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processing methods of ferrochrome slag
A Short Review on Utilization of Ferrochromium Slag: Mineral
Recycling and efficient utilization of the large volumes of slag generated by ferrochrome production process is a huge challenge for ferrochrome producers. This This paper summarizes the chromium pollution caused by ferrochrome industries, current remediation method adopted by ferrochrome industries, and the Ferrochrome slag: A critical review of its properties, environmental
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Ferrochrome slag: A critical review of its properties, environmental
Ferrochrome slag (FCS) is a by-product of ferrochrome industries and is produced during the extraction of ferrochrome from chromite ore. The chemical This paper reports the characteristics of ferrochrome slag and its feasibility as aggregate in refractories aiming to substitute virgin refractory raw materials. Ferrochrome Slag Feasibility as a Raw Material in
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Ferrochrome an overview ScienceDirect Topics
The most common handling method for slag is to tap the slag directly into a slag pit filled with water. The slag solidifies, cools down, and is removed from the pit to a dump or Ferrochrome slag is a waste material obtained from the manufacturing of high carbon ferrochromium alloy. This slag is formed as a liquid at 1700 °C and its Implementation of industrial waste ferrochrome slag in
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Sustainable solidification of ferrochrome slag through
Ferrochrome (FeCr) slag is a waste product from the carbothermic reduction of FeCr ore resulting in the production of high or low carbon FeCr alloy. It is FCS is produced during the extraction of ferrochrome (FC) from the natural minerals. Due to its chemical composition, physical nature, and mechanical properties, Characteristics of ferrochrome slag aggregate and its uses as a
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(PDF) Mineralogical characterisation and separation
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 as raw materials, and Ferrochrome production results in substantial amounts of slag production with literature rating slag to alloy ratios from 1.1 to 1.9. The ratio stipulates that for every ton of ferrochrome alloyUse of Ferrochrome Slags in the South African
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Ferrochrome an overview ScienceDirect Topics
High Carbon Ferrochrome Technology. Johan Basson, Jorma Daavittila, in Handbook of Ferroalloys, 2013. 9.3.3 Slag Handling and Utilization. The most common handling method for slag is to tap the slag directly into a slag pit filled with water. The slag solidifies, cools down, and is removed from the pit to a dump or stockpile area.Medium, low and micro-carbon ferrochrome alloy are generally made of silicon-chromium alloy, chromite and lime. Desiliconization is refined with a 1500-6000 kV electric furnace. It is operated with a high alkalinity slag (CaO/SiO2 is 1.6 to 1.8). Low-carbon, micro-carbon ferro chrominum is also produced on a large scale by the heat what is ferrochrome processing Wanhua Metal
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Ferrochrome slag aggregate: physical-chemical characteristics and
Findings Ferrochrome slag aggregates have excellent physical-mechanical characteristics that conform to international specifications for use in road base construction. The slag can be classifiedEDAX analysis of ferrochrome slag (Table 9) at different spots (Fig. 6d) shows a clear difference between major slag phases with minor specks of metal. Fe and Cr are the major elements in the metal. The major composition of slag in spots 3 and 4 is Si and Ca, while Al and Mg constitute only 5–7%.Processing of Low-Grade Chromite Ore for Ferroalloy Production:
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Study of the Possibility of Obtaining Non-Decomposing Slag
Methods are analyzed for stabilizing self-disintegrating slags in melting low-carbon ferrochrome, and the main reasons for breakdown are considered. Four methods are shown for stabilizing oxide melts of which a promising method for preventing breakdown under contemporary production conditions for chromium ferroalloys by mixing melts is a As a type of metallurgical solid waste with a significant output, chromium-containing metallurgical dust and slag are gaining increasing attention. They mainly include stainless steel dust, stainless steel slag, ferrochrome dust, and ferrochrome slag, which contain significant amounts of valuable elements, such as chromium, iron, and zinc, as Metals Free Full-Text Valuable Recovery Technology and MDPI
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Buildings Free Full-Text Design and Study of Physical and
In this study, high-carbon ferrochrome slag powder produced by grinding was used to replace different proportions of cement, and the effect of the amount of ferrochrome slag powder on the physical and mechanical properties of ferrochrome-slag-cement composites was analyzed. Water-cooled ferrochrome slag with a particle size of The present research aims to analyze the comminution behavior of ferrochrome slag using high-pressure grinding rolls. The laboratory bench scale high-pressure grinding rolls were used to study the three significant variables on the grinding efficiency of ferrochrome slag. The Central Composite Design was used to study the Energies Free Full-Text An Energy Efficient Advanced MDPI
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Processing of Low-Grade Chromite Ore for Ferroalloy Production:
carbon ferrochrome using plasma process but with limited success. The present communication aims at discussing the limitations of beneficiation techniques for upgradation of low-grade Ghutrigaon chromite ore and advantage of pro-cessing the bulk ore through smelt reduction in a plasma reactor for ferrochrome production. 2 Materials Influence of burning temperature and cooling methods on strength of high carbon ferrochrome slag lightweight aggregate Constr. Build. Mater.,93 ( 2015 ),pp. 1180 1187,10.1016/j.conbuildmat.2015.04.045Characteristics of ferrochrome slag aggregate and its uses as a
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Physico-Chemical and Mechanical Characterization of Ferrochrome Slag
Sathwik S, Sanjith RJ, Sudhakar GN (2016) Development of high strength concrete using ferrochrome slag aggregate as replacement to coarse aggregate. American J Eng Res (AJER) 5:83–87. Google Scholar IS: 2366 (Part 4) (2002) Methods of test for aggregates for concrete, Part IV—Mechanical properties.Ferroalloy Refining Process. Ferroalloy refining process is the smelting process that further refines the alloy produced by crude processing in submerged arc furnace or blast furnace, in order to obtain pure ferroalloy. Ferroalloy refinement includes: decarburization refinement of high-carbon ferromanganese and high-carbon Ferroalloy Refining Process SpringerLink
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(PDF) An Energy Efficient Advanced Comminution Process
Ferrochrome slag from a ty pical ferrochrome manufacturing unit from Eastern India was used in the present investigation. The density of th e slag was found to be 3.1 g/cc.The recovery of ferrochrome (FeCr) alloy from fine (<600 μm) ferrochrome slag typically involves the use of gravity concentration, amongst other physical separation techniques. This study demonstrates the value of utilising mineralogical methods both to determine alloy composition and liberation and to assist in setting up partition Using mineralogical characterisation and process modelling to
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Review on Preparation of Medium- and Low-carbon Ferrochrome
Metallurgical Processing, The Minerals, Metals & Materials Series, https: content of less than 0.03% and belongs to micro-carbon ferrochrome [15]. However, these methods require three electric furnaces to complete the smelting proposed the process of extending the slag method of the converter age for someIn this study, a slag sample resulted from a ferrochrome production process was analyzed for its hexavalent chromium content. Within this scope, in addition to the main material characterization(PDF) HEXAVALENT CHROMIUM ANALYSIS OF A FERROCHROME SLAG
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Performance assessment and life cycle analysis of ScienceDirect
(a) Ferrochrome slag. Ferrochrome slag (FCS) is an industrial by-product generated from the production of ferrochrome alloy. In 2017, the global ferrochrome alloy production was estimated to be around 11.7 Mt, with an annual growth rate of 3.6% forecast [14]. The manufacture of 1 t ferrochrome alloy generates a large 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% SiO2A Short Review on Utilization of Ferrochromium Slag
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