
Relevant regulations on the treatment of smelting waste residue from limestone crusher

Sustainable Spent Pot Lining Management Guidance
In order to manage spent pot lining sustainably, the following guidelines have been proposed: 展开2023年12月1日 The recycling of smelting dust serves the dual purpose of mitigating environmental hazards and reclaiming untapped metal reserves from the waste Therefore, Recycling and reutilization of smelting dust as a ScienceDirectSpent pot lining (SPL) is a solid waste generated from primary aluminum production, and its management has posed a challenge for the aluminum industry for many years SPL is Developing Guidance to Support Sustainable Spent Pot Lining (SPL The following section provides a summary of EHS issues associated with base metal smelting and refining, which generally occur during the operational phase, along with recommendations for Environmental, Health, and Safety Guidelines Base Metal Smelting

Cotreatment of waste smelting slags and gypsum wastes via
2017年1月15日 In this work, a new innovative slag cleaning technique was presented to economically and environmentally friendly recover valuable metals from cobaltbearing copper 1980年5月19日 In accordance with the new proposed interpretation of the Mining Waste Exclusion, EPA proposes to relist six of the eight waste streams from primary metal smelting Remanded Smelting Wastes Technical Background Document US 2023年3月6日 The results from the different studies suggested that the use of recycled smelter slag waste products as a reactive medium for site remediation, as well as water and Recycled Smelter Slags for In Situ and Ex Situ Water and 2010年9月15日 Smelting residue after removing volatile product is treated in a twostep leaching process to remove As and dissolve copper for recovery by solvent extraction Also the final Treatment of smelting residue for arsenic removal and recovery of

(PDF) Environmental Hazards of Limestone Mining and
2020年2月18日 The study revealed that open cast mining of limestone rock's and direct contact of wastewater from the cement plants into the water bodies does have a negative impact on 2018年3月12日 This paper reviews some of the key research and emerging trends in the mitigation, recycling, and reuse of mining and metallurgical wastes A brief overview is (PDF) Mining and metallurgical wastes: a review of ResearchGate2022年10月10日 In the solid waste synergism mode (Fig 1), which is based on the traditional smelting mode process, a new “volatilization kilnmultichamber furnace” process is added to address the large amount of tail residue generated in the silver flotation section and recover valuable components, such as Zn, Pb, and InAt the same time, solid waste that has not been Environmental impact of typical zinc smelting that implements 2018年6月28日 smelting waste acid (CSWA) because of its strong acidity4 Owing to its high toxicity and tendency to accumulate in organisms, CSWA significantly threatens the safety of ecosystem and human health5 Therefore, the treatment and recovery of CSWA is a significant issue for the Cusmelting industry, which has to comply with the increasinglyA Novel Process for the Treatment of CopperSmelting Waste

Characterization of Copper Smelting Flue Dusts from a Bottom
2020年8月26日 The smelting technology and flue dust treatment have an influence on the physical and chemical characteristics of flue dusts collected in copper smelting We characterized flue dusts from a BottomBlowing Bath Smelting (BBS) process and from a Flash Smelting (FS) process by determining their comprehensive physical, chemical, and mineralogical 2010年9月15日 The results showed that over 90% of arsenic in smelting residue was removed by volatilization and recovered as As 2 O 3 while copper content increased to 42 wt% In the twostage leaching process, first up to 90% of arsenic was selectively dissolved in 025 mol/L H 2 SO 4 solution and second, the solids were further leached in 10 mol/L H 2 SO 4 solution giving Treatment of smelting residue for arsenic removal and recovery 2019年5月23日 Table 41 shows that solid wastes such as reducing slag, primary smelting and refining dross, and precious metal slag are mainly generated in lead smelting via thermal smelting–electrolysis refining technology A large quantity of zinc leaching residue is generated in zinc hydrometallurgical processes This type of solid waste is the main slag in zinc smelting Utilization of Acidic Residue from Lead and Zinc Production Processes 2017年1月1日 Recovery of copper and cobalt from smelter slag using reductivesulfurizing smelting method was performed in this study The effects of reductive agent (coke), sulfurizing agent (pyrite), slag (PDF) Reductivesulfurizing smelting treatment of smelter slag

Cotreatment of flotation waste, neutralization sludge, and
2017年12月28日 Arsenic is a highly toxic element Its toxicity to human health includes cancer of the skin, brain, lung, kidney, and stomach (Smith et al 1992; Wang et al 2011; Wu et al 2016)China owns 70% of the world’s arsenic resources and is also the largest producer of arsenic with more than 40,000 tons of annual emissions (Xiao et al 2008; Zhang et al 2014)2021年2月26日 A potential industrial wastewaste cotreatment process was proposed and verified for the recovery of the valuable metals Co, Ni, and Cu from copper smelting slag by utilizing high temperature SO2 A potential industrial waste–waste cotreatment process of 2013年12月1日 The acid producing potential, the gross amount of heavy metals As, Cd, Pb, Zn and their leaching concentrations of Au smelting wastes from gold mining area were tested by acid neutralizing Solidification/stabilization treatment of gold mining waste residueCurrently, there is a limited amount of research on the smelting slag in general Zhang S et al has successfully developed highporosity ceramics and glass ceramics using smelting slag from the waste automobile catalyst [31]In addition, the Chinese invention patent also mentioned a method for recovering rare metals lanthanum, cerium, and zirconium from smelting prehensive recycling of slag from the smelting of spent

Frontiers Cotreatment of Waste From Steelmaking
2020年10月15日 Keywords: carbon capture and storage, steel slag, carbon emission reduction, waste management, mineralization Citation: Zhao Q, Chu X, Mei X, Meng Q, Li J, Liu C, Saxén H and Zevenhoven R (2020) Cotreatment 2018年7月2日 PDF Growing social awareness of the need to adequately treat mining waste in order to protect the environment has led to an increase in the research Find, read and cite all the research you (PDF) Mining Waste and Its Sustainable 2019年9月3日 Industrially, the pyrometallurgical treatment of laterites is mostly accomplished with a wellestablished method, namely, the rotary kiln–electric arc furnace (RKEF) process, which includes (PDF) Nickel Laterite Smelting Processes and Some2019年2月23日 In the treatment of arsenic residue at home and abroad, a certain amount of reagent is added to the waste acid Arsenite and arsenite with stable properties can be produced byResearch progress of arsenic removal from wastewater

A comprehensive review on the recovery of copper values from
2023年8月1日 The stringent environmental regulations and the need for recycling mineral wastes demand a suitable alternative ecofriendly process Hence, the bioleaching route employing microbes could be a potential green technology for recovering metallic values from the waste slags under atmospheric conditions [ 14 , 16 , 21 ]2017年10月3日 Reductive smelting trials were undertaken on a bauxite residue (red mud) sample via SAF (submerged arc furnace) treatment to produce pig iron (achieved Fe recovery > 95 %) and a critical metal Combined SAF Smelting and Hydrometallurgical Treatment of 2022年5月30日 Valuable metals in smelting sludge from smelting industry have a recovery value In this work, for realizing waste recycling effectively, selective and multistep leaching of valuable metals was Comprehensive Recycling Technology of Waste Residues in Zinc 2020年12月1日 Red mud is a highly alkaline solid waste discharged in the alumina production process Because of its large amount of discharge and high alkalinity, it is mostly stored in dams, occupying a large Investigation of the smelting reduction mechanism and of iron

Recovery of cobalt and zinc from the leaching solution of zinc smelting
2019年2月1日 The discharge and accumulation of a large amount of smelting waste residue lead to serious waste of resources and prominent environmental issues On the one hand, global zinc consumption exceeds 13 million tons annually, and global zinc demand is predicted to continuously increase in the coming years [ 1 ]2021年2月8日 Vegetation reconstruction was widely adopted for the waste slag site But the toxic elements may be made public from slag due to the organic acid secreted by plant roots, which will pollute the surrounding environment and harm human health The purpose of the study was to evaluate the harm of toxic substances released from zinc (Zn) smelting waste slag to Effects of Zinc Smelting Waste Slag Treated with Root Organic Acids 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 2022年4月30日 Contamination by heavy metals is a significant issue worldwide In recent decades, soil heavy metals pollutants in China had adverse impacts on soil quality and threatened food security and human health Anthropogenic Research Progress on Heavy Metals Pollution in the

Combined SAF Smelting and Hydrometallurgical Treatment of
Combined SAF Smelting and Hydrometallurgical Treatment of Bauxite Residue for Enhanced Valuable Metal Recovery Bengi Yagmurlu1, Gözde Alkan2, Buhle Xakalashe2, Bernd Friedrich3, Srecko Stopic4 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 development and General Situation of Iron and Steel Smelting and Solid Waste Treatment DOI: 101016/JJCLEPRO201612108 Corpus ID: ; Clean strengthening reduction of lead and zinc from smelting waste slag by iron oxide @article{Li2017CleanSR, title={Clean strengthening reduction of lead and zinc from smelting waste slag by iron oxide}, author={Yanchun Li and Zhilou Liu and Hui Liu and Bing Peng}, journal={Journal of Cleaner Production}, Clean strengthening reduction of lead and zinc from smelting waste With the rapid development of China’s industrial sector, solid waste emissions have exploded along with the mismatch between treatment efficiency and economic development becoming increasingly prominent The Yangtze River Economic Belt (YREB) is one of the most important core areas for the country to participate in economic globalization Its expansive area and The investment and treatment efficiencies of industrial solid waste

(PDF) Materials and Energy Balance of EWaste Smelting—An
2021年11月11日 The main results are as follows: (1) the optimized processing parameters in the NRT smelting practice were the Ewaste feeding rate of 595 t/h, oxidation smelting duration of 35 h, reduction 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 management2020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 time(PDF) Environmental Hazards of Limestone Mining and2024年4月20日 The Inner Mongolia copper smelting enterprise mainly adopted twostep sulfuration treatment to achieve the Cu(Ⅱ) and As(Ⅲ) removal from the copper smelting waste acid (Fig S1(a)) According to the waste acid analysis results of Cu(Ⅱ)/As(Ⅲ) concentrations in 2022, there was a significant difference in the concentration of Cu(Ⅱ) and As(Ⅲ) ( Figs S1(b) Efficient recovery of copper resources from copper smelting waste

Environmental impact of typical zinc smelting that implements
2022年10月10日 In the solid waste synergism mode (Fig 1), which is based on the traditional smelting mode process, a new “volatilization kilnmultichamber furnace” process is added to address the large amount of tail residue generated in the silver flotation section and recover valuable components, such as Zn, Pb, and InAt the same time, solid waste that has not been 2018年6月28日 smelting waste acid (CSWA) because of its strong acidity4 Owing to its high toxicity and tendency to accumulate in organisms, CSWA significantly threatens the safety of ecosystem and human health5 Therefore, the treatment and recovery of CSWA is a significant issue for the Cusmelting industry, which has to comply with the increasinglyA Novel Process for the Treatment of CopperSmelting Waste 2020年8月26日 The smelting technology and flue dust treatment have an influence on the physical and chemical characteristics of flue dusts collected in copper smelting We characterized flue dusts from a BottomBlowing Bath Smelting (BBS) process and from a Flash Smelting (FS) process by determining their comprehensive physical, chemical, and mineralogical Characterization of Copper Smelting Flue Dusts from a Bottom 2010年9月15日 The results showed that over 90% of arsenic in smelting residue was removed by volatilization and recovered as As 2 O 3 while copper content increased to 42 wt% In the twostage leaching process, first up to 90% of arsenic was selectively dissolved in 025 mol/L H 2 SO 4 solution and second, the solids were further leached in 10 mol/L H 2 SO 4 solution giving Treatment of smelting residue for arsenic removal and recovery

Utilization of Acidic Residue from Lead and Zinc Production Processes
2019年5月23日 Table 41 shows that solid wastes such as reducing slag, primary smelting and refining dross, and precious metal slag are mainly generated in lead smelting via thermal smelting–electrolysis refining technology A large quantity of zinc leaching residue is generated in zinc hydrometallurgical processes This type of solid waste is the main slag in zinc smelting 2017年1月1日 Recovery of copper and cobalt from smelter slag using reductivesulfurizing smelting method was performed in this study The effects of reductive agent (coke), sulfurizing agent (pyrite), slag (PDF) Reductivesulfurizing smelting treatment of smelter slag 2017年12月28日 Arsenic is a highly toxic element Its toxicity to human health includes cancer of the skin, brain, lung, kidney, and stomach (Smith et al 1992; Wang et al 2011; Wu et al 2016)China owns 70% of the world’s arsenic resources and is also the largest producer of arsenic with more than 40,000 tons of annual emissions (Xiao et al 2008; Zhang et al 2014)Cotreatment of flotation waste, neutralization sludge, and 2021年2月26日 A potential industrial wastewaste cotreatment process was proposed and verified for the recovery of the valuable metals Co, Ni, and Cu from copper smelting slag by utilizing high temperature SO2 A potential industrial waste–waste cotreatment process of

Solidification/stabilization treatment of gold mining waste residue
2013年12月1日 The acid producing potential, the gross amount of heavy metals As, Cd, Pb, Zn and their leaching concentrations of Au smelting wastes from gold mining area were tested by acid neutralizing Currently, there is a limited amount of research on the smelting slag in general Zhang S et al has successfully developed highporosity ceramics and glass ceramics using smelting slag from the waste automobile catalyst [31]In addition, the Chinese invention patent also mentioned a method for recovering rare metals lanthanum, cerium, and zirconium from smelting prehensive recycling of slag from the smelting of spent