国家/地区 中国（5）
IPC部 C（5）
IPC大类 C01（5） C02（5） B01（3）
IPC小类 C01B（5）
IPC C02F001/44（5）
发明人 WANG L（2）
公开年 2023（3） 2022（2）
申请年 2022（5）
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

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

Synthesizing graphene oxide and silver molybdate composite macroscopic assembly for use as separation membrane material, involves dropping graphene oxide into silver nitrate solution, adding ammonium molybdate to obtained solution, adding nitric acid solution and performing hydrothermal reaction.

XU Y, CAO X, WANG L, XU K, ZHU L

Preparation of hybrid graphene oxide material used for preparing nanofiltration membrane for filtering dye, involves mixing graphene oxide aqueous dispersion and composite nanosphere aqueous dispersion, and preparing composite nanosphere hybrid graphene oxide material from obtained dispersion.

WANG M, ZOU R, YANG Z, LI Y, SHANG S, CHEN C, LI R, XIAO G