国家/地区 中国（3）
IPC部 C（3）
IPC大类 C02（3）
IPC小类 C02F（3）
IPC C02F009/02（3）
发明人 YAN L（3）
公开年 2015（2）
申请年 2015（2） 
专利权人

Graphene ultra-filtration membrane sewage treatment system comprises pre-processing module that filters large particle impurities in raw water, and filter that filters filtered clear liquid to obtain first clear liquid.

WANG D, YIN Y, TIAN H, YAN L, DENG N, ZHANG B, MU Y, MA X, YANG B, ZHANG X, DING C, WANG L, ZHAN H, XUE F, REN Q, ZHANG Z, WANG Z

Tap for filtering water, comprises water tap main body and water outlet position that is set with graphene filtering film, where water tap main body is set with filter screen, and is provided with annular groove.

YAN L

Graphene double level filter core has grade filters that are provided with coal grain and quartz sand grain, and non-woven cloth filter that is arranged between grade filters that are arranged close to water inlet and water outlet.

YAN L