HOME→Limestone crusher smelting waste slag treatment: resource utilization and environmental protection
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Limestone crusher smelting waste slag treatment: resource utilization and environmental protection
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Resource utilization strategy of Febearing smelting slag in
Ironbearing smelting slag, as a secondary solid waste resource, holds significant recycling value Its treatment adheres to three fundamental principles (Shen, 2008, Cheng, 2021) The first 2024年5月21日 通过全面分析近年来发表的相关文献,本文对有色金属冶炼废渣的特性、资源化利用途 径及安全利用评价等方面的最新研究进展进行了介绍。 研究结果表明,不同的原生精矿、 Characteristic, resource approaches and safety utilization Through a thorough analysis of the literature published in the last years, the latest research progress on the characteristics, resource utilization pathways, and safety utilization evaluation Characteristic, resource approaches and safety utilization 2024年6月20日 research on the use of smelting slag in environmental protection and sustainable resource utilization Key words: smelting slags; nonferrous metal; slags characteristic; Characteristic, resource approaches and safety utilization
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Life cycle assessment of melting reduction treatment for iron
2022年11月1日 Blast furnace slag is the waste slag discharged from smelting pig iron in the blast furnace, belonging to the waterquenched slag It has good potential hydraulic properties 2018年8月1日 In this paper, we reviewed steel slag treatment, recycling, and management in China Although China’s annual slag production reached more than 100 million tons, its Steel slag in China: Treatment, recycling, and management2023年10月18日 To improve the knowledge of chromiumcontaining metallurgical solid wastes, this paper introduces the physicochemical properties of chromiumcontaining metallurgical dusts and slags and summarizes the Valuable Recovery Technology and Resource 2024年5月21日 This paper reviews various technologies for steel slag valorization to guide researchers working in the field of slag resource recovery and sustainable waste utilizationCharacteristic, resource approaches and safety utilization
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Comprehensive Utilization Technology of Steel Slag
2019年5月23日 Steel slag is the waste generated in the steelmaking process and includes ferric oxide and the impurities of some infusible matters It is the byproduct when slagforming 2023年3月6日 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 Recycled Smelter Slags for In Situ and Ex Situ 2020年1月1日 Therefore, some new exploration has been made on the resource utilization of steel slag, including dephosphorization of sewage, heavy metal adsorption, hazardous gas removal, fixed CO 2 by mineral Review of Resource Utilization Technology of Steel Slag and The rapid advancement of industrialization has significantly boosted iron production, resulting in a substantial increase in ironbearing smelting slags Extracting iron from ironbearing smelting slag is a critical research area in metallurgy, playing a crucial role in enhancing resource utilization and environmental protection (Yi et al, 2012)Resource utilization strategy of Febearing smelting slag in
Valuable Recovery Technology and Resource
2023年10月18日 As a type of metallurgical solid waste with a significant output, chromiumcontaining metallurgical dust and slag are gaining increasing attention They mainly include stainless steel dust, stainless steel slag, ferrochrome 2024年7月30日 1980, slag was tested by EPA (environmental protection agency) in terms of ignitability, corrosivity, reactivity and toxicity and it was found that iron and steelmaking slags are non hazardousIRON AND STEELMAKING SLAGS: ARE THEY 2018年8月1日 The Code for the Design of Environmental Protection of the Iron and Steel Industry (GB 504062007), Steel Slag Treatment Technology Standard (GB/T 295142013), and Standard for Pollution on the Storage and Disposal Site for General Industrial Solid Wastes (GB 185992001) stipulate the rules for the treatment, storage, and disposal of steel slag Steel slag in China: Treatment, recycling, and management2024年6月10日 Comprehensive Utilization of Metallurgical Resources and Environmental Protection Print Special Issue Flyer; Chromium slag and copper smelting waste slag are solid wastes generated in the process of industrial production of chromium salt and copper metal, respectively Moreover, the comprehensive utilization of resources of chromium Metals Special Issue : Comprehensive Utilization of
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General Situation of Iron and Steel Smelting and Solid Waste Treatment
2023年8月26日 Based on the steel manufacturing process, the difficulty of solid waste treatment can be greatly reduced, which can not only directly make full use of iron, carbon and other resources in solid waste, but also return to the steel production process for use, save a lot of resources such as iron ore and coal, and greatly improve the comprehensive 2022年3月1日 Diversified development of calcium carbide indus try, resource utilization of solid waste carbide slag and its application of carbon emission reduction have been full y reviewedResource utilization of solid waste carbide slag: a brief 2022年2月1日 Steel slag (SS), accounting for about 15–20% of the total steel amount, has been produced in huge quantities worldwide (Han et al, 2015; Shi, 2004)Initially, SS was treated as a waste material and disposed of as landfill, which not only took up land resources but also severely impacted the natural environment and human health due to the highly alkaline leachates Environmental benefit assessment of steel slag utilization 2023年2月1日 AMD generally refers to mine drainage with a pH value of less than 65, and its components mainly contain SO 4 2, Fe 2+, Fe 3+, Mn 2+, and other metal ions (Nadiratuzzahra and Tristantini, 2020)AMD is widely distributed, and almost all major global mining countries have serious AMD problems (Park et al, 2019), such as the United States, Australia, and CanadaA review of acid mine drainage: Formation mechanism, treatment
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Process Safety and Environmental Protection ScienceDirect
2024年10月1日 The primary traditional treatment methods applied to converter slag are landfill and partial recovery; however, these two methods not only occupy a large amount of land but also have serious drawbacks with regard to resource utilization and environmental protection (Hui et al, 2023, Xianggang et al, 2024)2023年10月15日 The annual ladle furnace slag output has exceeded 20 million tons Currently, most ladle furnace slag is treated via stacking However, slag generally contains heavy metals (Gijbels et al, 2020; Xu and Yi, 2020) and is prone to pulverization during stacking, resulting in dust formation and heavy metal pollutionConsequently, this treatment method wastes Generation, utilization, and environmental impact of ladle furnace slag 2024年10月1日 Qiu et al [8] carried out experiments of sodium hydroxide steel slag double alkali method of sintered flue gas desulfurization in a bubbling reactor, and found that the desulfurization rate could be maintained above 80 % for a long time under the optimal conditions, and the sodium hydroxide steel slag double alkali method of Utilization of steel slag in air pollution and greenhouse gas 2020年9月24日 Steel slag is a large amount of residual material produced in the process of steel manufacturing With the requirements of sustainable development in China, the utilization of steel slag has become a hot issue Through an indepth study on steel slag, it is apparent that it has been widely used in various fields in recent years The resource utilization of steel slag is not Sustainable Utilization of Steel Slag from Traditional Industry
(PDF) An overview of resource utilization of steel slag as
2020年1月1日 The environmental pollution caused by steel slagSteel slag accumulation seriously restricts the goal of green and sustainable development in China, and resource utilizationResource utilization is 2023年5月26日 Gypsum sludge refers to a hazardous solid waste produced by the nonferrous smelting industry, and its disposal and utilization are environmentally challenging To investigate the feasibility of replacing limestone with gypsum sludge for smelting slagging, the effect of gypsum sludge and smelting conditions on high lead slag reduction smelting was studied Utilization and detoxification of gypsum sludge by replacing 2021年3月7日 CO2 mineralization (aka mineral carbonation) is a promising method for the chemical sequestration of CO2 via reaction with oxides of alkaline or alkalineearth metals to form carbonatesEmerging CO2Mineralization Technologies for CoUtilization 2021年4月30日 In order to investigate the solidification and stabilization of a heavy metal, lead (Pb), in waste acid residue, various mass fractions (0%, 10%, 20%, 60%, and 80%) of magnesium slag were mixed (PDF) Resource Utilization of Magnesium Slag ResearchGate
(PDF) Environmental Hazards of Limestone Mining and
2020年2月18日 Limestone is a fundamental raw material in various industrial sectors It is formed due to biochemical precipitation of calcium carbonate, and further compaction over long periods of time2021年9月1日 Steel slag is a solid waste product generated during the carbonation stage of steelmaking It has high levels of heavy metals and substantial amounts of free calcium and magnesium oxide, making it Environmental benefit assessment of steel slag utilization 2004年1月1日 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 (PDF) Recycling and environmental issues of 2024年4月8日 The disposal of electroplating sludge (ES) is a major challenge for the sustainable development of the electroplating industry ESs have a significant environmental impact, occupying valuable land resources and Approaches for the Treatment and Resource
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Sustainability Special Issue : Sustainable Resource Utilization
2022年11月30日 The overexploitation and utilization of natural resources in mining cities has caused sharp contradictions between urban development and ecological protection In addition, dynamic changes in resources and environmental carrying capacity (RECC) will be changed by the different ways and degrees of the specific utilization of natural resources2024年6月12日 The highvalue utilization of blast furnace slag (BFS) and steel slag (SS) as a valuable resource in the field of carbon reduction represents a green revolution, and also is an indispensable path toward breaking through resource and environmental constraints and achieving highquality, sustainable development through solid waste utilization in the steel Recycling of iron and steel slag for carbon reduction and low 2024年5月21日 As an industrial byproduct of smelter operations, smelting slag has brought certain environmental issues including without taking safety precautions or using appropriate management Through a thorough analysis of the literature published in the last years, the latest research progress on the characteristics, resource utilization pathways, and safety utilization Characteristic, resource approaches and safety utilization 2021年1月28日 [15] Along with the depletion of highquality mineral resources and the requirement of environmental protection, the treatment of copper smelting slag should be improved to realize both economic Comprehensive review on metallurgical recycling and cleaning of copper slag
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Sustainable building materialsrecycled aggregate and
2024年2月24日 Resource utilization of construction and demolition (CD) waste has great potential to significantly reduce the consumption of natural resources and improve the environment Meanwhile, establishing a sound policy system and reducing production are the key ways to solve the problem of CD waste Numerous studies on CD waste, recycled concrete 2024年2月7日 The research on the resource utilization of copper slag has continuously evolved, and there have been significant achievements in extracting different valuable components from copper slag With the growing environmental awareness, the concept of lowcarbon and energysaving has gradually infiltrated the processing technology of copper slagResource Utilization of Copper Slag with a Focus on2024年6月21日 It is expected that mining and smelting of lithium resources will continue to increase in the near future Therefore, we need to pay attention to the formation, physicochemical characteristics, and resource utilization of lithium slag, considering the mining demand, environmental supervision, and proper treatment of solid wasteReview: The formation, characteristics, and resource utilization 2022年10月10日 Purpose Large stocks of many kinds of zinc smelting solid waste have been generated; moreover, the disposal process consumes high amounts of energy and takes low output rate of metal resources, which seriously endangers regional ecological environment and human health The purpose of this study is to compare the environmental impact of the Environmental impact of typical zinc smelting that
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Review of Resource Utilization Technology of Steel Slag and
2020年1月1日 Therefore, some new exploration has been made on the resource utilization of steel slag, including dephosphorization of sewage, heavy metal adsorption, hazardous gas removal, fixed CO 2 by mineral The rapid advancement of industrialization has significantly boosted iron production, resulting in a substantial increase in ironbearing smelting slags Extracting iron from ironbearing smelting slag is a critical research area in metallurgy, playing a crucial role in enhancing resource utilization and environmental protection (Yi et al, 2012)Resource utilization strategy of Febearing smelting slag in 2023年10月18日 As a type of metallurgical solid waste with a significant output, chromiumcontaining metallurgical dust and slag are gaining increasing attention They mainly include stainless steel dust, stainless steel slag, ferrochrome Valuable Recovery Technology and Resource 2024年7月30日 1980, slag was tested by EPA (environmental protection agency) in terms of ignitability, corrosivity, reactivity and toxicity and it was found that iron and steelmaking slags are non hazardousIRON AND STEELMAKING SLAGS: ARE THEY
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Steel slag in China: Treatment, recycling, and management
2018年8月1日 The Code for the Design of Environmental Protection of the Iron and Steel Industry (GB 504062007), Steel Slag Treatment Technology Standard (GB/T 295142013), and Standard for Pollution on the Storage and Disposal Site for General Industrial Solid Wastes (GB 185992001) stipulate the rules for the treatment, storage, and disposal of steel slag 2024年6月10日 Comprehensive Utilization of Metallurgical Resources and Environmental Protection Print Special Issue Flyer; Chromium slag and copper smelting waste slag are solid wastes generated in the process of industrial production of chromium salt and copper metal, respectively Moreover, the comprehensive utilization of resources of chromium Metals Special Issue : Comprehensive Utilization of 2023年8月26日 Based on the steel manufacturing process, the difficulty of solid waste treatment can be greatly reduced, which can not only directly make full use of iron, carbon and other resources in solid waste, but also return to the steel production process for use, save a lot of resources such as iron ore and coal, and greatly improve the comprehensive General Situation of Iron and Steel Smelting and Solid Waste Treatment 2022年3月1日 Diversified development of calcium carbide indus try, resource utilization of solid waste carbide slag and its application of carbon emission reduction have been full y reviewedResource utilization of solid waste carbide slag: a brief
Environmental benefit assessment of steel slag utilization
2022年2月1日 Steel slag (SS), accounting for about 15–20% of the total steel amount, has been produced in huge quantities worldwide (Han et al, 2015; Shi, 2004)Initially, SS was treated as a waste material and disposed of as landfill, which not only took up land resources but also severely impacted the natural environment and human health due to the highly alkaline leachates 2023年2月1日 AMD generally refers to mine drainage with a pH value of less than 65, and its components mainly contain SO 4 2, Fe 2+, Fe 3+, Mn 2+, and other metal ions (Nadiratuzzahra and Tristantini, 2020)AMD is widely distributed, and almost all major global mining countries have serious AMD problems (Park et al, 2019), such as the United States, Australia, and CanadaA review of acid mine drainage: Formation mechanism, treatment