	US 11,987,513 B2
	Method for synergistic degradation treatment of polysaccharide-containing polymer wastewater by controllable—OH radical
Jinling Li, Shaanxi (CN); Tao Yu, Shaanxi (CN); Bo Yang, Shaanxi (CN); and Chengtun Qu, Shaanxi (CN)
Assigned to XI'AN SHIYOU UNIVERSITY, (CN)
Appl. No. 17/421,626
Filed by XI'AN SHIYOU UNIVERSITY, Shaanxi (CN)
PCT Filed Jul. 3, 2020, PCT No. PCT/CN2020/100112 § 371(c)(1), (2) Date Jul. 8, 2021, PCT Pub. No. WO2021/000930, PCT Pub. Date Jan. 7, 2021.
Claims priority of application No. 201910600881.3 (CN), filed on Jul. 4, 2019.
Prior Publication US 2022/0127171 A1, Apr. 28, 2022
Int. Cl. C02F 1/76 (2023.01); C02F 1/00 (2023.01); C02F 1/52 (2023.01); C02F 101/34 (2006.01); C02F 103/10 (2006.01)

CPC C02F 1/76 (2013.01) [C02F 1/004 (2013.01); C02F 1/5245 (2013.01); C02F 2001/007 (2013.01); C02F 2101/34 (2013.01); C02F 2103/10 (2013.01); C02F 2209/02 (2013.01); C02F 2209/08 (2013.01); C02F 2209/09 (2013.01); C02F 2209/10 (2013.01); C02F 2303/02 (2013.01); C02F 2305/023 (2013.01)]

11 Claims

1. A method for synergistic degradation treatment of polysaccharide-containing polymer wastewater by controllable —OH radical, characterized by including the following steps: a ferrous ion solution, an alkaline solution, and an oxidant solution are conveyed to a tubular reactor with a heating device through a metering pump connected thereto; after reacting at 45 to 70° C. for 30 to 90 seconds, the resulting reaction solution is immediately pumped into a reactor with a stirring device, together with polysaccharide-containing polymer wastewater, and reacts for 20 to 40 minutes under stirring; subsequently, the mixture settles in a sedimentation pond, is filtered by a filter, and then enters a clean water tank.