国家/地区 中国（3）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01J（4）
IPC B01J023/755（4）
发明人
公开年 2022（2）
申请年 2020（4）
专利权人

Purifying raw material of olefin metathesis reaction comprises contacting raw material for olefin metathesis reaction with metal particle mixture to remove catalyst toxic impurities to obtain purified raw material.

HAN Y H, LEE H J, KIM H R, SHIN H K, RO J

Preparing hexanedione by catalytic hydrogenation of lignocellulose comprises e.g. adding microcrystalline cellulose, liquid acid aqueous solution and graphene carbon nanotube/carbon shell wrapped metal catalyst to reaction vessel, and using hydrogenation reaction.

WANG C, ZHANG Q, WANG H, MA L, LIANG Y, LIU Q

Preparing catalyst comprises loading auxiliary agent center on carrier to obtain catalyst precursor A loaded with catalytic active center to obtain catalyst precursor B and covering catalyst precursor B outer surface with protective layer.

YU L, FANG W, DONG J, ZHANG Y, ZHENG B, ZHANG H

Preparing transition metal hydroxide-graphene composite material used for photocatalytic reduction of carbon dioxide to produce carbon monoxide, by dispersing graphene oxide, ultrasonically processing, and adding transition metal nitrate.

XU Y, TANG Z, LU K