国家/地区 中国（3）
IPC部 C（3）
IPC大类 C02（3）
IPC小类 C02F（3）
IPC C02F001/28（3）
发明人 GAO S（3）
公开年 2021（2）
申请年 2020（2） 
专利权人 BAIYIN SHICH.（2） GANSU ACAD S.（2） UNIV LANZHOU.（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

Graphene water purifying multi-stage filter core device comprises e.g. a base, a primary filter core and a second level filter core, the first level filter core and the second level filter core have same structure.

ZHANG H, GAO S