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The Biotechnology of Ethanol
Classical and Future Applications
Edited by M. Roehr
WILEY-VCH
The Biotechnology of Ethanol: Classical and Future Applications.
Edited by M. Roehr
Copyright © 2001 WILEY-VCH Verlag GmbH, Weinheim
ISBN: 3-527-30199-2
The Biotechnology of Ethanol
Classical and Future Applications
Edited by M. Roehr
WILEY-VCH
Weinheim • New York • Chichester • Brisbane • Singapore • Toronto
Editor:
Prof. M. Roehr
Institut fur Biochemische Technologic
und Mikrobiologie
Technische Universitat
Getreidemarkt 9/12
1060 Wien
Austria
Authors:
Prof. Dr. N. Kosaric
The University of Western Ontario
Department of Chemical and
Biochemical Engineering
London, Ontario N6A 5B9
Canada
Prof. Dr. F. Vardar-Sukan
Ege University
Department of Chemical Engineering
Bornova 35000
Izmir
Turkey
Prof. Dr. H. J. Pieper
Dr. T. Senn
Universitat Hohenheim
Fachgruppe 5
Lebensmitteltechnologie
Garbenstrasse 20
D-70599 Stuttgart
Germany
This book was careful produced. Nevertheless, authors, editor, and publisher do not warrant the
information contained therein to be free of errors. Readers are advised to keep in mind that
statements, data, illustrations, procedural details or other items inadvertently be inaccurate.
Library of Congress Card No: applied for
British Library Cataloguing-in-Publication Data:
A catalogue record for this book is available from the British Library
Die Deutsche Bibliothek - CIP-Cataloguing-in-Publication-Data
A catalogue record for this publication is available from Die Deutsche Bibliothek
ISBN 3-527-30199-2
© WILEY-VCH Verlag GmbH, D-69469 Weinheim (Federal Republic of Germany), 2001
Printed on acid-free paper.
All rights reserved (including those of translation in other languages). No part of this book may be
reproducted in any form - nor transmitted or translated into machine language without written
permission from the publishers. Registered names, trademarks, etc. used in this book, even when
not specifically marked as such, are not to be considered unprotected by law.
Composition and Printing: Zechner Datenservice und Druck, Speyer
Bookbinding: Wilh. Osswald + Co., Neustadt
Printed in the Federal Republic of Germany
Preface
After two centuries of almost absolute belief in technical and economic
progress, human society is in a period of reconsideration and elaboration of
new strategies for the ongoing new century. Progress of our civilization with an
explosive rise in world population has led to an enormously increased con-
sumption of resources and to an equal threat to the environment. Coping with
these problems requires all intellectual abilities of our society. In this endeav-
or, biotechnology is considered to play a significant role. Notably the question
of responsible use of resources for food, energy, and alternative products and
production processes has created various reasonable solutions following the
crisis in the early 1970s - new routes, but also rediscoveries of others which
have been developed under different conditions in the past.
One of the examples discussed as possible alternative and investigated dur-
ing the last few decades is the production of ethanol from various feedstocks.
The objective of the present book is to provide a concise overview on the
state-of-the-art of the manufacture of this valuable commodity which can be
utilized in various fields of applications. Biotechnologists as well as other peo-
ple engaged in considering alternative ways of the sustainable use of renew-
able resources will find information and useful examples.
In Part I, written by Thomas Senn and Hans Joachim Pieper, University of
Hohenheim, Germany, displays the present knowledge of modern distillery
technology as carried out in most European countries, using mainly common
starch-containing feedstocks. Needless to say that the latest developments of
raw materials processing and fermentation technology, particularly consider-
ing the difficult energy economics, are covered.
Part II, written by Nairn Kosaric, University of Western Ontario, London,
Canada, and Fazilet Vardar-Sukan, Ege University of Izmir, Turkey, a wealth of
information regarding the use and processing of mainly unconventional raw
materials is provided, and special applications are treated, particularly empha-
sizing the economic and ecological constraints. Case studies and various calcu-
lation examples are presented to enable the reader to become familiar with the
various considerations to be taken into account, if alcohol be produced for dif-
ferent applications such as fuel or as a commodity in the chemical industry.
Special attention is directed to the case of motor fuel additions and the respec-
tive implications.
Inevitably, there might be some overlap between the contributions of the
two teams of authors, especially regarding downstream operations in the pro-
duction of ethanol, or the use of conventional raw materials for unconvention-
al applications. To the opinion of the editor, this might rather be considered as
an advantage according to the motto:
Duo cumfaciunt idem, non est idem
(Terentius).
VI
Preface
It is anticipated that the treatise and the data presented will help readers
with different scopes and professions to examine and decide whether and
where the production of ethanol under a given set of conditions will be justi-
fied, and perhaps some of the facts and considerations presented might induce
new ideas.
Last but not least, the editor of this volume wishes to acknowledge the ex-
cellent cooperation and patience of Karin Dembowsky from WILEY-VCH.
Vienna, October 2000
M. Roehr

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