国家/地区 中国（6）
IPC部 B（7）
IPC大类 B01（7）
IPC小类 B01D（7）
IPC B01D071/34（7）
发明人
公开年 2021（3） 2022（2） 2023（2）
申请年 2021（7）
专利权人 UNIV TIANJIN.（2）

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

Preparing high-throughput anti-pollution polyvinylidene fluoride hybrid ultrafiltration membrane used in wastewater, involves adding polyvinylidene fluoride, first catalyst and potassium hydroxide ethanol solution in reaction vessel, stirring uniformly to form mixed solution, stirring, reacting.

CHANG N, YAN B, WANG H

Membrane bioreactor wastewater processing system comprises anoxic tank for removing nitrogen in wastewater, and coagulation tank injecting coagulant into supernatant water introduced from second space portion of anaerobic tank.

JEONG S, JOSUNGKUN, LEE C, LEE J, CHOI J W

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

Preparing composite film for photocatalysis-photothermal film distillation comprises dissolving cerium nitrate and urea in distilled water, introducing polyvinylidene fluoride, and electrospunning spinning solution by electrospinning technology.

SHI J, HU W, HUANG Y, JU J, WANG C, LIU M, KANG W

Seawater desalination nanofiltration membrane comprises polyvinylidene fluoride, graphene chitosan composite nanoparticles, piperazine, and trimesoyl chloride.

WU S, LONG J, LI P, REN W

Preparing double-layer nano fiber film for water-oil separation, involves obtaining first layer of electrostatic spinning solution by using chitosan, obtaining second layer of spinning solution followed by electrostatic spinning.

SHAO W, ZHU Z, LIU J, HE S, JIANG L