Utilization of Linz–Donawitz slag from steel industry for waste
The Linz–Donawitz (LD) slag is an industrial waste generated in Linz–Donawitz process of steel making. It is not gaining importance in construction industry because of its volume instability, and presence of excessive phosphorous and sulphur content. Suitable accelerated ageing and masking of harmful materials can improve the …
Introduction: Metallurgical Slags
Many books have also focused on principles of extractive metallurgy and contain some information about metallurgical slags. 11–15 Several books or chapters in books are dedicated to particular aspects of slag use, such as in construction, 16–18 or to evaluating the ecosystem impacts of mining waste, including slags. 19,20 Some …
Production of glass-ceramics from metallurgical slags
CS is a waste produced from copper smelting. It has been used to prepare light-color glass-ceramics by sintering of SS, which was composed of 41.55 wt % TFe (total iron), 39.41 wt % SiO 2, 5.61 wt % CaO. Yang et al. (2013) synthesized light-color glass-ceramics with the additions of 61.5 wt % SS and other wastes.
Sustainable Approaches for LD Slag Waste …
Such utilization of the slags will bring in the 3R (reduce, reuse, and recycle) concept to provide an effective and sustainable disposal system for this industrial waste. Steelmaking process by Basic Oxygen …
Industrial waste
Industrial waste is the waste produced by industrial activity which includes any material that is rendered useless during a manufacturing process such as that of factories, mills, and mining operations. Types of industrial waste include dirt and gravel, masonry and concrete, scrap metal, oil, solvents, chemicals, scrap lumber, even vegetable matter …
Blast Furnace Slag, Post-Industrial Waste or Valuable …
In recent years, the construction industry has struggled with a variety of issues such as material availability, supply channel management, and the increasing cost of construction materials. These issues have encouraged the search for replacements and substitutes for existing construction materials. Blast Furnace Slag is used in the …
Sustainability | Free Full-Text | Synthesis, Stability …
The advent of industrialization has produced an enormous amount of industrial waste slag, which drastically pollutes environmental resources. This study examines the production, stability, and …
Energy recovery from high temperature slags
The waste heat of slags amounting to ∼220 TWh/year at temperatures in the range of 1200–1600 °C, presents an opportunity to lower the energy intensity of metal production. Currently, three types of technologies are under development for utilizing the thermal energy of slags; recovery as hot air or steam, conversion to chemical energy as ...
Utilization of Industrial Waste Slags to Enhance Ground …
Recycling and utilization of waste concrete and industrial waste slags is a significant step towards the protection of the environment and sustainable development. …
Characteristics of solid waste from common generation …
We found similarities among solid wastes from a common generation source as well as notable differences among the different generation sources: slags and sludges from waste acid treatment and wastewater treatment units had a water content of 27.43–52.71% and 51.14–68.27%, respectively, which were significantly higher than …
Sustainability | Free Full-Text | Ironmaking and …
This paper critically discusses the structure, properties and applications of ironmaking and steelmaking slags and their silicate-based variants as low-cost adsorbents for removing cations and anions from …
Preparation of Slag Wool by Integrated Waste-Heat …
According to the measurements in the industrial test, nearly no waste gas and very little smoke dust were produced with the new method reported in this paper. ... "Preparation of Slag Wool by Integrated Waste-Heat Recovery and Resource Recycling of Molten Blast Furnace Slags: From Fundamental to Industrial Application" …
Process for Enhancing the Valuable Metal Recovery from
Steel slag is a major by-product generated by the steel industry. Although steel slags are classified as non-hazardous thermal waste according to the decree 2002–540 and US EPA [], it is well known that most metals they contain are quite toxic to living organisms and may pose serious environmental issues.In France, the CTPL [] …
Utilization of steel slag from industrial waste for ionizing …
On the other hand, the steel slag waste produced is 10–15% per ton of steel production [43], [46]. In this manner, the annual volume of steel slag waste might reach over 300 billion tons. Therefore, recycling and utilizing steel slag waste is essential to lessen its detrimental effects on individuals and the environment.
A potential industrial waste–waste co-treatment process …
A potential industrial waste-waste co-treatment process was proposed and verified for the recovery of the valuable metals Co, Ni, and Cu from copper smelting slag by utilizing high temperature SO 2 off-gas. Sulfation roasting followed by water leaching under designed thermodynamic conditions was conducted to facilitate the selective formation …
IRON AND STEELMAKING SLAGS: ARE THEY …
Hazardous Waste and Their Disposal", it was stated that granulated slag arising from the manufacture of iron and steel (B1200, Annex IX, List B) or in general most of slags from
Industrial Waste
Industrial waste is manufacturing waste from a wide range of different processes, such as sludges, product residues, kiln dust, slags, and ashes. The majority of industrial waste …
Review Characteristics of steel slags and their use in cement …
Steel slags, industrial by-products of steel manufacturing, are annually produced in a huge quantity, which should be considered as a green resource. Modern steels can be broadly categorized into four types, i.e., carbon, alloy, stainless and tool steels. ... EAF and LF slags is an important strategy on industrial waste management …
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 …
Perspective Chapter: Industrial Waste Landfills | IntechOpen
4.1.4.2.1 First or bottom layer. This is the liner system. Industrial waste landfills are mostly designed with double-liner systems especially when they dispose hazardous waste ( Figure 13 ), although some are built with a single-liner system ( Figure 14 ); these are ideal for disposing C&DD wastes.
Hydrogen reduction of entrapped metal oxides from fayalitic copper slags
volume ratio H. Efficiency of hydrogen reduction. • Efficiency of FactSageTM: 29 - 37 %. Strongly depends on Cu-content. • Experimental efficiency: 10 –17 %. 27 to 58 % of simulations in ...
(PDF) Ecotoxicity Evaluation of Industrial Waste and …
Steel slags (SS) are the major waste produced by iron and steel industry. Slags may be reused as recycled materials, instead of natural aggregates (NA), to reduce the final disposal in a landfill ...
Environmental impacts of utilizing waste steel slag
Slag is an industrial waste generated during the steelmaking process. Electric arc furnace slag (EAFS) and ladle furnace slag (LFS) are both produced at different stages of steelmaking process, respectively, in electric arc furnaces and refining ladle furnaces. As part of this research, an extensive suite of engineering and environmental …
Recycling industrial slags in production of fired clay bricks …
Many industrial slags are produced in vast amounts as waste materials during iron, ferrochromium, and steel production. The properties of all these industrial slags depend upon the method of production [27]. Granulated blast furnace slag (GBS) is produced as a by-product during iron production [28, 29].
Steelmaking Slag as a Valuable Industrial Waste in the
The steelmaking slag (SMS) is a by-product of steelmaking factories and a valuable industrial waste, which is a heterogeneous mixture of some common metal …
Industrial wastes: Fly ash, steel slag and
The industrial production of energy (that involves combustion of coal), production of steel items and diammonium ammonium fertilizer generate a huge amount …
Cleaning of waste smelter slags and recovery of valuable …
Huge quantities of slag, a waste solid product of pyrometallurgical operations by the metals industry are dumped continuously around the world, posing a potential environmental threat due to entrained values of base metals and sulfur. High temperature pressure oxidative acid leaching of nickel smelt …
Waste slags as sustainable construction materials: a …
Industrial wastes like cupola slag, steel furnace slag, ground granulated blast furnace slag, electric arc furnace slag, etc. may be recycled or used in new ways to …
Valorization of Industrial Wastes for the Production of
In the present experimental study, the valorization potential of various industrial wastes, namely fly ash, red mud and ferronickel slag was investigated for the production of CaO–Al2O3–Fe2O3–SiO2 glass–ceramics. Glass was first produced in alumina crucibles at 1300 and 1500 °C and then cast in stainless steel moulds. After …
Mineralogy of Metallurgical Slags | SpringerLink
In current European legislation, slags may either be a waste or a by-product, depending on individual case decisions of the authorities. Anyway, they represent not only residues of industrial processes, but valuable secondary resources as they can either be recycled (in case of a classification as a waste) or utilized (in case of a ...