The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 19, 2019
Filed:
Dec. 03, 2014
Beijing Boyuan Hengsheng High-technology Co., Ltd, Beijing, CN;
Yongfeng Boyuan Industry Co. Ltd., Jiangxi Province, Ji'an, Jiangxi, CN;
Peking University, Beijing, CN;
Xionghui Wei, Beijing, CN;
Meihua Zou, Beijing, CN;
Jun Wang, Beijing, CN;
Li Chen, Jiangxi, CN;
Lifang Li, Jiangxi, CN;
Yong Sun, Beijing, CN;
Jiaxu Liu, Beijing, CN;
Chun Hu, Beijing, CN;
Xiangbin Li, Jiangxi, CN;
BEIJING BOYUAN HENGSHENG HIGH-TECHNOLOGY CO., LTD, Beijing, CN;
YONGFENG BOYUAN INDUSTRY CO. LTD., JIANGXI PROVINCE, Ji'an, Jiangxi, CN;
PEKING UNIVERSITY, Beijing, CN;
Abstract
A method for removing SOfrom a gas by using a polyol composite solution is provided. The polyol composite solution is made by mixing a polyol with an organic acid and/or organic acid salt, the polyol composite solution is brought into contact with the gas containing SOto absorb the SOin the gas, wherein x=2 and/or 3, and the polyol refers to an organic compound other than ethylene glycol and polyethylene glycol, which contains simultaneously two or more than two hydroxyl groups in a same organic molecule.