国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D067/00（3） B01D069/12（2） B01D071/02（2）
发明人 ZHOU Z（3）
公开年 2021（2）
申请年 2020（3）
专利权人

Preparing graphene oxide (GO)-polysulfone (PSF) composite film selection layer for membrane bioreactor, by adding PSF particles to dimethylacetamide solution, adding GO particles, stirring, and forming casting liquid film on base film.

ZHOU Z, XU X, WU Q, ZHENG T, YUAN H, HAATO T

Preparing photocatalytic film useful for photocatalytic degradation of folic acid wastewater comprises dissolving titanium source, grinding, centrifuging, pre-treating polyvinylidene fluoride micro-filtration membrane.

GAO Y, ZHOU Z, ZHAO Y, XING Z, ZHANG Y, CAO F, WU Z, FU X, ZHANG M, LIU F

Graphene oxide composite nanofiltration membrane useful in water treatment, prepared by e.g. depositing middle layer of graphene oxide on surface of the modified graphene oxide in the lower layer and depositing upper layer.

LIU X, ZHANG Y, MA K, ZHU M, LIU P, ZHOU Z, DAI H