国家/地区 中国（51）
IPC部 B（51）
IPC大类 C02（51） B01（50） C01（4）
IPC小类 C02F（51） B01J（42） B01D（10）
C01B（4）
IPC C02F101/20（51）
发明人 LIU J（4） WANG X（4） WANG Y（4）
ZHANG J（4） BI Y（3） CHEN X（3）
HUANG Y（3） LI X（3） LIU Y（3）
ZHANG S（3） ZHU X（3） CAO Y（2）
CHEN H（2） DANG X（2） DOU W（2）
公开年 2019（26） 2020（21） 2021（4）
申请年 2019（51）
专利权人 UNIV HEFEI（3） BEIJING GRAP.（2） NUCLEAR IND .（2） UNIV SOUTH C.（2）
UNIV SOUTHWE.（2） UNIV ZHENGZH.（2）

Composite filter element useful in filter for emergency water supply, comprises multiple closely-connected hollow cylindrical filter layers, which are ceramic layer, composite adsorption layer, protective layer and activated carbon layer.

ZHANG K, WEI S, LIU M, BI Y, DU J

Treating heavy metal ions in industrial sewage by preparing adsorption material which is yeast/gel/high-iron fly ash composite material, treating industrial wastewater by precipitation, applying magnetic field, and electrolytically reducing.

HONG J

Filter for emergency water supply, has shell whose side wall is formed with water inlet, where bottom part of shell is formed with water outlet and center part of composite filter core is formed with central cavity for flowing out water supply flow.

ZHANG K, WEI S, LIU M, BI Y, DU J

Water purifying and absorbing material prepared by grafting or copolymerizing N-vinyl amide monomers on the matrix material, hydrolyzing, and adding functional compounds having epoxy and reacting to couple them to matrix material.

CHEN X, GUI Q, HU K, OUYANG Q, ZHANG J

Preparing polydopamine/graphene oxide fluffy nanofiber adsorbent, by mixing dopamine hydrochloride solution and graphene oxide dispersion liquid, soaking fluffy polyacrylonitrile nanofiber in reaction system, reacting, and freeze drying.

FENG Z, WU F, LI R, LI T, DU L, YUAN X

Preparing titanium and nitrogen-doped graphene quantum dot molecular sieve, comprises e.g. sonicating molecular sieve in ultrapure water, drying, then adding aqueous solution of polyacrylamide and tetrabutyl titanate, and post-processing.

ZHOU X, CHENG Z, WANG Y, YIN A, YANG X

Preparation of groundwater remediation materials involves modifying carbon fiber, feeding modified carbon fiber in container, adding graphene oxide, ascorbic acid and distilled water, mixing, and subjecting to vacuum freeze-drying.

XU K, ZHANG J, WEI H, YANG Y, XU H

Preparation of graphene magnetic aerogel in sewage treatment, by mixing graphene oxide solution, reducing agent and iron(II,III) oxide magnetic nanospheres, performing solvothermal reaction to generate hydrogel, washing and freeze-drying.

DANG A, WANG Y, LI T, ZHAO T, LI H, AI Y

Preparing lead adsorption magnetic oxide graphene composite material comprises e.g. adding iron(III) chloride hexahydrate and ferrous sulfate heptahydrate into prepared dispersion system, stirring, adding dipotassium phosphate and crushing.

LAN G, LI R, QIU H, ZHANG T

Sodium lignosulfonate/graphene oxide composite material useful for adsorbing chromium ions in wastewater treatment, comprises graphene oxide solution and sodium lignosulfonate solution.

SUN Y, LIU X, LV X, WANG T