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Continuous Ethanol Production Using Immobilized Cell Enzyme Biocatalysts In Fluidized Bed Bioreactor Fbr
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Book Synopsis Continuous Ethanol Production Using Immobilized-Cell/Enzyme Biocatalysts in Fluidized-Bed Bioreactor (FBR). by : NP. Nghiem
Download or read book Continuous Ethanol Production Using Immobilized-Cell/Enzyme Biocatalysts in Fluidized-Bed Bioreactor (FBR). written by NP. Nghiem and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The immobilized-cell fluidized-bed bioreactor (FBR) was developed at Oak Ridge National Laboratory (ORNL). Previous studies at ORNL using immobilized Zymomonas mobilis in FBR at both laboratory and demonstration scale (4-in-ID by 20-ft-tall) have shown that the system was more than 50 times as productive as industrial benchmarks (batch and fed-batch free cell fermentations for ethanol production from glucose). Economic analysis showed that a continuous process employing the FBR technology to produce ethanol from corn-derived glucose would offer savings of three to six cents per gallon of ethanol compared to a typical batch process. The application of the FBR technology for ethanol production was extended to investigate more complex feedstocks, which included starch and lignocellulosic-derived mixed sugars. Economic analysis and mathematical modeling of the reactor were included in the investigation. This report summarizes the results of these extensive studies.
Book Synopsis Dunn Memorial Bridge Plaque Unveiling by :
Download or read book Dunn Memorial Bridge Plaque Unveiling written by and published by . This book was released on 196? with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Process Development and Modeling of Fluidized Bed Reactor with Co-immobilized Biocatalyst for Fuel Ethanol Production by : May Yongmei Sun
Download or read book Process Development and Modeling of Fluidized Bed Reactor with Co-immobilized Biocatalyst for Fuel Ethanol Production written by May Yongmei Sun and published by . This book was released on 1997 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Demonstration of an Immobilized-cell Fluidized-bed Reactor for the Efficient Production of Ethanol by :
Download or read book Design and Demonstration of an Immobilized-cell Fluidized-bed Reactor for the Efficient Production of Ethanol written by and published by . This book was released on 1994 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Initial studies have been carried out using a 4 inch ID fluidized bed reactor (FBR). This medium scale FBR was designed for scale-up. Present performance was compared with results from experiments using smaller FBRs. On-line and off-line measurement systems are also described. Zymomonas mobilis was immobilized in [kappa]-carrageenan at cell loadings of 15--50 g (dry weight) L−1. The system is designed for determining optimal operation with high conversion and productivity for a variety of conditions including feedstocks, temperature, flow rate, and column sizes (from 2 to 5 meters tall). The demonstration used non-sterile feedstocks containing either industrial (light steep water) or synthetic nutrients and dextrose.
Book Synopsis Modeling Scale-up Effects Ona Small Pilot-scale Fluidized-bed Reactor for Fuel Ethanol Production by : O. F. Webb
Download or read book Modeling Scale-up Effects Ona Small Pilot-scale Fluidized-bed Reactor for Fuel Ethanol Production written by O. F. Webb and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Twentieth Symposium on Biotechnology for Fuels and Chemicals by : Brian H. Davison
Download or read book Twentieth Symposium on Biotechnology for Fuels and Chemicals written by Brian H. Davison and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 853 pages. Available in PDF, EPUB and Kindle. Book excerpt: active industrial participation in the organizing committee. Recently, the conference has begun a regular informal industrial roundtable (Session 4). This has become very popular as it allows industrial participants to speak more openly. For a broader perspective, R. James Woolsey, Former Direc tor of Central Intelligence Agency, gave an after-dinner address on "Wagon Trains for the 21st Century: The Role for Biorefineries. " He urged the attendees of the importance of their efforts to develop renewable, benign processes for the United States and the world based on both security and prosperity reasons. These related to energy supply, support of domestic agriculture, global warming, and other issues. With the Twentieth Symposium, we continued the tradition of pro viding an informal, congenial atmosphere that our participants find condu cive to pursuing technical discussion of program topics. The technical program consisted of 35 oral presentations, a roundtable forum, two spe cial topic discussions, and a poster session of 133 posters. This year, tech nical topics included: Session 1: Feedstocks: New Supplies and Processing Session 2: Applied Biological Research Session 3: Bioprocessing Research Session 4: Emerging Opportunities for Industrial Chemicals Session 5: Bioprocess Evaluation and Confirmation Session 6: Enzymatic Processes and Enzyme Production Special topic discussions were held on "Defining the Future Separa tions Needs Derived from Bioprocessing" by Earl Beaver, Monsanto Com pany, St.
Book Synopsis Production of Ethanol from Whey Using Gel-entrapped Yeasts by : Victor An-Erl King
Download or read book Production of Ethanol from Whey Using Gel-entrapped Yeasts written by Victor An-Erl King and published by . This book was released on 1983 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Scaleup Effects on a Small Pilot-scale Fluidized-bed Reactor for Fuel Ethanol Production by :
Download or read book Modeling Scaleup Effects on a Small Pilot-scale Fluidized-bed Reactor for Fuel Ethanol Production written by and published by . This book was released on 1995 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Domestic ethanol use and production are presently undergoing significant increases along with planning and construction of new production facilities. Significant efforts are ongoing to reduce ethanol production costs by investigating new inexpensive feedstocks (woody biomass) and by reducing capital and energy costs through process improvements. A key element in the development of advanced bioreactor systems capable of very high conversion rates is the retention of high biocatalyst concentrations within the bioreactor and a reaction environment that ensures intimate contact between substrate and biocatalyst. One very effective method is to use an immobilized biocatalyst that can be placed into a reaction environment that provides effective mass transport, such as a fluidized bed. Mathematical descriptions are needed based on fundamental principles and accepted correlations that describe important physical phenomena. We describe refinements and semi-quantitatively extend the predictive model of Petersen and Davison to a multiphase fluidized-bed reactor (FBR) that was scaled-up for ethanol production. Axial concentration profiles were evaluated by solving coupled differential equations for glucose and carbon dioxide. The pilot-scale FBR (2 to 5 m tall, 10.2-cm ID, and 23,000 L month−1 capacity) was scaled up from bench-scale reactors (91 to 224 cm long, 2.54 to 3.81 cm ID, and 400 to 2,300 L month−1 capacity). Significant improvements in volumetric productivites (50 to 200 g EtOH h−1 L−1 compared with 40 to 110 for bench-scale experiments and 2 to 10 for reported industrial benchmarks) and good operability were demonstrated.
Book Synopsis Continuous Ethanol Production in a Two-stage, Immobilized and Suspended Cell Bioreactor by : Gwang-Han Gil
Download or read book Continuous Ethanol Production in a Two-stage, Immobilized and Suspended Cell Bioreactor written by Gwang-Han Gil and published by . This book was released on 1991 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Medizinische Praxisassistentin, medizinicher Praxisassistent by :
Download or read book Medizinische Praxisassistentin, medizinicher Praxisassistent written by and published by . This book was released on 1945 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Medizinische Praxisassistentin / Berufsbild.
Book Synopsis Continuous Ethanol Fermentation Using an Attached Film Expanded Bed Reactor by : Hung-Chang Chen
Download or read book Continuous Ethanol Fermentation Using an Attached Film Expanded Bed Reactor written by Hung-Chang Chen and published by . This book was released on 1982 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Continuous Ethanol Production from Severely Inhibiting Dilute-acid Hydrolyzates Using Immobilized Cells by :
Download or read book Continuous Ethanol Production from Severely Inhibiting Dilute-acid Hydrolyzates Using Immobilized Cells written by and published by . This book was released on 2001 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings written by and published by . This book was released on 1993 with total page 718 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ethanol Production Using Continuous Flow Fermentation and Whole Cell Immobilization by : Michael J. Pepsin
Download or read book Ethanol Production Using Continuous Flow Fermentation and Whole Cell Immobilization written by Michael J. Pepsin and published by . This book was released on 1983 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Performance of Co-immobilized Yeast and Glucoamylase in a Fluidized Bed Reactor for Fuel Ethanol Production by :
Download or read book Performance of Co-immobilized Yeast and Glucoamylase in a Fluidized Bed Reactor for Fuel Ethanol Production written by and published by . This book was released on 1996 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The performance of co-immobilized Saccharomyces cerevisiae and glucoamylase was evaluated in a fluidized bed reactor. Soluble starch and yeast extract were used as feed stocks. The biocatalyst performed well and demonstrated no significant loss of activity or physical integrity during 10 weeks of continuous operation. The reactor was easily operated and required no pH control. No operational problems were encountered from bacterial contaminants even though the reactor was operated under non-sterile conditions over the entire course of experiments. Productivities ranged between 25 to 44 g ethanol L−1 h−1. The experiments demonstrated that ethanol inhibition and bed loading had significant effects on bed performance.
Book Synopsis Ethanol Production in a Multimembrane Bioreactor by : David Ethan Steinmeyer
Download or read book Ethanol Production in a Multimembrane Bioreactor written by David Ethan Steinmeyer and published by . This book was released on 1990 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Ethanol Production Using Immobilized Cell Systems by : Argyrios Margaritis
Download or read book Advances in Ethanol Production Using Immobilized Cell Systems written by Argyrios Margaritis and published by . This book was released on 1994 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt:
