Chromium : Introduction - metalbureau

Chromium : Introduction - metalbureau

Chromite ore is classified into metallurgical grade, refractory grade, and chemical grade .

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Podiform Chromite Deposits—Database and Grade ,

Podiform Chromite Deposits—Database and Grade ,

metallurgical, chemical, , form chromite tonnage and grade models are not significantly different from those of the original models of Singer and Page

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Chemical Grade Chrome Ore Wholesale, Chrome Ore ,

Chemical Grade Chrome Ore Wholesale, Chrome Ore ,

Chemical Grade Chrome Ore, Wholesale Various High Quality Chemical Grade Chrome Ore Products from Global Chemical Grade Chrome Ore Suppliers and Chemical Grade Chrome .

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Chromite - Wikipedia

Chromite - Wikipedia

Most of the chromite is of metallurgical grade with Cr 2 O 3 averaging 54% and a chrome to iron ratio of 26:1 Recently, the biggest user of chromite ore has been China, importing large quantities from South Africa, Pakistan, and other countri The concentrate is used to make ferrochrome, which is in turn used to make stainless ,

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Minerals | Chromite - Department of State Development

Minerals | Chromite - Department of State Development

Microprobe analysis showed the chromite to contain ~48% Cr 2 O 3 and 30% FeO, which may only be suitable as chemical-grade chromite Chemical composition is typical of chromite found in layered ultramafic complex

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Foundry Grade Chromite Sand - MTI Metalcasting

Foundry Grade Chromite Sand - MTI Metalcasting

Hevi-Sand® Foundry Grade Chromite Sand has more to offer than , The material is mined from the LG6 seam which results in the optimal balance of chemical .

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The effect of phase decomposition in quaternary chromite ,

The effect of phase decomposition in quaternary chromite ,

A phase transformation in chromite minerals , The effect of phase decomposition in quaternary chromite spinel on the , The chemical grade chromite ores are .

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Magnetic separation studies on ferruginous ,

Magnetic separation studies on ferruginous ,

duction of chemical-grade concentrate [12] In addition, the use of a multi-gravity separator (MGS) has been observed to be effective in minimizing the tailing losses, whereas mag- netic separation improves the Cr:Fe ratio of the concentrate from 16 to 18 The Cr:Fe ratio of two off-grade ferruginous chromite samples from India was ,

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Chromite sand - Refractory grade | Plomp Mineral ,

Chromite sand - Refractory grade | Plomp Mineral ,

Chromite sand is able to overcome the typical disadvantages of magnesia (shrinking tendency and high temperature coefficient)

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Characterization and Beneficiation of Anka ,

Characterization and Beneficiation of Anka ,

Vol6, No2 Characterization and Beneficiation of Anka Chromite Ore 147 33 Wet Chemical Analysis Standard chemical procedure [10] ,

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ULTRA FINE CHROMITE CONCENTRATION USING ,

ULTRA FINE CHROMITE CONCENTRATION USING ,

Chromite ore is the main source of chromium metal, chemical and refractory Based on certain Based on certain physical and chemical properties, the ore is classified for different user industri[1]

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Chromite | Earth Sciences Museum | University of ,

Chromite | Earth Sciences Museum | University of ,

Earth Sciences Museum » Resources » Detailed Rocks and Minerals Articles » Chromite Back to Rocks and Minerals Articl Kathy Feick Chromite is the main source of the metal chromium, a metal used to induce hardness, toughness and chemical resistance in steel It was named after its chemical composition, ,

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Chemical Grade Chromite Concentrates Data Sheet

Chemical Grade Chromite Concentrates Data Sheet

Chemical Grade Chromite Concentrates Data Sheet Specification: Cr2O3 4560 % minimum (458 - 462 % typ range) SiO2 128 % maximum (080-110 % typ .

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Conversion of Chromium Ore Processing Residue ,

Conversion of Chromium Ore Processing Residue ,

1 Conversion of Chromium Ore Processing Residue to Chrome Steel Introduction Chromium played an important role in the industrial development of New Jersey ,

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Minerals | Chromite - Department of State Development

Minerals | Chromite - Department of State Development

Chromite, a brownish black , which may only be suitable as chemical-grade chromite Chemical composition is typical of chromite found in layered ultramafic .

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STRATEGIC AND CRITICAL MATERIALS REPORT TO ,

STRATEGIC AND CRITICAL MATERIALS REPORT TO ,

STRATEGIC AND CRITICAL MATERIALS REPORT TO THE CONGRESS Operations under the Strategic and Critical Materials Stock Piling Act during the Period October 2000 through September 2001 DEPARTMENT OF DEFENSE Stockpile Report to the Congress – Fiscal Year 2001 i CONTENTS CHAPTERS I THE STRATEGIC AND ,

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Chromium - USGS

Chromium - USGS

disposal goals for chromium materials at 90,700 t of chemical grade chromite ore, , 90,700 t of refractory grade chromite ore, 136,000 t of chromium ferroalloys, .

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Industrial Use of Chromium | EVISA's Links Database

Industrial Use of Chromium | EVISA's Links Database

Industrial Use of Chromium Link , The primary commercial supply is in the form of chromite ore or , 912% were metallurgical grade, 52% chemical grade and .

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Extraction of Chromium from Chromite Ore

Extraction of Chromium from Chromite Ore

Chemical-grade chromite ore generally ranged from 40 to 46 pct Cr2O3 with a chromium-to-iron ratio of 15:1 to 2:1 Refractory-grade chromite ores contained a ,

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Samancor Chrome Mines - Mining Technology

Samancor Chrome Mines - Mining Technology

Samancor Chrome Min Share , ferrochrome producer and South Africa’s leading exporter of chemical-grade chromite and , as chemical-grade or foundry .

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Experiences in the production of J metallurgical and ,

Experiences in the production of J metallurgical and ,

metallurgical and chemical grade UG2 chromite concentrates from PGM tailings streams by NF Dawson* Synopsis Recovery of a chromite ,

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An investigation of the mineralogical properties of ,

An investigation of the mineralogical properties of ,

The chemical grade chromite ores are used extensively for the production of sodium chromate The mineralogical properties, which pose a major limitation in utilising a wide variety of chemical grade chromite ores from different origins, determine the yield of sodium chromate in the soda-ash roasting .

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Samancor Chrome Mines - Mining Technology

Samancor Chrome Mines - Mining Technology

Samancor was created in 1975 and its Chrome Division grew, mainly by acquisition, to become the world’s largest integrated ferrochrome producer and South Africa’s leading exporter of chemical-grade chromite and foundry sand

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Foundry Grade Chromite Sand - MTI Metalcasting

Foundry Grade Chromite Sand - MTI Metalcasting

Hevi-Sand® Foundry Grade Chromite Sand has more to offer than ordinary chromite sands Hevi-Sand® sets the world standard on quality control by providing full traceability through our quality control system on every bag Combined with worldwide logistics and a global technical support team, these components work together to provide the .

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FACTORS AFFECTING THE REDUCIBILITY OF ,

FACTORS AFFECTING THE REDUCIBILITY OF ,

Factors Affecting the Reducibility of Sintered Chromite Pellets and Chromite Lumpy Ore 77 carbon addition on the porosity was 23 % points /4/ An addition of wood .

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GOVERNMENT OF INDIA - IBM

GOVERNMENT OF INDIA - IBM

Chromite is an iron chromium oxide mineral and the only ore of chromium metal Chromite is a metal used to induce hardness, toughness and chemical resistance in Chromite is a metal used to induce hardness, toughness and chemical resistance in

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Composition and properties of chromite ores from new ,

Composition and properties of chromite ores from new ,

The chromite ores from the four deposits studied show a varying composition and a variety of physical properties due to their modification by secondary processes — metamorphosis and ancient weathering In chemical composition, most of the chromite ore samples after averaging come up to the .

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Rand York Minerals - Specifications

Rand York Minerals - Specifications

Rand York Minerals (Pty) Ltd exclusively processes and markets foundry chromite sand for the London listed Xstrata Group, sourced from various suppliers in Southern Africa All chrome is mined in the Bushveld complex, the principle chromite deposit in South Africa Products Product Specifications Rand York supplies foundry, chemical and .

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Chromite- mineralogy and processing - ScienceDirect

Chromite- mineralogy and processing - ScienceDirect

Chemical grade chromite ore, used to manufacture sodium dichromate, generally has a Cr203 content of over 44%, with a Cr:Fe ratio of about 15, and a silica content of less than 35% Refractory grade chromite traditionally has low (30-40%) Cr203 content, with a relatively high (25-32%) AI203 content The annual prices of metallurgical and .

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v115n8a6 Comparison of physical properties of ,

v115n8a6 Comparison of physical properties of ,

grade chromite ore originating from the LG or MG seams However, , Chemical characterization of chromite ore samples was performed with a Spectro Ciros

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