The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 2025
Filed:
Oct. 22, 2021
China Petroleum & Chemical Corporation, Beijing, CN;
Sinopec Dalian Research Institute of Petroleum and Petrochemicals Co., Ltd., Liaoning, CN;
Meng Dai, Liaoning, CN;
Shicai Li, Liaoning, CN;
Yang Li, Liaoning, CN;
Dahai Xu, Liaoning, CN;
He Ding, Liaoning, CN;
Guang Chen, Liaoning, CN;
Han Zhang, Liaoning, CN;
Jiawen Zhou, Liaoning, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
SINOPEC DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS CO., LTD., Liaoning, CN;
Abstract
A multi-phase combination reaction system has at least one fixed bed hydrogenation reactor. The fixed bed hydrogenation reactor has, arranged from top to bottom, a first hydrogenation reaction area, a gas-liquid separation area, a second hydrogenation reaction area and a third hydrogenation reaction area. The gas-liquid separation area is provided with a raw oil inlet. A hydrogen inlet is provided between the second hydrogenation reaction area and the third hydrogenation reaction area. The system is capable of simultaneously obtaining two fractions in one hydrogenation reactor.