Title

Kinetic and Mechanistic Investigations into the Degradation of Glucose in Hot Compressed Water as a Model for Hydrothermal Biomass-to-Fuel Conversions

Presenter Information

Ariel Mollhagen

Department

Chemistry

Major

Chemistry

Research Advisor

Woelk, Klaus

Advisor's Department

Chemistry

Funding Source

Missouri S&T Opportunities for Undergraduate Research Experiences (OURE) Program; MS&T Energy Research and Development Center; Missouri Research Board

Abstract

To find renewable, more sustainable, and environmentally benign techniques for the production of synthetic fuel, we studied the hydrothermal conversion of D-glucose (a model substrate for cellulosic and starch-based biomaterial) to liquid fuel precursor chemicals such as 5-hydroxymethyl furfural (5-HMF). The project was aimed at the elucidation of reaction mechanisms and kinetics involved in the conversion. Model substrates such as D-glucose and several known intermediates of the reaction were reacted in inert glass pressure vessels under hydrothermal conditions (120-170 °C, 3-10 atm). The acidity of the reactive solutions were adjusted from ph = 1 to 6. Quantitative results derived from 1H-NMR spectra were used to determine activation barriers of individual steps in the reaction.

Biography

Ariel is a third year undergraduate majoring in Chemistry at MS&T. She is also working on a minor in Geology. Ariel is the current president and a prior officer in the WT Schrenk Society and has been the recipient of several Chemistry Outstanding Student awards.

Research Category

Sciences

Presentation Type

Poster Presentation

Document Type

Poster

Location

Upper Atrium/Hallway

Presentation Date

06 Apr 2011, 9:00 am - 11:45 am

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Apr 6th, 9:00 AM Apr 6th, 11:45 AM

Kinetic and Mechanistic Investigations into the Degradation of Glucose in Hot Compressed Water as a Model for Hydrothermal Biomass-to-Fuel Conversions

Upper Atrium/Hallway

To find renewable, more sustainable, and environmentally benign techniques for the production of synthetic fuel, we studied the hydrothermal conversion of D-glucose (a model substrate for cellulosic and starch-based biomaterial) to liquid fuel precursor chemicals such as 5-hydroxymethyl furfural (5-HMF). The project was aimed at the elucidation of reaction mechanisms and kinetics involved in the conversion. Model substrates such as D-glucose and several known intermediates of the reaction were reacted in inert glass pressure vessels under hydrothermal conditions (120-170 °C, 3-10 atm). The acidity of the reactive solutions were adjusted from ph = 1 to 6. Quantitative results derived from 1H-NMR spectra were used to determine activation barriers of individual steps in the reaction.