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:
May. 19, 2020
Filed:
Oct. 18, 2016
Shell Oil Company, Houston, TX (US);
Duraisamy Muthusamy, Houston, TX (US);
Viet Quoc Nguyen, Houston, TX (US);
Pieter Huizenga, Amsterdam, NL;
Shell Oil Company, Houston, TX (US);
Abstract
Implementations of the disclosed subject matter provide methods for producing ethylene glycol from a carbohydrate feed may include contacting, in a first reactor under hydrogenation conditions, the carbohydrate feed with a bi-functional catalyst system. The bi-functional catalyst system may include a heterogeneous hydrogenation catalyst, and a soluble retro-Aldol catalyst. The carbohydrate feed may include a concentration of carbohydrate, in the total solution entering the first reactor, of 5-40 wt % in a solvent. An intermediate product stream may be obtained from the first reactor including ethylene glycol. The hydrogenation conditions may include a temperature in the range of from 180-250° C.