Ferrochrome Slag Treatment
(PDF) Magnesium recovery from ferrochrome slag: kinetics …
On the other hand, the ferrochrome slag has been identified as one waste material that is rich in magnesium (Mg) and has not been effectively exploited. ... pre-treatment of the FCS in order to ...
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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 composition of FCS …
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Development of Refractory Material from Water Quenched …
This paper outlines the physicochemical properties of stainless steel dust, stainless steel slag, ferrochrome dust, and ferrochrome slag. The current treatment technologies of chromium-containing ...
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A Short Review on Utilization of Ferrochromium Slag
ABSTRACT The ferrochromium slag is an important by-product of ferrochromium industries. Recycling and efficient utilization of the large volumes of slag generated by ferrochrome production process is a huge challenge for ferrochrome producers. This article reviews ferrochromium slag utilization with reference to refractory, ceramics and construction …
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A critical review of the material characteristics, utilizations
Ferrochrome slag is a common industrial solid waste produced during the smelting of chromite in submerged arc furnaces [8].In the current production process, for every 1 ton of …
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Recovery of chromium from ferrochrome slag
Thus, it has been demonstrated that the treatment of jigging water stream to be generated in a ferrochrome plant containing Cr(VI) can be accomplished by using ferrochromium slag and sulphuric acid.
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Valuable Recovery Technology and Resource Utilization …
stainless steel slag, ferrochrome dust, and ferrochrome slag. The treatment of chromium- containing metallurgical solid wastes has always been a topic of interest for researchers,
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Environmental impact of ferrochrome slag in road …
Valuable Utilization of Ferrochrome Slag for Wastewater Treatment. P. Saha S. Sarkar. Environmental Science, Materials Science. Current Science. 2019; During ferrochrome production, slag is discarded as a waste material in huge quantities. A relatively small percentage finds application whereas majority of the slag is held in dumps.
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Fundamentals of Ferrochrome (FeCr) Alloy and Its Slag
Hence, ferrochrome slag is thought to be a useful raw material for production of high temperature insulation bricks, construction work using geopolymer made from chromium …
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Environmental and technical assessment of …
Ferrochrome slag is a major solid waste generated from submerged electric arc furnaces during manufac- ... solid solution under certain conditions of heat treatment contain-ing 45–80% of chromium. It is manufactured through direct smelt-ing in Submerged Arc Furnace (SAF) at a temperature above
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Review Ferrochrome slag: A critical review of its properties
Ferrochrome slag is a by-product of the production of ferro-chrome alloy, an essential component in stainless steel. The conventional process of ferrochrome making involves the carbothermic reduction of chromite ore where around 1.2–1.5 tons of slag containing approximately 8–12% of chromium oxide is generated per ton of hot metal (Jena and …
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Environmental and technical assessment of ferrochrome slag …
The ferrochrome slag samples were collected from the operating plants of ferrochrome industry with submerged arc electric furnaces, situated in Kalinganagar industrial …
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Preliminary study of the technology of vacuum-thermal …
At the next stage of our work, we plan to work out in detail the parameters affecting the vacuum-heat treatment of ferrochrome. We assume that ferrochrome with a carbon content of 0.00x% can be obtained. ... Development of technology for the production of refractory products from hose dust and high-carbon ferrochrome slag. Teor Tekhn Met Proizv ...
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Comprehensive Characterization of Ferrochrome Slag and …
Ferrochrome slag (FCS) and ferrochrome ash (FCA) are by-products generated during the production of ferrochrome alloy in the ferrochrome industry. The use of these by-products as …
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Recovery of Chromium from Slags Leachates by …
appropriate extensive treatment to the slag to liberate part of these elements in oxide form which can be recovered by electrocoagulation (EC). ... (0.82% of Cr), low carbon ferrochrome slag (LC FeCr) (1.10% of Cr) and high carbon ferrochrome slag (HC FeCr) (11.21% of Cr). EAFC, EAFS, HC FeCr slags had grain size <1 mm while
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A critical review of the material characteristics, utilizations
Ferrochrome slag is a common industrial solid waste produced during the smelting of chromite in submerged arc furnaces [8].In the current production process, for every 1 ton of ferrochrome alloy manufactured, approximately 2.5 tons to 2.6 tons of chromite are consumed, resulting in the production of 1 ton to 1.2 tons of ferrochrome slag [9], [10]. ...
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Recycled Smelter Slags for In Situ and Ex Situ Water and
Slags from the ferrous and nonferrous metallurgical industries have been used to treat toxic contaminants in water and wastewater. Using slag as a recycling or renewable resource rather than a waste product has environmental and economic benefits. Recycled smelter slags can be used in both in situ and ex situ treatment. However, their application has some …
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Hexavalent chromium removal by ferrochromium slag …
Thus, it has been demonstrated that the treatment of jigging water stream to be generated in a ferrochrome plant containing Cr(VI) can be accomplished by using ferrochromium slag and sulphuric ...
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EESTech Announces Environmental Impact Assessment for …
In February 2019, Samancor Chrome, South Africa, the world's largest integrated miner of chromite and producer of ferrochrome (FeCr), awarded EESTech a 10-year contract with a 5-year extension option, to undertake the reclamation of 12.5 million tons of FeCr slag waste at Samancor's Ferrometals operation, located at Emalahleni ...
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Ferrochrome slag and manufactured sand as fine aggregate …
Background/Objective: To review on the river sand supplants particularly Manufactured sand (Msand) and Ferrochrome slag (FeCr slag) aggregate in concrete and mortar matrix.Methods: A study on FeCr slag as sand is skimpy and countable; so here they clustered together and discussed for its performance. Msand by its shape, texture, physiochemical characters, …
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Performance Analysis of Sustainable Concrete Mixes Using Waste Slag
Ferrochrome and steel slag are massive by-products of the steel industry. The crucial learning from this investigation is that these slags can be an alternate material for aggregates, which can reduce negative impacts on the environment. ... But a perfect treatment is necessary to use it in concrete as cementitious material and natural ...
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Characteristics of ferrochrome slag aggregate and its uses …
This paper outlines the physicochemical properties of stainless steel dust, stainless steel slag, ferrochrome dust, and ferrochrome slag. The current treatment technologies of chromium-containing ...
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(PDF) Comprehensive Characterization of Ferrochrome Slag …
Ferrochrome slag from previous studies is said to exhibit better mechanical properties compared to conventional coarse aggregates which contributed to better mechanical properties of concrete. The ...
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Ferrochrome Aluminothermal Slags as a Multifunctional …
Therefore, use of carbon-free ferrochrome slag improves important functional properties of acid-resistant objects, and expands the mineral raw material base for ceramic …
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Study of chromium immobilization behavior in unbound …
Disposal of ferrochromium slag, a major industrial solid waste generated during production of ferrochromium alloy has been a serious problem owing to the presence of 7.8–12.0% residual chromium in it. The principal mineral phases in the slag were identified as forsterite, fayalite, magnesiochromite and chromferide. Microscopic and scanning electron …
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Exploring beneficial uses of ferrochrome slag: A case …
The FeCr slag products are granulated slag as well as classified slag products made by crushing and screening. A granule is tight and crystalline; typically, the granulated slag includes three different phases, which are amorphous glass phase, crystalline and zonal Fe-Mg-Cr-Al- spinals and metal drops. Niemela et al., 2007 Particulate Matter
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Ferrochrome
High-carbon ferrochrome is mainly used as alloying agent for bearing steel, tool steel, and high-speed steel with high-carbon content, additive agent for cast iron, chromium containing raw material for producing silicochromium, as well as medium-, low-, and extra-low-carbon ferrochrome by slag-free method, raw materials for producing chromium metal by …
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Comprehensive Characterization of Ferrochrome Slag and …
Ferrochrome slag that has been water-cooled is present in granulated form with grain sizes that are similar to natural sand. Ferrochrome slag is a derivative of the …
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Magnetic separation and extraction chrome from high carbon ferrochrome slag
This paper outlines the physicochemical properties of stainless steel dust, stainless steel slag, ferrochrome dust, and ferrochrome slag. The current treatment technologies of chromium-containing ...
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Degradation effects in concrete bound ferrochrome slag …
Ferrochrome slag (FS) having favourable mechanical properties) may be gainfully utilised as concrete aggregate. The concrete specimens with FS, natural stones (NS) and NS concrete mixed with 2% chromium nitrate salt (CR) as coarse aggregate were prepared. The samples were cured in aggressive curing solution like sulphuric acid solution at pH 2 and 10% …
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