
Journal of the Chinese Ceramic Society | 2021, 49(6) : 1176 - 1184
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Journal of the Chinese Ceramic Society | 2021, 49(6): 1176-1184
Removal of Formaldehyde by Thermally Activated Attapulgite at Room Temperature
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Yi ZHAO, Tianhu CHEN, Can WANG, Xuehua ZOU, Haibo LIU, Dong CHEN, Zhengyan Han, Shiwei Dong
Affiliations
  • Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, School of Resources & Environmental EngineeringHefei University of Technology, Hefei 230009, China

    • ZHAO Yi (1996-), male, Master candidate. E-mail:

About Author:

ZHAO Yi (1996-), male, Master candidate. E-mail:

Published: 2021-06-20 doi: 10.14062/j.issn.0454-5648.20200740
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The effects of attapulgite thermally activated at different temperatures, formaldehyde concentration and gas residence time on the formaldehyde removal efficiency were investigated. The reaction mechanism of formaldehyde on the surface of attapulgite particles was investigated by In-situ-diffuse reflectance infrared spectroscopy. The results show that attapulgite (Pal-250) thermally activated at 250℃ has an optimum formaldehyde removal rate. Oxygen enhances the removal of formaldehyde in the presence of Pal-250, indicating that the removal mechanism of attapulgite thermally activated for formaldehyde is physical adsorption and the catalytic mineralization process. The adsorbed formaldehyde can be partially mineralized into methylene dioxymehtylene, formate, carbonate and other species.

thermal activation  /  attapulgite  /  formaldehyde  /  physical adsorption  /  catalytic reaction
赵亿, 陈天虎, 王灿, 邹雪华, 刘海波, 陈冬, 韩正严, 董仕伟. 热活化凹凸棒石室温下净化空气中甲醛. 硅酸盐学报, 2021 , 49 (6) : 1176 -1184 . DOI: 10.14062/j.issn.0454-5648.20200740
Yi ZHAO, Tianhu CHEN, Can WANG, Xuehua ZOU, Haibo LIU, Dong CHEN, Zhengyan Han, Shiwei Dong. Removal of Formaldehyde by Thermally Activated Attapulgite at Room Temperature[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (6) : 1176 -1184 . DOI: 10.14062/j.issn.0454-5648.20200740
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Year 2021 volume 49 Issue 6
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Article Info
doi: 10.14062/j.issn.0454-5648.20200740
  • Receive Date：2020-09-30
  • Online Date：2026-10-30
  • Published：2021-06-20
Article Data
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History
  • Received：2020-09-30
  • Revised：2020-11-10
Funding
Affiliations
    Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, School of Resources & Environmental EngineeringHefei 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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