A novel reactive distillation approach for producing 1,3-dihydroxyacetone from glycerol

    Research output: ResearchConference contribution

    Abstract

    Glycerol is a viable renewable feedstock that has emerged as a consequence of triglyceride conversion to biodiesel. In addition to glycerol conversion to commodity chemicals, the formation of higher-value specialty chemical products, e.g., 1,3-dihydroxyacetone (DHA) will provide income for the biorefinery. A novel chemical process to convert glycerol to DHA is put forward, which improves efficiency and reduces cost. The essential feature of this process is the selective formation of a 6-membered acetal of glycerol via reactive distillation, followed by selective oxidation of the secondary alcohol to its corresponding ketone product using ruthenium metal and a chemical oxidant. The ketone product is then hydrolyzed to obtain DHA. A continuous process of making DHA from glycerol has been designed. Reactions involved in the process are rapid and can be carried out under mild conditions. Yields of individual process steps are all in excess of 90%, indicating that the process has good potential to reduce DHA production costs. This is an abstract of a paper presented at the 2011 AIChE Annual Meeting (Minneapolis, MN 10/16-21/2011).

    LanguageEnglish (US)
    Title of host publication11AIChE - 2011 AIChE Annual Meeting, Conference Proceedings
    StatePublished - 2011
    Event2011 AIChE Annual Meeting, 11AIChE - Minneapolis, MN, United States
    Duration: Oct 16 2011Oct 21 2011

    Other

    Other2011 AIChE Annual Meeting, 11AIChE
    CountryUnited States
    CityMinneapolis, MN
    Period10/16/1110/21/11

    Profile

    Dihydroxyacetone
    Distillation
    Glycerol
    Ketones
    Costs
    Acetals
    Ruthenium
    Biofuels
    Oxidants
    Feedstocks
    Triglycerides
    Metals
    Alcohols
    Oxidation
    Biodiesel

    ASJC Scopus subject areas

    • Chemical Engineering(all)

    Cite this

    Hong, X., Lira, C. T., & Miller, D. J. (2011). A novel reactive distillation approach for producing 1,3-dihydroxyacetone from glycerol. In 11AIChE - 2011 AIChE Annual Meeting, Conference Proceedings

    A novel reactive distillation approach for producing 1,3-dihydroxyacetone from glycerol. / Hong, Xi; Lira, Carl T.; Miller, Dennis J.

    11AIChE - 2011 AIChE Annual Meeting, Conference Proceedings. 2011.

    Research output: ResearchConference contribution

    Hong, X, Lira, CT & Miller, DJ 2011, A novel reactive distillation approach for producing 1,3-dihydroxyacetone from glycerol. in 11AIChE - 2011 AIChE Annual Meeting, Conference Proceedings. 2011 AIChE Annual Meeting, 11AIChE, Minneapolis, MN, United States, 10/16/11.
    Hong X, Lira CT, Miller DJ. A novel reactive distillation approach for producing 1,3-dihydroxyacetone from glycerol. In 11AIChE - 2011 AIChE Annual Meeting, Conference Proceedings. 2011.
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