国家/地区 中国（3）
IPC部 C（4） B（2）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C02F001/44（4）
发明人
公开年 2023（4）
申请年 2022（3） 
专利权人

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

Composition used for removing heavy metal ions from wastewater, comprises functionalized graphene oxide synthesized by functionalizing graphene oxide with coupling agent and functional group, and has high adsorption capacity and selectivity for heavy metal ions.

SAINI N, KADAM R B, MOHANA P, PATEL P B, SHARMA H K, DUBEY L, KARAJGI S, KUMAR P, PANWAR H, SUGANANDAM K

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

Quantum dot graphene antibacterial adsorption electrostatic spinning nano-filtration membrane comprises high molecular polymer solution, graphene quantum dot and dispersant, where dispersant is prepared by electrospinning and crosslinking high molecular polymer-graphene quantum dot spinning solution.

WANG L, HU X, QI X, ZHAO H, QU L