国家/地区 中国（6）
IPC部 B（7）
IPC大类 B01（7）
IPC小类 B01J（7）
IPC B01J027/14（7）
发明人 FENG B（2） GU L（2） XI P（2）
公开年 2023（2）
申请年 2021（2） 
专利权人 CHINA PETROL.（3）

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 a oxidation catalyst, comprises e.g. using aqueous solution containing boron and phosphorus to impregnate the carbonaceous material, drying and performing first roasting to obtain boron and phosphorus-doped carbon carrier and mixing with active metal component compound solution.

ZONG B, RONG J, DU Z, CHEN G, SUN Q, ZHAO H, ZHENG L

Solid acid catalyst comprises carbon-based carrier and heteroatom loaded on carbon-based carrier, where heteroatom is Group IIIA, Group VA and/or Group VIA elements, preferably boron, phosphorus and/or sulfur.

XI P, CHEN L, ZENG W, GU L, FENG B

2,5-dichlorotoluene isomerization catalyst useful for improving selectivity of 2,6 dichlorotoluene, comprises heteroatoms and carbon sources.

FENG B, GU L, XI P

Preparing porous heteroelement modified 2D-carbon material useful as catalyst in reaction of acetylene hydrochlorination to synthesize vinyl chloride comprises e.g. adding hetero element-containing ionic liquid to graphene or graphyne.

ZHAO J, YUE Y, FENG F, LI X, JIN C, FANG Z, NI J, WANG B, CHEN Z, ZHU W

Preparation of phosphorus-doped porous graphene used for catalyzing benzylamine, involves mixing templating agent with dispersion containing organic carbon and phosphorus source, removing solvent to obtain precursor mixture and calcining.

YANG F, FAN X, LI Y

New catalyst, useful for preparing levulinic acid or its esters from biomass, comprising functional groups consisting of phosphoric acid, sulfonic acid and carboxylic acid supported on graphene oxide support element.

DONG W H, JI W Y, JONG S C, PANDHARINATH U P, YOUNG K H, U HWANG L