国家/地区 中国（6）
IPC部 B（6）
IPC大类 B01（6） C02（5）
IPC小类 B01D（6）
IPC B01D061/14（6）
发明人
公开年 2021（4）
申请年 2021（6）
专利权人

Lead ion selective adsorption polyacrylonitrile ultrafiltration membrane useful in field of lead ion wastewater treatment, comprises support layer and polyacrylonitrile separation layer (including nanoparticles surface-modified by phosphoramidate compound).

YU H, ZHANG Y, PAN G, LIU Y, ZHAO M

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

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

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

Preparing 5-chloro-4-acetamido-2-methoxy methyl benzoate involves adding N,N-dimethylformamide, methyl 4-acetamido-2-methoxybenzoate, and N-chlorosuccinimide into reaction kettle to obtain reaction solution, and keeping it in ice-water bath.

WANG J, WANG T

Preparing photocatalytic performance poly(m-phenyleneisophthalamide) mixed matrix film useful in catalytic degradation of methylene blue film by blending, comprises e.g. synthesizing graphene oxide-zinc oxide-silver nanocomposites.

CHEN G, XIE H, CHEN Z, LI Y, ZHANG H, MA W, HAN X, XU Z