国家/地区 中国（2）
IPC部 C（2）
IPC大类 C02（2）
IPC小类 C02F（2）
IPC C02F001/28（2） C02F009/02（2）
发明人 XIAO Y（2）
公开年 2021（2）
申请年 2020（2） 
专利权人 GANSU ACAD SCI（2）

Sewage purifying device comprises tank body divided into upper tank body and lower tank body, where water inlet is arranged on upper end of upper tank body, water outlet pipe is located at bottom of lower tank body, and upper tank body is provided with tank top.

ZHANG H, SHI Z, YIN X, XIAO Y, HAN J, WANG S, GAO S, WU Z, WEI Z

Preparing graphene composite material used for purifying sewage, by adding paste slurry made of e.g. graphene and thickener to three-dimensional printer, printing using direct writing-type three-dimensional printing, and freeze-drying.

ZHANG H, SHI Z, YIN X, XIAO Y, HAN J, WANG S, GAO S, WU Z, WEI Z