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Author : Jelle Wildschut
Publisher :
ISBN 13 : 9789036741132
Total Pages : 190 pages
Book Rating : 4.7/5 (411 download)
Download or read book Pyrolysis Oil Upgrading to Transportation Fuels by Catalytic Hydrotreatment written by Jelle Wildschut and published by . This book was released on 2009 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mark Crocker
Publisher : John Wiley & Sons
ISBN 13 : 3527344667
Total Pages : 634 pages
Book Rating : 4.5/5 (273 download)
Download or read book Chemical Catalysts for Biomass Upgrading written by Mark Crocker and published by John Wiley & Sons. This book was released on 2020-03-09 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive reference to the use of innovative catalysts and processes to turn biomass into value-added chemicals Chemical Catalysts for Biomass Upgrading offers detailed descriptions of catalysts and catalytic processes employed in the synthesis of chemicals and fuels from the most abundant and important biomass types. The contributors?noted experts on the topic?focus on the application of catalysts to the pyrolysis of whole biomass and to the upgrading of bio-oils. The authors discuss catalytic approaches to the processing of biomass-derived oxygenates, as exemplified by sugars, via reactions such as reforming, hydrogenation, oxidation, and condensation reactions. Additionally, the book provides an overview of catalysts for lignin valorization via oxidative and reductive methods and considers the conversion of fats and oils to fuels and terminal olefins by means of esterification/transesterification, hydrodeoxygenation, and decarboxylation/decarbonylation processes. The authors also provide an overview of conversion processes based on terpenes and chitin, two emerging feedstocks with a rich chemistry, and summarize some of the emerging trends in the field. This important book: -Provides a comprehensive review of innovative catalysts, catalytic processes, and catalyst design -Offers a guide to one of the most promising ways to find useful alternatives for fossil fuel resources -Includes information on the most abundant and important types of biomass feedstocks -Examines fields such as catalytic cracking, pyrolysis, depolymerization, and many more Written for catalytic chemists, process engineers, environmental chemists, bioengineers, organic chemists, and polymer chemists, Chemical Catalysts for Biomass Upgrading presents deep insights on the most important aspects of biomass upgrading and their various types.
Download or read book Catalytic Hydrotreatment for the Development of Renewable Transportation Fuels written by and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract : Biologically-derived feedstocks are a highly desirable source of renewable transportation fuel. They can be grown renewably and can produce fuels similar in composition to conventional fossil fuels. They are also versatile and wide-ranging. Plant oils can produce renewable diesel and wood-based pyrolysis oils can be made into renewable gasoline. Catalytic hydrotreatment can be used to reduce the oxygen content of the oils and increase their viability as a "drop-in" transportation fuel, since they can then easily be blended with existing petroleum-based fuels. However, product distribution depends strongly on feedstock composition and processing parameters, especially temperature and type of catalyst. Current literature contains relatively little relevant information for predicting process-level data in a way that can be used for proper life cycle or techno-economic assessment. For pyrolysis oil, the associated reaction pathways have been explored via experimental studies on model compounds in a bench scale hydrotreatment reactor. The reaction kinetics of each compound were studied as a function of temperature and catalyst. This experimental data is used to determine rate constants for a hybrid, lumped-parameter kinetic model of paradigm compounds and pyrolysis oil, which can be used to scale-up this process to simulate larger, pilot-scale reactors. For plant oils, some appropriate data was found in the literature and adapted for a preliminary model, while some experimental data was also collected using the same reactor constructed for the pyrolysis oil studies. With a systematic collection of kinetic data, hydrotreatment models can be developed that can predict important life cycle assessment inputs, such as hydrogen consumption, energy consumption and greenhouse gas production, which are necessary for regulatory and assessment purposes. As a demonstration of how this model can be incorporated into assessment tools, a technoeconomic analysis was performed on the hydrothermal liquefaction of lignin from a pulp mill, with some of the products sent to a refinery to create biofuel and some of the products used to create BTEX. The process-level model developed earlier was used to model hydrotreatment reactors used to generate commodity chemical co-products from phenolic compounds. Overall, this process showed promise and, with improving separations technology, could be a valuable source of revenue for pulp mills and refiners. However, in order to be truly profitable, the minimum selling price of the biofuel would need to be between $3.52 and $3.96 per gallon.
Author : A.V. Bridgwater
Publisher : Springer Science & Business Media
ISBN 13 : 9400927371
Total Pages : 1208 pages
Book Rating : 4.4/5 (9 download)
Download or read book Research in Thermochemical Biomass Conversion written by A.V. Bridgwater and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This conference is the second such meeting under the auspices of the International Energy Agency's Bioenergy Agreement. The first lEA sponsored Fundamentals of Thermochemical Biomass Conversion Conference was held in Estes Park in 1982 and attracted 153 delegates from 13 countries around the world at a time when interest in biomass derived energy was at a peak. Since then oil prices have fallen considerably and with most prognoses for level prices until the end of the century, there has been a significant downturn in support for biomass conversion technologies. It has been particularly encouraging, therefore, to have received such an excellent response to this meeting. A total of 122 papers were offered, and 135 delegates registered for the conference from 19 countries. The theme of this meeting was Research in Thermochemical Biomass Conversion to reflect the advances made in research, development, demonstration and com mercialisation since the Fundamentals meeting in 1982. The programme was divided into sections on fundamental research, applied research, and demonstration and commercial activities to emphasise the interaction and roles of all levels of research in supporting the eventual commercial implementation. The layout of the pro ceedings reflects this same pattern, with an introductory section on status and technoeconomics to identify opportunities and constraints in different parts of the world. All the papers included in these proceedings have been subjected to the usual peer review process to ensure the highest standards.
Author : Yinglei Han
Publisher :
ISBN 13 :
Total Pages : 303 pages
Book Rating : 4.6/5 (985 download)
Download or read book Alternative Transportation Fuels Production from Cohydrotreatment of Vegetable Oil and Pyrolysis Oils Derived from Biomass and Tires written by Yinglei Han and published by . This book was released on 2020 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pyrolysis oils derived from biomass and tire are viscous, heavy, chemically unstable liquids that contain heteroatoms (O, S) therefore, cracking, stabilization, deoxygenation or desulfurization of these oils through catalytic hydrotreatment has become the crucial step to yield transportation fuels. The main challenge in such process is that undesirable polymerization and crosslinking reactions still readily occur, leading to catalyst deactivation and then stop the desired stabilization, cracking, deoxygenation/desulfurization reaction in hydrotreatment. Hydrogen-donor solvents had been proved to be effective in reducing the coke formation for pyrolysis oil hydrotreatment. However, such addition to the feed posed difficulty on the products-recovery process. In this dissertation we had carefully examined the vegetable oil to study its possibility to serve as an efficient hydrogen-donor solvent in hydrotreatment of pyrolysis oil from tires and biomass. Potential success on such coprocessing could not only result in the "drop-in" fuels with both aliphatic and aromatic hydrocarbons, but also provide ease to scale up the process by utilizing the existing infrastructure (HEFA process). We reported the hydrocarbon fuels production from cohydrotreatment of canola oil and pyrolysis tire oil. The yields of the liquid products were above 90.wt.% with very low yields of coke. Naphtha, kerosene, and diesel cuts can be readily obtained from these liquids, symbolizing the feasibility of the proposed cohydrotreatment. However, for cohydrotreatment of vegetable oil and bio-oil, a pretreatment is needed to remove the sugar fractions that been identified as the main precursors of coke formation. Liquid-liquid extraction was therefore designed to yield two separated phases with the major sugars removed with the aqueous phase. Ternary phase diagram was initially constructed for organic solvent/water/bio-oil and the results indicated that 1-butanol was the most effective organic solvent with which the highest separation factor between the sugars and phenols can be obtained at the desirable solvent/feed ratio. Our experimental studies demonstrated that cohydrotreatment of vegetable oil and the resulting lignin-rich fraction of bio-oil yielded up to 90 wt.% liquid products with the reduced coke formation. A synergetic effect was observed during cohydrotreatment of vegetable oil and lignin-rich oil. Once a hydrocracking of the lignin-rich oil was performed, the coke yield on the lignin-oil basis in the following cohydrotreatment can be lowered from 34.7 to 6.6 wt.%.
Author : Kostas Triantafyllidis
Publisher : Newnes
ISBN 13 : 0444563326
Total Pages : 607 pages
Book Rating : 4.4/5 (445 download)
Download or read book The Role of Catalysis for the Sustainable Production of Bio-fuels and Bio-chemicals written by Kostas Triantafyllidis and published by Newnes. This book was released on 2013-03-19 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Role of Catalysis for the Sustainable Production of Bio-fuels and Bio-chemicals describes the importance of catalysis for the sustainable production of biofuels and biochemicals, focused primarily on the state-of-the-art catalysts and catalytic processes expected to play a decisive role in the "green" production of fuels and chemicals from biomass. In addition, the book includes general elements regarding the entire chain of biomass production, conversion, environment, economy, and life-cycle assessment. Very few books are available on catalysis in production schemes using biomass or its primary conversion products, such as bio-oil and lignin. This book fills that gap with detailed discussions of: - Catalytic pyrolysis of lignocellulosic biomass - Hybrid biogasoline by co-processing in FCC units - Fischer-Tropsch synthesis to biofuels (biomass-to-liquid process) - Steam reforming of bio-oils to hydrogen With energy prices rapidly rising, environmental concerns growing, and regulatory apparatus evolving, this book is a resource with tutorial, research, and technological value for chemists, chemical engineers, policymakers, and students. - Includes catalytic reaction mechanism schemes and gives a clear understanding of catalytic processes - Includes flow diagrams of bench-, pilot- and industrial-scale catalytic processing units and demonstrates the various process technologies involved, enabling easy selection of the best process - Incorporates many tables, enabling easy comparison of data based on a critical review of the available literature
Author : Ajay K. Dalai
Publisher :
ISBN 13 : 9780841298422
Total Pages : 372 pages
Book Rating : 4.2/5 (984 download)
Download or read book Catalytic and Noncatalytic Upgrading of Oils written by Ajay K. Dalai and published by . This book was released on 2022-02-04 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book is about Catalytic and Noncatalytic Upgrading of Oils"--
Author :
Publisher :
ISBN 13 :
Total Pages : 99 pages
Book Rating : 4.:/5 (986 download)
Download or read book Upgrading of Intermediate Bio-Oil Produced by Catalytic Pyrolysis written by and published by . This book was released on 2015 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this project were to (1) develop a process to upgrade catalytic pyrolysis bio-oil, (2) investigate new upgrading catalysts suited for upgrading catalytic pyrolysis bio-oil, (3) demonstrate upgrading system operation for more than 1,000 hours using a single catalyst charge, and (4) produce a final upgraded product that can be blended to 30 percent by weight with petroleum fuels or that is compatible with existing petroleum refining operations. This project has, to the best of our knowledge, for the first time enabled a commercially viable bio-oil hydrotreatment process to produce renewable blend stock for transportation fuels.
Author : Lasse Rosendahl
Publisher : Woodhead Publishing
ISBN 13 : 0081010257
Total Pages : 372 pages
Book Rating : 4.0/5 (81 download)
Download or read book Direct Thermochemical Liquefaction for Energy Applications written by Lasse Rosendahl and published by Woodhead Publishing. This book was released on 2017-11-14 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Direct Thermochemical Liquefaction for Energy Applications presents the state-of-the-art of the value chains associated with these biomass conversion technologies. It covers multiple feedstock availability and feedstock composition impact on process chemistry and product quality and composition. Expert authors from around the world explore co-processing benefits, process parameters, implementation and scaling, upgrading to drop-in liquid biofuels or integration into existing petrochemical refinery infrastructure. Finally, these topics are put into a sustainability perspective by establishing an LCA framework for this type of process. Its focus on implementation based on the most comprehensive knowledge makes this book particularly useful for researchers and graduate students from all sorts of background working in the field of biomass and biofuels. It is also a valuable reference for engineers working to commercialize DTL technologies, engineering specialists designing process equipment, refinery professionals and developers. - Focuses on implementation and scaling of direct thermochemical liquefaction technologies for biomass conversion into biofuels - Covers the state-of-the-art of the technologies, as well as technical and sustainability implementation aspects - Includes new approaches and concepts developed around the world within the different DTL technologies
Author : Yinglei Han
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (913 download)
Download or read book Upgrading of Pyrolysis Bio-oil to Renewable Fuels by Hydrodeoxygenation written by Yinglei Han and published by . This book was released on 2014 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fast pyrolysis is a process can convert woody biomass to a crude bio-oil (pyrolysis oil). However, some of these compounds contribute to bio-oil shelf life instability and difficulty in refining. Catalytic hydrodeoxygenation (HDO) of the bio-oil can upgrade the bio-oil into transportation fuels. Therefore, nickel (Ni) and ruthenium (Ru) catalysts supporting on a novel nanomaterial, silica nanospring (NS) showed the best performance for HDO of phenol. In terms of bio-oil hydrotreatment, the bio-oil was fractionated by phase separation by addition of water to obtain a water-insoluble (WIS) and water-soluble (WS) fractions from the bio-oil. The WS of bio-oil can be upgraded into cycloalkanes of 30% wt. and alcohols of 18% wt. over Ni(65%)/SiO2-Al2 O3 catalyst. The WIS of bio-oil had been effectively cracked in methanol over Ni(65%)/SiO2-Al2 O3 catalyst. A further step of HDO on the cracked oil had successfully deoxygenated the phenolics into cycloalkanes.
Author : Gabriele Centi
Publisher : John Wiley & Sons
ISBN 13 : 3527621121
Total Pages : 448 pages
Book Rating : 4.5/5 (276 download)
Download or read book Catalysis for Renewables written by Gabriele Centi and published by John Wiley & Sons. This book was released on 2008-01-08 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: With its focus on catalysis and addressing two very hot and timely topics with significant implications for our future lives, this will be a white book in the field. The authority behind this practical work is the IDECAT Network of Excellence, and the authors here outline how the use of catalysis will promote the more extensive use of renewable feedstocks in chemical and energy production. They present the latest applications, their applicability and results, making this a ready reference for researchers and engineers working in catalysis, chemistry, and industrial processes wishing to analyze options, outlooks and opportunities in the field.
Author : A.V. Bridgwater
Publisher : Springer Science & Business Media
ISBN 13 : 9400915594
Total Pages : 1630 pages
Book Rating : 4.4/5 (9 download)
Download or read book Developments in Thermochemical Biomass Conversion written by A.V. Bridgwater and published by Springer Science & Business Media. This book was released on 2013-11-21 with total page 1630 pages. Available in PDF, EPUB and Kindle. Book excerpt: There have been many developments in the science and technology of thermo chemical biomass conversion since the previous conference on Advances in Thermochemical Biomass Conversion in Interlaken, Switzerland, in 1992. This fourth conference again covers all aspects of thermal biomass conversion systems from fundamental research through applied research and development to demon stration and commercial applications to reflect the progress made in the last four years. All aspects of bioenergy systems are covered from pretreatment through to end-user applications with increased consideration paid to the environmental benefits and problems of implementing bio-energy systems. There was an excellent response with over 200 papers offered and over 180 delegates from 29 countries attending the conference. The programme was divided into five main areas covering pyrolysis, pretreatment, gasification, combustion and system studies and this division is reflected in the structure of these conference proceedings. Each main section was preceded by a state-of-the-art review to provide a focus for the ensuing presentations and an authoritative reference. All the papers included have been subject to a full peer review process. As with any international conference, an important aim was to exchange ideas and discuss problems with fellow researchers, as well as to hear about the latest research and development and applications. A workshop programme was included to encourage this interaction in areas of interest selected by participants. The resul tant workshop reports provide a summary of topical problems and opportunities.
Author : A. V. Bridgwater
Publisher : Cpl Press
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.F/5 ( download)
Download or read book Fast Pyrolysis of Biomass written by A. V. Bridgwater and published by Cpl Press. This book was released on 1999 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edited and updated version of the final report of the IEA Bioenergy Pyrolysis Task, is useful both to newcomers to the subject area and those already involved in research, development, and implementation.
Author : Claus Borgnakke
Publisher :
ISBN 13 : 9781118321775
Total Pages : 770 pages
Book Rating : 4.3/5 (217 download)
Download or read book Fundamentals of Thermodynamics written by Claus Borgnakke and published by . This book was released on 2013-06-27 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now in a new edition, this book continues to set the standard for teaching readers how to be effective problem solvers, emphasizing the authors's signature methodologies that have taught over a half million students worldwide. This new edition provides a student-friendly approach that emphasizes the relevance of thermodynamics principles to some of the most critical issues of today and coming decades, including a wealth of integrated coverage of energy and the environment, biomedical/bioengineering, as well as emerging technologies. Visualization skills are developed and basic principles demonstrated through a complete set of animations that have been interwoven throughout.
Author : Bo Zhang
Publisher : World Scientific
ISBN 13 : 1786344858
Total Pages : 316 pages
Book Rating : 4.7/5 (863 download)
Download or read book Hydroprocessing Catalysts And Processes: The Challenges For Biofuels Production written by Bo Zhang and published by World Scientific. This book was released on 2018-04-09 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: The demand for hydroprocessing catalysts has shown an increasing trend, because of their applications in refining of petroleum and biofuels, in order to comply with strict environmental regulations controlling emissions from transportation vehicles.Transport fuel is dominated by fossil fuels with carbon emission intensive production methods. If we are to move away from these sources, the alternative is to produce liquid fuels from agricultural stocks — crops, crop waste, forestry waste or algae. Converting these feedstocks into high quality fuels is a considerable challenge.By describing the current status in processing agricultural feedstock into high quality liquid transport fuels, the authors set out the means to develop better chemistry and catalysis for the necessary conversion processes. This book offers an intriguing insight into the mechanisms and protocols involved in new hydroprocessing catalysts and processes, and covers the methods for upgrading these liquids to modern transport vehicles suitable for operation in modern gasoline and diesel engines.It provides an introduction to the mechanism of hydroprocessing reactions, application of different metals in hydroprocessing, the effect of catalyst supports, applications in refining new feedstock, renewable fuels standards, the management of spent hydroprocessing catalysts, and hydrogen production.Hydroprocessing Catalysts and Processes will prove useful for both researchers in academe and industry concerned with future fuels development and treatment to produce current and future liquid transport fuels.
Author : Juan Carlos Serrano-Ruiz
Publisher : CRC Press
ISBN 13 : 1771882212
Total Pages : 324 pages
Book Rating : 4.7/5 (718 download)
Download or read book Advanced Biofuels written by Juan Carlos Serrano-Ruiz and published by CRC Press. This book was released on 2015-05-27 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title includes a number of Open Access chapters.Sustainability demands that we meet the needs of our present world without compromising the needs of future generations. As a result, sources and methodologies for renewable energy are being urgently investigated. Biomassoffers one of the most readily implemented, low-cost alternatives to fossil
Author : Wim P. M. van Swaaij
Publisher : CRC Press
ISBN 13 : 9814613894
Total Pages : 762 pages
Book Rating : 4.8/5 (146 download)
Download or read book Biomass Power for the World written by Wim P. M. van Swaaij and published by CRC Press. This book was released on 2015-04-06 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy from solar radiation, fixated by self-assembling plant structures, creates biomass that is converted to energy carriers fit for application in today's and tomorrow's energy-generating equipment. The central theme of this book is the development of the current largest renewable energy source for efficient applications in modern and developing
