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Papers by Robert Dun

Research paper thumbnail of Oxidative Stability of Biodiesel by Dynamic Mode Pressurized-Differential Scanning Calorimetry (P-DSC)

Transactions of the ASABE, 2006

Research paper thumbnail of Oxidative stability of soybean oil fatty acid methyl esters by oil stability index (OSI)

Journal of the American Oil Chemists' Society, 2005

Research paper thumbnail of Analysis of Oxidative Stability of Methyl Soyate Bypressurized-Differential Scanning Calorimetry

Transactions of the ASAE, 2000

Research paper thumbnail of Thermal analysis of alternative diesel fuels from vegetable oils

Journal of the American Oil Chemists' Society, 1999

Research paper thumbnail of Effect of Temperature on the Oil Stability Index (OSI) of Biodiesel

Research paper thumbnail of Fuel properties and nitrogen oxide emission levels of biodiesel produced from animal fats

Journal of the American Oil Chemists' Society, 2005

Research paper thumbnail of Fuel Properties and Performance of Biodiesel

Biocatalysis and Bioenergy

Page 24. CHAPTER 1 Fuel Properties and Performance of Biodiesel SZ ERHAN, RO DUNN, G. KNOTHE, and... more Page 24. CHAPTER 1 Fuel Properties and Performance of Biodiesel SZ ERHAN, RO DUNN, G. KNOTHE, and BR MOSER Food and Industrial Oils Research Unit, US Department of Agriculture, Agricultural Research Service ...

Research paper thumbnail of High cell density production of multimethyl-branched long-chain esters in Escherichia coli and determination of their physicochemical properties

Biotechnology for Biofuels, 2016

Research paper thumbnail of Thioether-Functionalized Corn Oil Biosorbents for the Removal of Mercury and Silver Ions from Aqueous Solutions

Journal of the American Oil Chemists' Society

Research paper thumbnail of The Effect of Branched‐Chain Fatty Acid Alkyl Esters on the Cold‐Flow Properties of Biodiesel

Journal of the American Oil Chemists' Society

Research paper thumbnail of Thioether-Functionalized Vegetable Oils: Metal-Absorbing Biobased Ligands

ACS Sustainable Chemistry & Engineering, 2013

ABSTRACT Vegetable oils containing thioether groups have been synthesized and used to effectively... more ABSTRACT Vegetable oils containing thioether groups have been synthesized and used to effectively remove heavy metal ions from aqueous solution. The use of thioether-functionalized corn oil (TF-corn oil) and thioether-functionalized canola oil (TF-canola oil) were both effective in the extraction of Ag+ from a 600 ppm aqueous silver nitrate solution. The TF-corn oil reduced the observed silver in solution to a level below the detection limit, whereas the TF-canola oil was only able to remove slightly over 50% of the concentration. A study ofthe absorption rate is also reported, where both the TF-corn oil and the TF-canola oil removed the Ag+ rapidly, at nearly the same rate. Preliminary results suggest that the efficacy and capacity of silver removal relates directly to the fatty acid composition of the oil precursor.

Research paper thumbnail of Effects of minor constituents on cold flow properties and performance of biodiesel☆

Progress in Energy and Combustion Science, 2009

Research paper thumbnail of Synthesis and characterization of some long-chain diesters with branched or bulky moieties

Journal of the American Oil Chemists' Society, 2000

... ACKNOWLEDGMENTS We thank Dale W. Ehmke, Haifa Khoury, Amanda L. Callison, andRebecca (Burke) ... more ... ACKNOWLEDGMENTS We thank Dale W. Ehmke, Haifa Khoury, Amanda L. Callison, andRebecca (Burke) Zick for excellent technical assistance. ... 35. LeTellier, PR, and WW Nawar, Mass Spectrometry of Some Ethane-and Propanediol Diesters, J. Agric. Food Chem. ...

Research paper thumbnail of Physical properties of oleochemical carbonates

Journal of the American Oil Chemists' Society, 2005

Research paper thumbnail of Fuel Properties of Biodiesel/Ultra-Low Sulfur Diesel (ULSD) Blends

Journal of the American Oil Chemists' Society, 2011

Research paper thumbnail of Fuel Properties and Performance of Biodiesel

Research paper thumbnail of Oxidative Stability of Biodiesel by Dynamic Mode Pressurized-Differential Scanning Calorimetry (P-DSC)

Transactions of the ASABE, 2006

Research paper thumbnail of Oxidative stability of soybean oil fatty acid methyl esters by oil stability index (OSI)

Journal of the American Oil Chemists' Society, 2005

Research paper thumbnail of Analysis of Oxidative Stability of Methyl Soyate Bypressurized-Differential Scanning Calorimetry

Transactions of the ASAE, 2000

Research paper thumbnail of Thermal analysis of alternative diesel fuels from vegetable oils

Journal of the American Oil Chemists' Society, 1999

Research paper thumbnail of Effect of Temperature on the Oil Stability Index (OSI) of Biodiesel

Research paper thumbnail of Fuel properties and nitrogen oxide emission levels of biodiesel produced from animal fats

Journal of the American Oil Chemists' Society, 2005

Research paper thumbnail of Fuel Properties and Performance of Biodiesel

Biocatalysis and Bioenergy

Page 24. CHAPTER 1 Fuel Properties and Performance of Biodiesel SZ ERHAN, RO DUNN, G. KNOTHE, and... more Page 24. CHAPTER 1 Fuel Properties and Performance of Biodiesel SZ ERHAN, RO DUNN, G. KNOTHE, and BR MOSER Food and Industrial Oils Research Unit, US Department of Agriculture, Agricultural Research Service ...

Research paper thumbnail of High cell density production of multimethyl-branched long-chain esters in Escherichia coli and determination of their physicochemical properties

Biotechnology for Biofuels, 2016

Research paper thumbnail of Thioether-Functionalized Corn Oil Biosorbents for the Removal of Mercury and Silver Ions from Aqueous Solutions

Journal of the American Oil Chemists' Society

Research paper thumbnail of The Effect of Branched‐Chain Fatty Acid Alkyl Esters on the Cold‐Flow Properties of Biodiesel

Journal of the American Oil Chemists' Society

Research paper thumbnail of Thioether-Functionalized Vegetable Oils: Metal-Absorbing Biobased Ligands

ACS Sustainable Chemistry & Engineering, 2013

ABSTRACT Vegetable oils containing thioether groups have been synthesized and used to effectively... more ABSTRACT Vegetable oils containing thioether groups have been synthesized and used to effectively remove heavy metal ions from aqueous solution. The use of thioether-functionalized corn oil (TF-corn oil) and thioether-functionalized canola oil (TF-canola oil) were both effective in the extraction of Ag+ from a 600 ppm aqueous silver nitrate solution. The TF-corn oil reduced the observed silver in solution to a level below the detection limit, whereas the TF-canola oil was only able to remove slightly over 50% of the concentration. A study ofthe absorption rate is also reported, where both the TF-corn oil and the TF-canola oil removed the Ag+ rapidly, at nearly the same rate. Preliminary results suggest that the efficacy and capacity of silver removal relates directly to the fatty acid composition of the oil precursor.

Research paper thumbnail of Effects of minor constituents on cold flow properties and performance of biodiesel☆

Progress in Energy and Combustion Science, 2009

Research paper thumbnail of Synthesis and characterization of some long-chain diesters with branched or bulky moieties

Journal of the American Oil Chemists' Society, 2000

... ACKNOWLEDGMENTS We thank Dale W. Ehmke, Haifa Khoury, Amanda L. Callison, andRebecca (Burke) ... more ... ACKNOWLEDGMENTS We thank Dale W. Ehmke, Haifa Khoury, Amanda L. Callison, andRebecca (Burke) Zick for excellent technical assistance. ... 35. LeTellier, PR, and WW Nawar, Mass Spectrometry of Some Ethane-and Propanediol Diesters, J. Agric. Food Chem. ...

Research paper thumbnail of Physical properties of oleochemical carbonates

Journal of the American Oil Chemists' Society, 2005

Research paper thumbnail of Fuel Properties of Biodiesel/Ultra-Low Sulfur Diesel (ULSD) Blends

Journal of the American Oil Chemists' Society, 2011

Research paper thumbnail of Fuel Properties and Performance of Biodiesel

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