Bibliothèque de L'IMIST/CNRST

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Advanced oil crop biorefineries   Publication : [S.l.] Royal Society of Chemistry 2012 . 325 p. , In Europe, the main oil-rich crops are sunflower, rapeseed and olive which are grown primarily for food. This book discusses how to convert this whole crop into energy (fuels, power and heat), food and bioproducts (chemicals and/or materials), whilst making optimal use of the by-products generated during farming/harvesting, primary processing (oil extraction and refining) and secondary processing (transesterification). The resulting processes are more economically competitive and the business margin for oil and biodiesel manufacturers is improved. Previously, oil crops have been the main point of focus but many of the technologies used are applicable to a wide variety of raw materials. For example, cellulose from rapeseed straw can be converted to levulinic acid but the same technology could be applied to cellulose from wheat straw or wood. Significant effort is now being devoted to '2nd generation' raw materials such as ligno-cellulose which avoid direct competition with food sources. This volume integrates these developments with existing plant oil supply chains and combines biochemical and thermochemical processes to form integrated biorefinery schemes. Two unique features of the book are the information on LCA of biorefinery schemes and the surveys showing where traditional industries could be affected by new biorefinery developments. Energy and cost calculations for the key biorefinery processes and are also included revealing that some are surprisingly profitable and could offer significant global benefits. Other topics covered include: novel farming and harvesting methods, efficient extraction of plant oils, producing biodiesel without glycerol, extraction of high value chemicals from agricultural by-products, anaerobic digestion potential of agricultural by-products, use of proteins to yield amino acids, economics and life cycle analysis, stakeholder surveys, and policy scenarios. The book is of interest to academics working in relevant areas of chemistry, biology, materials, engineering, economics and policy studies. Those working in the EU farming industry will also find it relevant to their business. 24 cm. Date : 2012 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

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Energy crops   Publication : Cambridge Royal Society of Chemistry 2011 . 426 p. , The last few years have seen the concept of bioenergy and biofuels come of age. Rising oil prices have lead to more food crops being grown for energy as well as food. This has created controversy by adding to the upward pressure on crop commodity prices that was already being created by the increasing demand for food from an expanding population. More attention has, therefore, focussed on meeting the rising demand for bioenergy and biofuels in more sustainable ways. A wider range of crops is being explored, including non-food crops, as well as the use of crop residues rather than grain or seed. Energy Crops is a comprehensive reference source which looks at this topic from the plant and agricultural science perspective. It covers energy crops that are already in use and those that are being developed or researched. Species that have been cultivated by humankind for millennia, and some that have never been considered as crops before, fall within its coverage. The introductory chapter defines energy crops before reviewing the development and current state of the technology. It also gives an historical perspective and introduces the ethical issues. Each of the subsequent chapters is dedicated to a single crop and describes the current usage of that crop for energy, its potential for future development, the economics of its use for energy production, and the research that is being undertaken to tailor it for use as an energy crop. Where appropriate, the implications for food and feed security are balanced against the benefits in terms of fuel security, the impending oil supply 'peak', the need to reduce CO2 emissions, and the implications for climate change mitigation. Each chapter is written by a specialist author or authors of international standing. The chapters by representatives of the plant breeding and biofuel industries give an industrial perspective on why energy crops have 'come of age'. They also describe how the sector is expected to develop with a wish list of crop improvements that industry would like to see realized. These include higher levels of fermentable starch, cellulose, fibres and oil quality through to the production of pure hydrocarbons. The book is suitable for undergraduates, postgraduates, academics, and those working in industry. 24 cm. Date : 2011 Disponibilité : Exemplaires disponibles: La bibliothèque des Sciences Juridiques, Economiques et de Gestion (1),

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