公开(公告)号：US20240051899A1

公开(公告)日：2024-02-15

申请号：US18270921

申请日：2022-01-13

Applicant: ENEOS CORPORATION

Inventor： Yasuhiro ARAKI ,  Atsushi SEGAWA ,  Yasuyuki IWASA ,  Tai OHUCHI ,  Kazuya MAYUMI ,  Yukihiro YOSHIWARA

IPC: C07C5/03 ,  C07C13/465 ,  C07C5/48 ,  B01J23/42

CPC classification number: C07C5/03 ,  C07C13/465 ,  C07C5/48 ,  B01J23/42 ,  C07C2602/08

Abstract: Provided is a production method for indan and hydrindane, including a reaction step of introducing a raw material composition including tetrahydroindene into a continuous reactor including a solid catalyst containing platinum, and bringing the raw material composition into contact with the solid catalyst under the conditions of 150° C. to 350° C. to obtain a reaction product including indan and hydrindane, in which the amount (mol/min) of hydrogen molecules is 5 times or less the amount (mol/min) of tetrahydroindene, and the amount (mol/min) of oxygen molecules is 0.1 times or less the amount (mol/min) of tetrahydroindene.

公开(公告)号：US20210009487A1

公开(公告)日：2021-01-14

申请号：US17042536

申请日：2019-03-19

Applicant: ENEOS Corporation

Inventor： Ai MINODA ,  Masanari AKIYAMA ,  Yasuhiro ARAKI

IPC: C07C5/41 ,  C07C2/52

Abstract: A method for producing p-xylene, comprising: a dimerization step of bringing a first raw material comprising isobutene into contact with a dimerization catalyst to generate C8 components comprising diisobutylene; a cyclization step of bringing a second raw material comprising the C8 components into contact with a dehydrogenation catalyst comprising Pt in the presence of water to obtain a reaction product comprising p-xylene; and a collection step of collecting p-xylene from the reaction product.

公开(公告)号：US20210009488A1

公开(公告)日：2021-01-14

申请号：US17042522

申请日：2019-03-19

Applicant: ENEOS Corporation

Inventor： Ai MINODA ,  Masanari AKIYAMA ,  Yasuhiro ARAKI ,  Masakazu IKEDA ,  Mayumi YOKOI

IPC: C07C5/41 ,  C07C2/16 ,  C07C2/18

Abstract: A method for producing p-xylene, comprising: a dimerization step of bringing a first raw material comprising isobutene into contact with a dimerization catalyst to generate C8 components comprising diisobutylene; a cyclization step of bringing a second raw material comprising the C8 components into contact with a dehydrogenation catalyst comprising Pt in the presence of hydrogen to obtain a reaction product comprising p-xylene; and a collection step of collecting p-xylene from the reaction product.

公开(公告)号：US20210214288A1

公开(公告)日：2021-07-15

申请号：US17272787

申请日：2019-09-02

Applicant: ENEOS CORPORATION ,  THE UNIVERSITY OF TOKYO ,  KOGAKUIN UNIVERSITY

Inventor： Hideo TSUNEOKA ,  Yasuyuki IWASA ,  Yasuhiro ARAKI ,  Kazu OKUMURA ,  Masaru OGURA

IPC: C07C2/12 ,  C10G35/095

Abstract: A method for producing a monocyclic aromatic hydrocarbon having 6 to 8 carbon atoms, including bringing a raw material which contains a light hydrocarbon having 2 to 7 carbon atoms as a main component into contact with a catalyst composition for producing a monocyclic aromatic hydrocarbon having 6 to 8 carbon atoms. The catalyst composition for producing a monocyclic aromatic hydrocarbon having 6 to 8 carbon atoms is coated with an amorphous silicon oxide compound and contains a crystalline aluminosilicate, and the silicon oxide compound is a silicon oxide compound derived from a compound represented by XnSi(OR)4-n, where X represents a hydrogen atom or an alkyl group, R represents an alkyl group, and n represents an integer of 0 to 4.

公开(公告)号：US20230357103A1

公开(公告)日：2023-11-09

申请号：US18252439

申请日：2021-11-09

Applicant: ENEOS Corporation

Inventor： Yasuyuki IWASA ,  Yasuhiro ARAKI

IPC: C07C2/72

CPC classification number: C07C2/72 ,  C07C2529/06

Abstract: To provide a method for producing cyclohexylbenzene, which is capable of obtaining cyclohexylbenzene at a high selectivity, and a cyclohexylbenzene composition obtained with the method. A method for producing cyclohexylbenzene, comprising a step of bringing a raw material containing benzene and cyclohexene or cyclohexanol into contact with a solid acid catalyst to thereby perform alkylation reaction, wherein the solid acid catalyst is a silica-alumina catalyst or an MTW-type zeolite catalyst.

公开(公告)号：US20210238110A1

公开(公告)日：2021-08-05

申请号：US17054305

申请日：2019-05-13

Applicant: ENEOS CORPORATION

Inventor： Yasuhiro ARAKI ,  Masanari AKIYAMA

IPC: C07C5/41 ,  C07C15/08 ,  C07C11/107 ,  C07C2/24 ,  B01J27/25 ,  B01J21/04 ,  B01J37/02 ,  C07B63/00

Abstract: A method for producing p-xylene, comprising: a dimerization step of bringing a first raw material comprising isobutene into contact with a dimerization catalyst comprising at least one selected from the group consisting of Group 9 metal elements and Group 10 metal elements to generate C8 components comprising 2,5-dimethylhexene; and a cyclization step of bringing a second raw material comprising the C8 components into contact with a dehydrogenation catalyst to generate p-xylene by the cyclodehydrogenation reaction of the C8 components.