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:
Jun. 25, 2013
Filed:
Mar. 14, 2008
J. Yong Ryu, Pasadena, TX (US);
J. Yong Ryu, Pasadena, TX (US);
Catalytic Distillation Technologies, Pasadena, TX (US);
Abstract
A process for the production of ethylene, the process including: feeding hydrogen, a heavy solvent, a light solvent, and acetylene to a down-flow reactor comprising at least one reaction zone comprising a hydrogenation catalyst; concurrently in the down-flow reactor: contacting acetylene and hydrogen in the presence of the hydrogenation catalyst to convert at least a portion of the acetylene to ethylene; boiling at least a portion of the light solvent from a liquid phase to a vapor phase; recovering a reactor effluent comprising heavy solvent, light solvent, and ethylene; condensing at least a portion of the light solvent in the vapor phase; recovering a solvent fraction comprising the heavy solvent and the light solvent; recovering a product fraction comprising ethylene.