国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01J031/06（2）
发明人 ZHANG Y（2）
公开年
申请年 2020（2） 
专利权人

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

Preparing film capable of releasing negative oxygen ions by adding nano-titanium dioxide to absolute ethanol, dispersing, preparing graphene oxide sol, stirring, adding polyvinylpyrrolidone, dispersing, coating on glass sheet and drying.

LIU H, XIE Y, ZHANG Y