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:
Sep. 09, 2025
Filed:
Aug. 30, 2022
Huaneng Clean Energy Research Institute, Beijing, CN;
Shiqing Wang, Beijing, CN;
Shiwang Gao, Beijing, CN;
Shisen Xu, Beijing, CN;
Ping Xiao, Beijing, CN;
Minhua Jiang, Beijing, CN;
Bin Huang, Beijing, CN;
HUANENG CLEAN ENERGY RESEARCH INSTITUTE, Beijing, CN;
Abstract
A method for desulfurizing and decarbonizing a flue gas includes: feeding a boiler flue gas after denitrating and dedusting to a water cooler; cooling the boiler flue gas in the water cooler to a temperature near room temperature, and discharging condensed water; feeding a wet flue gas to a washing tower; washing and cooling the wet flue gas with a washing liquid to separate HO, SOand COin a solid form from the flue gas; feeding a solid-liquid mixed slurry from a bottom of the washing tower to a solid-liquid separator to separate solid HO, SOand COfrom the washing liquid; feeding the solid HO, SOand COto a rectification separation column; separating COfrom SOand HO by a reboiler at a bottom of the rectification separation column; and discharging CO, SOand HO.