国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01J（4）
IPC B01J023/889（4）
发明人 ZHANG J（2）
公开年 2021（4）
申请年 2021（2） 
专利权人

Preparing copper-containing catalyst comprises adding precursor in organic solvent, preparing metal nano-particle colloid by pyrolysis, adding porous carrier into metal nano-particle colloid, dipping under the action of electrostatic field and under action of no electrostatic field and drying.

FENG F, ZHANG Q, YUE Y, LI X, ZHAO J

Preparation of low temperature selective catalytic reduction activity modified filter material comprises preparing zirconium-manganese-iron oxide loaded on reduced graphene oxide and combining with e.g. polyphenylene sulfide fiber.

ZHENG Y, ZHOU M

Preparing carbon nanotube catalyst for carbon nanotube, involves mixing the active component solution, the inactive component solution and the carbon carrier to obtain the precursor solution, and removing the solvent.

CAO Y, ZHANG J, LI Y, YU J, SONG X, LI J

Preparing cigarette butt based graphene composite material, comprises e.g. purifying waste cigarette butt, and reacting with nickel foam, methacrylic acid, manganese(II) chloride hydrate and iron(III) nitrate nonahydrate.

LI W, WU Y, ZHANG J, ZHAO D