国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01J（4）
IPC B01J037/08（4）
发明人 ZHANG X（4）
公开年 2022（2）
申请年 2022（2） 
专利权人

Preparing catalyst useful for synthesizing caprolactam, comprises stirring and mixing raw materials including graphene oxide, phosphorus source and solvent, and subjecting mixture to solid-liquid separation, washing, drying, and roasting in nitrogen or inert gas atmosphere.

KONG M, HAN M, ZHANG X, DAI Y, XU L, DING K, GUO H, WANG G

Preparing membrane catalytic material useful in Knoevenagel condensation reaction comprises e.g. reacting, mixing graphene oxide dispersion liquid, organic amine and activator, carrying out dialysis treatment and ultrasonic treatment, and performing vacuum filtration.

ZHANG X, PANG S, JIANG L

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

Graphene-coated catalyst useful for encapsulating iron carbide particles and synthesizing gas to prepare low-carbon olefin, comprises glucose as a carbon source, ferric nitrate as an iron source, and potassium as an auxiliary agent.

WANG C, TIAN Z, CHEN L, WEN C, ZHANG X, LIU Q, MA L