国家/地区 中国（23）
IPC部 B（23） C（8）
IPC大类 B01（23） C02（7）
IPC小类 B01D（23）
IPC B01D069/08（23）
发明人 LI J（3） LIU S（3） LI S（2）
LI W（2） LIU B（2） LIU M（2）
MA L（2） REN G（2） SUN L（2）
WANG J（2） XUN H（2） YU D（2）
ZHANG J（2）
公开年 2021（15） 2022（7）
申请年 2021（23）
专利权人 HUADIAN WATE.（2） REN G（2） UNIV NANJING.（2） UNIV TIANJIN.（2）

Hollow fiber solvent-resistant nano-filtration membrane useful e.g. for separation and purification of organic solvent system, comprises base film and separation skin layer, where base film material is polyimide of generating crosslinking reaction with polyamine compound.

LIU S, LV X, JIANG Y, LI S, SU J, SU B

Hollow fiber nanofiltration membrane based on oxidized graphite, for use in solvent concentrations such as Hexane EtOH, IPA, DMF, MeOH, and ACN, comprises polyimide hollow fiber film and oxide graphene inner selection layer surface in polyimide base film.

XING W, SUN Y, LIU M, ZHANG C, SUN S

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

Manufacturing hollow fiber film used as polysulfone film, involves preparing film main unit, solvent, pore-forming agent, heating, stirring to form material liquid, and processing material liquid through conveying pump to spinning plate.

PENG Z, FANG L, CHANG Z, LIANG E

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

Preparing separation membrane comprises adding monomer, salt, solvent and entrainer under inert gas atmosphere into reaction kettle and then mixing with end-capping agent.

YANG J, LIU T, XU X, HU Y

Organic solvent nanofiltration membrane and/or organic solvent reverse osmosis membrane for nanofiltration of solvent, comprises composite mixed matrix material comprising solvent-resistant polymeric matrix with functional groups suitable for crosslinking, and inorganic material.

GAO Z, CHUNG T, NADERI A, WEI W, PAN G Z, TAIWIN C, WEIWAN, ZHONG T

Preparing supported polytetrafluoroethylene hollow fiber membrane with catalytic function comprises e.g. adding zinc oxide precursor zinc salt into polytetrafluoroethylene dispersion resin, adding lubricant and porogen, mixing, sintering, and mixing carbon nanomaterials with soluble zinc salt.

ZHAO X, HU J, ZENG X, LI J, AN K

Preparation of shaped hollow fiber ultrafiltration membrane used for treating coal chemical wastewater includes mixing organic solvent, polyvinylidene chloride resin, polymer pore forming agent, monolayer graphene oxide solution and additive to obtain casting solution.

WANG Y, RUI Y, LIU W, YANG S

Preparing membrane aerated biofilm rector hollow fiber composite membrane useful in membrane aerated biofilm rector sewage treatment, comprises placing substrate in solvent for pretreatment, mixing coating base material, catalyst, dispersant and reinforcing agent, and curing.

LI L, LI J