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
Yidu Xingfa Chemical tailings pond
Spatial distribution characteristics, risk assessment and
2024年2月20日 This study obtained the latest list of tailings ponds in China up to the end of 2022 based on official information and assessed their spatial distribution characteristics, 2020年9月1日 Based on statistics and geographic information system (GIS) method, the present study investigated 5189 of tailings ponds (TPs) in order to understand the present situation of Statistical analysis of tailings ponds in China ScienceDirect2024年6月10日 Environmental impact of 143 tailings storage facility (TSF) failures in China has been analyzed Approximately 75 % of the TSF failures discharged tailings into aquatic Environmental pollution and human health risk due to tailings 2024年2月14日 Ecological engineering of tailings has been advocated to change tailings’ mineralogy, improve physicochemical properties, and accelerate soil formation (ie pedogenic Ecological rehabilitation of mine tailings Plant and Soil
Tailings storage facilities, failures and disaster risk Nature
2024年8月6日 In this Review, we provide an interdisciplinary approach to understanding the causes, effects and response to TSF failures, applying a disaster risk reduction framework 2021年6月1日 Cyanide and potentially toxic elements in tailings from gold mining can cause serious pollution, and harm the surrounding environment through rainfall seepage and leakage Spatial distribution and risk assessment of pollutants in a tailings 2022年12月31日 In this paper, we explore the process of tailings dam failure and the evolution of discharged tailings under flooding conditions in a valleytype tailings pond in China, using a Study on the Evolution of a Flooded Tailings Pond and Its Post2022年10月31日 In this paper, the spatial vertical distribution of cyanide and four heavy metals, including Cu, Pb, Zn and Mn, in the Jiapigou cyanide tailings pond, Jilin, China, were studied Vertical Distribution of Cyanide and Heavy Metals in a Tailings
Study on Environmental Risk Assessment and Control IOPscience
2020年10月1日 The safety and environmental accidents of the tailings pond are likely to cause pollution of surrounding soil and water bodies, and endanger the safety of life and production 2023年9月22日 In this study, an innovative WebGISbased unmanned aerial vehicle oblique photography (UAVOP) method was developed to analyze the storage capacity change and Analysis of Storage Capacity Change and Dam Failure Risk for 2024年1月16日 Flat Ground Tailings Pond This is a tailings pond built on flat ground and surrounded by dams on all four sides (Fig 3)Its characteristics: there is no runoff concentration on mountain slope, water collecting area is small, flood discharge structure is quite simple, the tailings dam is very long, embankment requires large work quantities, and embankment height Tailings Pond SpringerLink2024年2月20日 The tailings ponds (TPS) are mine facilities that store solid waste such as tailings (Kossoff et al, 2014; Tang et al, 2020)TPS has the characteristics of high potential energy and pollution, which make it one of the most important public hazards (Wang et al, 2022b; Xie et al, 2009)Since 1915, 257 tailings pond accidents have occurred with 2650 deaths and Spatial distribution characteristics, risk assessment and
Yidu Xingfa Chemical awards DuPont contract for sulfuric acid
2017年5月18日 WILMINGTON, Del — Yidu Xingfa Chemical Co Ltd has awarded DuPont Clean Technologies contracts for the engineering and technology license for a 3,600 Mtpd MECS MAX3 sulfuric acid plant This project will make the Xingfa sulfuric acid plant one Hubei Xingfa Chemicals Group Co, Ltd (hereinafter referred to as “XINGFA”) is a public company whose main businesses are developing, producing and marketing a series of phosphoric products and fine chemicals Established in 1994, XINGFA is located in Xingshan County, Hubei Province, where is known as the birthplace of the famous Han Ming Hubei Xingfa Group2021年2月17日 Geomembranes are used worldwide as basin liners in tailings ponds to decrease the permeability of the foundation and prevent further transportation of harmful contaminants and contaminated waterUsing Geomembrane Liners to Reduce Seepage through the Base of Tailings 2023年9月9日 The (ultra)mafic mine tailings pond revealed a weathering discrepancy in the tailings profile, which provided a valuable analog to assess the role of carbonate and silicate weathering of the basalt In this study, drillcores samples were selected from the Wanniangou V–Ti–Fe mine tailings pond (Sichuan province, China) to investigate the mineralogicand Chemical weathering profile in the V–Ti–Fe mine tailings pond: a
Hubei Xingfa Chemicals Group Sulphuric Acid
Yidu Xingfa Chemical Co, Ltd Is the whollyowned subsidiary of XINGFA, established 2009 Yidu Xingfa Ecoindustrial park is the 2 nd largescale phosphorus chemicals industry integrated manufacturing base: Website: xingfagroup: Plant Coordinates* 30° 16' 27" N 111° 30' 59" E: Type of Plant:2022年7月25日 Growing and intensified mining activities in China have produced substantial quantities of carbonatebearing tailings wastes Rapid chemical weathering of these wastes, accompanied by active CO2 fluxes (CO2 absorption and degassing), have the potential to positively or negatively influence the emissions arising from the mining sector However, few CO2 fluxes in the chemical weathering of carbonatehosted tailings Oil sands tailings ponds Oil sands tailings ponds are engineered dam and dyke systems used to capture oil sand tailingsOil sand tailings contain a mixture of salts, suspended solids and other dissolvable chemical compounds such as acids, benzene, hydrocarbons [1] residual bitumen, fine silts and water [2] Large volumes of tailings are a byproduct of bitumen extraction from the oil Oil sands tailings ponds (Canada) Wikipedia2017年5月24日 Yidu Xingfa Chemical Co Ltd has awarded DuPont Clean Technologies contracts for the engineering and technology license for this sulphuric acid plant Xingfa is expanding its existing site, located in the Hubei province near Yichang city, with the aim of roughly doubling the phosphate fertilizer capacityYidu Xingfa Chemical awards DuPont contract for a 3,600 t/d
Process effluents and mine tailings: sources, effects and management
2016年12月19日 To prevent the discharge of processaffected water of tailings pond to surface water directly, tailings ponds were first introduced to store the residue before discharge or reuse Generally, mine tailings are disposed by different methods such as drystacking of thickened tailings on land, backfilling into abandoned openpit mines or underground mines, and direct 2017年11月16日 W hat to do with tailings ponds from oil sands mining operations has long been the industry’s leading environmental challenge These vast ponds have grown to 220 square kilometres and now hold about 12 Settling the tailings pond question Canadian WILMINGTON, Del — Yidu Xingfa Chemical Co Ltd has awarded DuPont Clean Technologies contracts for the engineering and technology license for a 3,600 Mtpd MECS MAX3 sulfuric acid plant This project will make the Xingfa sulfuric acid plant one of the largest in ChinaYidu Xingfa Chemical awards DuPont contract for sulfuric acid As the tailings slurry is deposited in the impoundment, the water separates from the heavier sand and silt particles and collects to form a decant/reclaim pond on the surface of the impoundment newmontgoldcorpVersion 5 June 2019 The tailings pond water is then recycled back into the milling process for reuse The tailings are contained Tailings Fact Sheet
Tailing Ponds: What are they how can we improve them?
2021年11月18日 Challenges Impacts Tailings can be dangerous sources of harsh chemicals such as heavy metals, sulfides, and radioactive media In the case of tailing dams, ponds are also vulnerable to major breaches or leaks from the dams, causing environmental disasters2017年5月17日 WILMINGTON, Del (PRWEB) May 17, 2017 Yidu Xingfa Chemical Co Ltd (Xingfa) has awarded DuPont Clean Technologies contracts for the engineering and technology license for a 3,600 MTPD MECS® MAX3™ sulfuric acid plant This project will make the Xingfa sulfuric acid plant one of the largest in ChinaYidu Xingfa Chemical Awards DuPont Contract for a 3,600 MTPD Yidu Xingfa Ecoindustrial Park is the 2rd largescale Phosphorus Chemicals Industry integrated manufacturing base (the 1st being Yichang Xiaoting Fine Chemicals Park) The park is comprised of 3,000 acres of total planning area, and follows the guidelines implemented in the “Steppingout Three Gorges Resevoir Area” projectXINGFA2014年8月5日 Tailings ponds must be designed to minimize interactions between tailings and the local environment to prevent acid generation, metal leaching, and contamination of surface water and groundwater Tailings ponds for mining and oilsands waste: FAQs
50 Years of Sprawling Tailings Environmental Defence
They are stored as large reservoirs of fluids using dams and builtup walls, which industry calls “ponds” Oil sands tailings are acutely toxic Despite what the term tailings “ponds” might suggest, there are over 14 trillion litres of tailings perched in “ponds” on the shores of the Athabasca River near Fort McMurray, Alberta2015年3月1日 Emissions from oil sands tailings ponds: Review of tailings pond parameters and emission estimates Author links open overlay panel Christina C Small a, Sunny Cho b, CO 2 emissions may be related to bitumen extraction and processing, chemical composition of the tailings waste (Chalaturnyk et al, 2002) Emissions from oil sands tailings ponds: Review of tailings pond May 17, 2017 Yidu Xingfa Chemical Co Ltd (Xingfa) has awarded DuPont Clean Technologies contracts for the engineering and technology license for a 3600 tpd MECS® MAX3™ sulfuric acid plant This project will make the Xingfa sulfuric acid plant one of the largest in ChinaYidu Xingfa Chemical Sulphuric Acid湖北兴发化工集团股份有限公司成立于1994年，座落于汉明妃王昭君故里湖北省宜昌市兴山县境内，是一家以磷化工系列产品和精细化工产品的开发、生产和销售为主业的上市公司。兴发股份首页
Geochemical and mineralogical characterization of tailings of
2017年6月1日 There are more than 12,000 tailings ponds, and the cumulative stock of tailings has exceeded 15 billion tons in China [1] A large number of tailings would not only occupy the land, but also 2023年9月9日 The chemical weathering of tailings resulted in an abnormal As concentration in water (eg, transport pipe wastewater 765 μg L− 1, the outlet of tailings pond 284 μg L− 1), and it Chemical weathering profile in the V–Ti–Fe mine tailings pond: a 2023年3月20日 When it comes to the catastrophic failure of tailings ponds, the operational word is ‘catastrophic’ Events like Brumadinho in Brazil and Jagersfontein in South Africa destroy and pollute on a large scale While major miners have stepped up their tailings tactics in recent years, local practices can undercut solid designSolutions to Significantly Reduce Tailings Waste and Risks2014年8月7日 The viscous, oilrich sands are processed using a variety of toxic chemicals and the leftovers are put in tailings ponds, which currently take up about 70 square miles in AlbertaTailings Ponds Are the Biggest Environmental Disaster You’ve
(PDF) TAILINGS POND ELIMINATION TECHNOLOGY
2014年9月1日 Tailings pond is a main sources of mine hazards, The combination of chemical and mechanical approaches is an effective way to eliminate scum and froth from the thickener surfaceTailings Ponds Treatment Tailings ponds are used for temporary storage of waste materials left behind by the industrial mining process These are filled with elements that are a hazardous byproduct and if not treated properly, can be toxic to the environment The mixture in tailings ponds consists of waste created by the extraction process and Tailings Pond Mine Pit Water Treatment Evoqua2024年8月6日 Mining generates 13 billion tonnes per year of potentially toxic wet slurry waste, called tailings, commonly deposited in tailings storage facilities (TSF) Since 1915, 257 TSF failures have Tailings storage facilities, failures and disaster risk Nature In tailings ponds, liners are generally used to contain the tailings and associated fluids or materials while preventing transference into neighboring soil and water Chemicals and Temperature Chemical and temperature effects on Tailings Pond Design
(PDF) Numerical Simulation on the Evolution of
2022年6月23日 PDF Because of the continuous exploitation of metal minerals and the limited availability of land resources, many tailings ponds have been expanded Yidu Xingfa Chemical Co, Ltd completed the test run of the newly invested projects on the 10,000 tons/yearProduction of wet methods refined phosphoric acid, the 2 millionBeneficiation of phosphate mine, the 06 million tons /year Production of ammonium phosphateHubei Xingfa Group2023年3月10日 To explore the mineralogy and heavy metals (HMs) pollution changes of sulfide tailings under different weathering degrees, and systematically reveal the possible environmental effects in the oxidation process, the shallow profile of typical sulfide tailings in Tongling City, Anhui Province is selected as the research object, which provides a theoretical basis for controlling ERTassisted assessment of geochemical characteristics of tailings Yidu Xingfa Chemical Co, Ltd completed the test run of the newly invested projects on the 10,000 tons/yearProduction of wet methods refined phosphoric acid, the 2 millionBeneficiation of phosphate mine, the 06 million tons /year Production of ammonium phosphateHubei Xingfa Group
Emissions from Oil Sands Tailings Ponds: Review of Tailings Pond
2014年12月1日 The chemical composition of the tailings ponds determined by mineralogy of the oil sands, extraction techniques and additives used, and age of the ponds influences the microbial communities 2023年9月1日 However, the process of reclaiming tailings ponds for agricultural purposes also presents a myriad of practical obstacles and challenges, including addressing the issue of heavy metal elements and other contaminants present in the soil of the tailings ponds, which may pose serious risks to both the environment (Tang et al, 2020) as well as food security (Yu and Reclaiming abandoned mine tailings ponds for agricultural use 2013年7月11日 Hubei Xingfa Chemicals Group Co Ltd signed the transfer contract and the supplemental agreement to acquire 49% stake in Yidu Xingfa Chemical Co, Ltd from Xingshan County Hydropower Specialty 6aca58fac4e55dTagWyzBhqDAC7CZdAkVNzTwjDcbK49CShHA8OJcK55TpmRsuSPn1q4P7kJDLzffGurIKGsjjFSVKef0YTuDlam04vCaewHUBEI XINGFA CHEMICALS GROUP CO, LTD2022年8月1日 Herein, we present a systematic investigation of the chemical and mineral composition, hydrogeochemistry, and isotopes of four tailings ponds and filtrates in Panxi valley, Sichuan province, ChinaCO2 fluxes in the chemical weathering of carbonatehosted tailings
Methanotrophic bacteria in oilsands tailings ponds of northern
2012年12月20日 We investigated methanotrophic bacteria in slightly alkaline surface water (pH 74–87) of oilsands tailings ponds in Fort McMurray, Canada These large lakes (up to 10 km2) contain water, silt