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Author: Karl-Erik L. Eriksson
Publisher: Springer Science & Business Media
ISBN: 3642466877
Category : Technology & Engineering
Languages : en
Pages : 414
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Book Description
The oil crisis during the 1970s turned interest towards the utilization of renewable resources and towards lignocellulosics in particular. The 1970s were also the cradle period of biotechnology, and the years when biotechnical utilization of lignocellulosic waste from agriculture and forestry gained priori ty. This was a logical conclusion since one of nature's most important biologi cal reactions is the conversion of wood and other lignocellulosic materials to carbon dioxide, water and humic substances. However, while biotechnology in other areas like medicine and pharmacology concerned production of expen sive products on a small scale, biotechnical utilization and conversion of ligno cellulosics meant production of inexpensive products on a large scale. Biotechnical utilization of lignocellulosic materials is therefore a very difficult task, and the commercial utilization of this technology has not progressed as rapidly as one would have desired. One reason for this was the lack of basic knowledge of enzyme mechanisms involved in the degradation and conversion of wood, other lignocellulosics and their individual components. There are also risks associated with initiating a technical development before a stable platform of knowledge is available. Several of the projects started with en thusiasm have therefore suffered some loss of interest. Also contributing to this failing interest is the fact that the oil crisis at the time was not a real one. At present, nobody predicts a rapid exhaustion of the oil resources and fuel production from lignocellulosics is no longer a high priority.
Author: Karl-Erik L. Eriksson
Publisher: Springer Science & Business Media
ISBN: 3642466877
Category : Technology & Engineering
Languages : en
Pages : 414
Get Book Here
Book Description
The oil crisis during the 1970s turned interest towards the utilization of renewable resources and towards lignocellulosics in particular. The 1970s were also the cradle period of biotechnology, and the years when biotechnical utilization of lignocellulosic waste from agriculture and forestry gained priori ty. This was a logical conclusion since one of nature's most important biologi cal reactions is the conversion of wood and other lignocellulosic materials to carbon dioxide, water and humic substances. However, while biotechnology in other areas like medicine and pharmacology concerned production of expen sive products on a small scale, biotechnical utilization and conversion of ligno cellulosics meant production of inexpensive products on a large scale. Biotechnical utilization of lignocellulosic materials is therefore a very difficult task, and the commercial utilization of this technology has not progressed as rapidly as one would have desired. One reason for this was the lack of basic knowledge of enzyme mechanisms involved in the degradation and conversion of wood, other lignocellulosics and their individual components. There are also risks associated with initiating a technical development before a stable platform of knowledge is available. Several of the projects started with en thusiasm have therefore suffered some loss of interest. Also contributing to this failing interest is the fact that the oil crisis at the time was not a real one. At present, nobody predicts a rapid exhaustion of the oil resources and fuel production from lignocellulosics is no longer a high priority.
Author: T.K. Kirk
Publisher: CRC Press
ISBN: 1351090968
Category : Science
Languages : en
Pages : 367
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Book Description
First Published in 2018. Routledge is an imprint of Taylor & Francis, an Informa company.
Author: T.Kent. Kirk
Publisher: CRC Press
ISBN: 135109095X
Category : Science
Languages : en
Pages : 361
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Book Description
Lignin is a generic name for the complex aromatic polymers that are major components of vascular plant tissues. Lignin is abundant; in terms of weight it is probably second only to cellulose among renewable organic materials, and in terms of energy content it might well be the single most abundant. an international seminar on lignin biodegradation was organized and was held May 9 to 11, 1978, at the U.S. Forest Products Laboratory in Madison, Wisconsin. This book records the proceedings of that seminar and is meant to provide a summary of research. Each speaker/author was asked to summarize his research, including his latest unpublished results, and to describe how his work fits into the overall picture. Following two orientation chapters, one a review of lignin structure and morphological distribution in plant cell walls, and the second a review of the microbial catabolism of relevant aromatics, the book is comprised of chapters in the three subject areas given by the book's title. It does, as intended, provide comprehensive coverage of research to date (August 1978).
Author: Ramesh Chander Kuhad
Publisher: Springer Science & Business Media
ISBN: 8132208765
Category : Science
Languages : en
Pages : 324
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Book Description
Various types of secondary agriculture and forestry wastes represent valuable resource materials for developing alternate energy as biofuels and other value added products such as sugars, phenols, furans, organic acids, enzymes and digestible animal feed etc. However, if not managed properly, waste material and environmental contaminants generated by various industries such as food and feed, pulp and paper and textile may lead to severe environmental pollution. The energy, food and feed demand necessitate developing simple and economically viable technologies for environmental management and resource recovery. Microorganisms and their enzymes contribute significantly in utilization of plant residues, resource recovery and eventually in pollution mitigation. “Biotechnology for Environmental Management and Resource Recovery” presents a comprehensive review of selected research topics in a compendium of 16 chapters related to environmental pollution control and developing biotechnologies in agro-ecosystem management and bioconversion of agro-residues (lignocellulosics) into biofuels, animal feed and paper etc. This book provides a valuable resource for reference and text material to graduate and postgraduate students, researchers, scientists working in the area of microbiology, biotechnology, and environmental science and engineering.
Author: Takayoshi Higuchi
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 704
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Book Description
Author:
Publisher:
ISBN:
Category : Lignin
Languages : en
Pages : 4
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Book Description
Author: Takayoshi Higuchi
Publisher: Elsevier
ISBN: 0323143288
Category : Nature
Languages : en
Pages : 696
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Book Description
Biosynthesis and Biodegradation of Wood Components is a comprehensive account of the biosynthesis and biodegradation of wood and wood components. Topics covered range from the localization of polysaccharides and lignins in wood cell walls to the metabolism and synthetic function of cambial tissue, along with the function of cell organelles in the biosynthesis of cell wall components. The biosynthesis of plant cell wall polysaccharides is also discussed. This book is comprised of 22 chapters and begins with an overview of the structure of wood, with emphasis on three aspects of sections of wood: the cross or transverse section, the tangential section, and the radial section or face. The following chapters deal with the structure and chemistry of the major components of wood cell walls; the metabolism and synthetic function of cambial tissue; the function of organelles involved in biosynthesis; and the biosynthesis both of the major cell wall components of wood (cellulose, hemicelluloses, and lignins) and of wood extractives. The microbial degradation of cell wall components and aromatic extractives of wood is also considered, together with the microorganisms involved in lignin biodegradation as well as the physiology and biochemistry of degradation by white-rot fungi. This monograph will be of interest to biochemists as well as students and researchers in biochemistry.
Author: Zhen Fang
Publisher: Springer
ISBN: 9789811019647
Category : Science
Languages : en
Pages : 0
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Book Description
This book provides state-of-the-art reviews, current research on and the prospects of lignin production, biological, thermal and chemical conversion methods, and lignin technoeconomics. Fundamental topics related to lignin chemistry, properties, analysis, characterization, and depolymerization mechanisms, as well as enzymatic, fungal and bacterial degradation methods are covered. The book also examines practical topics related to technologies for lignin and ultra-pure lignin recovery, activated carbon, carbon fiber production and materials, and addresses the biological conversion of lignin with fungi, bacteria or enzymes to produce chemicals, along with chemical, catalytic, thermochemical and solvolysis conversion methods. Lastly, it presents a case study on practical polyurethane foam production using lignin. Lignin has a bright future and will be an essential feedstock for producing renewable chemicals, biofuels and value-added products. Offering comprehensive information on this promising material, the book represents a valuable resource for students, researchers, academicians and industrialists in the field of biochemistry and energy.
Author: Cyril Heitner
Publisher: CRC Press
ISBN: 142001580X
Category : Science
Languages : en
Pages : 686
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Book Description
Over the past four decades, there has been immense progress in every area of lignin science, ranging from the enzymology of lignin biodegradation, to the delignification of wood fiber during pulping and bleaching, to advances in spectroscopy. Lignin and Lignans: Advances in Chemistry captures the developments that have been achieved by world-class
Author: Jean-Luc Wertz
Publisher: CRC Press
ISBN: 1351762052
Category : Science
Languages : en
Pages : 223
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Book Description
Hemicelluloses and Lignin in Biorefineries provides an understanding of lignocellulosic biomass, which is mainly composed of cellulose, hemicelluloses, and lignin. It promotes the valorization of these molecules in the context of the bioeconomy and presents hemicelluloses and lignin, which are generated in lignocellulosic biorefineries, as the molecules of the future. The viability of these molecules lies in their renewability and potential. This book covers all aspects of hemicelluloses and lignin including structure, biosynthesis, extraction, biodegradation, and conversion. The book also looks ahead to the socioeconomic and environmental value of biobased industry and emphasizes an understanding of the potential of lignocellulosic biomass.
