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  1. Chemical Engineering Skills Sought by Pharmaceutical Industry

    ChemE On Demand Presentation (AIChE Annual Meeting, 2013)

  2. A Correlation for the Impact of Extracting Steam From Power Plants for Carbon Capture Processes

    ChemE On Demand Presentation (AIChE Annual Meeting, 2013)

    A Correlation for the Impact of Extracting Steam from Power Plants for Carbon Capture ProcessesAdam H Berger and Abhoyjit S Bhown Electric Power Research Institute (EPRI) , Palo Alto , CA AbstractPost combustion carbon dioxide capture and storage (CCS) from power plants is an energy intensive...

  3. Maximize Enzymatic Saccharification and Minimize Sugar Degradation in SPORL Pretreatment of Douglas-Fir At a Low Temperature: A Kinetic Approach

    ChemE On Demand Presentation (AIChE Annual Meeting, 2013)

    Maximize sugar yield and minimize inhibitor formation are often difficult to achieve simultaneously in pretreatment of lignocelluloses. The objective of this work was to evaluate the hemicellulose hydrolysis and degradation models with the goal of predicting performance of both hydrolysis and...

  4. Synthesis of Polyoxymethylene Dimethyl Ethers From Dimethoxymethane and Paraformaldehyde Catalyzed By Cation Exchange Resins

    ChemE On Demand Presentation (AIChE Annual Meeting, 2013)

    Synthesis of oxygenated compounds as diesel fuel additives from coal-based C1 chemicals is of great importance to solve the large surplus of C1 chemicals and the diesel supply shortage in China. When added to diesel , oxygenated compounds (methanol , dimethyl ether , dimethoxymethane , etc.) can...

  5. Evolution of Yield Stress During High-Solids Fed-Batch Enzymatic Liquefaction of Cellulose Measured Using a Non-Invasive Real-Time Rheometer

    ChemE On Demand Presentation (AIChE Annual Meeting, 2013)

    Enzymatic hydrolysis of cellulosic biomass is a key step of biological routes for production of fuels and chemicals. Economic considerations for large-scale implementation of the process demand operation in the high solids regime. In this regime , the biomass is processed at concentrations of 15%...

  6. In-Situ Conversion of the FOG in Trap Grease Into Biodiesel

    ChemE On Demand Presentation (AIChE Annual Meeting, 2013)

    Biodiesel is a type of alternative fuel made from oil-containing biomass and a variety of fats , oils , and greases (FOG). Biodiesel is a drop-in solution for the diesel engines to reduce the emissions and consequently the US biodiesel industry has been thriving in the recent years under the...

  7. Evaluation of Ascorbic Acid and Acetic Acid As Catalysts in the Transesterfication of Virgin Soybean Oil

    ChemE On Demand Presentation (AIChE Annual Meeting, 2013)

    Biologically derived acids such as ascorbic acid and acetic acid may be used to catalyze the production of biodiesel in a supercritical fluid solvent. The use of binary mixtures of supercritical carbon dioxide and methanol with the aid of an acid catalyst can facilitate the transesterfication...

  8. Mixing During High Consistency Enzymatic Hydrolysis - Influence of Raw Material, Viscosity and Particle Size Distribution

    ChemE On Demand Presentation (AIChE Annual Meeting, 2013)

    In order for commercial scale lignocellulosic bioethanol to be economically feasible , high solid operation throughout the whole process is regarded as a necessity. This will not only reduce the need for high amounts of water and waste water treatment , but also increase ethanol titers after the...

  9. High-Titer and High-Yield n-Butanol Production From Lignocellulosic Biomass By Engineered Clostridium Tyrobutyricum

    ChemE On Demand Presentation (AIChE Annual Meeting, 2013)

    Fermentative n-butanol production by solventogenic clostridia usually suffers from low butanol titer , low butanol yield , and high substrate cost. In order to overcome these limitations , NADH driving force combined with adaptation and evolution mutagenesis strategy was used to achieve high-titer...

  10. Conversion of Fusel Oil Alcohols to Alkyl Carbonates By Carbon Dioxide Fixation

    ChemE On Demand Presentation (AIChE Annual Meeting, 2013)

    The development of suitable methods for the preparation of interesting CO 2 -containing compounds, like organic carbonates, is an alternative to recycling CO 2 and using it as a substitute for the highly toxic phosgene and its derivatives. 1–4 The selectivity and nature of the capture products are...

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