国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） C02（3）
IPC小类 B01D（4）
IPC B01D067/00（2） C02F101/30（2）
发明人 ZHANG J（4）
公开年 2022（4）
申请年 2021（2） 
专利权人

Preparation of nanofiltration membrane involves coating film casting liquid containing polymer on nonwoven fabric, contacting obtained base film with e.g. aqueous phase solution containing amine monomer to form polyamide functional layer, crosslinking, imidizing, post-treating, and drying.

LIU Z, ZHANG J, HU L, LIANG S, WANG B

Treating reverse osmosis concentrated water by using electrochemical water treatment device comprises e.g. oxidizing and decomposing macromolecular organic pollutants into small molecular pollutant, accumulating treated reverse osmosis concentrate in diversion bag, and flowing out from water outlet.

WANG Y, MA Y, ZHANG J, MA Q, CHU Y

Preparing composite film used in membrane water treatment e.g. microfiltration, involves providing graphene oxide doped electrolyte solution, immersing electropolymerized base film and applying positive potential to base film to initiate electropolymerization reaction.

ZHANG J, LIANG S

Graphene skid device for quick processing of oil and gas water, comprises gas-liquid pre-separating tank, ink oil water super-gravity separating coalescence device and graphene sewage fine processing device.

XUE D, ZHANG J, XU M, HE J, GAO J, YANG Y, ZHOU Z