A
Ashley M. Wittrig
Researcher at ExxonMobil
Publications - 20
Citations - 374
Ashley M. Wittrig is an academic researcher from ExxonMobil. The author has contributed to research in topics: Hydrodeoxygenation & Methanol. The author has an hindex of 9, co-authored 19 publications receiving 254 citations. Previous affiliations of Ashley M. Wittrig include Purdue University.
Papers
More filters
Journal ArticleDOI
Functionality and molecular weight distribution of red oak lignin before and after pyrolysis and hydrogenation
Daniel J. McClelland,Ali Hussain Motagamwala,Ali Hussain Motagamwala,Yanding Li,Yanding Li,Marjorie Rover,Ashley M. Wittrig,Chunping Wu,J. Scott Buchanan,Robert C. Brown,John Ralph,John Ralph,James A. Dumesic,James A. Dumesic,George W. Huber +14 more
TL;DR: In this article, three red oak derived lignin samples were analyzed by FT-ICR MS, NMR, and GPC, and the relative average molecular weight of the Lignin determined by GPC decreased fivefold after pyrolysis.
Journal ArticleDOI
Supercritical methanol depolymerization and hydrodeoxygenation of lignin and biomass over reduced copper porous metal oxides
Daniel J. McClelland,Peter H. Galebach,Ali Hussain Motagamwala,Ali Hussain Motagamwala,Ashley M. Wittrig,Steven D. Karlen,Steven D. Karlen,J. Scott Buchanan,James A. Dumesic,James A. Dumesic,George W. Huber +10 more
TL;DR: In this article, a copper porous metal oxide catalyst was used for supercritical methanol depolymerization and hydrodeoxygenation (SCM-DHDO) of maple wood and lignin extracted with GVL from maple wood.
Journal ArticleDOI
Production of Alcohols from Cellulose by Supercritical Methanol Depolymerization and Hydrodeoxygenation
Peter H. Galebach,Daniel J. McClelland,Nathaniel M. Eagan,Ashley M. Wittrig,J. Scott Buchanan,James A. Dumesic,George W. Huber +6 more
TL;DR: The reaction pathway and products of cellulose supercritical methanol depolymerization and hydrodeoxygenation (SCM-DHDO) were investigated in this paper.
Journal ArticleDOI
Laser-induced acoustic desorption (LIAD) mass spectrometry
TL;DR: The generation of acoustic waves in foils via a laser pulse, the parameters affecting the generation ofoustic waves, possible mechanisms for desorption of neutral molecules, as well as the various uses of LIAD by mass spectrometrists are discussed.
Journal ArticleDOI
Catalytic synthesis of distillate-range ethers and olefins from ethanol through Guerbet coupling and etherification
Nathaniel M. Eagan,Benjamin M. Moore,Daniel J. McClelland,Ashley M. Wittrig,Emmanuel Canales,Michael P. Lanci,George W. Huber +6 more
TL;DR: In this article, a two-stage process by which an alcohol such as 1-butanol can be converted with high yields into distillate-range ethers and olefins by combining Guerbet coupling and intermolecular dehydration is presented.