Influence of burning temperature and cooling methods on …
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 [1].The slag presents porous and hard appearance, the bulk density is 2632–2913 kg/m 3, when they are crushed to a …
Fundamentals of Ferrochrome (FeCr) Alloy and Its Slag
In this chapter, the fundamentals of ferrochrome slag chemistry are discussed. Results obtained by different workers are cited and thermodynamics models …
Review Ferrochrome slag: A critical review of its properties
The utilization of ferrochrome slag as a solid waste resource holds significant potential for reducing environmental impact and promoting sustainable …
(PDF) Recovery of chromium from ferrochrome slag
Ferro chrome slag may contain chromium in +3 and +6 oxidation states. Separation and determination of chromium content of the slag samples collected from Jindal Ferro Alloys Corporation, (Kottha ...
Ferrochrome
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. Another method is to granulate the slag by allowing the slag to flow through a set of water jets.
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 10–15% iron-chromium compounds.The high chromium content of FCS and the …
EESTech Announces Environmental Impact Assessment for …
NEW CASTLE, Del., Aug. 19, 2019 /PRNewswire/ -- EESTech (OTC: EESH) - EESTech's Environmental Impact Assessment (EIA) process for the Samancor Ferrochrome slag reclamation project has commenced with the appointment of EkoInfo (), a highly respected South African Environmental & Wildlife Management Consultancy. …
Sustainable solidification of ferrochrome slag through
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 Short Review on Utilization of Ferrochromium Slag
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 …
The recovery of ferrochrome from slag at Zimasco
Ferro chrome slag may contain chromium in +3 and +6 oxidation states. Separation and determination of chromium content of the slag samples collected from Jindal Ferro Alloys Corporation, (Kottha…
(PDF) Mineralogical characterisation and separation studies …
When the co ntent . of -74 µm fraction incre ased from 83.96% to 95.73%, the recovery of Cr 2 O 3 at 0.34 T magnetic intensity . ... Low carbon ferrochrome slag (LCFS) is the metallurgical waste ...
ferrochrome; all you need to know about it
Ferrochrome is a ferroalloy in the metallurgy, playing a key role in the production of stainless steel. This alloy, consisting primarily of iron and chromium(50-705), is renowned for its corrosion resistance and durability, making it an indispensable component in various industrial applications ... Ferrochrome slag. Ferro chrome slag …
Effect of Ferrochrome Slag Substitution on High …
The novelty of this study is to investigate the effect of ferrochrome slag (FS) replacement on the high temperature resistance of alkali-activated granulated blast furnace slag (AAS). The alkali-activated mortar samples were prepared by granulated blast furnace slag (GBFS) and FS at rates of 100/0, 80/20, 70/30, and 60/40 wt.%. A mixture of …
Exploring beneficial uses of ferrochrome slag: A case …
The results of this study supports that reuse of FeCr slag has financial, environmental and business/operational benefits that will ensure sustainability of natural resources and …
Physico-chemical and microstructure assessment of ferrochromium slag
BSE image of the ferrochrome slag containing FS and image mapping of important elements. 3.4. FTIR characteristics. The instrument is made by THERMO NICOLET & the model is NEXUS 870. FTIR spectra indicate the presence of different absorption bands in each category of material. The presence of these spectra ensures …
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 …
Effects of water cooled ferrochrome slag as fine aggregate …
DOI: 10.1016/J.CONBUILDMAT.2018.05.079 Corpus ID: 139354690; Effects of water cooled ferrochrome slag as fine aggregate on the properties of concrete @article{Dash2018EffectsOW, title={Effects of water cooled ferrochrome slag as fine aggregate on the properties of concrete}, author={Manoj Kumar Dash and Sanjaya …
(PDF) Recovery of ferrochrome values from flue dust …
The beneficiation techniques could only marginally enrich the ferrochrome values because of the complex association of the metallic phase with the slag forming phases. Results for Mozley separator ...
High Carbon Ferrochrome Technology
High carbon ferrochrome slag generally has favorable properties that could be utilized in various economically beneficial applications. It must, however, be emphasized that the permissibility of these applications may be differently regulated in different countries, which may impact on the permissibility of certain applications.
Research on the use of Ferro-Chrome slag in civil …
This paper presents an overview of the recent advances of the use of ferrochrome slag in various civil engineering applications such as road construction, and cement and …
(PDF) Magnesium recovery from ferrochrome slag: kinetics …
The ever-increasing demand for ferrochrome alloys has resulted in a substantial accumulation of ferrochrome slag by-products in many mining areas.
Ferrochrome Slag as an Alternative Mould Material for …
Ferrochrome slag used in CO 2 mould has similar surface finish to silica sand mould [16, 17]. Mould hardness increases with the use of blast furnace slag in CO 2 mould . Therefore, in the present investigation, ferrochrome slag is used in green sand mould. The effect of bentonite clay and moisture on mould shear strength and …
Influence of burning temperature and cooling methods on …
@article{Zhang2015InfluenceOB, title={Influence of burning temperature and cooling methods on strength of high carbon ferrochrome slag lightweight aggregate}, author={Shaohua Zhang and Laibao Liu and Ke Feng Tan and Lihua Zhang and Kaijing Tang}, journal={Construction and Building Materials}, year={2015}, volume={93}, …
Environmental and technical assessment of ferrochrome slag …
Ferrochrome slag, a major solid waste in ferrochrome industries faces the disposal problem because of residual chromium content in it. Even though the slag has the desired engineering and mechanical properties, its use has been restricted because of leaching of chromium often exceeding the regulatory norms under adverse …
Ferrochrome | SpringerLink
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 …
Strength and Uniaxial Water Penetration Characteristics …
3.4 Ferrochrome slag Ferrochrome slag from nearby iron production factories is used in this study. In this study we used two types of ferrochrome slag. Original ferrochrome slag without grinding is used in first set. Ferrochrome slag that is grinded in Los Angeles abrasion test for 30 minutes is used in second test. 4. RESULT AND DISCUSSIONS
USE OF FERROCHROME SLAG AS AGGREGATE IN …
Ferrochrome slag is a by-product produced during the production of ferrochrome alloy steel in submerged electrical arc furnace. Around 1.1–1.6 ton slag is generated per ton of ferrochrome produced depending on feed materials. (S.K. Nath, 2018). Ferrochrome slag is …
Comprehensive Characterization of Ferrochrome Slag and …
In a nutshell, this study provides a thorough and critical examination of ferrochrome slag and ferrochrome ash's suitability for construction, as well as a list of …
Assessing magnesia effect on preparing refractory materials …
A submerged arc furnace slag from the production of high-carbon ferrochrome was used as raw material in this study. As showed in Table 1, the ferrochromium slag sample contained 28.99 wt % SiO 2, 25.64 wt % MgO, 15.37 wt % Al 2 O 3, 10.04 wt % Cr 2 O 3, and 3.90 wt % TFe.As showed in Fig. 1, the main mineral …
Ferrochromium
In ferrochrome production, slag and molten metal are generated during the smelting (see Fig. 2). The heavier portion of the produce is the ferrochrome metal and thus sinks through the slag layer. As a result, the ferrochrome metal is isolated from the slag and collected at the furnace's base. The differences in the specific gravity of the metal ...