Characteristics and environmental aspects of slag: A review
Slag is a waste product from the pyrometallurgical processing of various ores. Based on over 150 published studies, this paper provides an overview of mineralogical and geochemical characteristics of different types of slag and their environmental consequences, particularly from the release of potentially toxic elements …
(PDF) Treatment of Yellow Phosphorus Slag and Reuse of …
Determination of Cr (VI) Ion and Methylene Blue Adsorption Isotherms and Adsorption Kinetics of Yellow Phosphorus Slag 2.5.1. Adsorption of Cr (VI) Ions and Methylene Blue Using YPS Samples The ...
Applicability of water-spray electric arc furnace steel slag for
Applicability of water-spray electric arc furnace steel slag for removal of Cd and Mn ions from aqueous solutions and industrial wastewaters
Comprehensive utilization of steel slag: A review
This paper summarized the comprehensive utilization status of steel slag in building materials, agriculture, wastewater treatment, marine engineering, ceramics, and …
Steel slag in China: Treatment, recycling, and management
Steel slag is the main waste product in the steelmaking process. Because of its chemical composition and technical properties, it can be reused as raw material in steel plants and can serve as a substitute for aggregates in civil engineering.
A novel approach for the recovery and cyclic
A novel approach for the recovery and cyclic utilization of valuable metals by co-smelting spent lithium-ion batteries with copper slag. Author links open overlay panel Guorui Qu a c, Bo Li a b c ... this secondary slag processing treatment certainly increases the energy consumption and production cost while complicating the simple ...
Silicomanganese slag: Hydration mechanism and leaching …
In this study, a metallurgy slag named silicomanganese slag (SMS) was selected as the SCMs, its hydration mechanism and leaching behaviors of heavy metal ions were evaluated. Higher hydration activity of SMS than that of local granulated blast furnace slag (GBFS) was observed.
Energy-saving production of high value-added ed
Energy-saving production of high value-added ed glass ceramic from blast furnace slag and hazardous wastes containing heavy metal ions. Author links open overlay panel Mingjun Li a, Feng Zheng a b, Jiao Wang a, ... water quenching has the advantages of simple operation and large processing capacity. However, it requires a …
Steel slag base geopolymer for efficient removal of Zn and Ni ions …
Geopolymer was successfully prepared by using the steel slag and sodium hydroxide. The changes in morphology, functional groups, specific surface area…
Modifying hot slag and converting it into value-added …
Hot slag modification aims at enhancing quality of slag to meet requirement of different value-added materials, and its waste heat was utilized as required energy for processing slag or preparing materials. As hot slag is liquid when taped, the improved route is more suitable.
Steel Slag—Its Production, Processing, Characteristics, and
This paper reviews the production, processing, and characteristics of steel slag, and its use as a cementing component in different cementing systems. The …
(PDF) Slag Design for Pyrometallurgical Metal Recycling
Slag Design for Pyrometallurgical Metal Recycling and Targeted Lithium Slagging from Lithium-Ion Batteries
Production, characterisation, utilisation, and beneficial soil
Nanthi Bolan a. Show more. Add to Mendeley. https://doi/10.1016/j.jhazmat.2021.126478 Get rights and content. Highlights. •. Steel …
Review article Carbon dioxide sequestration through steel slag
The direct carbonation of steel slag has emerged as a promising approach for carbon dioxide (CO2) utilization and sequestration, holding potential for…
The potential utilization of slag generated from iron- and
Introduction. Slag is the by-product of iron- and steelmaking processes. Normally, around half to one tonne of slag would be generated for yielding one tonne of …
Basic Oxygen Steelmaking Slag: Formation, Reaction, and …
BOS slag is formed by a chemical process involving the oxidation of elements (e.g., Si, Mn, Fe, P) from the metal bath and the dissolution of added solids such as lime, limestone, …
Ground Slag Properties, Characterisation and Uses
SLAG PRODUCTION AND PROCESSING Iron blast furnace slag is a by-product of the iron-making process – milling can be carried out by alternating manufacturing a process that involves the separation of iron metal from iron ore. Iron ore, fluxing agents (typically limestone or dolomite), fuels (typically
A comprehensive review on the recovery of copper values from copper slag
The beneficiation of copper slag employing gravity concentration and froth flotation, with particular emphasis on different collector systems, has been reviewed thoroughly. Further, the reported pyro- and hydro-metallurgical processing routes have been deliberated.
Synthesis of Porous Materials Using Magnesium Slag and …
Magnesium slag-based porous materials (MSBPM) were successfully synthesized using alkali activation and ing methods as an effective adsorbent for Pb2+ in solution. The effects of ing agent type, ing agent dosage, alkali dosage, and water glass modulus on the properties of the MSBPM were studied, and the …
SLAG
slag produced at steel melting shop is known as steel slag. Slag output obtained during pig iron and steel production is variable and depends mainly on composition of raw materials and type of furnace. Typically, for ore feed containing 60 to 65% iron, blast furnace (BF) slag production ranges from about
Slag Recycling and Metal Recovery
MEKA is designing and manufacturing customized steel slag processing and metal recovery plants for each project-specific purposes. Our portfolio; MEKA offers stand-alone machines, process solutions, turnkey plants, separation and sorting technology, and control and automation solutions perfectly tailored to individual requirements.
THE CAPACITIES AND REFINING CAPABILITIES OF …
Since apparently only the "free" oxygen ions participate in the slag-metal re ... acid components, such as might be used in secondary processing or iron or steel. Obviously, an excess base equation could still be applied in this situation. Over ten years ago, ...
Chemical, Mineralogical, and Morphological Properties of …
Basic-Oxygen-Furnace Process of Steelmaking and Slag Generation. Basic-oxygen furnaces, which are located at integrated steel mills in association with a blast …
Ladle Furnace Slag: Synthesis, Properties, and Applications
It is generally used in construction materials, soil rejuvenation, and CO 2 capture. This paper reviews the production process, the mineralogical and …
Effect of blended inorganic salts containing negative hydration ions …
Effect of blended inorganic salts containing negative hydration ions on hydration and properties of alkali-activated slag cement. ... A thin layer BaSiO 3 was coated on the surface of slag particles, ... the Creative Commons licensing terms apply. ...
Slag treatment at Kardemir integrated iron and steel works
The slag-processing plant built at Kardemir has been found to be a good solution to process more than 5 million tons of slag that has accumulated in the waste stockyard within the past 50 years. ... Steel slag base geopolymer for efficient removal of Zn and Ni ions from aqueous solutions: Preparation and characterization ... the Creative ...
Production, characterisation, utilisation, and beneficial soil
The slag's pouring is a processing step, and further processing (such as crushing the slag to form aggregate) is typically used, so the slag can undergo utilisation. ... High amounts of Ca ions in the slag can also reduce P mobility due to calcium phosphate precipitation. This is especially true in alkaline soils where the pH > ~ 7.
The viscosity, crystallization behavior and glass
Accordingly, to provide a comprehensive understanding for BF slag in smelting, subsequent treatment and utilization processes, this paper describes firstly the formation of BF slag, and then reviews the research methods, current research results and some issues to be addressed on the viscosity and structure, crystallization and …
Deep Processing of Dump Slag from the Copper-Nickel …
Copper ions were used in the leaching stage to prevent the release of hydrogen sulfide into the working atmosphere. Dehydration of the solution, followed by washing of water-soluble sulphates from silica, was carried ... a promising reagent for slag processing is the application of sub-standard sulfuric acid solutions and commercial …
Materials | Free Full-Text | Compressive Strength, Chloride Ion
The shortage of natural aggregates has recently emerged as a serious problem owing to the tremendous growth of the concrete industry. Consequently, the social interest in identifying aggregate materials as alternatives to natural aggregates has increased. In South Korea's growing steel industry, a large amount of steel slag is generated and discarded every …