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High Yield Glycerol to Propylene Glycol Conversion Process

詳細技術說明
Introduction The increased production of biodiesel has resulted in a concomitant increased availability of glycerol, a byproduct of the production process. As a result the price of glycerol has experienced a sharp downward spiral. Challenges have confronted biodiesel producers who have pursued Glycerol conversion to the Propylene Glycol, a more desirable and higher priced chemical that is used in a wide range of industrial and consumer products. Attempts to convert Glycerol in a cost effective manner have thus far been plagued by low yield and the presence of undesirable contaminants.  Description of Technology This invention is a method to convert a sugar alcohol, Glycerol, to Propylene Glycol in high yield. Nickel and rhenium on activated carbon is used at a moderate temperature and pressure to selectively produce Propylene Glycol at enhanced yield. The process reduces the yield of undesirable products such as ethylene glycol, lactic acid and one-carbon molecules. Key BenefitsImproved Propylene Glycol yield: This process has been shown to convert Glycerol to Propylene Glycol at greater yield over current processes. Reduced yield of undesirable products: Undesirable by-products of the Glycerol to Propylene Glycol conversion process have been greatly reduced allowing for a more cost effective means to produce a purer end product. Improved reaction: The process enables reaction to occur at a moderate temperature and pressure. Applications The process could create Propylene Glycol for consumer products and industrial applications. Patent Status US 2008/0242898 A1 (filed Mar 28, 2008) Inventors Dennis Miller, James Jackson, Simona Marincean Tech ID TEC2006-0096
*Abstract
None
*Principal Investigation

Name: Dennis Miller, Professor

Department: Chemical Engineering and Materials Science


Name: James Jackson, Professor

Department: Chemistry


Name: Simona Marincean, Research Associate

Department: Chemistry

國家/地區
美國

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