Production of Hydrocarbons from Biomass Using the Waterloo Fast Pyrolysis Process PDF Download
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Author: University of Waterloo. Department of Chemical Engineering
Publisher:
ISBN:
Category : Biomass energy
Languages : en
Pages : 120
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Book Description
Earlier work in the laboratory had shown that it was possible to hydrogasify wood directly at atmospheric pressure in a fluidized bed of nickel catalyst at operating conditions corresponding to those that were optimal for maximum liquid yields in the Waterloo fast pyrolysis process. It was thought that it might be possible to produce higher hydrocarbons by the same method with suitably modified catalysts. This project investigated the possibility of direct single step production of light hydrocarbons (C2+) from wood or cellulose by a process called catalytic hydropyrolysis. A wide range of catalytic metals, singly or in combination, were investigated, as well as three supports. Metals investigated include iron, nickel, cobalt, zinc, zirconium, chromium, molybdenum, tungsten, silicon, aluminum, titanium, and magnesium.
Author: University of Waterloo. Department of Chemical Engineering
Publisher:
ISBN:
Category : Biomass energy
Languages : en
Pages : 120
Get Book Here
Book Description
Earlier work in the laboratory had shown that it was possible to hydrogasify wood directly at atmospheric pressure in a fluidized bed of nickel catalyst at operating conditions corresponding to those that were optimal for maximum liquid yields in the Waterloo fast pyrolysis process. It was thought that it might be possible to produce higher hydrocarbons by the same method with suitably modified catalysts. This project investigated the possibility of direct single step production of light hydrocarbons (C2+) from wood or cellulose by a process called catalytic hydropyrolysis. A wide range of catalytic metals, singly or in combination, were investigated, as well as three supports. Metals investigated include iron, nickel, cobalt, zinc, zirconium, chromium, molybdenum, tungsten, silicon, aluminum, titanium, and magnesium.
Author: A. V. Bridgwater
Publisher: Cpl Press
ISBN:
Category : Science
Languages : en
Pages : 208
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Book Description
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: Hassan Al- Haj Ibrahim
Publisher: BoD – Books on Demand
ISBN: 1789840635
Category : Science
Languages : en
Pages : 124
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Book Description
Pyrolysis is an irreversible thermochemical treatment process of materials at elevated temperatures in an inert atmosphere. It is basically a carbonisation process where an organic material is decomposed to produce a solid residue with high (or higher) carbon content and some volatile products. The decomposition reactions are accompanied in general with polymerisation and isomerisation reactions. The end products of pyrolysis can be controlled by optimizing pyrolysis parameters such as temperature and residence time. Pyrolysis is used heavily in the chemical industry to produce many forms of carbon and other chemicals from petroleum, coal, wood, oil shale, biomass or organic waste materials, and it is the basis of several methods for producing fuel from biomass. Pyrolysis also is the process of conversion of buried organic matter into fossil fuels.
Author: Zhen Fang
Publisher: Springer Nature
ISBN: 9811527326
Category : Medical
Languages : en
Pages : 456
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Book Description
This book presents a collection of studies on state-of-art techniques for converting biomass to chemical products by means of pyrolysis, which are widely applicable to the valorization of biomass. In addition to discussing the fundamentals and mechanisms for producing bio-oils, chemicals, gases and biochar using pyrolysis, it outlines key reaction parameters and reactor configurations for various types of biomass. Written by leading experts and providing a broad range of perspectives on cutting-edge applications, the book is a comprehensive reference guide for academic researchers and industrial engineers in the fields of natural renewable materials, biorefinery of lignocellulose, biofuels, and environmental engineering, and a valuable resource for university students in the fields of chemical engineering, material science and environmental engineering.
Author: Mohamed Samer
Publisher: BoD – Books on Demand
ISBN: 953513311X
Category : Science
Languages : en
Pages : 352
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Book Description
This book provides useful information about pyrolysis, which includes the pyrolysis of biomass and pyrolysis of fossil fuels and petrochemicals. Additionally, this book elucidates and illustrates further innovative pyrolysis processes such as catalytic pyrolysis, spray pyrolysis, and microwave-assisted pyrolysis. This book discusses the production of semiconductors and nanomaterials through the pyrolysis process.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Book Description
Lignocellulosic biomass conversion to produce biofuels has received significant attention because of the quest for a replacement for fossil fuels. Among the various thermochemical and biochemical routes, fast pyrolysis followed by catalytic hydrotreating is considered to be a promising near-term opportunity. This paper reports on experimental methods used 1) at the National Renewable Energy Laboratory (NREL) for fast pyrolysis of lignocellulosic biomass to produce bio-oils in a fluidized-bed reactor and 2) at Pacific Northwest National Laboratory (PNNL) for catalytic hydrotreating of bio-oils in a two-stage, fixed-bed, continuous-flow catalytic reactor. The configurations of the reactor systems, the operating procedures, and the processing and analysis of feedstocks, bio-oils, and biofuels are described in detail in this paper. We also demonstrate hot-vapor filtration during fast pyrolysis to remove fine char particles and inorganic contaminants from bio-oil. Representative results showed successful conversion of biomass feedstocks to fuel-range hydrocarbon biofuels and, specifically, the effect of hot-vapor filtration on bio-oil production and upgrading. As a result, the protocols provided in this report could help to generate rigorous and reliable data for biomass pyrolysis and bio-oil hydrotreating research.
Author: Robert C Brown
Publisher: Royal Society of Chemistry
ISBN: 1782626182
Category : Science
Languages : en
Pages : 291
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Book Description
Fast pyrolysis and related catalytic pyrolysis are of increasing interest as pathways to advanced biofuels that closely mimic traditional petroleum products. Research has moved from empirical investigations to more fundamental studies of pyrolysis mechanisms. Theories on the chemical and physical pathways from plant polymers to pyrolysis products have proliferated as a result. This book brings together the latest developments in pyrolysis science and technology. It examines, reviews and challenges the unresolved and sometimes controversial questions about pyrolysis, helping advance the understanding of this important technology and stimulating discussion on the various competing theories of thermal deconstruction of plant polymers. Beginning with an introduction to the biomass-to-biofuels process via fast pyrolysis and catalytic pyrolysis, chapters address prominent questions such as whether free radicals or concerted reactions dominate deconstruction reactions. Finally, the book concludes with an economic analysis of fast pyrolysis versus catalytic pyrolysis. This book will be of interest to advanced students and researchers interested in the science behind renewable fuel technology, and particularly the thermochemical processing of biomass.
Author: Abhijit Dutta
Publisher:
ISBN:
Category : Biomass
Languages : en
Pages : 262
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Book Description
Author: A. Bridgwater
Publisher: Elsevier Inc. Chapters
ISBN: 0128087595
Category : Technology & Engineering
Languages : en
Pages : 40
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Book Description
This chapter examines the fast pyrolysis of biomass to produce liquids for use as fuels and chemicals. The technology for fast pyrolysis is described and the characteristics of the main product bio-oil. This primary liquid is characterised by the many properties that affect its use. These properties have caused increasingly extensive research to be undertaken to address properties that need modification and this area is reviewed in terms of physical, catalytic and chemical upgrading. Of particular note is the increasing diversity of upgrading methods.
Author: Shurong Wang
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110386127
Category : Technology & Engineering
Languages : en
Pages : 445
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Book Description
With the development of societies fossil energy is no longer the only energy resource, and increasing attention had been paid to alternative energy. Biomass is considered to be one of the alternatives due to efficiency and low cost. This book presents biomass pyrolysis behavior for three main components: Cellulose, Hemicellulose and Lignin, and discusses the influence of mineral salts , zeolite catalysts and metal oxide on their pyrolysis.
