from gas with compound alcohol-amine solution

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United States of America Patent

PATENT NO 9999852
SERIAL NO

15028260

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Abstract

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A method for removing SOx from a gas by using a compound alcohol-amine solution is provided. The compound alcohol-amine solution is made by mixing ethylene glycol and/or polyethylene glycol with hydroxyl and/or carboxyl organic compound having basic group containing nitrogen. The compound alcohol-amine solution is contacted with the gas containing SOx to absorb the SOx in the gas, wherein x=2 and/or 3. The compound alcohol-amine solution with absorbed SOx is regenerated by one or more of heating method, vacuum method, gas stripping method, ultrasonic method, microwave method, and radiation method to release by-products of sulfur dioxide and sulfur trioxide, and the regenerated compound alcohol-amine solution is recycled for use. This method can be used for removing SOx from flue gas, burning gas, coke-oven gas, synthesis waste gas from dyestuff plants, sewage gas from chemical fiber plants, and other industrial raw material gases or waste gases containing SOx.

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Patent Owner(s)

Patent OwnerAddress
PEKING UNIVERSITY100871 BEIJING THE SUMMER PALACE ROAD HAIDIAN DISTRICT NO 5 MUNICIPAL DISTRICT BEIJING CITY 100871
YONGFENG BOYUAN INDUSTRY CO LTD JIANGXI PROVINCETHE SOUTH SECTION OF YONGFENG INDUSTRIAL PARK YONGFENG JI'AN JIANGXI 331500
BEIJING BOYUAN HENGSHENG HIGH-TECHNOLOGY CO LTDROOM 2209 TRI-TOWER B BUILDING NO 66 ZHONGGUANCUN EAST ROAD HAIDIAN DISTRICT BEIJING 100190

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Li Jiangxi, CN 997 9317
Hu, Chun Beijing, CN 37 174
Li, Lifang Jiangxi, CN 8 26
Li, Xiangbin Jiangxi, CN 4 6
Liu, Jiaxu Beijing, CN 6 8
Sun, Shaoyang Beijing, CN 2 2
Sun, Yong Beijing, CN 134 963
Wan, Mingjin Jiangxi, CN 2 2
Wang, Jun Beijing, CN 2215 18848
Wei, Xionghui Beijing, CN 9 20
Xiao, Jianbai Beijing, CN 2 2
Zou, Meihua Beijing, CN 5 7

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