Extractive Metallurgy of Rare Earths: 2nd Edition (Hardback) book cover

Extractive Metallurgy of Rare Earths

2nd Edition

By Nagaiyar Krishnamurthy, Chiranjib Kumar Gupta

CRC Press

839 pages | 44 Color Illus. | 188 B/W Illus.

Choice Award Winner
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pub: 2015-12-16
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Description

New Edition Now Covers Recycling, Environmental Issues, and Analytical Determination

Employing four decades of experience in the rare metal and rare earths industry, the authors of Extractive Metallurgy of Rare Earths, Second Edition present the entire subject of rare earth elements with depth and accuracy. This second edition updates the most important developments from the past 10 years. It emphasizes advances made in rare-earth materials processing (converting a rare-earth metal, alloy, or compound to a device-ready material), breakthroughs in the area of rare-earth separation, and now includes a chapter on the recycling of rare earth elements from magnets, batteries, and phosphors among others, covering both manufacturing scrap or materials in end of life devices.

Essential to Your Collection

This second edition presents comprehensive, detailed, and up-to-date coverage that includes:

  • All aspects of rare earth extractive metallurgy
  • A status of rare earth extraction from various world resources
  • Flow sheets that can be used for rare earths separation, metal reduction, alloy making, refining and end product materials preparation
  • Techniques of various rare earths recycling options
  • An outline of environmental issues in rare earths mining and processing
  • Methods of rare earths determination and analyses of components and impurities in rare earth materials
  • Information extensively linked to primary literature with a complete listing of references
  • A narration of the changing scenario of world rare earth resources and possibility of their exploitation

An indispensable resource, Extractive Metallurgy of Rare Earths, Second Edition explainsthe many aspects of rare earth extractive metallurgy clearly and systematically. The text reveals process implementation possibilities and research opportunities, and considers potential solutions to the challenges impacting this rapidly changing industry.

Reviews

"For geologists, chemists, metallurgists, and students, it covers everything they want to know about rare earths — in short it is [the] book of the year."

Fathi Habashi, Laval University, Quebec, Canada

"Rare earth elements are finding increasing application in advanced technologies. The book is useful in bringing together the extensive information that is available about the potential sources of these elements and the technologies used to process them. …This is a timely update of a valuable reference source."

—Peter Hayes, The University of Queensland, Australia

"This book is an update to a very well written and valuable reference text that has capitalized on an important and scarce commodity. It provides invaluable information on a very important aspect of the development of green energy. Rare earth magnets have become essential components in a wide variety of technical advancements (windmills, Chevy Volt, etc.)."

—Patrick R. Taylor, Colorado School of Mines, Golden, USA

"[A strength of this book is] the completeness of the coverage. The addition of a recycling chapter is a good idea. … This is a timely update of a book that is already important. The sooner it appears in print, the better. "

—Mark E. Schlesinger, Missouri University of Science and Technology, Rolla, USA

"This is the best, most comprehensive, most up-to-date technical book on rare earths—a massive encyclopedic compilation without equal. The new edition, more than 300 pages longer than its predecessor (1st ed., 2004), was updated to include discussions of advances in the field and recycling. Krishnamurthy (Homi Bhabha National Institute, India) and Gupta (formerly, Bhabha Atomic Research Centre) organized the volume into 12 chapters. They begin with an introduction to the history, properties, and applications of the rare earths, followed by a discussion of geology, minerals, and specific occurrences worldwide. Later chapters cover processing (mining, beneficiation, etc.); reduction to the metals, including the chemistry and physics of different methods; metal refining processes; rare earth materials and their applications; recycling; "accurate and reliable techniques" for chemical characterization and analyses of rare earth materials; and environmental issues and select examples from many areas worldwide. The text is strongly and appropriately augmented by numerous tables, charts, and illustrations. Most outstanding is a reference list of about 1,260 items that deal with the many subtopics addressed. The book's value lies in its complete coverage of essential knowledge of rare earth metals, including their technology and uses."

CHOICE, September 2016

Table of Contents

The Rare Earths

Introduction

Discovery

Special Characteristics

Properties

Reactivity

Aqueous Systems

Applications

Global Rare-Earth Demand

Summary

Resources

Introduction

Crustal Abundance

Minerals

Rare-Earth Deposits

Resources and Reserves

Occurrence

By-Products and Coproducts

World Rare-Earth Production

A Scenario for the Immediate Future

Summary

Resource Processing

Introduction

Mining

Physical Beneficiation

Beneficiation of Other Rare-Earth Minerals

Chemical Treatment

Separation Processes

Scandium

Summary

Reduction

Introduction

Fundamentals

Metallothermy

Preparation of Rare-Earth Chlorides

Reduction of Rare-Earth Chlorides

Preparation of Rare-Earth Fluorides

Reduction of Rare-Earth Fluorides

Oxide Reduction Processes

New Reduction Procedures

Carbothermic Reduction

Electrolytic Production of Rare-Earth Metals

Recovery of Rare-Earth Metals as Alloys

Current Efficiency

Summary

Refining

Introduction

Origin of Impurities

Methods for Impurity Removal

Pyrovacuum Treatments

Pyrovacuum Techniques

Electrorefining

Ultrapurification Methods

Zone Refining

Solid-State Electrotransport

Zone Refining and Electrotransport

Iodide Refining

Miscellaneous Processes

Summary

Rare-Earth Materials

Introduction

Misch Metal

Rare Earth–Silicon–Iron Alloys

Rare Earth–Magnesium–Silicon Alloys

Rare Earth–Aluminum–Zinc Alloy

Yttrium–Aluminum Alloy

RE–TM–Mg Alloys

FCC Catalysts

Permanent Magnet Materials

Rare Earth–Co Permanent Magnets

Neodymium–Iron–Boron Magnets

Sm–Fe–N Magnets

Lanthanum Substitution in Ferrites

Magnetostrictive Material (Terfenol-D)

Magnetic Refrigerants (Magnetocaloric Materials)

Thin Film Deposition Processes

NiMH Battery and Hydrogen Storage Materials

Special Rare-Earth Ceramics

Preparation of Rare-Earth Phosphors

Superconductors

Summary

Recycling

Introduction

Materials for Recycling

Potential for Recycling

Processes for Recycling

Pyrometallurgical Processes

Hydrometallurgy

Separation of Individual Rare Earths

Magnets

Nickel–Metal Hydride Batteries

Phosphors

Glass-Polishing Powder

Catalysts

Optical Glass

Miscellaneous Materials

Summary

Analysis of Rare Earths

Introduction

Chemical Methods

Analytical Separation of Rare Earths

Instrumental Methods

Spectroscopy

ICP-MS

XRF

NAA

Other Instrumental Techniques

Determination of Interstitials

Summary

Environmental Aspects

Introduction

Contaminant Elements in Rare-Earth Ores

Main Process Steps in Mining and Processing

Contaminant Release Points

Environmental Aspects of Mining and Processing in China

Entry Criteria for Rare-Earth Industry (China)

Research and Development on Cleaner Production in China

Environment-Friendly Processing outside China

Mountain Pass

Bear Lodge

Mount Weld

Dubbo Zirconia Project

Kvanefjeld

Steenkampskrall Mine

Nechalacho Project

Summary

References

About the Authors

Dr. Nagaiyar Krishnamurthy was affiliated with the Materials Group, Bhabha Atomic Research Centre, Mumbai, India, for nearly four decades. He earned his BS degree at the University of Madras in 1974, his MSc in 1980, and his PhD in 1992, both at the University of Bombay. He is a professor at the Homi Bhabha National Institute and has been a member of Indian Rare Earths Technology Development Council. In addition, Dr. Krishnamurthy has published more than 100 papers and co-authored three books that include the first edition of Extractive Metallurgy of Rare Earths, published by CRC in 2004.

Dr. Chiranjib Kumar Gupta retired as the director of Materials Group, Bhabha Atomic Research Centre in January 2000 after decades of association with BARC. He was instrumental in formulating and directing the programs of the Materials Group in the areas of extraction and processing of refractory metals and materials. He pioneered the open aluminothermic reduction as a process of metal- and alloy-making and contributed extensively to the use of fused salt electrolysis for the preparation and refining of group V and VI refractory metals. He is an alumnus of Banaras Hindu University. Dr. Gupta has authored nearly 200 publications.

Subject Categories

BISAC Subject Codes/Headings:
SCI013000
SCIENCE / Chemistry / General
TEC009150
TECHNOLOGY & ENGINEERING / Civil / Soil & Rock
TEC021000
TECHNOLOGY & ENGINEERING / Material Science