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Author : Yu Sun
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (889 download)
Download or read book Glucose and Cellobiose Adsorption Onto Activated Carbon written by Yu Sun and published by . This book was released on 2013 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Joseph Marx
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (34 download)
Download or read book The Immobilization of Glucose Oxidase by Adsorption on Granular Activated Carbon written by James Joseph Marx and published by . This book was released on 1977 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel Chinn
Publisher :
ISBN 13 :
Total Pages : 638 pages
Book Rating : 4.:/5 (34 download)
Download or read book Recovery of Glycols, Sugars, and Related Multiple-OH Compounds from Dilute-aqueous Solution by Regenerable Adsorption Onto Activated Carbons written by Daniel Chinn and published by . This book was released on 1999 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Glenn M. Roy
Publisher : Taylor & Francis
ISBN 13 : 1351469126
Total Pages : 222 pages
Book Rating : 4.3/5 (514 download)
Download or read book Activated Carbon Applications in the Food and Pharmaceutical Industries written by Glenn M. Roy and published by Taylor & Francis. This book was released on 2023-01-06 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Activated carbon has proven itself as a superior adsorbent for hundreds of food, beverage, agricultural, and pharmaceutical processing applications. This book provides a comprehensive, scientific survey of activated carbon applications based on existing literature. A valuable resource for all technical personnel involved in the processes discussed.
Author : Liang-tseng Fan
Publisher : Springer Science & Business Media
ISBN 13 : 3642725759
Total Pages : 204 pages
Book Rating : 4.6/5 (427 download)
Download or read book Cellulose Hydrolysis written by Liang-tseng Fan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent economic trends, especially the worldwide decline in oil prices, and an altered political climate in the United States have combined to bring about major reductions in research on renewable energy resources. Yet there is no escaping the "facts of life" with regard to these resources. The days of inexpensive fossil energy are clearly numbered, the credibility of nuclear energy has fallen to a new low, and fusion energy stands decades or more from practical realization. Sooner than we may wish ,we will have to turn to renewable raw materials - plant "biomass" and, especially, wood - as significant suppliers of energy for both industry and everyday needs. It is therefore especially important to have a single, comprehensive and current source of information on a key step in any process for the technological exploitation of woody materials, cellulose hydrolysis. Further more, it is essential that any such treatment be unbiased with respect to the two methods - chemical and biochemical - for the breakdown of cellulose to sugars. Researchers on cellulose hydrolysis have frequently been chided by persons from industry, especially those individuals concerned with determining the economic feasibility of various technological alternatives. They tell us that schemes for the utilization of wood and other such resources fly in the face of economic realities.
Author : Paul J. Dornath
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (945 download)
Download or read book Rational Development of Carbon-based Materials for Adsorption-enhanced Conversion of Cellulose to Value-added Chemicals written by Paul J. Dornath and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The increasing demands for transportation fuels and commodity chemicals as well as concerns over diminishing fossil fuel resources have driven research efforts towards the efficient utilization of renewable feedstocks, such as naturally abundant lignocellulosic biomass. Co-impregnation of microcrystalline cellulose with dilute sulfuric acid and glucose catalyzed the formation of a(1→6) branches onto b(1→4) glucan prior to ball-milling and reduce the time needed for ball-milling 4-fold compared to impregnation with acid alone. A three dimensionally ordered mesoporous (3DOm) carbon-based catalyst was developed that rapidly hydrolyzed the water-soluble glucan oligomers to 91.2% glucose yield faster than conventional approaches. A structure-property relationship was developed for adsorption of saccharides on the carbon catalyst. Van 't Hoff relationships were derived from adsorption isotherms of glucose and cellobiose and revealed that the adsorption enthalpy increased with increasing chain-length due to the increasing number of CH-[pi] interaction between the saccharides and the carbon surface. Adsorption entropy increased with increasing chain-length and with increasing surface hydrophobicity due to the release of solvated water molecules. The catalyst was optimized for glucose production by tuning the sulfonic to adsorption site ratio, which was easily tuned by controlling the precursors during the diazonium sulfonate functionalization step. The structure-property relationship of carbon materials with key reaction intermediates has also be studied in an effort to develop a green approach to furan extraction. Formation of HMF from the dehydration of fructose over zeolite catalysts in aqueous phase was studied in a reactive adsorption system using carbon black (BP2000) as an adsorbent. The dehydration of fructose over zeolite beta catalyst in water revealed that selectivity to HMF is largely influenced by the formation of levulinic acid and formic acid as well as humins from HMF. Reactive adsorption with carbon adsorbents was used to increase selectivity by preventing further reaction of HMF. It was found that BP2000 exhibited high selectivity and capacity for the adsorption of HMF from aqueous phase and was similar to that obtained from the reaction system using MIBK as an extraction phase.. The unique adsorption performance of BP2000 is likely due to the large surface area, hydrophobic nature and micropore volume.
Author : Ferhan Cecen
Publisher : John Wiley & Sons
ISBN 13 : 3527639454
Total Pages : 409 pages
Book Rating : 4.5/5 (276 download)
Download or read book Activated Carbon for Water and Wastewater Treatment written by Ferhan Cecen and published by John Wiley & Sons. This book was released on 2011-09-19 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph provides comprehensive coverage of technologies which integrate adsorption and biological processes in water and wastewater treatment. The authors provide both an introduction to the topic as well as a detailed discussion of theoretical and practical considerations. After a review of the basics involved in the chemistry, biology and technology of integrated adsorption and biological removal, they discuss the setup of pilot- and full-scale treatment facilities, covering powdered as well as granular activated carbon. They elucidate the factors that influence the successful operation of integrated systems. Their discussion on integrated systems expands from the effects of environmental to the removal of various pollutants, to regeneration of activated carbon, and to the analysis of such systems in mathematical terms. The authors conclude with a look at future needs for research and develoment. A truly valuable resource for environmental engineers, environmental and water chemists, as well as professionals working in water and wastewater treatment.
Author : Roop Chand Bansal
Publisher : CRC Press
ISBN 13 : 1420028812
Total Pages : 498 pages
Book Rating : 4.4/5 (2 download)
Download or read book Activated Carbon Adsorption written by Roop Chand Bansal and published by CRC Press. This book was released on 2005-05-24 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: High surface area, a microporous structure, and a high degree of surface reactivity make activated carbons versatile adsorbents, particularly effective in the adsorption of organic and inorganic pollutants from aqueous solutions. Activated Carbon Adsorption introduces the parameters and mechanisms involved in the activated carbon adsorption
Author : Marcel Schlaf
Publisher : Springer
ISBN 13 : 981287688X
Total Pages : 268 pages
Book Rating : 4.8/5 (128 download)
Download or read book Reaction Pathways and Mechanisms in Thermocatalytic Biomass Conversion I written by Marcel Schlaf and published by Springer. This book was released on 2015-09-25 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume I mainly focuses on the current understanding of the reaction pathways and mechanisms involved in several important catalytic conversions of cellulose and carbohydrates. It starts with nanoscale illustrations of biomass structures and describes various reactions including cellulose depolymerization to sugars, catalytic aldose-ketose isomerization and dehydration, selective oxidation, hydrogenolysis of cellulose and sugars, and the conversion of short carbohydrates. The specificity and function of different catalysts and reaction media in relation to the catalytic performances for these reactions are discussed with significant mechanistic details. Marcel Schlaf, PhD, is a Professor at the Department of Chemistry, University of Guelph, Canada. Z. Conrad Zhang, PhD, is a Professor at the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, China.
Author : James S. Mattson
Publisher :
ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.F/5 ( download)
Download or read book Activated Carbon: Surface Chemistry and Adsorption from Solution written by James S. Mattson and published by . This book was released on 1971 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mizuho Yabushita
Publisher : Springer
ISBN 13 : 9811003327
Total Pages : 171 pages
Book Rating : 4.8/5 (11 download)
Download or read book A Study on Catalytic Conversion of Non-Food Biomass into Chemicals written by Mizuho Yabushita and published by Springer. This book was released on 2016-01-13 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: The topic of this thesis is catalytic conversion of non-food, abundant, and renewable biomass such as cellulose and chitin to chemicals. In biorefinery, chemical transformation of polymers to valuable compounds has attracted worldwide interest for building sustainable societies. First, the current situation of this hot research area has been summarized well in the general introduction of the thesis, which helps readers to become familiar with this topic. Next, the author explains high-yielding production of glucose from cellulose by using an alkali-activated carbon as a catalyst, resulting in a yield of glucose as high as 88%, which is one of the highest yields ever reported. The characterization of carbon materials has indicated that weak acid sites on the catalyst promote the reaction, which is markedly different from reported catalytic systems that require strong acids. In addition, the first catalytic transformation of chitin with retention of N-acetyl groups has been developed. The combination of mechanocatalytic hydrolysis and thermal solvolysis enables the production of N-acetylated monomers in good yields of up to 70%. The catalytic systems demonstrated in this thesis are unique in the fields of both chemistry and chemical engineering, and their high efficiencies can contribute to green and sustainable chemistry in the future. Meanwhile, mechanistic studies based on characterization, thermodynamics, kinetics, and model reactions have also been performed to reveal the roles of catalysts during the reactions. The results will be helpful for readers to design and develop new catalysts and reaction systems.
Author :
Publisher :
ISBN 13 :
Total Pages : 316 pages
Book Rating : 4.:/5 (684 download)
Download or read book Recovery of Glycols, Sugars, and Related Multiple -OH Compounds from Dilute-Aqueous Solution by Regenerable Adsorption Onto Activated Carbons written by and published by . This book was released on 1999 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ekaterina Kulakovskaya
Publisher : Academic Press
ISBN 13 : 0124200966
Total Pages : 125 pages
Book Rating : 4.1/5 (242 download)
Download or read book Extracellular Glycolipids of Yeasts written by Ekaterina Kulakovskaya and published by Academic Press. This book was released on 2013-12-11 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extracellular Glycolipids of Yeasts: Biodiversity, Biochemistry, and Prospects provides a comprehensive view of the biochemistry, biological activity, and practical application of extracellular glycolipids of yeast. This book brings much-needed clarity to the complex topic of glycolipids and streamlines the rather confusing terminology used for glycolipids. It also provides a wealth of modern data on their composition, structure and properties, biosynthetic pathways, methods of isolation and identification, antifungal activity, and mechanisms of action. Studies of extracellular glycolipids of yeast now draw the attention of researchers in life science and biotechnology due to numerous recently revealed biological properties of these compounds. These compounds are scientifically and practically promising in medicine and agriculture due to their biosurfactant and fungicidal properties, as well as a number of other biological activities. Extracellular Glycolipids of Yeasts gives researchers studying biochemistry of microorganisms and related biologically active compounds a much-needed guide to the basic data that will aid in these increasingly generative pursuits. - Provides a clear overview of the basic data on yeast biosurfactants using a simple survey-style approach - Delivers comprehensive view of biochemistry, biological activity, and practical application of yeasts to aid in their scientific and practical use - Clarifies and simplifies the complex topic of glycolipids, and its often-confusing terminology
Author : Vaseem Firdaus
Publisher :
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.:/5 (153 download)
Download or read book Adsorption Onto Granular Activated Carbon from Aqueous Solution written by Vaseem Firdaus and published by . This book was released on 1981 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dmitry Murzin
Publisher : Royal Society of Chemistry
ISBN 13 : 178262113X
Total Pages : 280 pages
Book Rating : 4.7/5 (826 download)
Download or read book Biomass Sugars for Non-Fuel Applications written by Dmitry Murzin and published by Royal Society of Chemistry. This book was released on 2016 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing an overview of sugar-based technologies, this book is a valuable resource for chemists working to develop greener synthetic routes to chemicals and pharmaceuticals.
Author : Feng-Shou Xiao
Publisher : John Wiley & Sons
ISBN 13 : 1119128102
Total Pages : 416 pages
Book Rating : 4.1/5 (191 download)
Download or read book Nanoporous Catalysts for Biomass Conversion written by Feng-Shou Xiao and published by John Wiley & Sons. This book was released on 2017-09-07 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive introduction to the design, synthesis, characterization, and catalytic properties of nanoporous catalysts for the biomass conversion With the specter of peak oil demand looming on the horizon, and mounting concerns over the environmental impact of greenhouse gas emissions, biomass has taken on a prominent role as a sustainable alternative fuel source. One critical aspect of the biomass challenge is the development of novel catalytic materials for effective and controllable biomass conversion. Edited by two scientists recognized internationally for their pioneering work in the field, this book focuses on nanoporous catalysts, the most promising class of catalytic materials for the conversion of biomass into fuel and other products. Although various catalysts have been used in the conversion of biomass-derived feedstocks, nanoporous catalysts exhibit high catalytic activities and/or unique product selectivities due to their large surface area, open nanopores, and highly dispersed active sites. This book covers an array of nanoporous catalysts currently in use for biomass conversion, including resins, metal oxides, carbons, mesoporous silicates, polydivinylbenzene, and zeolites. The authors summarize the design, synthesis, characterization and catalytic properties of these nanoporous catalysts for biomass conversions, discussing the features of these catalysts and considering future opportunities for developing more efficient catalysts. Topics covered include: Resins for biomass conversion Supported metal oxides/sulfides for biomass oxidation and hydrogenation Nanoporous metal oxides Ordered mesoporous silica-based catalysts Sulfonated carbon catalysts Porous polydivinylbenzene Aluminosilicate zeolites for bio-oil upgrading Rice straw Hydrogenation for sugar conversion Lignin depolymerization Timely, authoritative, and comprehensive, Nanoporous Catalysts for Biomass Conversion is a valuable working resource for academic researchers, industrial scientists and graduate students working in the fields of biomass conversion, catalysis, materials science, green and sustainable chemistry, and chemical/process engineering.
Author : Gayle Newcombe
Publisher :
ISBN 13 :
Total Pages : 558 pages
Book Rating : 4.:/5 (222 download)
Download or read book A Study of Natural Organic Material and Its Adsorption Onto Activated Carbon written by Gayle Newcombe and published by . This book was released on 1999 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt:
