国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC B01J020/30（3） C02F001/28（3） B01J020/20（2）
B01J020/28（2） C01B032/184（2）
发明人 LIU Z（4）
公开年
申请年 2021（2） 
专利权人

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

Preparing graphene modified material comprises e.g. adding graphene, iron salt and ferrous salt into water, ultrasonic blending, annealing, cooling, filtering, modifying graphene, grafting filtering, washing, freezing and drying.

FAN L, GE D, DU J, LIU Z, CHENG Z, XING C

Preparing graphene nitrogen-doped porous carbon material for supercapacitor and organic pollutant adsorption, by mixing melamine, polyvinylpyrrolidone and ammonium chloride, grinding to obtain mixture, and calcining in air atmosphere.

REN B, XU Y, WANG S, ZHANG L, LIU Z

Preparation of nanocomposite material useful for e.g. adsorbing calcium and magnesium ions in water, involves weighing modified nano-graphene oxide/manganese dioxide composite, sodium silicate and diethylenetriamine and grinding.

WANG M, LIU Z