国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） C02（4）
IPC小类 B01D（4）
IPC B01D039/20（2） B01D067/00（2） B01D069/12（2）
C02F001/00（2） C02F001/28（2） C02F001/44（2）
C02F101/20（2） C02F101/30（2）
发明人 LIU M（4）
公开年 2021（4）
申请年 2019（2）  2021（2） 
专利权人 NUCLEAR IND .（2）

Preparing composite film for photocatalysis-photothermal film distillation comprises dissolving cerium nitrate and urea in distilled water, introducing polyvinylidene fluoride, and electrospunning spinning solution by electrospinning technology.

SHI J, HU W, HUANG Y, JU J, WANG C, LIU M, KANG W

Preparing graphene oxide-polyvinylidene fluoride composite hollow fiber film used for sewage treatment and purification of tap water, involves pre-processing polyvinylidene fluoride film wire by using polyethylene imine to obtain film wire.

CHEN Y, ZHANG J, LI S, WEI J, MO H, XUE Y, MENG J, LIU M

Composite filter element useful in filter for emergency water supply, comprises multiple closely-connected hollow cylindrical filter layers, which are ceramic layer, composite adsorption layer, protective layer and activated carbon layer.

ZHANG K, WEI S, LIU M, BI Y, DU J

Filter for emergency water supply, has shell whose side wall is formed with water inlet, where bottom part of shell is formed with water outlet and center part of composite filter core is formed with central cavity for flowing out water supply flow.

ZHANG K, WEI S, LIU M, BI Y, DU J