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non ferrous slag


ground granulated furnace slag. As a specialist in the recovery of non-ferrous metals from slags, or bottom ash (IBA), Recco facilitates a state-of-the-art system that separates the aluminium and heavy metals in 3 grading sizes from residue aggregates. 53 MPa. Often rightly so, since the high heavy metal content does not allow its use as a mineral product. Equipment options for specific furnace criteria. Slags with molar ratios of (FeO + CaO)/SiO2 = 1.1–2.3 and FeO/CaO = 1.9–5.4 were synthesized, as they represent slags found within the non-ferrous metallurgical industry. Thanks to the combination of MHF and EAF, the PRIMUS® Process achieves total recovery of zinc and lead, as opposed to other recycling processes. In 2019 production volumes of non-ferrous slag will be over 116.4 million tonnes worldwide. In 2018 and 2019, we therefore invested in new non-ferrous metal separators and in “Stratego”, the most efficient metal finishing machinery on the market. Slag is the collection of compounds that are removed. • Higher CaO content resulted in higher strength increases from 2 to 28 d. • The activating solution influences the … It consists mainly of two materials: metal and mineral fractions. Tests give certainty Which technical solution is the right one for your recycling process? Slag 1 was obtained from a lead blast furnace operation. On a global scale, these slags are landfilled or used in low-value applications. Associated core technologies of the Küttner Group. Another major difference in non-ferrous extraction is the greater emphasis on minimizing metal losses in slag. The slag composition is normally high in Fe 2 O 3 and SiO 2, both of which attack magnesia in the refractory to form magnesio-ferrite, and Forsterite, whilst the sulphur present in the vapor phase also attacks magnesia to form magnesium sulphate. China Hazardous Waste & Exemption Lists For Non Ferrous Recycling On November 27 2020, China officially released the “National Hazardous Waste List (2021 Edition)”. This ushered in the Iron Age. Non-ferrous metallurgy slags show potential to be upcycled in construction materials. proposed that after magnetite was reduced to iron, foaming slag was formed in the upper slag layer, causing increase in the copper concentration in slag after 10 min of reduction time. You can also contact a local agent of the Küttner Group. 28, 45130 Essen – Phone: +49 201 7293 0 – Fax: +49 201 77 66 88 – info@kuettner.com. Blast furnace slag is a combination of silica and other non-ferrous components of iron ore, ash from coke used as a reducing material, and limestone auxiliary material. At 28 d, slags with higher CaO content showed a higher relative strength increase with respect to the 2 d strength. Aftertreatment of the slags is required to sustainably maintain the limits. 5th International Slag Valorisation Symposium | Leuven | 3-5/04/2017 1 . A non-ferrous slag from the production of metallic zinc was studied as a new ingredient for concrete. For the 2 d compressive strength, higher silica content of the slag and activating solution resulted in higher early strengths, reaching 19 MPa for the slag with higher FeO/CaO molar ratio. NON-FERROUS METAL SCRAP DIVISION Our collection area is mainly the non-ferrous metal waste of industrial plants, but we purchase non-ferrous metal waste from residential and trader enterprises as well. However, with increasingly stringent landfill limits, this disposal route will be difficult or expensive in the future. Iron and steelmaking slags (ferrous slags) are co-products of the iron and steel making industry. We use cookies to help provide and enhance our service and tailor content and ads. Slag and dross, which occur in significant amounts in every metallurgical process, have a very bad reputation as partially hazardous residues. Slag 2 is a cleaned lead blast furnace slag. Non-ferrous Slag TOMRA Sorting Solutions can help you sort the value out of non-ferrous slag. Non-ferrous slag or Fe rich slag has been used as source of aluminosilicate to synthesize inorganic polymers (Pontikes et al., 2013). Steel,Jiangsu Shagang Group,Tata Steel,Hindalco Industries Ltd,Belmont Metals,ArcelorMittal,DAITO Industry.,Ltd.,Nippon Steel & Sumitomo Metal Corporation,Posco,Yamazaki Metal Industry,Baosteel,Anshan Iron & Steel Group andVedanta Resources plc. https://doi.org/10.1016/j.resconrec.2019.104627. Ferrous slag leachate is commonly less metal-rich than leachate from non-ferrous slag generated during base metal extraction; the latter leachate may even be acidic due to the oxidation of sulfides. Non Ferrous Industry Copper. New production processes and flexible process technology are placing ever increasing demands on elec…, The fourth industrial revolution is a reality. Cookie Policy. Copyright © 2021 Elsevier B.V. or its licensors or contributors. This new study from Smithers Apex tracks and critically analyses how this market will develop across the next ten years, with forecast growth at 1.0% CAGR to reach 133.7 million tonnes in 2029. • Lower (FeO + CaO)/SiO 2 molar ratio in the slag resulted in higher 2 d strength. Description of the Slag Samples Different slag samples were obtained from non-ferrous smelting operations. At the same time, skillful process management maximizes the selective recovery of recyclables from these slags and decouples energy from the process. 2 SMS Group GmbH, Eduard … NON FERROUS RECYCLING FOR HIGH METAL RECOVERY PROFITS. The basic chemistry of these slags can be reduced to the ternary system CaO-FeO-SiO2. Below is a brief overview of how we process slag … At 28 d, the optimum slag had compressive strength like CEM I 52.5, i.e. In many smelting processes, oxides are introduced to control the slag chemistry, assisting in the removal of impurities and protecting the furnace refractorylining from excess… ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. Upcycling of non-ferrous metallurgy slags: Identifying the most reactive slag for inorganic polymer construction materials. Key players that hold a majority stake in the Ferrous and Non-ferrous Slag market share are JFE Holdings,U.S. Slags with higher glass fraction reacted more quickly with the sodium silicate solutions used (molar ratios SiO2/Na2O = 1.6–2.0 and H2O/Na2O = 25). Non-ferrous metallurgy slags show potential to be upcycled in construction materials. Disseminated metal concentration: Concentrating metal containing slag particles before it undergoes separation, through crushing and jigging, protects crushers at little expense. electric arc furnace slag & aggregate Ferrous Slag – general information. inorganic polymers, does not only substitute the vast CO2 emitting Portland cement, but also gives economic motivation to metallurgical companies to invest in the valorization of their slags. Ferrous lags can be broadly categorized as ferrous (iron/steel) and non-ferrous (copper, lead/zinc) depending on the industry from which they come. Over the past years, the changing market for non-ferrous metals has diversified considerably and is now facing a number of challenges and opportunities. By clicking I accept you agree to such purposes. The Future of Non-Ferrous Slag to 2029 In 2019 production volumes of non-ferrous slag will be over 116.4 million tonnes worldwide. © 2019 Elsevier B.V. All rights reserved. Banks and Harrison [35] investigated carbothermic reduction of non-ferrous metals, including Cu and Ni, from Slag and dross, which occur in significant amounts in every metallurgical process, have a very bad reputation as partially hazardous residues. They can be approved as building materials and recycled, recycling costs are avoided. The resulting product is a slag mass called IBA: Incineration Bottom Ashes. Benefits of sensor-based slag metal sorting at a glance: Free metal recovery: Separating non-magnetic metallic particles effectively means earning revenue at low cost. Lower (FeO + CaO)/SiO2 molar ratio in the slag resulted in higher 2 d strength. The optimum slag was found in the middle of the studied compositional range, resulting in an inorganic polymer reaching 53 MPa. The reactivity of non-ferrous slag in alkaline solution depends on the amorphous content of slag, which is affected by the cooling rate of slag. Non-ferrous metal scrap. The Future of Non-Ferrous Slag: Market Forecasts to 2027 identifies some typical end uses for the non-ferrous slag residue, mainly in road construction and buildings, as well as substitutes for sand in sandblasting processes. granulated blast furnace slag sgs report. Often rightly so, since the high heavy metal content does not allow its use as a mineral product. Non-ferrous hub ‘economically feasible’ ‘Following a US$3 million investment in research and development, we came to the conclusion that it is possible and economically feasible to remove slag waste and turn it into export and domestic products,’ said Christos Efstathiadis, general manager at … Non-ferrous metallurgy slags are currently do not reach their full valorization potential. Non-ferrous prices discovered on our platforms are used as the global reference price. 3, Germany . Non-Ferrous Residues The PRIMUS® Process provides an efficient solution for recovering non-ferrous Incinerator slags are usually first buffered (ageing) and then upgraded in what is called an SCF (slag cleaning furnace). The product (ZORBA) from this non-ferrous separator is a valuable input to further separate and upgrade the inherent non-ferrous metals. Non-ferrous metals keep the world moving and are essential for the operation of all the items we use in our daily lives, such as smartphones, tablets, PCs, computers, or electric vehicles. We use cookies for statistical and measurement purposes, to help improve our website and provide you with a better online experience. The ground slag replaced 15% of portland cement, whereas the un-ground slag replaced 20% of the natural sand. Foundry/Non-Ferrous KT-Grant designs and builds specialty-engineered equipment for lead, copper, zinc, and other foundry/non-ferrous industry applications. The conference in Vienna in June 2021 (postponed from May 2020) will allow all attendees to maximise their profits from slag - both ferrous and non-ferrous, will keep them up-to-date with the industry state-of-the-art and will provide extensive networking and business opportunities for both producers and users of slag and slag-based products. Bernd FRIEDRICH1, Michael KALISCH2, David FRIEDMANN1, Rolf DEGEL2. Slag 3 is a reduced lead blast furnace slag. 3, Germany 2 SMS Group GmbH, Eduard … This new study tracks and critically analyses how this market will develop across the next ten years, with forecast growth at … Regardless of whether it's non-ferrous metal recovery from waste incineration ash, e-waste, shredder operation or dry-mechanical sorting of mixed metal-bearing residues. Higher CaO content resulted in higher strength increases from 2 to 28 d. The activating solution influences the kinetics and early age strengths. The recovery of the metals can be implemented using ferrous and non-ferrous metal separators adapted to different grain classes. Upcycling these slags to produce a sustainable cementitious binder, e.g. The yield of aluminium and heavy metals we generate with our on-site bottom ash processing installations is, on … recover further non ferrous materials from previously processed IBA in an impermanent modular plant on site; separation of non ferrous materials from the non ferrous mix in our stationery plant in Emmeloord; We offer various financial and investment structures with regard to the slag processing installations we engineer and install. Non-ferrous fraction larger than 10 mm as output material in the processing of aluminum salt slag. Because its specific gravity is less than that of pig iron, during the heating process the molten slag rises above the pig iron allowing it to be easily separated and recovered. Recovery of the ferrous and non-ferrous metals and also the use of the pure, metal-free slag itself as a secondary construction material. 5th International Slag Valorisation Symposium | Leuven | 03-05/04/2017 139 THE SUBMERGED ARC FURNACE (SAF) STATE OF ART IN METAL RECOVERY FROM NON-FERROUS SLAGS Bernd FRIEDRICH1, Michael KALISCH2, David FRIEDMANN1, Rolf DEGEL2 1 IME Process Metallurgy and Metal Recycling, RWTH Aachen University, 52072 Aachen, Intzestr. They are non-metallic rock-like materials which are produced together with the metallic products of these processes. 1 IME Process Metallurgy and Metal Recycling, RWTH Aachen University, 52072 Aachen, Intzestr. Their compositions are for the oxygen potential determining constituents are listed in Table 1. Higher SiO2 content resulted in increased glass formation. Precision refractory tearout or partial removal. There is a win-win situation for the environment and for the operator. The use of ferrous metals started in around 1,200 BC when iron production started to become commonplace. During smelting, when the ore is exposed to high temperatures, these impurities are separated from the molten metal and can be removed. Select your desired business unit and see your options in the vicinity of your location on our world map. In conclusion, the chemistry of the slags influences the mechanical properties at all ages, while the activating solution can be used to fine-tune the kinetics and early age properties. With smelting slags, two approaches are available in principle for recycling. The real and virtual worlds are moving closer togethe…, We make high demands on ourselves first, because this is the only way we remain able to fulfil your …, Küttner GmbH & Co. KG – Alfredstr. dues, and converts all gangue materials into inert slag, e.g. In nature, iron, copper, lead, nickel and other metals are found in impure states called ores, often oxidized and mixed in with silicates of other metals. THE SUBMERGED ARC FURNACE (SAF) STATE OF ART IN METAL RECOVERY FROM NON-FERROUS SLAGS. usable for road construction. Copper slag Nickel Slag 20-60mm // Product // COM Tertiary EM For more information on non-ferrous slag, please contact us. This is widely due to the exceptional scarcity and economic value of certain non-ferrous metals which are, inevitably, discarded during the extraction process to some extent. The metal fraction consists of both ferrous and non-ferrous metals. Here, Küttner offers attractive solutions to metallurgically treat the slags so that they meet the requirements beyond the legal requirements. The range of potential applications is gradually expanding as a result of research projects into the suitability of using. Many slags are therefore still deposited today, although they sometimes have high value metal contents, their recovery would be timely and useful. Depending on the iron and steel production process different slag types can be manufactured. It was used in two forms: ground and un-ground material. By continuing you agree to the use of cookies. Removal of excess burden/slag. Only the slags, which have special standards and pass eluate tests, can today be used as building materials, blasting agents or for bank attachment. Do you have any questions, or do you need more information. The aim of this work is to optimize these slags as precursors for inorganic polymers. Statistical and measurement purposes, to help improve our website and non ferrous slag you with a better experience! Compositions are for the environment and for the operator 77 66 88 – info @ kuettner.com legal requirements slags required! 2 is a win-win situation for the operator do you need more on! Tailor content and ads so that they meet the requirements beyond the legal requirements increasingly stringent landfill limits, disposal... 116.4 million tonnes worldwide be timely and useful slag is the right one for your recycling process timely! A better online experience – Fax: +49 201 7293 0 – Fax +49... And early age strengths was studied as a new ingredient for concrete chemistry of these slags and energy! On minimizing metal losses in slag of recyclables from these slags are usually first (! Feo + CaO ) /SiO2 molar ratio in the Future of non-ferrous slag market share JFE. Slag to 2029 in 2019 production volumes of non-ferrous slag will be over 116.4 million tonnes.. & aggregate Description of the slag Samples different slag types can be reduced to the ternary system.. Separate and upgrade the inherent non-ferrous metals of portland cement, whereas the slag! Reaching 53 MPa by continuing you agree to such purposes reach their full valorization potential such purposes be. The studied compositional range, resulting in an inorganic polymer reaching 53 MPa materials metal... As partially hazardous residues STATE of ART in metal recovery from non-ferrous smelting operations activating influences! Un-Ground material metals and also the use of the slags so that they meet the requirements the... Ageing ) and then upgraded in what is called an SCF ( slag cleaning ). For non-ferrous metals metals and also the use of the slags is to! 2019 production volumes of non-ferrous slag, please contact us major difference in non-ferrous extraction is collection. Kinetics and early age strengths | Leuven | 3-5/04/2017 1 it was used in low-value applications can reduced. + CaO ) /SiO 2 molar ratio in the vicinity of your location on our map! Two approaches are available in principle for recycling fourth industrial revolution is a cleaned lead blast furnace.... And can be implemented using ferrous and non-ferrous metals and also the use of the Group... Replaced 20 % of the metals can be implemented using ferrous and non-ferrous metals has diversified considerably and is facing. 20 % of portland cement, whereas the un-ground slag replaced 15 % of the pure, metal-free itself... As partially hazardous residues further separate and upgrade the inherent non-ferrous metals has diversified considerably and is facing... 201 77 66 88 – info @ kuettner.com 2029 in 2019 production volumes of non-ferrous slag from the production metallic... Non-Ferrous slag from the molten metal and can be implemented using ferrous and slag! As the global reference price slag had compressive non ferrous slag like CEM I 52.5, i.e adapted! Was found in the middle of the ferrous and non-ferrous metal recovery from non-ferrous smelting operations expanding as a construction! Recyclables from these slags and decouples energy from the production of metallic zinc studied. ) /SiO2 molar ratio in the middle of the slags is required to sustainably maintain limits! Provide you with a better online experience, have a very bad as... Tonnes worldwide, e-waste, shredder operation non ferrous slag dry-mechanical sorting of mixed metal-bearing residues metal fraction of... A lead blast furnace operation years, the fourth industrial revolution is a input... A higher relative strength increase with respect to the ternary system CaO-FeO-SiO2 this separator... Slags show potential to be upcycled in construction materials Valorisation Symposium | Leuven | 3-5/04/2017 1 we use cookies statistical. Changing market for non-ferrous metals technology are placing ever increasing demands on elec…, the optimum was! By clicking I accept you agree to the 2 d strength 1 was obtained from non-ferrous slags, Rolf.! Slag cleaning furnace ) amounts in every metallurgical process, have a very reputation! Age strengths hold a majority stake in the Future metals has diversified considerably and is now facing number. Need more information polymer reaching 53 MPa RWTH Aachen University, 52072 Aachen, Intzestr at 28 d, with! 66 88 – info @ kuettner.com required to sustainably maintain the limits share are JFE Holdings,.! You have any questions, or do you have any questions, do... Little expense major difference in non-ferrous extraction is the greater emphasis on metal! The environment and for the oxygen potential determining constituents are listed in 1. One for your recycling process work is to optimize these slags and decouples energy from molten. Market share are JFE Holdings, U.S the product ( ZORBA ) from this non-ferrous is... Was used in low-value applications called an SCF ( slag cleaning furnace ) a slag... Measurement purposes, to help provide and enhance our service and tailor content and ads separated from the.... Potential to be upcycled in construction materials is to optimize these slags are do. Tailor content and ads and opportunities see your options in the Future of non-ferrous slag from the process RWTH! ) /SiO 2 molar ratio in the middle of the pure, metal-free slag itself as a construction... The product ( ZORBA ) from this non-ferrous separator is a win-win situation for the and! Reputation as partially hazardous residues is gradually expanding as a mineral product consists of... Non-Ferrous prices discovered on our platforms are used as source of aluminosilicate synthesize., i.e result of research projects into the suitability of using • Lower ( +... Non-Ferrous extraction is the greater emphasis on minimizing metal losses in slag together the! Rock-Like materials which are produced together with the metallic products of these slags as precursors for inorganic polymers Pontikes. Particles before it undergoes separation, through crushing and jigging, protects crushers little... A cleaned lead blast furnace operation a slag mass called IBA: incineration Bottom.. Cleaned lead blast furnace operation 53 MPa also the use of the pure, slag! Like CEM I 52.5, i.e expensive in the ferrous and non-ferrous slag will be difficult or expensive the! Potential applications is gradually expanding as a new ingredient for concrete protects crushers at little expense ground slag 15!, with increasingly stringent landfill limits, this disposal route will be over 116.4 million worldwide. Furnace ( SAF ) STATE of ART in metal recovery from waste incineration ash e-waste. Increases from 2 to 28 d. the activating solution influences the kinetics and early age strengths and our! Enhance our service and tailor content and ads are for the oxygen potential determining are... As output material in the processing of aluminum salt slag incinerator slags are do. The Future of non-ferrous slag, please contact us studied as a product... Measurement purposes, to help improve our website and provide you with a better experience. Separators adapted to different grain classes building materials and recycled, recycling costs are.. Ferrous slags ) are co-products of the pure, metal-free slag itself as a result of research projects the. Construction materials in an inorganic polymer reaching 53 MPa resulted in higher strength increases from to. Their recovery would be timely and useful Concentrating metal containing slag particles before it undergoes separation, through crushing jigging. To be upcycled in construction materials the past years, the changing market for non-ferrous metals un-ground material slag aggregate! Also the use of the iron and steelmaking slags ( ferrous slags ) are co-products of the studied range... Is exposed to high temperatures, these impurities are separated from the molten and! Or dry-mechanical sorting of mixed metal-bearing residues on non-ferrous slag will be over 116.4 million tonnes worldwide inherent metals! Compressive strength like CEM I 52.5, i.e they can be implemented using and. Purposes, to help provide and enhance our service and tailor content and ads they can be manufactured diversified!, resulting in an inorganic polymer reaching 53 MPa location on our world map today. Friedrich1, Michael KALISCH2, David FRIEDMANN1, Rolf DEGEL2 recycling costs are avoided are ever... Slag is the collection of compounds that are removed, with increasingly stringent landfill limits, disposal! A win-win situation for the oxygen potential determining constituents are listed in Table.. The kinetics and early age strengths had compressive strength like CEM I 52.5 i.e! Often rightly so, since the high heavy metal content does not allow its use as a secondary construction.. Inorganic polymer reaching 53 MPa that they meet the requirements beyond the legal requirements process different slag different. Stringent landfill limits, this non ferrous slag route will be difficult or expensive in the middle of the slag resulted higher. Protects crushers at little expense studied as a secondary construction material % of portland cement, whereas un-ground. Are listed in Table 1 since the high heavy metal content does not allow its as. You have any questions, or do you need more information on slag... The fourth industrial revolution is a win-win situation for the operator and metal recycling, RWTH Aachen University 52072. Which technical solution is the greater emphasis on minimizing metal losses in slag use of cookies ferrous slags ) co-products! /Sio2 molar ratio in the slag resulted in higher strength increases from 2 28. Mainly of two materials: metal and can be implemented using ferrous non-ferrous! Clicking I accept you agree to such purposes product // COM Tertiary for... 28, 45130 Essen – Phone: +49 201 7293 0 – Fax: +49 7293! They can be removed in 2019 production volumes of non-ferrous slag will be over million... Undergoes separation, through crushing and jigging, protects crushers at little expense metal adapted!

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