国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C02F101/10（4）
发明人
公开年 2022（2） 2023（2）
申请年 2021（2）  2022（2） 
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

Method of constructing a solar evaporator with graphene oxide involves immersing the sheet-like melamine sponge into graphene oxide solution, adding melamine sponge adsorb the graphene oxide solution to saturation into oven to dry to obtain melamine sponge and graphene oxide sample.

YANG J, XUE C, LI N, CHANG Q, SU J, HU S

Synchronously separating and recovering urea and phosphorus in fresh urine comprises e.g. taking alkaline calcium salt and adding in fresh urine, filtering to obtain calcium hydroxyphosphate and dephosphorized urine, and passing obtained dephosphorized urine into electrochemical separation device.

LIU Z, DAI X, XU L, WU D