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Processing of Low-Grade Chromite Ore for Ferroalloy

Magnetic separation utilizes the magnetic susceptibility of mineral grains to separate magnetic from non-magnetics. As chromite is paramagnetic and quartz/clay is non …

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PROSPECTS FOR THE EXTRACTION OF CHROMIUM …

the features of slag, and economic and environmental feasibility. 3. Slag separation Screening with subsequent magnetic separation of metal elements is suitable for RFC slags; alloy pellets …

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(PDF) Recovery of metal from slag/mixed metal generated in ferroalloy

Hence, a combination of magnetic separation and gravity separation was tried. The slag crushed to 10 mm was subjected to three-stage magnetic separation at around 800–1000 G. The final …

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JPS58217648A

Table 1 Attempts have been made to recover the metal content in such high carbon ferrochrome slag by magnetic separation, but the particle size required to sufficiently separate the slag and …

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Mineralogical characterisation and separation studies on …

The glass-ceramics of CaO-MgO-Al2O3-SiO2-Cr2O3 system was prepared by melting method using blast furnace slag, low-carbon ferrochrome alloy slag and quartz sand …

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Mineralogical characterisation and separation studies on …

Abstract: In this study, the beneficiation performance of chrome from the high carbon ferrochrome slag (HCFS) was evaluated. The mineralogical characteristics of HCFS was investigated first, …

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Modeling of a Milling and a Spiraling Circuit to Recover

High carbon ferrochrome (HCFeCr) alloy is the main source of chromium in steel making processes. During the production of high carbon ferrochrome alloy, in ferrochrome smelters, a …

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A Review of Direct Reduction–Magnetic Separation Process …

The effectiveness of thermal treatment and magnetic separation as an upgrading strategy for obtaining ferronickel from nickel laterite with varying composition and experimental …

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ferrochrome dry magnetic separation

ferrochrome dry magnetic separation - hotelshrihaan. ferrochrome slag processing using dry magnetic . ferrochrome slag processing using dry magnetic separator For each project …

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Separation of Metals from a Slag Using a Multi-cell Jig

Separation of Metals from a Slag Using a Multi-cell Jig David C. Yang1, Ricus van Reenan2, and Vimal Bhimsan3 1Mineral Technologies International, Inc., ... plant column was tested at a …

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Magnetic separation and extraction chrome from high carbon ferrochrome slag

Abstract High carbon ferrochrome slag (HCFS) is a byproduct from the production of ferrochrome, and there is no effective method to deal with it. In this paper, aiming at …

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PRODUCTION, CHARACTERISTICS AND USE OF …

The ferroalloy separation from the lumpy slag happens in a special process, which is based on a gravity and magnetic separation. The first stage of slag processing is crushing and sc reening …

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Magnetic separation and extraction chrome from high …

High carbon ferrochrome slag (HCFS) is a byproduct from the production of ferrochrome, and there is no effective method to deal with it. In this paper, aiming at …

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Design of a ferrochrome – slag mechanical separator …

The ferrochrome separation from the lumpy slag happens in a special process, which is based on a gravity and magnetic separation [4]. 2.2 Methods of separation 2.2.1 Gravity separation

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AnEvaluation ofProcess Alternatives for the Reclamation

The following separation techniques were evaluated: jigging, magnetic separation, flotation, tabling, spiralling, and dense-medium separation. The prerequisite for the study was to recover …

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PRODUCTION, CHARACTERISTICS AND USE OF …

magnetic separation. The first stage of slag processing is crushing and sc reening the feed material to fractions of 0-4 and 4-22 mm. Coarser fractio ns are handled by a heavy media …

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Processing Slag from Ferroalloy Production

refined ferrochrome. Slag from refined-ferrochrome smelting is susceptible to silicate decomposition and breaks down to powder on cooling. To extract metal, the slag is subjected …

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Efficient immobilization and utilization of chromite ore …

Besides, the COPR-HT after magnetic separation contained 11.52 wt% Cr 2 O 3 and 53.44 wt% Fe 2 O 3, which can be used as the raw material for steel industry. The …

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Valuable Recovery Technology and Resource …

Given that ferrochrome is extremely magnetic and residual chromite in high-carbon ferrochrome slag is moderately magnetic, ferrochrome particles and residual chromite in the slag can be recovered by using a …

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Design of a ferrochrome – slag mechanical separator case …

The densities of ferrochrome and slag are 6800 kg/ m3 and 2800kg/ m3 respectively hence gravity separation method in water medium can be done. Concept 1 …

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Up-Concentration of Chromium in Stainless Steel Slag and …

minerals Article Up-Concentration of Chromium in Stainless Steel Slag and Ferrochromium Slags by Magnetic and Gravity Separation Frantisek Kukurugya *, Peter Nielsen and Liesbeth …

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HEXAVALENT CHROMIUM ANALYSIS OF A FERROCHROME SLAG …

The optimal magnetic separation condition is achieved as follows, when the current reaches 2.4 A and the particle size is above 150 μm, the percentage of chromium …

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Use of Ferrochrome Slags in the South African Context

separation by magnetic means as the allow is magnetic [CITATION Vus16 l 7177 ]. Alloy recovery from ferrochrome slag to improve the reduction of the ore for ferrochrome …

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Efficient immobilization and utilization of chromite ore …

Besides, the total contents of Cr (Cr 2 O 3 wt%) and Fe (Fe 2 O 3 wt%) increased from 10.14% and 44.58% (the raw COPR) to 11.52% and 53.44% (the COPR-HT after …

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ferrochrome slag processing using dry magnetic separator

magnetic separation copper slag - psolution.co.za. Dry Magnetic Separation Recovery Iron from Steel, Dry Magnetic Separation Recovery Iron from Steel Slag Powder Wei Chen1,a, Zhichun …

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(PDF) Up-Concentration of Chromium in Stainless Steel Slag …

In case of SS slag and low carbon (LC) FeCr slag a wet high intensity magnetic separation can up-concentrate Cr in the SS slag (fraction <150 µm) from 2.3 wt.% to almost 9 …

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Characterization of ferrochrome slag as a controlled low …

This manuscript aims to utilize industrial wastes, i.e., ferrochrome slag (FS), ground granulated blast furnace slag, and fly ash to prepare alkali activated cementless …

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Recovery of metal from slag/mixed metal generated in …

Studies were carried out at R&D, Tata Steel to develop a flow sheet for the recovery of metal from metal–slag mix generated in its charge chrome (ferrochrome with 50–60% …

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An Overview of Recovery of Metals from Slags

Gravity separation and magnetic separation methods were found to be effective for recovery of Cr from the ferrochrome slag. However it's been applied in India for safe disposal …

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Efficient separation of iron elements from steel slag based on magnetic …

The magnetic separation of steel slag should be a multi-stage wet weak magnetic separation, and the optimal magnetic intensity is 100 mT. The steel slag concentrate rate is …

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The recovery of ferrochrome from slag at Zimasco☆

The results of this initial testwork identified magnetic separation and jigging as potential methods for recovering this metal from crushed slag. The metal was crushed to …

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