Leave Message
For More Information

processing methods of ferrochrome slag:

PRODUCTION, CHARACTERISTICS AND USE OF

2015-5-22 · The ferroalloy separation from the lumpy slag happens in a special process, which is based on a gravity andmagnetic separation. The first stage of slag processing is crushing and screening the feed material to fractionsof 0-4 and 4-22 mm. Coarser fractions are handled by a heavy media separation - the DWP-method. A magnetseparator and spiral washing are used for fine-grained material.

processing methods of ferrochrome slag | Prominer ...

Study of the Possibility of Obtaining Non-Decomposing Slag . The possibility of obtaining a non-disintegrating slag during melting low-carbon ferrochrome with subsequent processing into building rubble will make it possible to improve the ecological situation in the vicinity of ferroalloy enterprises, to reduce slag dump and adjacent territory contamination and dust content, and also to reduce ...

Methods for the Analysis of Mineral Chromites and ...

2017-10-18 · Methods for the Analysis of Mineral Chromites and Ferrochrome Slag. Methods for the Analysis of Mineral Chromites and Ferrochrome Slag ... this report is to present the techniques used at the Albany Research Center for the analysis of chromite minerals and ferrochrome-related samples. The methods given in this report are based on standard ...

Implementation of industrial waste ferrochrome slag in ...

2014-6-1 · The slag also includes Cr and Fe oxides and calcium oxide. Common phases in the slag are glass, spinels (Al 2 O 3 –MgO) and forsterite (MgO–SiO 2) , , and small amount of CaO. Aim of this work was to prepare conventional castable and low cement castables by utilizing this waste ferrochrome slag, calcined bauxite and microsilica.

CHARACTERIZATION OF FERROCHROME SLAG AS AN

2015-1-5 · Different methods for finding the characteristics of ferrochrome slag with other industrial waste products like red mud, fly ash and also with local red soil has been discussed in this chapter. The experimental methods used to characterize ferrochrome slag as a fill and embankment material and pavement material are discussed in this chapter.

PETROGRAPHIC ANALYSIS OF LOW-CARBON

2010-11-12 · Ferrochrome was produced with ferrosilicoaluminum used as a reductant. Petrographic analysis of slags indicates the presence of helenite in various forms. Isolated impregnations of melilite, larnite and vitreous phase are distinctly separated which proves the possibility of their separation from helenite phase in further processing.

SOME ASPECTS OF THE PRODUCTION OF

2012-2-7 · Since the inception of this process, the DC arc furnace test facilities at Mintek have been employed to test varying composition, grade and mineralogy of chromite ores using different slag and metal chemistries, resulting in the production of ferrochrome alloys of varying composition and grade. The

PRODUCTION, CHARACTERISTICS AND USE OF

Ferrochrome slag has excellent technical and material properties for use as construction material (Lind et al. 2001, Niemelä and Kauppi, 2005). However, the potential environmental concerns about ...

(PDF) Utilization of ferrochrome wastes such as ...

Ferrochrome slag (FS) is another residue that is obtained as a solid waste by the smelting process during the production of stainless steel in Ferroalloy industries. FS possesses the required...

Recovery of Chromium from Ferrochrome Slag

2019-7-12 · recovered. The recovery of chromium metal in the slag is 64%. The method is viable for the commercial recovery of chromium from slag. KEY WORDS: Chromium, recovery, ferrochrome slag, adsorption, zeolite. I. INTRODUCTION Slag is a solid waste laden with heavy metal carrying chromium compounds imparts many problems to the environment.

Synthesis, Characterization and Application of

2018-7-10 · The ferrochrome slag waste material was taken from a steel manufacturing facility in Oman. The solid waste slag material was ball milled for 4 hours to convert it into a nanostructured material. Hydrochloride and ammonium peroxy disulphate (APS) was purchased from Sigma Aldrich and used without any modifications.

PETROGRAPHIC ANALYSIS OF LOW-CARBON

2010-11-12 · According to our estimation, the slag would have high concentration of helenite (2CaO·Al2O3·SiO2). The results of the research work described in the paper are of certain interest for new methods of ferrochrome production with complex processing of secondary raw materials, such as ferrochrome slags.

SOME ASPECTS OF THE PRODUCTION OF

2012-2-7 · Since the inception of this process, the DC arc furnace test facilities at Mintek have been employed to test varying composition, grade and mineralogy of chromite ores using different slag and metal chemistries, resulting in the production of ferrochrome alloys of varying composition and grade. The

Valorization of Ferrochrome Slag: Towards increasing the ...

2020-2-27 · erroFchrome slag is a leftover of the production process of ferrochrome, a crucial alloying element for the production of stainless steel. The material properties of these slags show excellent properties for reuse in the construction industry. South Africa, the leading producer of ferrochrome

PRODUCTION, CHARACTERISTICS AND USE OF

Ferrochrome slag has excellent technical and material properties for use as construction material (Lind et al. 2001, Niemelä and Kauppi, 2005). However, the potential environmental concerns about ...

(PDF) Utilization of ferrochrome wastes such as ...

Hence ferrochrome slag aggregate is used in this project to replace the natural coarse aggregates in different percentages (0%, 15%, 30%, 45%, 60% and 75%) in OPC concrete mixture of M30 grade of ...

Sustainable solidification of ferrochrome slag through ...

2019-8-1 · 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 aluminate (KA), curing time on the unconfined compressive strength (UCS) and metal leachability of the synthesised geopolymer was investigated. A 10 M KOH and an L/S of 0.26 yielded a geopolymer with

Influence of burning temperature and cooling methods on ...

2015-9-15 · 1. Introduction. Ferrochrome slag is a waste by-products in the manufacturing ferrochrome at 1700 °C, then water quenching.When 1 t ferrochrome are produced there will generate about 1.1–1.6 t residual slags .The slag presents porous and hard appearance, the bulk density is 2632–2913 kg/m 3, when they are crushed to a size of 5–20 mm, it has a strength of about 25 MPa.

magnetic separation of ferrochrome

Magnetic separation is an important beneficiation process and is usually adopted for ores of manganese, phosphate, titanium, chrome, tungsten, molybdenum, nickel, bauxite and niobium-tantalum ores in addition to iron ores,,,,, .Magnetic separation methods were also carried out for the ferrochrome industry wastes such as the flue dust to find.

Synthesis, Characterization and Application of

2018-7-10 · The ferrochrome slag waste material was taken from a steel manufacturing facility in Oman. The solid waste slag material was ball milled for 4 hours to convert it into a nanostructured material. Hydrochloride and ammonium peroxy disulphate (APS) was purchased from Sigma Aldrich and used without any modifications.

Chrome Ores on Ferrochrome Smelting

2015-3-12 · The Ferrochrome Simulation is developed using the principles of mass balance and heat balance, the interface can be seen in Fig. 2. The simulation requires three inputs and generates the results of charge recipe, mass and composition for slag, metal, and off gas, with the energy consumption associated with the production process.

PRODUCTION, CHARACTERISTICS AND USE OF

Ferrochrome slag has excellent technical and material properties for use as construction material (Lind et al. 2001, Niemelä and Kauppi, 2005). However, the potential environmental concerns about ...

Utilization of ferrochrome wastes such as ferrochrome ash ...

Ferrochrome slag (FS) is another residue that is obtained as a solid waste by the smelting process during the production of stainless steel in Ferroalloy industries. FS possesses the required engineering properties of coarse aggregates. The possibility of using FA with lime for partial replacement of ordinary Portland cement (OPC) and FS for ...

Slags in ferroalloys production—review of present

2009-8-26 · Figure 4. Due to the difference in experimental methods, conditions, as well as the slag analysing methods, there seems to exist a great discrepancy in the oxidation state of chromium in the slag. Figure 5 shows a comparison of the activities of CrO. A general consistency of the activity values can be observed from the figure.

Recovery of Chromium from Ferrochrome Slag | Open

Ferrochrome slag generated from alumino-thermi method piles up in large quantities poses many problems to the environment and contaminates ground water on long run, needs to be addressed very urgently. It principally contains chromium, alumina, Iron, magnesium, calcium in small quantities.

Ferrochrome Washing Machines

processing methods of ferrochrome slag. SAM screen can separate the stuff of different size range. It is the most general means of size control in aggregates processing. Washing machine is a kind of ...

A method of processing a mixture of solid slag ...

(57) Abstract: Use: for processing slag dump of Ferroalloy production in the metallurgical and other industries. The inventive method for processing a mixture of solid slag metallurgical production includes crushing, sieving slag into small, medium and coarse, magnetic separation of the fine fraction, magnetic separation medium fractions, subsequent pneumatic separation medium fractions and ...

release behaviour of chromium from ferrochrome slag

Release behaviour of chromium from ferrochrome slag. Huge amount of ferrochrome slag, a solid waste is being generated from submerged electric arc furnace during manufacturing of ferrochrome alloy. The waste slag contains about 6–12% chromium as chromium oxide and it has the potentiality of releasing hazardous chromium compounds.

Potential Toxic Effects of Chromium, Chromite Mining

2019-10-11 · 12%. The discovery that dry pulverizing of slag and ore converts Cr-III to Cr-VI may be very important during steps such as ferrochrome recovery from slag and end-uses of crushed slag. When metal recovery from slag is part of the production process, contaminated water is also produced and may require treatment.