国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） C02（4）
IPC小类 B01J（4）
IPC B01J020/24（4）
发明人 YANG R（2）
公开年
申请年 2015（2） 
专利权人 UNIV SOUTH CHINA TECHNOLOGY（4）

Preparing amino thiourea functionalized graphene oxide/chitosan composite adsorbent used in waste water treatment containing heavy metal ions involves dispersing chitosan, reacting thiosemicarbazide and glutaric dialdehyde, and centrifuging.

GE H, WU W

Preparation of biomass-based hydrogel useful as organic dyes and heavy metal ion adsorption material, involves mixing sodium lignosulfonate and lignosulfonate with aqueous solution of graphene oxide, adding acrylamide, and reacting.

ZHANG Z, YANG R

Preparing modified graphene oxide/chitosan composite material for waste water treatment involves adding water in soluble disodium edetate, ultrasonic treating, adding glacial acetic acid, and ultrasonic stirring.

LUO H, ZHANG L

Preparing adsorbent, comprises e.g. adding pre oxidized graphite solid concentrated sulfuric acid, stirring adding potassium permanganate, incubating, dispersing to obtain preoxidized graphene suspension, heating and adding water.

YANG F, WANG B, WANG R, ZHANG Y, YANG R