公开(公告)号：US20170100710A1

公开(公告)日：2017-04-13

申请号：US15272687

申请日：2016-09-22

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Jeong-Rang KIM ,  Soon Yong JEONG ,  Chul Ung KIM ,  Tae Wan KIM ,  Youjin LEE ,  Eun Sang KIM ,  Joo Wan KIM

IPC: B01J29/78 ,  C07C4/00

CPC classification number: B01J29/7815 ,  C07C4/06 ,  C07C2529/78 ,  C10G45/64 ,  C10G2400/30 ,  Y02P20/52 ,  C07C15/04 ,  C07C15/06 ,  C07C15/073 ,  C07C15/08

Abstract: The present invention relates to a beta zeolite catalyst for the preparation of a BTEX (benzene, toluene, ethylbenzene, xylene) mixture from polyaromatic hydrocarbons and a preparation method of the same. The beta zeolite catalyst of the present invention demonstrates the high conversion of polyaromatic hydrocarbons and the high BTEX production yield by containing the optimum contents of the group VIB metals and cocatalysts, so that it can be effectively used as a beta zeolite catalyst for the production of BTEX.

公开(公告)号：US20240300871A1

公开(公告)日：2024-09-12

申请号：US18269165

申请日：2021-11-16

Applicant: SK GAS CO., LTD. ,  KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Daesung PARK ,  Hawon PARK ,  Changyeol SONG ,  Eun Sang KIM ,  Yong Ki PARK ,  Won Choon CHOI ,  Ung Gi HONG ,  Miyoung LEE ,  Hae Bin SHIN ,  Sanghyeon PARK ,  Deuk Soo PARK

IPC: C07C5/32 ,  C07C7/00

CPC classification number: C07C5/325 ,  C07C7/005 ,  C07C2521/02 ,  C07C2521/04 ,  C07C2523/42 ,  C07C2523/89

Abstract: A method for producing olefins using a circulating fluidized bed process, includes: supplying a propane-containing hydrocarbon mixture and a dehydrogenation catalyst into a riser, which is a fast fluidization regime, to cause a dehydrogenation reaction; separating, from a propylene mixture, the catalyst which is a product of the dehydrogenation reaction; removing unseparated hydrocarbon compounds remaining in the catalyst separated in the separating; continuously regenerating the catalyst by mixing the catalyst stripped in the removing with a gas containing oxygen; circulating the catalyst regenerated in the continuously regenerating to the supplying and resupplying it into the riser; and preparing propylene by cooling, compressing, and separating the propylene mixture which is a reaction product separated in the separating.