M. Albert VanniceWilliam H. Joyce Chaired ProfessorDepartment of Chemical EngineeringThe Pennsylvania State UniversityUniversity Park, PA 16802mavche@engr.psu.eduLibrary of Congress Control Number: 2005923777ISBN-10: 0-387-24649-5 e-ISBN: 0-387-25972-4 Printed on acid-free paper.ISBN-13: 978-0387-24649-9