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
Comprehensive treatment method for limestone crusher smelting waste
CNB Comprehensive recycling treatment method for
The invention relates to the technical field of waste residue recovery, in particular to a comprehensive recycling treatment method for smelting waste residues The existing methodA treatment method and waste slag technology, applied in chemical instruments and methods, grain treatment, cleaning methods and appliances, etc, can solve the problems of smelting Comprehensive recycling treatment method for smelting waste slag2024年6月1日 Solidification/stabilization with Portland cement was studied as a treatment technique, with results showing decreased mechanical characteristics as the percentage of From waste to resource recycled lime sludge: Sustainable low 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 Utilization and detoxification of gypsum sludge by replacing
Comprehensive review of industrial wastewater treatment
It is essential to understand these characteristics to select available treatment techniques for implementation in wastewater treatment facilities to promote sustainable water usage This In addition, the treatment methods of gypsum sludge include solidification/stabilization disposal, recovery of valuable metals, and slagging as smelting flux Solidification and landfill treatment Utilization and detoxification of gypsum sludge by replacing 2004年10月1日 Design criteria were developed for the construction of a fullscale limestone neutralization plant to treat leachate from the waste rock of a nickel mine, using data from laboratory studies,Design Criteria for Limestone Neutralization at a Nickel 2023年11月10日 So, a new integrated industrial wastewater treatment system has been developed that includes the immediate onestep lime precipitation process (IOSLM) and atmospheric carbonation (AC), followed by constructed Integrated Process of Immediate OneStep Lime
Highpurity recycling of hematite and Zn/Cu mixture from waste
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 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 great interest because it avoids the loss of valuable metals and the threat of harmful metals, and saves a lot of natural resources and energy This paper firstly reviews the main methods for Review on Comprehensive Recovery Valuable Metals and 2023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 ScienceDirect2018年6月20日 Copper slag is a waste generated from pyrometallurgical production of copper (Potysz et al, 2015)Typically, copper smelting slag contains about 1 wt% Cu and 40 wt% Fe with a great deal of silica (SiO 2) and minor amounts of other elements (Ni, Pb, Zn, As) (Gbor et al, 2000)It is estimated that for every ton of copper metal produced, approximately 2–3 tons Innovative methodology for comprehensive and harmless
Comprehensive Utilization of Resources SpringerLink
2021年11月3日 Comprehensive recovery of valuable metals from nickel smelting waste (5) MineWater Treatment Methods and Comprehensive Utilization or the limestone crusher's discharge pit Besides, it should be no longer recycled Onsite evaluation or supporting materials:2020年11月16日 The rapid generation of the waste catalyst has bec Metals smeltingcollection method for recycling of platinum group metals from waste catalysts: A Vapour treatment method against other pyroand hydrometallurgical processes applied to recover platinum from used auto catalytic converters Acta Metallurgica Sinica (English Metals smeltingcollection method for recycling of platinum The invention discloses a comprehensive treatment method of waste water from lateritenickel ore wet smelting, which comprises the following steps: adjusting magnesiumcontaining waste water to be neutral so as to return the waste water to the orewashing or leaching procedure for a process purpose, increasing the magnesium concentration of the waste water to above 50 g/L, CNB Comprehensive treatment method of waste 2020年9月15日 Mercury species constitute a threat to wildlife (Natasha et al, 2020; Yang et al, 2019) and have been associated with neuropathological patterns (Fields et al, 2017; O'Donoghue et al, 2020), autoimmune diseases (Bjorklund et al, 2020) and reduced fertility (Henriques et al, 2019) in humansThe exposure may take place via inhalation, ingestion and dermal absorption Mercurybearing wastes: Sources, policies and treatment technologies
Utilization and detoxification of gypsum sludge by replacing limestone
capacity increase, waste of valuable metals, and occupation of land resources The low content of valuable metals in gypsum sludge and the high cost of recovery make it difficult to realize industrialization [12−14]; metal lead smelting often needs to add limestone flux for the smelting2024年4月1日 Fig 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings Due to the characteristics of iron ores and the conditions during beneficiation, it is inevitable that approximately 25–3 tons of IOTs are generated for every 1 ton of iron ore concentrate produced [7]A critical review on metallurgical recovery of iron from iron ore 2020年6月3日 Smelting slag is a typical hazardous waste generated in the smelting and metallurgy industry 1,2Slag contains high concentrations of heavy metals, such as Cu, Zn, Cr and Ni, which are harmful if Highpurity recycling of hematite and Zn/Cu mixture from waste smelting 2024年4月1日 With the development of industrialization and urbanization, the issue of global warming poses a significant challenge to the human habitat (Lei et al, 2023; Wu et al, 2023)Therefore, China's 14th FiveYear Plan proposed an environmental protection strategy of “carbon reduction and carbon neutrality” and the goal of “synergizing the reduction of pollution Research on waste gas treatment technology and comprehensive
Review on Comprehensive Recovery Valuable Metals and
Finally, the scientic treatment method of copper slag in future is prospected that green, economic, and environmentally friendly sustainable disposal process is the main theme Graphical Abstract Keywords Resource comprehensive utilization Metallurgical slags Solid waste goods Functional materials Cleaner production Introduction2023年6月15日 The technical operating conditions are: pH 8–10, normal temperature Oxygen is provided in the form of air, in which the source of SO 2 can be liquid SO 2 or sodium sulfite, or baking furnace gas can be used The process features: all cyanide is preferentially oxidized and decomposed, the cyanide is completely removed, and the reagent cost is lowResearch Status of Treatment of Cyanide Containing Wastewater 2018年3月1日 Innovative methodology for comprehensive and harmless utilization of waste copper slag: Preparing crude FeNiCu alloy for wreathing steel by selective coreduction with nickel laterite oreInnovative methodology for comprehensive and harmless 2022年11月1日 China has the largest output of steel and iron in the world (Zhang et al, 2022)In 2021, China's average annual pig iron output arrived at about 869 million ton (Stewart et al, 2021) and crude steel arrived at about 103 billion tons (Zhao et al, 2022)Meanwhile, the output of steel solid waste keeps at a high level and generally the production of one ton steel will generate Life cycle assessment of melting reduction treatment for iron and
Solid Wastes in Base Metal Mining, Smelting and Refining
2019年5月29日 The study focusses on six key areas: quantifying mining, smelting and refinery waste, risk assessment, lessons learned and experience gained by the industry, the economics of mine waste management, regulation and policy for base metals mineral waste management, and technology and innovation for solid waste management2017年1月15日 With a view to overcome disadvantages of traditional sulfurizing agent FeS 2, a new method involving slag cleaning technique and gypsum waste treatment technique, named reductivesulfurizing smelting process, was considered to treat smelter slags using gypsum waste to sulfurize and simultaneously recover valuable metals instead of FeS 2 and CaCO 3Cotreatment of waste smelting slags and gypsum wastes via DOI: 101016/jresconrec2022 Corpus ID: ; Cotreatment of copper smelting slag and gypsum residue for valuable metals and sulfur recovery @article{Xia2022CotreatmentOC, title={Cotreatment of copper smelting slag and gypsum residue for valuable metals and sulfur recovery}, author={Longgong Xia and Shuheng Cao and Qihou Cotreatment of copper smelting slag and gypsum residue for 2022年3月15日 On the whole, organic acid leaching is an environmentally friendly method to recycle waste batteries, which does not produce harmful gases and nonbiodegradable waste liquid Taking into account the cost of raw materials and the recovery effect, it is found that organic acid leaching has certain advantages and is expected to bring higher environmental A comprehensive review on the recycling of spent lithiumion
Metals smeltingcollection method for recycling of platinum
2020年11月16日 Metals smeltingcollection method for recycling of platinum group metals from waste catalysts: A mini review November 2020 Waste Management Research 39(1):X年2月18日 Explore the environmental hazards of limestone mining and learn about adaptive practices for effective environment management(PDF) Environmental Hazards of Limestone Mining 2023年4月1日 According to an estimate of 2–3 tons of solid waste per ton of refined copper produced (Li et al, 2021; Zhang et al, 2022 b), China produced more than 10 million tons of refined copper in 2020 (National Bureau of Statistics, 2021), which would generate more than 20 million tons of solid wastePresently, more than 90% of China's primary copper production Life cycle assessment of valuable metal extraction from copper 2023年12月15日 White mud (WM) is a solid waste that is generated when an Na 2 CO 3 solution reacts with CaO to regenerate NaOH during the caustic reaction in the alkali recovery process of paper (ie, pulp) mills Approximately 2 tons of dry WM is obtained for each ton of NaOH regenerated by the pulp mill (Cheng et al, 2009a)The main component of waste WM is A new disposal method for white mud: Replacing limestone in
Digital twindriven smelting process management method for
2024年4月26日 After conducting experiments, a digital twindriven smelting process management system was developed to manage the entire smelting process The system has proven to be effective as it increased the monthly production capacity by 777% The waste of smelting materials has also been greatly reduced from 34% without the system to 78% with 2022年10月1日 Capture and conversion of hydrogen sulfide (H 2 S) has been one of the longstanding economic and environmental challenges of the past century H 2 S is a highly irritating, odorous, and toxic chemical found as an impurity in many important fuel gases, such as natural gas, biogas, syngas, coke oven gas, landfill gas, refinery gas, etc, and wastewater Hydrogen sulfide capture and removal technologies: A comprehensive 2019年4月17日 Treatment of spent potlining (SPL) from aluminium smelting cells by a twostage leaching scheme comprising a water wash and an Al3+ leach and fluoride recovery as an aluminium hydroxyfluoride Sustainable wastetreatment procedure for the spent potlining 2022年8月1日 This study proposed a green method to clean the copper slag and simultaneously recover copper resources via reductionsulfurizing smelting and supergravity separation at a low temperature, providing scientific guidance and application prospects for the synergistic treatment of hot copper slag with waste coke and gypsumCotreatment of copper smelting slag and gypsum residue for
Comprehensive Recycling Technology of Waste Residues in Zinc
2022年5月30日 In this work, for realizing waste recycling effectively, selective and multistep leaching of valuable metals was investigated with scrap coppersmelting sludge as research object2018年6月28日 Many methods are used to treat the waste acid obtained from the smelting processes of nonferrous metals These include chemical precipitation,6 ionexchange,7 adsorption,8 membrane filtration,9 and electrochemistry processes10 Compared with other methods, chemical precipitation is the most widely used method in industrial applications, A Novel Process for the Treatment of CopperSmelting Waste 2016年10月14日 Request PDF Cotreatment of waste smelting slags and gypsum wastes via reductivesulfurizing smelting for valuable metals recovery In this work, a new innovative slag cleaning technique was Cotreatment of waste smelting slags and gypsum wastes via 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 great interest because it avoids the loss of valuable metals and the threat of harmful metals, and saves a lot of natural resources and energy This paper firstly reviews the main methods for Review on Comprehensive Recovery Valuable Metals and
Comprehensive utilization of steel slag: A review ScienceDirect
2023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 2018年6月20日 Copper slag is a waste generated from pyrometallurgical production of copper (Potysz et al, 2015)Typically, copper smelting slag contains about 1 wt% Cu and 40 wt% Fe with a great deal of silica (SiO 2) and minor amounts of other elements (Ni, Pb, Zn, As) (Gbor et al, 2000)It is estimated that for every ton of copper metal produced, approximately 2–3 tons Innovative methodology for comprehensive and harmless 2021年11月3日 Comprehensive recovery of valuable metals from nickel smelting waste (5) MineWater Treatment Methods and Comprehensive Utilization or the limestone crusher's discharge pit Besides, it should be no longer recycled Onsite evaluation or supporting materials:Comprehensive Utilization of Resources SpringerLink2020年11月16日 The rapid generation of the waste catalyst has bec Metals smeltingcollection method for recycling of platinum group metals from waste catalysts: A Vapour treatment method against other pyroand hydrometallurgical processes applied to recover platinum from used auto catalytic converters Acta Metallurgica Sinica (English Metals smeltingcollection method for recycling of platinum
CNB Comprehensive treatment method of waste
The invention discloses a comprehensive treatment method of waste water from lateritenickel ore wet smelting, which comprises the following steps: adjusting magnesiumcontaining waste water to be neutral so as to return the waste water to the orewashing or leaching procedure for a process purpose, increasing the magnesium concentration of the waste water to above 50 g/L, 2020年9月15日 Mercury species constitute a threat to wildlife (Natasha et al, 2020; Yang et al, 2019) and have been associated with neuropathological patterns (Fields et al, 2017; O'Donoghue et al, 2020), autoimmune diseases (Bjorklund et al, 2020) and reduced fertility (Henriques et al, 2019) in humansThe exposure may take place via inhalation, ingestion and dermal absorption Mercurybearing wastes: Sources, policies and treatment technologies capacity increase, waste of valuable metals, and occupation of land resources The low content of valuable metals in gypsum sludge and the high cost of recovery make it difficult to realize industrialization [12−14]; metal lead smelting often needs to add limestone flux for the smeltingUtilization and detoxification of gypsum sludge by replacing limestone 2024年4月1日 Fig 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings Due to the characteristics of iron ores and the conditions during beneficiation, it is inevitable that approximately 25–3 tons of IOTs are generated for every 1 ton of iron ore concentrate produced [7]A critical review on metallurgical recovery of iron from iron ore
Highpurity recycling of hematite and Zn/Cu mixture from waste smelting
2020年6月3日 Smelting slag is a typical hazardous waste generated in the smelting and metallurgy industry 1,2Slag contains high concentrations of heavy metals, such as Cu, Zn, Cr and Ni, which are harmful if