国家/地区 中国（6）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 B01D（6）
IPC B01D071/68（6）
发明人
公开年 2021（3） 2022（2）
申请年 2021（6）
专利权人

Preparing reverse osmosis membrane useful for desalination of boron sea water, comprises e.g. contacting base film with polyamine monomer solution, obtaining polyamide layer, heating, immersing in diethanolamine solution, immersing reverse in carboxy activator solution, coating and post-treating.

LIANG S, HU L, XIAO J, LIU G, YANG X

Porous separation membrane with adsorption performance used in e.g. water pollution monitoring, comprises polymer layer and optional support layer, where surface and interior of polymer layer are three-dimensional fiber structures and adsorbent is dispersed in polymer layer.

YU H, ZHANG Y, PAN G, ZHU X, LIU Y

Mop cleaning bucket for rinsing and de-drying clean water by circulating and filtering sewage, has water column for drawing water from water purification area to clean mop cloth to form sewage that flows to water outlet through inclined surface.

WU C

Nano-silver composite treatment agent useful for improving anti-pollution ability of membrane bioreactor membrane, comprises nano-silver material prepared form e.g. silver nitrate, L-ascorbic acid and polyvinylpyrrolidone, and hydrophilic polymer prepared form e.g. polysulfone and graphene oxide.

ZHU H, WANG K, XIA W, DONG P, LIU A, SUN X

Preparing MXene-reduced porous graphene oxide (r-HGO) composite membrane with high flux and high removal rate involves adding graphite to mixed solution of sodium nitrate and concentrated sulfuric acid, and stirring.

LIU X, SUN K, GUO S, LIU T

High salinity and high hardness ground water materialization removal by using e.g. pre-precipitation adjusting tank, flocculation sedimentation tank, no valve filter tank, reverse osmosis system, and electrodialysis system process.

LV L, XU J, XU H, YUE K, WU L