Algae Energy Algae as a New Source of Biodiesel

Climate change, environmental impact and declining natural resources are driving scientific research and novel technical solutions. Green Energy and Technology serves as a publishing platform for scientific and technological approaches to "green" - i.e.,

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Ayhan Demirbas · M. Fatih Demirbas

Algae Energy Algae as a New Source of Biodiesel

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Ayhan Demirbas Professor of Energy Technology Sirnak University Sirnak Turkey

M. Fatih Demirbas Sila Science and Energy Unlimited Company University Mah. 24 Akif Saruhan Cad., Mekan Sok. 61080 Trabzon Turkey

ISSN 1865-3529 ISBN 978-1-84996-049-6 e-ISBN 978-1-84996-050-2 DOI 10.1007/978-1-84996-050-2 Springer London Dordrecht Heidelberg New York British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library Library of Congress Control Number: 2010929649 © Springer-Verlag London Limited 2010 Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act 1988, this publication may only be reproduced, stored or transmitted, in any form or by any means, with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms of licenses issued by the Copyright Licensing Agency. Enquiries concerning reproduction outside those terms should be sent to the publishers. The use of registered names, trademarks, etc., in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant laws and regulations and therefore free for general use. The publisher and the authors make no representation, express or implied, with regard to the accuracy of the information contained in this book and cannot accept any legal responsibility or liability for any errors or omissions that may be made. Cover design: WMXDesign, Heidelberg, Germany Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)

Preface

This book examines the production of algae culture and usage of algal biomass conversion products. In this book, the modern biomass-based transportation fuels biodiesel, bio-oil, biomethane, biohydrogen, and high-value-added products from algae are briefly reviewed. The most significant distinguishing characteristic of algal oil is its yield and, hence, its biodiesel yield. According to some estimates, the yield (per acre) of oil from algae is over 200 times the yield from the best-performing plant/vegetable oils. The lipid and fatty acid contents of microalgae vary in accordance with culture conditions. The availability of algae and the advantages of algal oil for biodiesel production have been investigated. Billions of years ago the Earth’s atmosphere was filled with CO2 . Thus there was no life on Earth. Life on Earth started with Cyanobacteria and algae. These humble photosynthetic organisms sucked out the atmospheric CO2 and started releasing oxygen. As a result, the levels of CO2 started decreasing to such an extent that life evolved on Earth. Once again these smallest of organisms are poised to save us from the threat of global warming. In the context of climatic changes and soaring prices for a barrel of petroleum, biofuels are now being pr