Biotechnology Ethanol.pdf

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

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

Prof. Dr. H. J. Pieper

The University of Western Ontario

Dr. T. Senn

Department of Chemical and

Universitat Hohenheim

Biochemical Engineering

Fachgruppe 5

London, Ontario N6A 5B9

Lebensmitteltechnologie

Canada

Garbenstrasse 20

D-70599 Stuttgart

Prof. Dr. F. Vardar-Sukan

Germany

Ege University

Department of Chemical Engineering

Bornova 35000

Izmir

Turkey

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

Printed on acid-free paper.

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).

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