国家/地区 中国（3）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D065/02（4）
发明人
公开年 2021（4）
申请年 2020（3） 
专利权人

System used for treatment of slop water recovered from wellbore operation, comprises treatment unit comprising inlet, filtration medium comprising particulate pack partially coated with zwitterionic polyelectrolyte, and arranged to separate portions of slop water stream comprising water, and outlet.

JAMISON D E, SHUMWAY W W, PEARL W C

High-efficiency eluting ceramic membrane device for use in graphene industry, has main gear engaged with auxiliary gear that is installed at bottom end of steel pipe, and drain pipe provided at side wall of sewage discharging cavity.

YANG C, HUANG L, CHEN D

Preparing and cleaning composite film with light responsiveness and temperature sensitivity comprises grafting polyvinylidene fluoride, using poly (vinylidene fluoride)-graft-poly(N-isopropylacrylamide) and graphene oxide, and blending.

CHEN L, CAO R, QIN M

Device for quickly infiltrating and cleaning membrane filaments, has electrode plate that is arranged in box portion at intervals, and direct current (DC) power supply is provided for cleaning power supply and connected to electrode plate.

HU F, CHEN C, LIN C, BU F