Now showing items 1-20 of 74

    • Alternative paths to alcohols and hydrocarbons from biomass 

      Granda, Cesar B.; Holtzapple, Mark T.; Granda, Cesar B.; Taco-vasquez, Sebastian; Ross, Michael Kyle; Luce, Gary; Spencer, John A.; Spencer, Rae L. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2012-07-31)
      A method of producing alcohols, hydrocarbons, or both from biomass by converting biomass into a carboxylic acid, reacting the carboxylic acid with an olefin to produce an ester and hydrogenolyzing the ester to produce ...
    • Alternative paths to alcohols and hydrocarbons from biomass 

      Holtzapple, Mark T.; Granda, Cesar B.; Taco, Sebastian; Ross, Michael Kyle; Luce, Gary; Spencer, John A.; Spencer, Rae L. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2013-08-27)
      A method of producing hydrocarbons from biomass that includes converting at least a portion of the biomass into a first product having at least one of a carboxylic acid, a ketone, an ammonium carboxylate salt, and combinations ...
    • Anaerobic Co-digestion of Chicken Processing Wastewater and Crude Glycerol from Biodiesel 

      Foucault, Lucas Jose (2011-10-21)
      The main objective of this thesis was to study the anaerobic digestion (AD) of wastewater from a chicken processing facility and of crude glycerol from local biodiesel operations. The AD of these substrates was conducted ...
    • Assessing the Potential of Natural Microbial Communities to Improve a Second-Generation Biofuels Platform 

      Hammett, Amy Jo Macbey (2012-10-19)
      Naturally occurring microbial communities from high-salt and/or high-temperature environments were collected from sites across the United States and Puerto Rico and screened for their efficacy in the MixAlco biofuel ...
    • Biomass shock pretreatment 

      Holtzapple, Mark T.; Madison, Maxine Jones; Ramirez, Rocio Sierra; Deimund, Mark A.; Falls, Matthew; Dunkleman, John J. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2014-07-01)
      Methods and apparatus for treating biomass that may include introducing a biomass to a chamber; exposing the biomass in the chamber to a shock event to produce a shocked biomass; and transferring the shocked biomass from ...
    • Calcium hydroxide pretreatment of biomass 

      Holtzapple, Mark T.; Davison, Richard R.; Nagwani, Murlidhar (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 1997-12-02)
      Lignocellulose-containing materials are treated with lime (calcium hydroxide) and water at a relatively high temperature and for a certain period of time under certain conditions. The process variables were: lime loading ...
    • CFD optimization study of high-efficiency jet ejectors 

      Watanawanavet, Somsak (2009-05-15)
      Research was performed to optimize the high-efficiency jet ejector geometry by varying motive velocities from Mach 0.50 to 3.25, and mass flow ratio from 0.02 to 100.0. The high-efficiency jet ejector was simulated by ...
    • Contactless magnetic brake for automotive applications 

      Gay, Sebastien Emmanuel (2009-05-15)
      Road and rail vehicles and aircraft rely mainly or solely on friction brakes. These brakes pose several problems, especially in hybrid vehicles: significant wear, fading, complex and slow actuation, lack of fail-safe ...
    • Conversion of sugarcane bagasse to carboxylic acids under thermophilic conditions 

      Fu, Zhihong (2009-05-15)
      With the inevitable depletion of the petroleum supply and increasing energy demands in the world, interest has been growing in bioconversion of lignocellulosic biomass (e.g., sugarcane bagasse). Lignocellulosic biomass ...
    • Cross-synergism of cellulases from different sources 

      Hong, Jeong-Hwa (Texas A&M University. Libraries, 1988)
      Bioconversion of cellulose has great potential for applying large quantities of fermentable feedstocks which can be converted to fuels and commodity chemicals. To achieve maximum conversion of celluose in enzymatic hydrolysis ...
    • Desalination of seawater using a high-efficiency jet ejector 

      Vishwanathappa, Manohar D. (Texas A&M University, 2005-08-29)
      The ability to produce potable water economically is the primary focus of seawater desalination research. There are numerous methods to desalinate water, including reverse osmosis, multi-stage flash distillation, and ...
    • Desalination Using Vapor-Compression Distillation 

      Lubis, Mirna R. (2010-07-14)
      The ability to produce potable water economically is the primary purpose of seawater desalination research. Reverse osmosis (RO) and multi-stage flash (MSF) cost more than potable water produced from fresh water resources. ...
    • Development and application of an advanced switched reluctance generator drive 

      Asadi, Peyman (2009-05-15)
      This dissertation contains the results of research conducted on the design and control characterization of a Switched Reluctance Generator (SRG) for maximum output power. The SRG is an attractive solution to the increasing ...
    • Development of Oxidative Lime Pretreatment and Shock Treatment to Produce Highly Digestible Lignocellulose for Biofuel and Ruminant Feed Applications 

      Falls, Matthew David (2011-10-21)
      At present, the United States generates biofuels (ethanol) from corn grain. Unfortunately, low crop yields and limited growth regions result in limited availability. Furthermore, the use of staple food crops for ethanol ...
    • Direct conversion of carboxylate salts to carboxylic acids via reactive extraction 

      Xu, Xin (Texas A&M University, 2008-10-10)
      The MixAlco process, a proprietary technology owned by Texas A&M University, converts biomass (e.g., municipal solid waste, sewage sludge, paper, agricultural residues, and energy crops) into usable chemicals (e.g., ...
    • Effect of Bioreactor Mode of Operation on Mixed-Acid Fermentations 

      Golub, Kristina (2012-10-19)
      Using mixed-culture fermentation, the carboxylate platform produces carboxylic acids, which are chemically converted into chemicals and fuels. To optimize the mixed-acid fermentation, different bioreactor configurations ...
    • Effect of Carbon Dioxide-Sustained Adsorption Using Ion Exchange Resin on Mixed-Acid Fermentation 

      Wu, Haoran (2018-11-29)
      The carboxylate platform is a biomass-to-energy process that converts biomass into hydrocarbon fuels or chemicals. The mixed-acid fermentation is the essential unit of the process that uses mixed cultures of microorganisms ...
    • Effects of Feedstocks and Inoculum Sources on Mixed-Acid and Hydrogen Fermentations 

      Forrest, Andrea Kelly (2011-02-22)
      With increasing energy demand, decreasing oil supply, and continuously accumulating waste in landfills, the interest in converting lignocellulosic biomass to liquid fuels has grown. The MixAlco™ process requires no exogenous ...
    • Effects of physical and chemical pretreatments on the crystallinity of bagasse 

      Jones, Maxine Janette (2009-05-15)
      Biomass conversion technologies are receiving increasing attention due to global climate change and most recently plans from the President of the United States to reduce fossil fuel consumption. The MixAlco process converts ...
    • Electric machine having a high-torque switched reluctance motor 

      Holtzapple, Mark T.; Rabroker, George A.; Fahimi, Babak; Ehsani, Mehrdad (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2010-02-16)
      According to one embodiment of the present invention, an electric machine comprises a stator and a rotor. The stator has at least one stator pole with a first leg and a second leg. The rotor has at least one rotor pole. ...