国家/地区 中国（18） 世界知识产权组织（4） 美国（2）
IPC部 B（24）
IPC大类 B01（24） C02（19） C01（5）
C04（3） C07（2） C10（2）
IPC小类 B01J（24） C02F（19） B01D（6）
C01B（5） C04B（3） C10B（2）
IPC B01J020/20（24）
发明人
公开年 2023（24）
申请年 2022（24）
专利权人

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

Electroplating wastewater adsorbent useful in wastewater treatment, comprises graphene oxide adsorption core, network-like composite crosslinked layer coated on the surface of the adsorption core, and sea urchin-like biological coke layer fixed on the surface of the composite crosslinked layer.

HOU J

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

Preparation of graphene biocarbon used for treating wastewater containing organophosphorus pesticides, involves adding straw powder to iron/zinc mixed solution, reacting in water bath, drying, pyrolyzing obtained straw and metal composite material, pickling, and freeze-drying.

ZHANG Y, ZHOU B, QIU L, YUAN R

pH-Independent two-component composition used for removing dye from aqueous system via pi-pi interactions, comprises modified aluminum hydroxide sludge and partially reduced graphene oxide.

JAYASUNDARA D R, NISSANKA N A A

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

Preparing modified sludge activated carbon for desulfurization and denitrification, VOCs gas adsorption, heavy metal ion adsorption in sewage, soil management field, involves using sludge particles, charring agents and binders as raw material, mixing raw materials.

TONG S

Making active molecular filters used in gas and water system to control and catalysis of air and water pollution, comprises taking substrate in reaction vessel, activating it, and functionalizing the substrate.

GORADIA P

Method for synthesizing medium for fast, selective oil-water separation and/or oil absorption, involves immersing porous wool-like structure in toluene solution containing polymer or its mixture, and heat-treating, where polymer or its mixture is adapted such that medium is superwetting material.

KANNARPADY G K, ABDULHUSSEIN A T, BIRIS A S