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
Changsha limestone crusher smelting waste residue treatment
Jun JIANG PhD Central South University, Changsha ResearchGate
Bauxite residue is an alkaline waste generated from aluminum smelting and generally treated by landfill, severely challenging the surrounding environmental safety2022年11月1日 This study used the processLCA method to evaluate the melting reduction technology for iron and steel waste residues in a steel plant of Tangshan The results reveal Life cycle assessment of melting reduction treatment for iron and Chromiumrich electroplating sludge (CRES) is a hazardous solid waste with a high content of moisture requiring efficient drying before subsequent treatment In this study, the microwave Mingjun RAO Professor PhD Central South University, Cotreatment of flotation waste, neutralization sludge, and arseniccontaining gypsum sludge from copper smelting: solidification/stabilization of arsenic and heavy metals with minimal cementYuanCheng Li's research works Central South University,
Cotreatment of gypsum sludge and Pb/Zn smelting slag for the
2016年10月1日 Wastewater treatment sludge from a primary leadzinc smelter is characterized as hazardous waste and requires treatment prior to disposal due to its significant arsenic and 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 Cotreatment of waste smelting slags and gypsum wastes via[14]Zhiqian Yu, Longgong Xia*, Zhihong Liu, Fengchun YeCorrosion mechanism of magnesiachrome and aluminachrome refractories in Escrap smeltingCeramics International, 2021, 48 夏隆巩 中南大学教师个人主页2018年8月1日 Currently, most steel plants carry out the preliminary treatment of steel slag, and their slag is processed by standard methods common to the sand and gravel industry, such as Steel slag in China: Treatment, recycling, and management
Resource utilization strategy of Febearing smelting slag in China:
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 A new process for recycling zinc and copper from the smelting slag of waste brass was investigated in this study The zinc and copper present in the smelting slag were dissolved in aYongming CHEN Professor Doctor of Engineering ResearchGate2018年6月28日 A Novel Process for the Treatment of CopperSmelting Waste Acid with a High Arsenic Concentration TIANZU YANG,1 BIN HU,1 WEIFENG LIU,1,2,3 DUCHAO ZHANG,1 and LIN CHEN1 1—School of Metallurgy and Environment, Central South University, Changsha , People’s Republic of China 2—Henan Yuguang Gold and Lead Group Co, Ltd, A Novel Process for the Treatment of CopperSmelting Waste 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 The SPL Waste Management Challenge in Primary
Limestone fines and lime sludge: from byproduct waste to
Limestone fines and lime residue waste (lime sludge) may contain more than 95 wt% calcium carbonate (CaCO3), making them highly desirable for many beneficial uses a large amount of lime sludge is produced in the United States from water treatment plants that use lime softening to reduce the calcium and magnesium hardness of the source water2022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 prehensive Recycling Technology of Waste Residues in Zinc 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 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
Combined SAF Smelting and Hydrometallurgical Treatment of
Bauxite residue , pig iron, reductive smelting, titanium, scandium 1 Introduction During the production of alumina from bauxite via the Bayer process, a byproduct is inevitably produced, namely bauxite residueA wide range of components are contained in bauxite residue, the major components generally include Fe, Al, Ca, Si, Ti and Na [1]In this work, a new innovative slag cleaning technique was presented to economically and environmentally friendly recover valuable metals from cobaltbearing copper smelter slag CaSO4rich gypsum waste was used as sulfurizing agent to efficiently and selectively sulfurize and recover valuable metals lost in the slag at reductive atmosphereCotreatment of waste smelting slags and gypsum wastes via 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 Article "Cotreatment of copper smelting slag and gypsum residue for valuable metals and sulfur recovery" Detailed information of the JGLOBAL is an information service managed by the Japan Science and Technology Agency (hereinafter referred to as "JST") It provides free access to secondary information on researchers, articles, patents, etc, in science and technology, Cotreatment of copper smelting slag and gypsum residue for
Bing Peng's research works Central South University, Changsha
Bing Peng's 89 research works with 2,253 citations and 9,393 reads, including: Recycling of Zinc and Iron from Smelting Waste Containing Zinc Ferrite via Sulfating Roasting Using SO2 2024年10月20日 A strongly alkaline waste byproduct known as bauxite residue is formed during the alumina refining process (Lyu et al, 2021)Typically, the stacked bauxite residue exhibits strong alkalinity (pH range from 100 to 125) (AgatziniLeonardou et al, 2008), high salinity (exchangeable sodium percentage values ranging from 53 % to 91 %)(Jiang et al, 2023a)Bauxite residue (red mud) treatment: Current situation and 2019年9月14日 A cleaner process for lead recovery from leadcontaining hazardous solid waste and zinc leaching residue via reducingmatting smelting Lei Tang a, ChaoBo Tang a, **, Jin Xiao a, b, *, Ping Zeng a, Motang Tang a, Zhian Wang a, Zhenhua Zhang a a School of Metallurgy and Environmental, Central South University, Changsha, Hunan province, , China b Journal of Cleaner Production SciHub2017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
LIMESTONE FINES AND LIME SLUDGE: FROM BYPRODUCT WASTE
2015年8月17日 Limestone fines and lime residue waste (lime sludge) may contain more than 95 wt% calcium carbonate (CaCO3), making them highly desirable for many beneficial usesAs the typical hazardous arsenic pollutants, copper smelting flue dust (CSFD) and arsenic sulfide residue (ASR) are produced extensively during copper smelting process, which pose significant pressure on environmental protection and green development of the copper industry This work proposed an economic, efficient, and applicable approach to treat waste with waste, in which Cotreatment of copper smelting flue dust and arsenic sulfide residue Static release characteristics of heavy metals from leadzinc smelting slag leached by simulated acid rain YANG Andi, XIAO Xiyuan, GUO Zhaohui, PENG Chi, LIU Lingqing School of Metallurgy and Environment, Central South University, Changsha , China模拟酸雨下铅锌冶炼废渣重金属的静态释放特征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 residue
Metals smeltingcollection method for recycling of platinum
2020年11月16日 This paper reviews the PGMs recovery from waste catalysts using a metals smeltingcollection process, which belongs to the main pyrometallurgical process, in the presence of various metal collectors, such as lead, copper, iron, matte, print circuit board (PCB) or reactive metals of calcium and magnesium2016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 Combined SAF Smelting and Hydrometallurgical Treatment of Bauxite Residue for Enhanced Valuable Metal Recovery Bengi Yagmurlu1, Gözde Alkan2, Buhle Xakalashe2, Bernd Friedrich3, Srecko Stopic4 Combined SAF Smelting and Hydrometallurgical Treatment of 2024年11月1日 Mining significantly contributes to income, foreign exchange earnings, and reducing unemployment However, extraction and treatment of ores usually generate huge volumes of waste byproducts (Amos et al, 2015)Most of these byproducts are solids, liquids, or gases that have massive unintended environmental and social consequences on their Harnessing phosphate limestone waste as a costeffective
A cleaner process for lead recovery from leadcontaining
2019年9月1日 A large amount of lead paste, which is produced by waste leadacid batteries, and zinc leaching residue are hazardous wastes that have not been effectively treated around the world2016年10月1日 Wastewater treatment sludge from a primary leadzinc smelter is characterized as hazardous waste and requires treatment prior to disposal due to Center for Control Treatment of Heavy Metal Pollution, Changsha, Hunan a slag based curing agent composed of smelting slag, cement clinker and limestone The Cotreatment of gypsum sludge and Pb/Zn smelting slag for the Ewaste feeding rate of 595 t/h, oxidation smelting duration of 35 h, reduction smelting duration of 05 h, oxygen enrichment of 21–40 vol%, oxygen consumption of 6806 Nm 3 /ton raw material Materials and Energy Balance of EWaste Smelting An2019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 Some
Treatment Residue an overview ScienceDirect Topics
Treatment modes: In the exploration of treatment modes, solid waste treatment is a systematic project that requires cooperation and coordination of multiple parties Among them, the government, enterprises, and scientific research institutions bear different responsibilities, and this process requires coordination and management by the leading party1980年5月19日 K068 Cadmium plant leach residue (from oxide) from primary zinc production K088 Spent potliners from primary aluminum reduction K090 Emission control dust or sludge from ferrochromiumsilicon production K091 Emission control dust or sludge from ferrochromium production (Exhibit 1 summarizes the history of the smelting waste listings)Remanded Smelting Wastes Technical Background Document2021年5月1日 Request PDF Cotreatment of copper smelting flue dust and arsenic sulfide residue by a pyrometallurgical approach for simultaneous removal and recovery of arsenic As the typical hazardous Cotreatment of copper smelting flue dust and arsenic sulfide residue Focusing on all kind of nonferrous metal extracting, metal slag/residue/dross recovery and metal scrap recycling projects, offering special technical service, project consultancy and management With good experience in offering overseas technical support and comprehensive understanding of the general industry development trend worldwide >More than 15 years in the field of non Galis Guo General Manager Metalcess Mining 领英 (中国)
A Novel Process for the Treatment of CopperSmelting Waste
2018年6月28日 A Novel Process for the Treatment of CopperSmelting Waste Acid with a High Arsenic Concentration TIANZU YANG,1 BIN HU,1 WEIFENG LIU,1,2,3 DUCHAO ZHANG,1 and LIN CHEN1 1—School of Metallurgy and Environment, Central South University, Changsha , People’s Republic of China 2—Henan Yuguang Gold and Lead Group Co, Ltd, 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 The SPL Waste Management Challenge in Primary Limestone fines and lime residue waste (lime sludge) may contain more than 95 wt% calcium carbonate (CaCO3), making them highly desirable for many beneficial uses a large amount of lime sludge is produced in the United States from water treatment plants that use lime softening to reduce the calcium and magnesium hardness of the source waterLimestone fines and lime sludge: from byproduct waste to 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 prehensive Recycling Technology of Waste Residues in Zinc
Treatment of smelting residue for arsenic removal and recovery
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 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 Bauxite residue , pig iron, reductive smelting, titanium, scandium 1 Introduction During the production of alumina from bauxite via the Bayer process, a byproduct is inevitably produced, namely bauxite residueA wide range of components are contained in bauxite residue, the major components generally include Fe, Al, Ca, Si, Ti and Na [1]Combined SAF Smelting and Hydrometallurgical Treatment of In this work, a new innovative slag cleaning technique was presented to economically and environmentally friendly recover valuable metals from cobaltbearing copper smelter slag CaSO4rich gypsum waste was used as sulfurizing agent to efficiently and selectively sulfurize and recover valuable metals lost in the slag at reductive atmosphereCotreatment of waste smelting slags and gypsum wastes via
A potential industrial waste–waste cotreatment process of
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 Article "Cotreatment of copper smelting slag and gypsum residue for valuable metals and sulfur recovery" Detailed information of the JGLOBAL is an information service managed by the Japan Science and Technology Agency (hereinafter referred to as "JST") It provides free access to secondary information on researchers, articles, patents, etc, in science and technology, Cotreatment of copper smelting slag and gypsum residue for