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METHOD FOR THE CONVERSION OF CHROMITE ORE TO SODIUM CHROMATE

US3816094 * Mar 9, 1972 Jun 11, 1974 Allied Chem Method for the conversion of chromite ore to sodium chromateWilliam W,Douglas G.Method for the

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Method for manufacturing alkali chromates from chromium ore

A method for manufacturing alkali chromates by the reacting of chromium ore with alkali compounds and oxidation in an atmosphere containing at least 50%

Assessment on uncertainness of ferrous oxide in iron ore

iron oreferrous oxidedetermination by titration of potassium bichromateThe present paper discusses and compares the various uncertain factors in measurement o

Dissolution of noble metals

The invention provides a reagent suitable for the dissolution of metallic gold and various methods for the application of the reagent including gold analysis

A COMPARATIVE STUDY OF THE FORMATION OF SODIUM CHROMATE FROM

ABSTRACT: The formation of sodium chromate from mixtures of high silica chromite ore concentrate (48.8%) and soda ash with the addition of cement by-

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Microbiological removal of chromate from contaminated waste

A new strain of Pseudomonas fluorescens is disclosed for use in the removal of chromate from waste water.

Process for the utilization of vanadium from chromium ore as

vanadium pentoxide during the course of the fusion of the chromium ore with alkali and its work-up to produce sodium chromate solution and sodium

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A PROCESS FOR EXTRACTION OF NICKEL FROM LOW GRADE CHROMITE ORE

The major oxide ore deposits are in Indonesia, the crushed low-grade chromate ore is fed to theslurry overflows to reactor R-301B by gravity

of chrome waste for the production of sodium chromate(VI)

on the utilisation of chrome waste for the production of sodium chromate(VIThe results of umeacted chrome ore recovery, capable of being suited for

Production of metal carbides

Chromium or other metal carbides are recovered from chromates or equivalent soluble metal salts in substantially pure form by solid state carburization. The

Pyrolysis Treatment of Chromite Ore Processing Residue with

ABSTRACT Chromite Ore Processing Residue (COPR) is the byproduct of chromate production process, which contains a large amounts of Cr(VI). The present

Manufacture of soluble alkali chromates

2005719-This invention relates to the manufacture of soluble alkali chromates, and has for its object the provision of certain improvements therein

Method for production of alkali metal chromates

2009214-This invention relates to a method for producing chromates, especially for producing alkali metal chromates. The method comprises following

Chromate and dichromate - Wikipedia

Rare potassium chromate minerals and related compounds are found in the Atacama desert. Chromite ore is heated with a mixture of calcium carbonate and

Roasting of Chromite Ore to Produce Potassium Chromate

2007625-Investigation of Efficient Conditions for Oxidative Roasting of Chromite Ore to Produce Potassium Chromate with KOH Additivechromite ore

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Extraction of Sodium Chromate from Chrome Ore Roast :

Extraction of Sodium Chromate from Chrome Ore Roast : Properties of Chrome Ore Roast and Its Extract

The study of the formation of sodium chromate from El-Bar

Official Full-Text Publication: The study of the formation of sodium chromate from El-Baramiya high-silica chromite ore concentrate using hydrated lime on

Production of potassium chromate from a low-grade Egyptian

Production of potassium chromate from a low-grade Egyptian chromite ore and potassium carbonateThe production of K2CrO4 from low-grade chromiteore, its

Chrome Tannery Waste for the Production of Sodium Chromate

Studies on Utilization of Chrome Tannery Waste for the Production of Sodium Chromate(VI) on ResearchGate, the professional network for scientists.

PROCESS FOR PRODUCTION OF ALKALI METAL CHROMATES

A process for producing alkali metal chromates which comprises reacting a chrome ore with an alkali metal hydroxide in a molten state and in the presence