国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B01（3） C02（3） B82（2）
C01（2）
IPC小类 B01J（3）
IPC B82Y030/00（2） C02F001/30（2）
发明人 ZHANG C（3）
公开年 2018（3）
申请年 2018（3） 
专利权人 UNIV HENAN SCI TECHNOLOGY（3）

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

Preparation of flaky agglomerated small spherical nano tungsten trioxide powder for photocatalytic process, involves mixing ammonium metatungstate and graphene oxide solution, freezing, freeze-drying, heat-preserving and calcining.

WEI S, PAN K, ZHAO Y, ZHANG C, MAO F, CHEN C, XU L, ZHOU Y, LI X, WANG F, YANG Y, WANG C

Preparation of nano molybdenum trioxide powder for photocatalytic degradation, involves mixing ammonium tetramolybdate and graphene oxide solution, freezing with liquid nitrogen, freeze-drying, heat-preserving and calcining in furnace.

WEI S, PAN K, ZHAO Y, XU L, ZHANG C, MAO F, CHEN C, ZHOU Y, LI X, WANG F, YANG Y, WANG C