World Chromite Resources And Ferrochromium Production

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World Chromite Resources And Ferrochromium Production

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Author :
language : en
Publisher:
Release Date : 1988

World Chromite Resources And Ferrochromium Production written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.

Chromite ore was discovered in the Ural Mountains of Russia during 1798-1799, shortly after Nicolas-Louis Vauquelin had isolated chromium metal from a mineral named crocoite (lead chromate). Chromite occurs widely throughout the continents of the earth and beneath the oceans. It is a member of the spinel family and has the ideal composition FeO.Cr2O3, but it is seldom found in a pure state. Chromite is the basic raw material required by all sectors of the world's chromium industry. Chromite deposits are of two distinct types. In the Alpine or podiform variety, the ore occurs as lenses or strata enclosed in serpentine. In other deposits, such as the Stillwater Complex of Montana, USA, the Great Dyke of Zimbabwe, the Dufek Layered Intrusion of Antarctica, and the Bushveld Complex of South Africa, the chromite occurs in seams surrounded by mafic or ultramafic rocks that crystallized from magma intruded from the mantle of the earth. The USA was the world's leading producer of chromite until the mid 1800s, when it was superseded by Turkey. Since that time, large deposits have been discovered and exploited in various parts of the world, and today the USSR and South Africa are the most important producers. Some 21 countries rank among the world's major suppliers of chromite, and the strategic disposition of these resources has become a matter of vital concern to the non-Communist nations. Ferrochromium is produced by the smelting of chromite with carbon or silicon, and is a vital ingredient in the manufacture of stainless steel. Some chromite-producing countries manufacture ferrochromium for export, or for local use in the production of stainless steel, while other nations import chromite ore and convert it to ferrochromium as a means of earning foreign exchange. This publication traces the history of chromite discoveries from 1798 onwards, and describes the current situation in regard to chromite and ferrochromium production in each of the important nations involved in the world's chromium industry.

World Chromite Resources And Ferrochromium Production

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Author : Michael H. Silk
language : en
Publisher:
Release Date : 1988

World Chromite Resources And Ferrochromium Production written by Michael H. Silk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Chromite categories.

Chromium

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Author : John L. Morning
language : en
Publisher:
Release Date : 1976

Chromium written by John L. Morning and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Chromium categories.

Chromium

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Author : Canada. Department of Energy, Mines and Resources
language : en
Publisher: Ottawa, Canada : Energy, Mines and Resources Canada, Mineral and Earth Sciences Program
Release Date : 1983

Chromium written by Canada. Department of Energy, Mines and Resources and has been published by Ottawa, Canada : Energy, Mines and Resources Canada, Mineral and Earth Sciences Program this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Chromium categories.

This report, the third in a series on imported metal commodities, examines Canada's position on the principal chromium materials of chromite, ferrochromium, other chromium-bearing alloys, and chromium chemicals. The report lists the Canadian uses for these chromium materials and discusses current international sources of supply for Canadian users. Possible alternative sources of supply, both foreign and domestic, are considered and the possibility of using substitute materials in various end-uses is examined. The report is intended as a basis for the consideration of options and recommendations for government policy.

The Mineral Industry Of The British Empire And Foreign Countries

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Author : Great Britain. Imperial Mineral Resources Bureau
language : en
Publisher:
Release Date : 1921

The Mineral Industry Of The British Empire And Foreign Countries written by Great Britain. Imperial Mineral Resources Bureau and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1921 with Chromium ores categories.

World Trade In Chromite

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Author : Mrs. Hannah Marceline (Dayle) Hoar
language : en
Publisher:
Release Date : 1924

World Trade In Chromite written by Mrs. Hannah Marceline (Dayle) Hoar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1924 with Chromite categories.

The Chromium Industry Of The U S S R

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Author : Vasilii V. Strishkov
language : en
Publisher:
Release Date : 1985

The Chromium Industry Of The U S S R written by Vasilii V. Strishkov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Chromium industry categories.

Ferrochromium From Western Metallurgical Grade Chromite

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Author : Willard L. Hunter
language : en
Publisher:
Release Date : 1961

Ferrochromium From Western Metallurgical Grade Chromite written by Willard L. Hunter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Chromite categories.

Chromium Availability Market Economy Countries

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Author : Paul R. Thomas
language : en
Publisher:
Release Date : 1984

Chromium Availability Market Economy Countries written by Paul R. Thomas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Chromium industry categories.

International Strategic Minerals Inventory Summary Report

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Author : John H. DeYoung
language : en
Publisher:
Release Date : 1984

International Strategic Minerals Inventory Summary Report written by John H. DeYoung and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Chromium categories.