US 12,291,471 B2
Flocculant for catalytic decomposition of flue gas desulfurization wastewater treatment
Haiqun Chen, Changzhou (CN); Guangyu He, Changzhou (CN); Yi Cao, Changzhou (CN); Kun Wang, Changzhou (CN); Bin Ren, Changzhou (CN); Zhichun Cao, Changzhou (CN); Qun Chen, Changzhou (CN); Xingyue Qian, Changzhou (CN); Jiawei Xia, Changzhou (CN); and Jingjing Yuan, Changzhou (CN)
Assigned to Changzhou University, Changzhou (CN); and Changzhou ZhenBang Chemical Manufacturing Co., LTD., Changzhou (CN)
Filed by Changzhou University, Changzhou (CN); and Changzhou ZhenBang Chemical Manufacturing Co., LTD., Changzhou (CN)
Filed on Apr. 22, 2022, as Appl. No. 17/726,561.
Claims priority of application No. 202111584784.3 (CN), filed on Dec. 15, 2021.
Prior Publication US 2023/0183110 A1, Jun. 15, 2023
Int. Cl. C02F 1/56 (2023.01); B01D 21/01 (2006.01); C02F 1/52 (2023.01); C08F 20/56 (2006.01); C08F 26/02 (2006.01); C08L 33/26 (2006.01); C08L 39/02 (2006.01); C02F 103/00 (2006.01); C02F 103/18 (2006.01); C02F 103/28 (2006.01); C02F 103/30 (2006.01); C02F 103/34 (2006.01); C02F 103/36 (2006.01)
CPC C02F 1/56 (2013.01) [B01D 21/01 (2013.01); C02F 1/5236 (2013.01); C02F 1/5245 (2013.01); C08F 20/56 (2013.01); C08F 26/02 (2013.01); C08L 33/26 (2013.01); C08L 39/02 (2013.01); C02F 2103/007 (2013.01); C02F 2103/18 (2013.01); C02F 2103/28 (2013.01); C02F 2103/30 (2013.01); C02F 2103/343 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A flocculant for catalytic decomposition of flue gas desulfurization wastewater treatment comprising cationic polyacrylamide with a molecular weight of 100,000-500,000, inorganic polymer, and inorganic compound consisting of aluminum sulfate, zinc sulfate, and copper sulfate, wherein the cationic polyacrylamide is a copolymer and has a cation degree of 40-50% (mass ratio), wherein the ratio of the aluminum sulfate, the zinc sulfate, and the copper sulfate is 2:3:5.