The aim of this study is the development of a procedure for the recycling of the ferrous-nickel slag that is widely used in open dry blast cleaning operations in Greek shipyards thus annually generating thousands of tons of blast cleaning waste. Laboratory tests were carried out, based on the reclamation of the material fraction with size a ...
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Abstract A large volume of slag is generated as a by-product during steel manufacturing. In order to ensure environmental and economic sustainability, it is imperative to find innovative solutions for the efficient recycling of slag. This review broadly and critically explores the available information concerning the effective recycling of slag in agriculture and …
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Replacing OPC using non-ferrous slag can lower the environmental greenhouse impact, as well as increase the additional industrial revenues from increased non-ferrous slag value to 30–60 €/ton (Van De Sande et al., 2020). For locally sourced users, the non-ferrous waste can be recycled based on its low carbon cement binder (raw material ...
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Recycling of High Ferrous Bauxite Reducing Slag for Synthesis of CaAl 2 Si 2 O 8-Al 2 O 3-CaAl 12 O 19 Composite. Author links open overlay panel Ying-yi ZHANG a b, Yuan-hong QI b, Zong-shu ZOU c. ... composite was synthesized through reaction sintering alumina and bauxite reducing slag. The CAS 2-Al 2 O 3-CA 6 composite was mainly composed of ...
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Non-ferrous metallurgy slags, e.g. copper slags, for example, are often merely used for sandblasting or as road base filler (Dhir et al., 2016; Murari et al., 2014; Piatak et al., 2015). In the Belgian region of Flanders, 376 kt of non-ferrous slag is produced yearly (Ovam, 2016). This is 63 kg/capita or 8.5 % of the cement consumption.
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The ferrous slag is able to be recycled in internal recycling (reutilization in steel plants), civil construction, agriculture, etc. Internal recycling of slag after magnetic separation …
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Ferrous slag is the term for the solid waste that is produced when raw iron is smelted in ironworks and during the production of steel. ... reducing emissions by reducing cement consumption and ...
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Recycling: Following removal of entrained metal, slag can be returned to the blast and steel furnaces as ferrous and . flux feed, but data on these returns are incomplete. Entrained metal, particularly in steel slag, is routinely recovered during slag processing for return to the furnaces and is an important revenue source for slag processors ...
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The ferrous slag is able to be recycled in internal recycling (reutilization in steel plants), civil construction, agriculture, etc. Internal recycling of slag after magnetic separation in iron- and …
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At Recco, we experience that many valuable metals, both ferrous and non ferrous, are still discarded with residue aggregates, despite the previous processing of incinerator bottom ash (IBA). In order to recover maximum …
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Befesa currently operates two plants for recycling salt slags – in Valladolid (Spain) and in Wales – which have a combined capacity to handle 230 000 tonnes per year. For Befesa's Chairman Javier Molina, the acquisition makes excellent strategic sense, not least because it 'consolidates our leadership position in Europe for industrial ...
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Existing literatures documents a range of impacts that slag fertilization can be effective in increasing crop yield, mitigating GHG emissions, and decreasing yield-scaled global warming …
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We provide an overview of the current status of research on reprocessing of nickel waste tailings, describe the current condition of the tailings, and set forth an important economic goal — freeing up land occupied by tailings and reducing impacts of human activity on the environment. We study the structure, chemical composition, and phase composition of slag …
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cessary to explore new slag recycling technologies based on the distinct physical or chemical properties of the slag. Japan and China are two leading steel producing coun-tries. The mass production of crude steel is accompanied by large quantities of slags. Great efforts have been made in both countries to decrease slag emission or promote slag ...
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Selfrag AG, a maker of high-voltage fragmentation equipment, has developed a process for the commercial recycling of incinerator slag.The company, headquartered in Kerserz, Switzerland, will install its first system at SAIDEF's facility in Posieux, Switzerland. The installation at SAIDEF, a Swiss-based waste management company, is expected to be operational by the …
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The present paper analyses the current state of steelmaking slag recycling both in CIS and non-CIS countries. The accumulated experience of world practice in solving the problem of steelmaking slag recycling is described in detail. ... In particular, in Germany, the recycling of ferrous metallurgical slags has achieved a recycling level ...
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Request PDF | Recycling of ferrous slag in agriculture: Potentials and challenges | A large volume of slag is generated as a by-product during steel manufacturing. In order to ensure environmental ...
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This review broadly and critically explores the available information concerning the effective recycling of slag in agriculture and its potentials in …
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The conservation of natural raw materials using ferrous slags between 2000 and 2023 is made up of the substitution of a total of 752 million tons of limestone, clay and sand for clinker production with granulated blast furnace slag in cement, 405 million tons of natural stone with slag-based aggregates in concrete and road construction and 12 ...
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ON-SITE SLAG RECYCLING. Slag processing, or also referred to as bottom ash recycling or IBA recycling, and metal recovery on your site are the first steps in the range of services that Recco offers.
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summarizes the current status of utilization of the various slags from ferrous and non-ferrous metal production, as well as waste incineration, and recycling of salt fluxes in secondary metal …
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Recycling steel slag as fertiliser substitute in agriculture aligns well with the UN sustainable development goals which call for increased efforts from the states to mitigate climate change and increase resource efficiency by encouraging a circular economy (Hermassi et al., 2020; Mayer et al., 2022).Slag is a by-product of steel manufacture and accounts for 15–20 % …
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ferrous slags especially with respect to Article 5 "By-products" and Article 6 "End-of-waste status". This paper deals only with blast furnace and steel slag, excluding other types of slag e.g. non ferrous slag. 1. Introduction and objectives of the paper The legal status of ferrous slag – i.e. their classification as either waste, product or by-
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AgroSilicio relies heavily on using recycled steel slag and repurposing it as a calcium silicate-based product that possesses the characteristics of fertilizer and soil conditioner. The soil amendment can be used in numerous farming markets in agribusiness to correct chemical imbalances, nutrient deficiencies and soil toxicity, Harsco says.
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The non-ferrous metal refining slag contains very high-value metals and is generally returned to the previous process of process. Among the raw materials for metal refining, in addition to the main metal, there are other …
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Slags can be classified into three different categories: ferrous slag (contains Land applications If oils and greases can be removed (and zinc where appropriate) then the slag could be used as a source of iron ore replacement, with the advantages of lowering mining and transportation, both of which contribute significantly to the overall carbon ...
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Since 2010, ERGA has been developing and successfully implementing efficient technologies for processing slags from ferrous and non-ferrous metallurgy, offering a full range of turnkey …
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The type of slag selected for this study results from the grey cast iron foundry sector by sand moulding. Slag fragments, after processing, can produce an aggregate for construction. The aim of this study is to evaluate the potential of ferrous slag application, obtained by EIF, as a replacement for fine aggregates in the concrete.
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A search for the types of ferrous slag [e.g., iron slag, steel slag, basic oxygen furnace (BOF) slag, electric arc furnace slag, BF slag, ladle slag] in the titles of abstracts and citations in the Scopus database 23 gives a query result of over 5000 documents for 2010 to 2020. A small fraction (around one in ten) of those documents are in the ...
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The ferrous slag is able to be recycled in internal recycling (reutilization in steel plants), civil construction, agriculture, etc. Internal recycling of slag after magnetic separation in iron- and steelmaking industry is attempted in multiple ways.
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