Method for removing SOx from gas using polyol composite solution

US10207218B2 · kind B2 · utility

Assignees

• BEIJING BOYUAN HENGSHENG HIGH-TECHNOLOGY CO., LTD. · CN
• YONGFENG BOYUAN INDUSTRY CO., LTD., JIANGXI PROVINCE · CN
• Peking University · CN

Inventors

• Xionghui Wei · Beijing, CN
• Meihua Zou · Beijing, CN
• Jun Wang · Beijing, CN
• Li-Chun Chen · Baoshan, TW
• Lifang Li · Longbeilingcun, CN
• Yong Sun · Beijing, CN
• Jiaxu LIU · Beijing, CN
• Chun Hu · Beijing, CN
• Xiangbin Li · 恩江镇, CN

Key dates

• Filing date: Dec 3, 2014
• Grant date: Feb 19, 2019
• Expiry date: May 16, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02A50/20
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A method for removing SOx from 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 SOx to absorb the SOx in 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.