国家/地区 中国（4）
IPC部 C（4）
IPC大类 C02（4） C01（3）
IPC小类 C02F（4）
IPC C02F103/34（4）
发明人 ZHAN Z（2）
公开年 2023（4）
申请年 2022（2）  2023（2） 
专利权人

Recycling waste water in preparation of graphene useful in optical, electrical, mechanical, and micro-nano processing, comprises e.g. treating graphene acidic wastewater obtained by acid washing process, degrading and decomposing and mineralizing by semiconductor strong ionization.

ZHAN Z

Photoelectric two-electrode system used for degrading tetracycline hydrochloride, comprises molybdenum/zinc oxide/nickel fluoride sheet as anode, and zinc ferrite/graphene oxide/carbon cloth catalytic electrode film assembly as cathode.

GAO C, YU S, YANG S, HE T, WANG D

Zero-discharge treatment method for full resource utilization of waste acid in graphene production by e.g. adjusting supernatant pH to neutral by adding sulfuric acid, evaporating and concentrating by mechanical vapor recompression, crystallizing to obtain potassium sulfate, recycling water.

FENG X, FENG J, XIAO L, FENG S

Device used for extracting graphene, consists of stirring tank connected with feed tank and water tank, circulation pump connected to side of stirring tank through pipeline, pneumatic diaphragm pump, pressure filter device, oxidation catalytic device and filter device.

ZHAN Z