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Title: Processes and systems for the production of propylene glycol from glycerol

Patent ·
OSTI ID:1167456
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Processes and systems for converting glycerol to propylene glycol are disclosed. The glycerol feed is diluted with propylene glycol as the primary solvent, rather than water which is typically used. The diluted glycerol feed is sent to a reactor where the glycerol is converted to propylene glycol (as well as other byproducts) in the presence of a catalyst. The propylene glycol-containing product from the reactor is recycled as a solvent for the glycerol feed.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC06-76RL01830
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Number(s):
8,937,202
Application Number:
12/711,053
OSTI ID:
1167456
Resource Relation:
Patent File Date: 2010 Feb 23
Country of Publication:
United States
Language:
English

References (15)

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Textured catalysts, methods of making textured catalysts, and methods of catalyzing reactions conducted in hydrothermal conditions patent December 2003
Hydrogenolysis of 5-carbon sugars, sugar alcohols and compositions for reactions involving hydrogen patent January 2004
Methods of making pyrrolidones patent March 2004
Hydrogenolysis of 6-carbon sugars and other organic compounds patent January 2005
Methods of producing compounds from plant material patent January 2006
Hydrogenolysis of 5-carbon sugars, sugar alcohols, and methods of making propylene glycol patent May 2006
Textured catalysts and methods of making textured catalysts patent March 2007
Process for producing cyclic compounds patent April 2007
Process for the conversion of glycerol to propylene glycol and amino alcohols patent November 2009
Method of producing lower alcohols from glycerol patent August 2012
Synthesis of Liquid Fuels and Chemicals from Oxygenated Hydrocarbons patent-application September 2008
Renewable Chemical Production from Novel Fatty Acid Feedstocks patent-application June 2010

Cited By (1)

Processes and systems for the production of propylene glycol from glycerol patent January 2015

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