国家/地区 中国（9）
IPC部 B（9）
IPC大类 B01（9） C07（9）
IPC小类 B01J（9）
IPC C07C015/08（9）
发明人 FANG X（2） FENG X（2） HAN X（2）
LI X（2） LIU C（2） LIU X（2）
PAN Y（2） QIAO J（2） WANG Z（2）
XIE P（2） YAN C（2） YANG W（2）
YUAN Z（2）
公开年 2022（4） 2023（3）
申请年 2022（3）  2021（2）  2023（2） 
专利权人 CHINA PETROL.（3） CHINA PETROL.（3） CHINA PETROC.（2） SHANGHAI PET.（2）
WEIFANG HONG.（2）

Preparing high-purity m-xylene comprises e.g. contacting the mixed xylene with the adsorbent, discharging the raffinate, then contacting the desorbent with the adsorbed adsorbent, mixing the first part of m-xylene with the second part of m-xylene, cooling, crystallizing, and washing.

XIE P, YAN C, MENG L, FANG X, PAN Y, LI Z, XU X, LIU X

Catalyst used in preparation of toluene and xylene by alkylation of benzene and methanol, comprises graphene oxide-containing molecular sieves and metal oxides, where morphology of catalyst is multi-stage porous column.

ZOU W, REN S

Producing o-xylene comprises e.g. catalyzing 3-nitro-o-xylene by hydrogenation catalyst to generate 3-amino-o-xylene, hydrogenating into o-xylene and ammonia gas under catalytic action of hydrogen decomposing catalyst, absorbing ammonia gas by acid solution, and obtaining high-purity o-xylene.

JIA X, GAO X, FANG X, PAN Y, LIU X, XIE P, XUN Q, YAN C

Waste plastic hydrothermal coupling cascade catalytic system used for preparation of monocyclic aromatic hydrocarbon, comprises high temperature bearing reaction kettle body and ribbon type stirrer which allow material to enter hydro-thermal batch processing device through material inlet.

YU J, WANG S, WU K, WANG Y, ZHANG H

Preparing optionally substituted monocyclic aromatic hydrocarbons from optionally substituted furan, comprises contacting organic phase containing optionally substituted furan and ethylene with molecular sieve catalyst.

YANG W, LI X, WANG Z, FENG X, HAN X, XU R, LIU C, YUAN Z, QIAO J

Two-phase solvent system preparing 2,5-hexanedione by catalyzing and converting biomass, comprises organic solvent phase containing hydrophobic hydrogenation catalyst, and aqueous solution phase containing anions of VIIA elements.

YANG W, LI X, WANG Z, HAN X, FENG X, YUAN Z, QIAO J, LIU C, LAN D

Core-shell composite catalyst useful as catalyst in one-step preparation of p-xylene by syngas, comprises core with spinel structure catalyst, and shell has molecular sieve catalyst, and binder layer set between core and shell.

TAKA U, TSUBAKI N, YANG G, CHUN F, GAO C

Catalyst for directly converting synthesis gas to produce benzene, toluene and xylene, comprises composite catalyst comprising component containing metal oxide, and component containing ZSM-5 molecular sieve.

PAN X, MIAO D, BAO X, DING Y

Composite catalyst used for aromatic hydrogenation dealkylation process, comprises graphene oxide and zinc oxide, loaded palladium metal, and sodium, potassium and silver metals.

GAO Y, TAN H, ZHANG M, YU H