国家/地区 中国（57）
IPC部 B（57）
IPC大类 B01（57） C02（57） C08（5）
C01（4） G01（2）
IPC小类 B01J（57）
IPC B01J020/28（57）
发明人 HU J（4） LIU S（4） WANG Y（4）
WANG Z（4） CHEN X（3） CHEN Z（3）
LI X（3） LIU H（3） MU J（3）
WANG L（3） WANG S（3） XU J（3）
ZHANG W（3） ZHAO J（3） CHEN Y（2）
公开年 2022（39） 2023（18）
申请年 2022（57）
专利权人 UNIV WUYI（3） UNIV HANGZHO.（2） UNIV SHANDON.（2） UNIV TAIZHOU（2）

Preparing nitrogen-doped reduced graphene oxide- based aerogel with a highly regularized structure used in adsorption material, comprises mixing graphene, nitrogen containing compound and reducing agent, performing gelation reaction to obtain hydrogel precursor; drying, carbonizing and cooling.

ZHANG R, MENG Q

Preparation of ion-graphene oxide decolorizer involves mixing graphene powder and sodium nitrate, adding concentrated sulfuric acid, stirring in an ice-water mixed liquid bath environment, and adding deionized water.

HUANG B, ZHANG M, DU J, HU C, HUA L

Treatment of chromium-containing wastewater involves using lignin-based composite aerogel as adsorbent material, adjusting pH of chromium-containing wastewater, and removing hexavalent chromium-ion in wastewater.

ZHANG Y, ZHAO X, CHU R, GUO X

Removing hexavalent chromium ions in aqueous phase, comprises adjusting pH of chromium-containing wastewater to be treated, adding carbon nitride/graphene oxide composite airgel as adsorbent to carry out adsorption and removal of hexavalent chromium ions.

XI Y, LI M, GUO X

Preparing sewage treatment agent for heavy metal treatment, comprises dispersing aminated magnetic graphene oxide in distilled water, adding glutaraldehyde solution, adding amino-terminated hyperbranched polymer after ultrasonic treatment, stirring, centrifuging, precipitating, washing, and drying.

XUE J, ZHANG Y, TENG J, CHENG Y

Sepiolite-graphene oxide/chitosan composite gel sphere used as adsorbent in treatment of cationic dye wastewater, comprises chitosan gel spheres as base, and sepiolite and graphene oxide dispersed in chitosan gel spheres.

LEI Z, QI Y, WU T, LI S, MU X, XU Y, ZHANG W

Preparing nano-magnetic graphene oxide-polyaniline composite material used to adsorption and purification of heavy metal ions and organic dyes, involves taking magnetic graphene oxide, adding aniline and hydrochloric acid, stirring ultrasonically, and controlling mixing temperature.

DONG L, GUO G, ZHANG R, QU S, WANG Y

Purifying water using graphene-based composite material comprises e.g. preparing graphene oxide using improved Hummers method, preparing additive material bismuth tungstate, preparing additive material organic aluminum silicate, organizing aluminum silicate, and preparing magnetic graphene oxide.

MA R

Preparation of composite aerogel adsorbent for absorbing organic pollutants in sewage, involves mixing e.g. ammonium persulfate and N,N-methylene acrylamide, adding polyethyleneimine aqueous solution, adding to suspension obtained by mixing acrylamide and graphene oxide suspension, and reacting.

ZOU Y, LIU X, LIU H

Graphene oxide composite hydrogel used for adsorbing heavy metals, is made of graphene oxide, polyethylene glycol-containing hyperbranched polyester copolymer and poly(trans-4-carbonyl-4-(thiophene-2-yl)but-2-enoic acid).

XU C, HUA M, ZENG L