国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01J（4）
IPC B01J027/24（4）
发明人 ZHANG X（4）
公开年
申请年 2021（2） 
专利权人

Preparing catalyst used for preparing vanillic aldehyde and 4-methyl guaiacol, involves mixing metal nickel salt, cobalt salt, carbon source, and amine source in solvent in certain proportion, heating, stirring to form uniform jelly, and drying jelly to obtain the catalyst precursor.

CHEN L, ZHANG Q, ZHANG X, MA L, LIU J

Graphene-based nitrogen-doped hierarchical porous carbon-supported palladium catalyst for hydrorefining of crude terephthalic acid, comprises palladium element, graphene-based nitrogen-doped hierarchical porous carbon, and nitrogen element.

HE G, YANG Y, BIAN W, ZHANG X, ZHENG Q, YIN D

Resource utilization of canthaxanthin heterogeneous filter mother liquor involves taking isomerous filtering mother liquor containing canthaxanthin over-oxidizing impurity as reaction substrate, subjecting to deoxidizing and reducing reaction, under action of modified catalyst and reducing agent.

WANG J, ZHANG Y, SHEN H, ZHANG X, SONG J

Preparation of nitrogen-doped graphene-based porous carbon material by mixing graphite oxide, soluble sugar and water, ultrasonically dispersing, adding N,N'-dicyclohexylcarbodiimide, obtaining mixed solution and fully reacting.

DAI Y, MAI Y, ZHANG L, ZHONG B, WEN W, GAO M, GU K, ZHANG X, LIAO B