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:
Jul. 25, 2017
Filed:
Jul. 28, 2016
Chevron Phillips Chemical Company Lp, The Woodlands, TX (US);
Jennifer F. Drew, Humble, TX (US);
Christina M. Barry, Houston, TX (US);
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
Abstract
Described herein are processes and systems for purifying an olefin stream which has at least 99 mol % ethylene, involving use of a sulfur guard bed to yield an effluent from the olefin stream which is substantially free of sulfur; a hydrogenation catalyst to yield an effluent from the sulfur guard bed effluent which is substantially free of sulfur, oxygen, acetylene, methyl acetylene, and propadiene; a copper-metal containing catalyst bed to yield an effluent from the hydrogenation catalyst effluent which is substantially free of sulfur, oxygen, acetylene, methyl acetylene, propadiene, carbon monoxide, and hydrogen; and a desiccant to yield a purified ethylene stream having greater than or equal to 99.875 mol % ethylene.