国家/地区 中国（5）
IPC部 B（5） C（4）
IPC大类 B01（5） C02（2） C10（2）
IPC小类 B01J（5）
IPC B01J020/30（5）
发明人 ZHANG C（5）
公开年 2019（5）
申请年 2018（5） 
专利权人 JINAN DEV ZO.（2）

Graphene composite material based method for preparing formaldehyde purifying agent, involves adding hydrazine hydrate solution, modified mixed powder, nano-zinc oxide/nano titanium dioxide composite material to precursor solution.

ZHANG C

Graphene-based heavy metal ion adsorption material contains maifan stone, sepiolite, glycine, sodium nitrate, ammonium bicarbonate, titanium dioxide, methylcellulose, talc powder, initiator, cross-linking agent and deionized water.

ZHANG C, CHE C

Graphene adsorbent useful for gasoline desulfurization comprises graphene, activated carbon, potassium permanganate solution, ammonia water, and zinc oxide.

ZHANG C

Adsorbent useful for desulfurizing crude oil, comprises graphene, limestone, potassium permanganate solution, ethanol solution and copper nitrate solution.

ZHANG C

Preparing adsorbent graphene oxide hydrogel, comprises e.g. ultrasonically dispersing carboxylated graphene oxide, then stirring with itaconic acid, adding e.g. hydroxypropyl-beta-cyclodextrin and hydroxybutyl chitosan, and reacting.

ZHANG C