国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） C02（4）
IPC小类 B01D（4）
IPC B01D069/08（4）
发明人
公开年 2022（4）
申请年 2021（2）  2022（2） 
专利权人

Porous polymeric membrane useful for removing impurities from liquid compositions e.g. alcohols and ammonium hydroxide comprises a polymer having mixed in it a carbonaceous material.

MIR A A, JABER J A, PATEL R B, BOUDREAU A, KALYANI V

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

High-throughput oxidation graphene hollow fiber composite nanofiltration membrane comprises ceramic, polymer hollow fiber, porous surface nanometer fiber, hydroxyapatite, titanium dioxide, polyaniline with specific diameter, and length.

WANG T, DUAN S, XU F, QU G, WANG C

Preparing hollow fiber braided tube filter membrane used for waste water reduction, by sequentially fixing photothermal conversion functional material and hydrophobic polymer on outer surface of hollow fiber braided tube using traction immersion modification technology and preparing filter membrane.

ZHANG Q, ZHANG X