Reduction of Fermentation Inhibitors in Hardwood Hydrolyzates by Chemical Treatment PDF Download
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Author: David W. Curths
Publisher:
ISBN:
Category : Alcohol
Languages : en
Pages : 444
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Author: David W. Curths
Publisher:
ISBN:
Category : Alcohol
Languages : en
Pages : 444
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Author: Hao Cao Tran
Publisher:
ISBN:
Category :
Languages : en
Pages : 468
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Author: Caidian Luo
Publisher:
ISBN:
Category :
Languages : en
Pages : 434
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Author: Ryan Geddes
Publisher:
ISBN:
Category :
Languages : en
Pages : 105
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Required to complete fermentation. A second process-based approach for improving hydrolysate fermentatbility was employed. Tube culture assays were designed that focus on comparing biological, chemical and physical treatments of hydrolysate. Six strategies were investigated that reduced toxicity in hemicellulose hydrolysates of sugarcane bagasse. These strategies included the use of vacuum evaporation, laccase enzymes, high pH treatment (ammonium hydroxide), bisulfite and increasing cell mass either by increased inoculum or by providing a low level of aeration (0.01 vvm). High pH was the most beneficial single treatment, increasing the minimum inhibitory concentration from 15% (control) to 70% hydrolysate. Tube culture assays of toxicity for ethanol production proved to be excellent predictors of performance in pH-controlled fermenters. A combination of treatments completely eliminated all inhibitory activity in hydrolysate, rendering it as fermentable as laboratory mineral salts medium without hydrolysate.
Author: Thomas A. Clark
Publisher:
ISBN:
Category : Alcohol
Languages : en
Pages : 10
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Author: Lew Christopher
Publisher: Royal Society of Chemistry
ISBN: 1849735069
Category : Technology & Engineering
Languages : en
Pages : 323
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This reference book describes how bioprocessing and biotechnology could enhance the value extracted from wood-based lignocellulosic fiber by employing both biochemical and thermochemical conversion processes. It documents recent accomplishments and suggests future prospects for research and development of integrated forest biorefineries (IFBR) as the path forward for the pulp, paper and other fiber-processing industries. This is the only book to cover this area of high economic, social, and environmental importance. It is aimed at industrialists and academics from diverse science and engineering backgrounds including chemical and biotechnology companies, governmental and professional bodies, and scholarly societies. The Editor and contributors are internationally recognized scientists and many are leaders in their respective fields. The book starts with an introductory overview of the current state of biorefining and a justification for future developments. The next four chapters deal with social, economic and environmental issues related to regulations, biomass production and supply, process modelling, and life cycle analysis. Subsequent chapters focus on the extraction of biochemicals from biomass and their potential utilization to add value to the IFBR prior to pulping. The book then presents, compares and evaluates two types of forest biorefineries based on kraft and organosolv pulping. Finally, the book assess the potential of waste biomass and streams, such paper mill sludge and black liquor, to serve as feedstock for biofuel production and value-added biomaterials through both the biochemical and thermochemical routes of biomass bioprocessing. The economics of the described IFBR processes and products, and their environmental impact, is a major focus in most of the chapters. Practical examples are presented where relevant and applicable.
Author: Brian H. Davison
Publisher: Springer Science & Business Media
ISBN: 1461216044
Category : Science
Languages : en
Pages : 853
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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.
Author: Long Zhang
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110479311
Category : Science
Languages : en
Pages : 536
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The book gives a systematic introduction to green chemistry principles and technologies in inorganic and organic chemistry, polymer sciences and pharmaceutical industry. It also discusses the use of biomass and marine resources for synthesis as well as renewable energy utilization and the concepts and evaluation of recycling economy and eco-industrial parks.
Author:
Publisher:
ISBN:
Category : Biomass energy
Languages : en
Pages : 270
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
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