Simultaneous Saccharification And Extractive Fermentation Of Pretreated Hardwood For Acetone Butanol Production
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Simultaneous Saccharification And Extractive Fermentation Of Pretreated Hardwood For Acetone Butanol Production
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Author : Minish Mahendrabhai Shah
language : en
Publisher:
Release Date : 1992
Simultaneous Saccharification And Extractive Fermentation Of Pretreated Hardwood For Acetone Butanol Production written by Minish Mahendrabhai Shah and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Acetone categories.
Liquid Gaseous And Solid Biofuels
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Author : Zhen Fang
language : en
Publisher: BoD – Books on Demand
Release Date : 2013-03-20
Liquid Gaseous And Solid Biofuels written by Zhen Fang and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-20 with Technology & Engineering categories.
This book offers reviews of state-of-the-art conversion techniques for biofuels. It focuses on the latest development for the production of liquid and gaseous biofuels that should be of interest to the chemical scientists and technologists.
Biofuels
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Author : Ram Sarup Singh
language : en
Publisher: CRC Press
Release Date : 2016-11-10
Biofuels written by Ram Sarup Singh and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-10 with Science categories.
This will be a comprehensive multi-contributed reference work, with the Editors being highly regarded alternative fuels experts from India and Switzerland. There will be a strong orientation toward production of biofuels covering such topics as biodiesel from renewable sources, biofuels from biomass, vegetable based feedstocks from biofuel production, global demand for biofuels and economic aspects of biofuel production. Book covers the latest advances in all product areas relative to biofuels. Discusses coverage of public opinion related to biofuels. Chapters will be authored by world class researchers and practitioners in various aspects of biofuels. Provides good comprehensive coverage of biofuels for algae. Presents extensive discussion of future prospects in biofuels.
Extractive Fermentation Lactic Acid And Acetone Butanol Production
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Author : Steve Ronald Roffler
language : en
Publisher:
Release Date : 1986
Extractive Fermentation Lactic Acid And Acetone Butanol Production written by Steve Ronald Roffler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Energy Research Abstracts
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Author :
language : en
Publisher:
Release Date : 1993-02
Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-02 with Power resources categories.
Sustainable Biofuels
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Author : Ramesh C. Ray
language : en
Publisher: Academic Press
Release Date : 2021-04-08
Sustainable Biofuels written by Ramesh C. Ray and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-08 with Technology & Engineering categories.
Sustainable Biofuels: Opportunities and challenges, a volume in the “Applied Biotechnology Reviews series, explores the state-of-the-art in research and applied technology for the conversion of all types of biofuels. Its chapters span a broad spectrum of knowledge, from fundamentals and technical aspects to optimization, combinations, economics, and environmental aspects. They cover various facets of research, production, and commercialization of bioethanol, biodiesel, biomethane, biohydrogen, biobutanol, and biojet fuel. This book discusses biochemical, thermochemical, and hydrothermal conversion of unconventional feedstocks, including the role of biotechnology applications to achieve efficiency and competitiveness. Through case studies, techno-economic analysis and sustainability assessment, including life cycle assessment, it goes beyond technical aspects to provides actual resources for better decision-making during the development of commercially viable technology by researchers, PhD students, and practitioners in the field of bioenergy. It is also a useful resource for those in adjacent areas, such as biotechnology, industrial microbiology, chemical engineering, environmental engineering, and sustainability science, who are working on solutions for the bioeconomy. The ability to compare different technologies and their outcome that this book provides is also beneficial for energy analysts, consultants, planners, and policy-makers. The “Applied Biotechnology Reviews series highlights current development and research in biotechnology-related fields, combining in single-volume works the theoretical aspects and real-world applications for better decision-making. Covers current technologies and advancements in biochemical, thermochemical, and hydrothermal conversion methods for production of various types of biofuels from conventional and nonconventional feedstock Examines biotechnology processes, including genetic engineering of microorganisms and substrates, applied to biofuel production Bridges the gap between technology development and prospects of commercialization of bioprocesses, including policy and economics of biofuel production, biofuel value chains, and how to accomplish cost-competitive results and sustainable development
Acetone Butanol Ethanol Fermentation And Pervaporation By Clostridium Acetobutylicum B18
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Author : Qinghuang Geng
language : en
Publisher:
Release Date : 1995
Acetone Butanol Ethanol Fermentation And Pervaporation By Clostridium Acetobutylicum B18 written by Qinghuang Geng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
12th International Symposium On Process Systems Engineering And 25th European Symposium On Computer Aided Process Engineering
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Author :
language : en
Publisher: Elsevier
Release Date : 2015-07-14
12th International Symposium On Process Systems Engineering And 25th European Symposium On Computer Aided Process Engineering written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-14 with Technology & Engineering categories.
25th European Symposium on Computer-Aided Process Engineering contains the papers presented at the 12th Process Systems Engineering (PSE) and 25th European Society of Computer Aided Process Engineering (ESCAPE) Joint Event held in Copenhagen, Denmark, 31 May - 4 June 2015. The purpose of these series is to bring together the international community of researchers and engineers who are interested in computing-based methods in process engineering. This conference highlights the contributions of the PSE/CAPE community towards the sustainability of modern society. Contributors from academia and industry establish the core products of PSE/CAPE, define the new and changing scope of our results, and future challenges. Plenary and keynote lectures discuss real-world challenges (globalization, energy, environment, and health) and contribute to discussions on the widening scope of PSE/CAPE versus the consolidation of the core topics of PSE/CAPE. Highlights how the Process Systems Engineering/Computer-Aided Process Engineering community contributes to the sustainability of modern society Presents findings and discussions from both the 12th Process Systems Engineering (PSE) and 25th European Society of Computer-Aided Process Engineering (ESCAPE) Events Establishes the core products of Process Systems Engineering/Computer Aided Process Engineering Defines the future challenges of the Process Systems Engineering/Computer Aided Process Engineering community
Engineering Microbial Fermentations
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Author : Zachary Cardwell Baer
language : en
Publisher:
Release Date : 2014
Engineering Microbial Fermentations written by Zachary Cardwell Baer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
The batch fermentation of simple sugars to ethanol has thus far been the most successful process to displace transportation fuel consumption worldwide. However, the physical properities of ethanol limit its application in most of the world beyond 10-15 vol% blends with conventional gasoline. Additionally, ethanol is too volatile to be blended at an appreciable level with jet and diesel fuels. Alternative technologies are necessary to produce compounds that can be blended in all forms of transportation fuel and to higher levels. The biological production of longer chain oxygenates or hydrocarbons has been purposed to address this challenge. However, the increased toxicity of these molecules has limited their usefulness to-date. Alternatively, chemocatalytic routes to produce these fuel molecules do not suffer from toxicity issues but the highly functional saccharide-based feedstocks result in undesirable by-product formation and yield losses. We propose that by effectively combining these biological and chemocatalytic approaches efficient production of all classes of transportation fuels can be achieved. Clostridium acetobutylicum is a well-studied industrial bacterium capable of fermenting a wide-variety of saccharides into a mixture of acetone, butanol, and ethanol (ABE). These mixed products contain functionalities that are amenable to C-C bond formation through transition-metal catalysis. Thus enabling the production of a suite of long-chain oxygenates from a variety of sugar substrates. This dissertation describes three major topics associated with the integration biological and chemocatalytic processes for fuel production: (1) the initial discovery and evaluation of such a combined process, (2) tailoring the fermentation products and catalyst to favor diesel production, and (3) engineering tunable ethanol and acetone co-production in Escherichia coli. Additionally, a thorough and reproducible protocol describing both biological and chemocatalytic procedures are provided. Acetone, a product of the acetone-butanol-ethanol (ABE) fermentation, harbors a nucleophilic [alpha]-carbon, which is amenable to C-C bond formation with the electrophilic alcohols (ethanol and n-butanol) produced in ABE fermentation. This functionality enables the formation of higher molecular weight hydrocarbons similar to those found in current gasoline, jet, and diesel fuels. Using a palladium-catalyzed alkylation reaction efficient conversion of ABE fermentation products into ketones, ranging from 2-pentanone to 6-undecanone was achieved. Tuning of the reaction conditions permits production of either predominately gasoline or jet and diesel precursors. Glyceryl tributyrate was identified as a suitable extractant for selective in situ removal of both acetone and alcohols. Enabling simple integration of ABE fermentation and water sensitive chemical catalysis, while reducing the energy demand of the overall process. Additionally, extractive fermentation with glyceryl tributyrate removed several lignocellulosic-derived pretreatment inhibitors completely restoring solvent production titers. Tailoring both the biological fermentation and chemocatalytic reaction conditions predictably increased the production of sustainable diesel blendstocks from lignocellulosic sugar. More specifically, engineering the metabolism of C. acetobutylicum to produce isopropanol-butanol-ethanol (IBE) as opposed to ABE by expression of the secondary alcohol dehydrogenase (sadh) from C. beijerinckii strain B593. Coupled with the optimization of a more water-resistant alkylation catalyst, hydrotalcite-supported copper(II) or palladium (0). Furthermore, in silco predictions of extraction efficiency using COSMO-RS were employed to identify oleyl alcohol as a superior extractant for in situ removal of IBE. To achieve highly controllable acetone and ethanol production both metabolic and fermentation engineering approaches were employed. Strains capable of producing acetone without carboxylic acid reassimilation through a newly described pathway were developed. Furthermore, a more oxidized sugar-acid (gluconic acid) was used to drive production of acetone through redox balancing of NADH, predicatively reducing the molar ethanol:acetone ratio. Increases in the molar ethanol:acetone ratio were also described by the co-expression of either the aldehyde/alcohol dehydrogenase (adhE) from E. coli MG1655 or pyruvate decarboxylase (pdc) and alcohol dehydrogenase (adhB) from Z. mobilis. Acetone titers reached wild-type C. acetobutylicum levels by controlling the fermentation sparge rate and pH in a bioreactor. Finally, catalytic strategies to upgrade the co-produced ethanol and acetone at both low and high molar ratios are described. By leveraging the advantages of both biological fermentation and chemocatalytic reactions of fermentation products with well-defined functionality we are able to efficiently convert a variety of saccharides into long-chain oxygenates. These long-chain oxygenates can be blended with all forms of transportation fuels. Additionally, tuning the microorganism's metabolism, fermentation conditions, catalysis reaction, or all of the above can optimize the production for a specific class of fuel. The integration of mixed-product fermentation with chemical catalysis is thus a novel and potentially enabling route for the economical conversion of biomass into liquid transportation fuels.
Microbiology Abstracts
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Author :
language : en
Publisher:
Release Date : 1993
Microbiology Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Industrial microbiology categories.