MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Smelting waste slag grinding and recycling
Recent research progress on recycling metallurgical waste slag and
2024年11月1日 The green, efficient, and pollutionfree recycling of metallurgical waste slag has garnered global attention This study reviews the latest technologies for the recycling of steel 2023年3月3日 Copper slag, a waste solid produced in the copper smelting process, is a highquality secondary resource with huge output The recycling and utilization of copper slag is of Review on Comprehensive Recovery Valuable Metals and 2018年8月1日 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 Steel slag in China: Treatment, recycling, and management2016年7月29日 One of the most important goals of copper slag metallurgy is to minimize copper losses to slag from entrained Cu droplets during the smelting of copper concentrate, 3 often Slag Metallurgy and Metallurgical Waste Recycling JOM
Recovery of Valuable Metals from Nickel Smelting Slag
2021年9月19日 Nickel smelting slag contains valuable metals including nickel and copper Failure to recycle these metals wastes resources, and disposal of nickel slag in stockpiles results in environmental pollution Nickel slag 2020年2月14日 Therefore, our study focused on zero waste recycling in the manufacture of foundry pig iron with Cu content from copper slag using hightemperature reduction smelting and investigated the utilization of byproducts A Study on Reduction of Copper Smelting Slag by 2018年12月12日 This work reviewed both the fundamental aspects of slag recycling and current major applications Understanding the fundamental crystallization behavior and A Review on Reclamation and Reutilization of Ironmaking and 2020年6月3日 In this study, Zn/Cubearing smelting slag was recycled via an integrated acid dissolution and hematite precipitation method The slag was dissolved in nitric acid to generate Highpurity recycling of hematite and Zn/Cu mixture from waste
Recycling of iron and steel slag for carbon reduction and low
2024年6月12日 Blast furnace slag (BFS) and steel slag (SS), as industrial solid wastes produced in the process of steelmaking, account for 80%–90% of the total smelting slag BFS accounts 2023年12月1日 Recycling of valuable metals not only increases the economic potential of smelting dust, but also helps to solve the disposal and environmental problems of heavy metals (such as lead, chromium and cadmium) entrained in the dust (Han and Holappa, 2003; Salihoglu and Pinarli, 2008)Guo et al (2015) used a mixed NaOH–Na 2 S leaching system to extract Recycling and reutilization of smelting dust as a secondary 2024年9月1日 The Copper smelting slag (CSS) used in this experiment comes from a copper smelter in Xinjiang, China, for the CSS stockpile site photo, which can be seen in a large amount of the CSS raw materials stockpile (Fig 1 A)The Xray diffractometer (XRD) physical analysis, to further clarify the types of minerals in the raw materials as well as a variety of metal elements A new ecofriendly approach for recovery of iron from copper smelting 2014年7月29日 Slag is a byproduct of the metallurgical smelting process Slag has a double role: it permits removal of The goals of slag recycling efforts are both environmental and economic Reprocessed slag can replace other more Slag: From Byproduct to Valuable Construction
Advances in lithiumion battery recycling: Strategies, pathways,
2024年6月29日 Smelting, a typical hightemperature roasting method for pyrometallurgical recovery of LIBs, involves directly placing untreated waste battery materials into the roaster at medium temperatures (600–800 °C) to eliminate electrolyte interference and other substances as the pretreatment step, followed by continuous increase in temperature to complete the 2023年4月1日 Thus, the effective processes to recycle lead from waste LABs consisted of two parts: slag type regulation and lead paste reduction The flow diagram for treating waste LABs via reductive smelting is shown in Fig S1, and the specific operation steps are described in Recycling lead from waste leadacid batteries by the combination 2021年5月1日 Copper slag, generated mainly during copper smelting, and classified as a potentially harmful waste, is an important secondary resource containing not only valuable metals, such as Cu, Fe, Zn, Co and Ni, in abundant quantities, but also hazardous elements, such as Pb and AsHence, in response of its potential economic performances and environmental Comprehensive review on metallurgical recycling and cleaning of copper slag2021年12月2日 In the secondary refining process of industrial silicon, approximately 15 pct of the silicon is trapped in the silicon slag Thus, the separation and recovery of silicon from the industrial silicon slag are highly significant for the reuse of silicon resources Based on the large difference among the melting temperature, density, and viscosity of the silicon and slag in Separating and Recycling of Elemental Silicon from Wasted Industrial
Efficient recovery of copper from copper smelting slag by gravity
2024年8月15日 Copper smelting slag (CSS) is a typical bulk industrial solid waste generally produced during the matte smelting and blowing smelting process of the copper sulfide concentrate [1], [2], [3]Currently, for every metric ton of metallic copper produced, approximately 22 ∼ 30 metric tons of CSS are generatedTaking copper slag as an example, copper slag is a solid waste containing iron, lead, and zinc produced in the process of copper smelting, which is a typical nonferrous smelting slag Besides oxides of Ca, Mg, Si, and Al, copper slag also contains 20 %–40 % total iron (TFe) and a certain amount of lead and zinc, which has a high comprehensive utilization value ( Zhang et al, 2020 Resource utilization strategy of Febearing smelting slag in China: 2022年4月1日 Circular economy is an emerging subject area which has widely been recognised to have immense potential for resource circularity and sustainable development (Velenturf et al, 2019, Lanau and Liu, 2020)It comprises sustainable resource processing strategies that focus on a ‘produce, use and recycle’ paradigm (Nikoloski, 2020)The concept integrates economic The potential for copper slag waste as a resource for a circular 2019年5月16日 Spent leadacid batteries (LABs) are widely scrapped from automobiles and electric bicycles in urban areas The reported amounts of scrap LAB annually in China total more than 26 million metric tons1, 2 LABs are a solid waste and classified as hazardous materials in many countries Their disposal has become a significant environmental concern3 Recycling Spent LeadAcid Battery Recycling via Reductive SulfurFixing Smelting
Cotreatment of copper smelting slag and gypsum residue for
2022年8月1日 Researchers and engineers have developed different technologies in recovering valuable metals from copper smelting slag, and these methods can be divided into four categories, the deep cleaning technology with electrical furnace (EF), the strengthened reducing method, the hydrometallurgical routine, and the slow coolinggrindingfroth flotation technology2018年3月12日 PDF Mining and metallurgical processes produce significant amounts of waste In South Africa, mining and metallurgical wastes constitute one of the Find, read and cite all the research you (PDF) Mining and metallurgical wastes: a review of 2017年2月1日 Substantial smelting waste slag (SWS) are produced from various kinds smelting process, such as zinc hydrometallurgy, sintering blast furnace lead smelting, Golbal Symposium on Recycling: Waste Treatment and Clean Technology held in San Sebastioan 5–9 (1999) Google Scholar Coruh and Ergun, 2010Clean strengthening reduction of lead and zinc from smelting waste slag 2020年7月7日 This paper presents a brief review of the history of titanium smelting and the current trends in related research and development Presently, both electrolytic and metallothermic reduction processes utilizing various feed materials such as titanium oxide are widely studied However, many challenges remain to be addressed before realizing the Recent Progress in Titanium Extraction and Recycling
Pyrometallurgical Processes for Recycling Waste Electrical and
2021年11月26日 Pyrometallurgy is one of the most viable extractive metallurgy techniques for recycling high volumes of waste electrical and electronic equipment (WEEE) Pyrometallurgical processes often involve the simultaneous presence of multiple liquid solutions such as slag, matte, metallic melt, and molten salt in which valuable metals and impurities can be partitioned 2018年8月1日 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 Steel slag in China: Treatment, recycling, and management2024年2月7日 Reduction The reduction process for copper slag is typically followed by magnetic separation []Depending on the temperature and intensity of reduction, it can be classified as direct reduction, deep reduction, and smelting reduction []Commonly used reducing agents include coke, biomass carbon, and natural gas [31, 32]The reduction process converts Resource Utilization of Copper Slag with a Focus on Springer2024年2月15日 The problem of steel slag could be solved by expanding the utilization ways of steel slag At present, steel slag has been used in the production of cement, the construction of urban roads and the production of fertilizer (Fronek et al, 2012; Jiang et al, 2018b; Shi and Qian, 2000; Wang and Cai, 2006)In developed countries, the utilization rate of steel slag is close to Vanadium extraction from steel slag: Generation, recycling and
Comprehensive recycling of zinc and iron from smelting waste
2020年8月1日 The comprehensive recycling of zinc and iron from smelting waste containing zinc ferrite (SWCZF) remains a challenge A study is to be the first proposed that hazardous SWCZF is directionally converted with SO 2 for simultaneous recycling of zinc and iron In the first step, zinc and iron phases in SWCZF were transformed into zinc sulfate and ferric oxide via oriented 2019年7月1日 Large amounts of lead slag are produced during the production of primary lead and secondary lead Considering lead concentrate smelting as an example, a primary lead smelting system production of 1 t of lead will discharge 7100 kg of lead slag (Hou, 2011)At the secondary lead recycling process, for each ton of metallic lead produced, 100–350 kg of slag A review on lead slag generation, characteristics, and utilization2019年7月1日 BOS slag is also known as BOF (basic oxygen furnace) slag, and the choice of acronym depends on the source material; however, herein we will use BOS as a default Around 20 million tons of slag is produced annually in Europe, half of which is produced is BOS slag (Liu et al, 2016), meaning that large quantities of industrial byproducts are produced each yearThe recycling and reuse of steelmaking slags — A review2021年11月11日 The application of Nerin Recycling Technologies (NRT) in electronic waste (Ewaste) smelting was introduced in this study, and the material and energy balance was calculated based on the practical (PDF) Materials and Energy Balance of EWaste
Extraction and separation of copper and iron from copper smelting slag
2022年9月25日 Iron in CSS mainly exists in the form of complex iron oxides such as iron olivine rather than magnetite or hematite, which is difficult to be recovered efficiently by traditional beneficiation methods (Li et al, 2021)In order to separate iron from CSS, it is necessary to convert the complex iron oxide into metal iron or ferric oxide, and then recover it through 2021年1月28日 Request PDF Comprehensive review on metallurgical recycling and cleaning of copper slag Copper slag, generated mainly during copper smelting, and classified as a potentially harmful waste, is Comprehensive review on metallurgical recycling and cleaning of copper slag2020年6月18日 Highpurity recycling of hematite and Zn/Cu mixture from waste smelting slag Article Open access 03 June 2020 Understanding the biogeochemical Efficient Synchronous Extraction of Nickel, Copper, and Cobalt 2016年1月1日 However, the process is only effective for recovering metallic copper and sulphide minerals, and cobalt remains in the slag or flotation tailings and eventually gets disposed of in waste dumps Recovery of copper from smelting slag by sulphation
A new ecofriendly approach for recovery of iron from copper smelting
2024年9月1日 The research report addresses the issue of waste gas pollution within the copper smelting slag industry and contributes to the advancement of waste gas recycling technology by filling existing gaps in the field((Łabaj et al, 2021; Shi et al, 2008; Xiao et al, 2023)2021年1月12日 Metso Insights Blog Mining and metals blog Slag recycling and reuse – GREENY approach Mining Jan 12, 2021 Slag (GRinding Energy EfficiencY) for very long time periods what represents a high environmental Slag recycling and reuse – GREENY approach Metso2023年5月15日 Steel slag is the main solid waste generated in the steelmaking process, accounting for 15 to 20% of crude steel output [1]China's crude steel output in 2021 was 1035 billion tons [2], more than half of the global crude steel output (19505 billion tons) [3], and the steel slag output exceeded 120 million tonsIn contrast, the comprehensive utilization rate of Comprehensive utilization of steel slag: A review ScienceDirect2020年11月16日 Metals smeltingcollection method for recycling of platinum group metals from This paper reviews the PGMs recovery from waste catalysts using a metals smeltingcollection Chu JP, Hwang IJ, Tzeng CC, et al Metals smeltingcollection method for recycling of
A Study on Reduction of Copper Smelting Slag by
2020年2月14日 Copper smelting slag is a solution of molten oxides created during the copper smelting and refining process, and about 15 million tons of copper slag are generated annually in Korea The oxides in copper smelting 2024年6月12日 1 INTRODUCTION Blast furnace slag (BFS) and steel slag (SS), as industrial solid wastes produced in the process of steelmaking, account for 80%–90% of the total smelting slag [] BFS accounts for about 30% of pig iron output, [] while SS accounts for 10%–15% of the crude steel output [] SS comprises various slags, including basic oxygen furnace slag (BOFS) Recycling of iron and steel slag for carbon reduction and low 2021年3月16日 By Alton Tabereaux, Contributing Editor Spent potlining (SPL) disposal is one of the largest environmental waste management challenges confronting worldwide primary aluminum smelters due to its toxicity The International Aluminium Institute (IAI) asserts that 16 million tons of SPL were generated from primary aluminum production in 2019,1 making it the The SPL Waste Management Challenge in Primary Aluminum2016年7月29日 Slag is a typical byproduct generated during hightemperature metallurgical processes It must be treated appropriately to meet the increasingly strict environmental requirements and to realize the economic benefits1,2 The present topic, “Slag Metallurgy and Metallurgical Waste Recycling,” collects eight articles, which demonstrate the progress of slag Slag Metallurgy and Metallurgical Waste Recycling JOM
Steel slag in China: Treatment, recycling, and management
2018年8月1日 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 In this paper, we reviewed steel slag treatment, recycling, and management in China2018年11月7日 Steelmaking plants continuously strive to reduce the environmental load in the steelmaking process, resulting in the recycling of energy, water, and other byproducts In this chapter, techniques for the treatment and recycling of metallurgical slags are described Metallurgical slags are considered secondary raw materials and are used or added during the Treatments and Recycling of Metallurgical Slags IntechOpen2024年1月3日 Soda smelting slag is generated during the processing of desulphurized paste from recycling of waste lead acid batteries and other lead containing secondary materials in tilting rotary furnaces, and it represents about 95 % of the mass of the charge entering the furnace This type of slag is very reactive It contains toxic substances (lead, arsenic and antimony) and OBTAINING Na2SO4 FROM SODA SMELTING SLAG FROM THE RECYCLING 2024年4月15日 Smelting is the main method to obtain lead metal In the process of pyrometallurgy, blast furnace and smoker produce a large amount of lead smelting waterquenching slag (hereinafter referred to as lead slag) According to statistics, China’s lead smelting system emits 71 tons of lead slag for every 1 ton of lead metal producedIron recovery from lead smelting waterquenching slag by
Sustainable and highefficiency recycling of valuable metals
2021年7月5日 First, the original slag system of SiO 2Al 2 O 3 has high melting temperature and viscosity because the main gangues in the ferroalloy scrap are quartz and corundum (Keramat and Hashemi, 2020, Kleebe et al, 2001, Wang et al, 2020, Xiao et al, 2020) Therefore, a suitable smelting slag system should be designed and optimized