国家/地区 中国（5）
IPC部 B（5）
IPC大类 B01（5） C02（5）
IPC小类 B01J（5）
IPC C02F001/28（5）
发明人 LIU H（5） LIU C（4） NIU Q（3）
CHENG Y（2） GAO X（2） ZHANG J（2）
公开年 2018（3）
申请年 2018（3） 
专利权人 UNIV HENAN SCI TECHNOLOGY（5）

Preparation of graphene/carrageenan aerogel used for removing organic dyes from printing and dyeing wastewater by mixing graphene oxide solution and carrageenan solution, stirring, adding vitamin C, ultrasonically dispersing, and molding.

LIU C, LIU H, GAO X, XIAO Y, ZANG B, HE Q, GONG J

Tannic acid-modified graphene/gelatin porous composite material useful as organic dye adsorbing material, obtained by mixing tannic acid, graphene oxide and de-ionized water, adding gelatin, adding crosslinking agent and freeze-drying.

LIU C, LIU H, XIONG T, LI Y, ZHOU Z, JING B, JIAN F

Preparing graphene-based double-network polyethylenimine-graphene oxide/sodium alginate composite material useful for dye adsorption, comprises e.g. preparing composite gel, immersing in calcium (II) solution, filtering and freeze drying.

LIU H, CHENG Y, LIU C, ZHANG Z, ZHANG C, ZHANG J, NIU Q

Preparing polyethylenimine-modified graphene oxide/carboxymethyl cellulose/polyvinyl alcohol (PEI-mGO/CMC/PVA) composite material involves using PEI-mGO, CMC and PVA as precursor, dispersing and dropping PEI-mGO in mixed solution.

LIU H, WANG X, GAO X, LIU C, YANG H, LI F, NIU Q

Preparing three dimensional graphene composite material for adsorbing heavy metal ions, involves performing oxidation of graphite powder using potassium permanganate and treating product with polyethyleneimine.

DU J, LIU H, NIU Q, ZHANG J, LIU Z, CHENG Y, ZHANG S