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System and method of producing low carbon ferrochrome …

A system and method for recovering a high yield of low carbon ferrochrome from chromite and low carbon ferrochrome produced therefrom. A stoichiometric mixture of feed materials including scrap aluminum granules, lime, silica sand, and chromite ore are provided into a plasma arc furnace. The scrap aluminum …

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Low Carbon Ferrochrome Production Methods

86 info@hongshunalloy. HOME; ABOUT US; PRODUCTS. Silicon Metal; Silicon Slag; Ferromanganese; Silicon Carbide

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Design of a ferrochrome – slag mechanical separator …

The densities of ferrochrome and slag are 6800 kg/ mand 2800kg/ m respectively hence gravity separation method in water medium can be done. 1 Introduction The production …

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US5123957A

US5123957A US07/428,582 US42858289A US5123957A US 5123957 A US5123957 A US 5123957A US 42858289 A US42858289 A US 42858289A US 5123957 A US5123957 A US 5123957A Authority US United States Prior art keywords ferrochrome nitride low carbon acid weight Prior art date Legal status (The legal status is an …

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Metal Recovery from slag | Mining & Quarry Plant

The present invention, therefore, provides stage crushing method for recovering precious metals from slag produced by a coal burning furnace or boiler comprising: a … recovering metal from slag – beltconveyers

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A critical review of the material characteristics, utilizations

After simple crushing and sieving, ferrochrome slag with a particle size larger than 4.75 mm is used as coarse aggregate, while those smaller than 4.75 mm are used as fine aggregate. ... conducted an LCA comparing two production methods of ferrochrome slag. Results showed that carbon sources from smelting and electricity …

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Ferrochrome powder ball for steelmaking and preparation method …

Method used [0024] The ferrochrome powder ball of the present invention is made by adding binder to powder produced after crushing various ferrochrome. The ferrochrome powder ball can replace the existing ferrochrome. When the alloying elements of steelmaking reach the standard control alloy composition, The implementation o...

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Method for manufacturing low carbon ferrochrome with …

Out of those methods, methods (a) and (b) are known as economical methods wherein high purity ferrochrome is manufactured in large quantities by the use of an electric furnace. The method (c) is a method wherein iron is removed from chromium ore under conditions of weak reduction after primary slag of chromium ore has been …

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CA2002790A1

THE ABSTRACT OF THE DISCLOSURE A method for manufacturing low carbon ferrochrome with high chromium content comprises the steps of at least once nitriding and crushing low carbon ferrochrome as materials, crushed ferrochrome being obtained, subjecting the ferrochrome nitride to an acid treatment while stirring the ferrochrome …

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CN113549741A

The invention discloses a method for preparing low-carbon ferrochrome by vacuum oxidizing gas decarburization, which comprises the following specific process steps of firstly, grinding high-carbon ferrochrome into powder by a ball mill, wherein the particle size of the ground powder is 10-200 meshes, adding an adhesive, then pressing into balls to form …

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Cold Crushing Strength and Modulus of Rupture of …

1.1 These test methods cover the determination of the cold crushing strength and the modulus of rupture (MOR) of dried or fired refractory shapes of all types. 1.2 The test methods appear in the following sections: Test Method Sections Cold Crushing Strength 4 to 9 Modulus of Rupture 10 to 15 1.3 The values stated in inch-pound units are to be ...

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Ferrochrome slag: A critical review of its properties, …

Ferrochrome slag (FCS) is a by-product of ferrochrome industries and is produced during the extraction of ferrochrome from chromite ore. The chemical …

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Sustainable solidification of ferrochrome slag …

Ferrochrome (FeCr) slag was used as a precursor for the synthesis of a geopolymer. The effect of KOH concentration, liquid solid ratio (L/S), content of potassium metalisicate (KS) or potassium …

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US3525608A

US3525608A US629890A US3525608DA US3525608A US 3525608 A US3525608 A US 3525608A US 629890 A US629890 A US 629890A US 3525608D A US3525608D A US 3525608DA US 3525608 A US3525608 A US 3525608A Authority US United States Prior art keywords ferrochrome chromium content chromium low content Prior art date 1966 …

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Evaluation of the Furnace Method for the Production of Low …

Cold crushing strengths of best performing ferrochrome slag containing specimens were higher than 90 MPa and compressive strength values measured at 1200 °C were over 9 MPa. Thermal insulation properties were even better than those of commercial refractory reference, showing thermal conductivity values as low as λRT−1000 °C = 1.3 − 0.9 W ...

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Ferrochrome slag: A critical review of its properties

Ferrochrome slag (FCS) is a by-product of ferrochrome industries and is produced during the extraction of ferrochrome from chromite ore. The chemical …

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Recovery of metal from slag/mixed metal generated in …

When demand is high, the plant is a low-cost means to boost production. Simple physical (gravity) separation methods like jigging and tabling are in vogue for the recovery of metal. Virtually all charge chrome plants now use the crushing/jigging process to recover chrome alloy from both stockpiled and currently produced slag.

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Ferrochrome

The most common recovery process is to crush the slag (in the case of the first slag-handling method) and recover the alloy particles in a wet jigging process. In particular …

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EP0371299A1

A method for manufacturing low carbon ferrochrome with high chromium content, comprising the following steps: - at least once, crushing and nitriding the low carbon ferrochrome raw material. - subjecting the obtained product to an acid leaching, reducing strongly the iron content of the mix. - adding a small quantity of carbonaceous material …

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Ferrochrome

High Carbon Ferrochrome Technology. Johan Basson, Jorma Daavittila, in Handbook of Ferroalloys, 2013. 9.1.1 High Carbon Ferrochrome and Its Production Base. High carbon ferrochrome represents a group of alloys with a chromium content typically between 60% and 70% and a carbon content typically between 4% and 6%. To meet this specification …

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Low Carbon Ferrochrome Production Methods

At present, there are two main smelting methods of low carbon ferrochrome, one is high carbon ferrochrome refining method, ... generally using Si-Cr alloy powder under the screen after crushing. The equipment used in the production of low carbon ferrochrome by oxygen blowing is a converter, so it is called the converter …

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Method for reducing ferrochrome alloy powder rate by …

[0003] In ferroalloy production enterprises, ferrosilicon powder is generally sold to steelmaking enterprises at a low price after being packed in bags, and ferrochrome alloy powder is used as a pad material and recycled inside the ferroalloy, but the amount of powder produced by crushing is greater than the demand for pad material, causing …

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What Are The Production Methods Of Ferrochrome?

(3) Casting: the molten state of ferrochrome is poured into the mold, and the bulk or granular ferrochrome products are obtained after cooling. (4) Product treatment: crushing, screening, surface treatment and other processes for ferrochrome products to meet the needs of different customers.

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Comprehensive Characterization of Ferrochrome Slag and …

The majority of FCS is said to be generated utilizing the air-dependent cooling method. The dust obtained from ferrochrome factory gas cleaning units is …

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Review Ferrochrome slag: A critical review of its properties

Ferrochrome slag (FCS) is a by-product of ferrochrome industries and is produced during the extraction of ferrochrome from chromite ore. The chemical composition of FCS comprises of 27–33% SiO 2, 15–25% Al 2 O 3, 20–35% MgO, and …

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sbm/sbm bwi of ferrochrome crushing.md at master

You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

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A kind of casting infiltration preparation method for coating

A kind of casting infiltration preparation method for coating containing ferrochrome of the invention, including ferrochrome particulate production and solution process for preparation.In ferrochrome preparation process, raw material ferrochrome particle is processed using the method that dry and wet grinding combines, is conducive to the …