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The analysis, development, and/or operation of high temperature
processes that involve the production of ferrous and nonferrous
metals, alloys, and refractory and ceramic materials are covered in
the book. The innovative methods for achieving impurity segregation
and removal, by-product recovery, waste minimization, and/or energy
efficiency are also involved. Eight themes are presented: 1: High
Efficiency New Metallurgical Process and Technology 2: Fundamental
Research of Metallurgical Process 3: Alloys and Materials
Preparation 4: Direct Reduction and Smelting Reduction 5: Coking,
New Energy and Environment 6: Utilization of Solid Slag/Wastes and
Complex Ores 7: Characterization of High Temperature Metallurgical
Process
Computer technology in the past fifteen years has essentially rev
olutionized engineering education. Complex systems involving
coupled mass transport and flow have yielded to numerical analysis
even for relatively complex geometries. The application of such
technology together with advances in applied physical chemistry
have justified a general updating of the field of heterogeneous
kinetics in extractive metallurgy. This book is an attempt to cover
significant areas of extrac tive metallurgy from the viewpoint of
heterogeneous kinetics. Kinetic studies serve to elucidate
fundamental mechanisms of reac tions and to provide data for
engineering applications, including improved ability to scale
processes up from bench to pilot plant. The general theme of this
book is the latter-the scale-up. The practicing engineer is faced
with problems of changes of order of magnitude in reactor size. We
hope that the fundamentals of heterogeneous kinetics will provide
increasing ability for such scale-up efforts. Although ther
modynamics is important in defining potential reaction paths and
the end products, kinetic limitations involving molecular
reactions, mass trans port, or heat flow normally influence
ultimate rates of production. For this reason, rate processes in
the general field of extractive metallurgy have been emphasized in
this book."
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