Surface Mining Waste Dumping

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Geotechnical profiling of a surface mine waste dump using

网页The geometry of the mine waste dump was found to have a height of 150 m, layer tilt of 14°, and thickness of 50 m and contains sand-to-boulder size or 50 cm to 100 m materials found at the toe of the slope with a little of sandy materials at the top. Figure 3. Regional

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A landfill based approach to surface mine design SpringerLink

网页2018年5月5日  Abstract. Surface mining operations extract a large quantity of waste material, which is generally disposed into a dump area. This waste can cause a series of

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Full article: Methodology for a dump design optimization in large-scale

网页2022年9月10日  1. Introduction. Three major destination groups, characterized by a cut-off grade criteria and ore type, represent the places in the mine where the material receives

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(PDF) Geotechnical profiling of a surface mine waste dump

网页2021年3月17日  Geotechnical profiling of a surface mine waste dump using 2D Wenner–Schlumberger configuration. March 2021; Open Geosciences 13(1):335-344;

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Dump Slope Stability SpringerLink

网页2018年6月29日  In today’s mining industry, surface mining undoubtedly dwarfs the underground mining by a long margin in terms of production and productivity. End

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Adverse effects of coal mine waste dumps on the

网页2013年1月31日  Waste dumps generated from mining that exposes sulfur-bearing overburden can be active sources of acid generation with the potential to severely

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Waste Dumping an overview ScienceDirect Topics

网页Summary. Coal- waste dumping involves important technological and ecological problems. Despite the use of various methods, e.g. waste-rock compaction, mixing or interlayering

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Mathematical Approach for Better Mine Waste Rock Dumping

网页A mine waste rock dump does not have any intrinsic value, yet is an inevitable structure in surface mining operations. Since the purpose of mining is to maximise profit, possible

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Full-scale experimental testing of dump-point safety berms in surface

网页2015年4月21日  Waste rock (muck) piles are used as energy absorption barriers in many surface mining applications, such as berms at dumping points and at the crest of slopes,

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(PDF) Research on suitable waste dumping schemes for surface

网页2009年1月1日  The mine reclamation at surface mines in Vietnam concern mainly with the soil conservation and cultivated land reclamation on the waste dumps, and return the

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(PDF) Maximum height estimation for mine waste dumps

网页2022年11月4日  The study finds that if a dumping surface has a weak floor with a maximumthickness of 10mthe dump can be made as stable as a strong floor scenario by creating an optimally designed rock-filled

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An analysis of self-ignition of mine waste dumps in terms of

网页2021年4月23日  The dumping facility is composed of two sections, namely the “old” one where the waste was disposed for several decades and the “new” one with the waste which came from the final stage of

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Overburden management in open pits: options and limits in

网页2019年3月1日  Overburden handling has important impacts on surface mining projects and has to be carefully planned considering both mining activities and site rehabilitation [1], [2]. To evaluate and compare the efficiency that can be obtained from alternative options of excavation–transportation and dumping waste rock and soil; (4)

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Mining Waste Management and Disposal Methods

网页2020年8月25日  Mining produces a lot of waste which should be disposed of properly. Improper waste disposal leads to soil, water and air pollution. There are various types of mining. They include coal mining, metal, landfill mining, oil and gas extraction and non-metal ore mining. This means there are also different types of mining waste. These include:

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Mine Waste Rock an overview ScienceDirect Topics

网页Coal mine waste rock (CMWR) generated in coal mining activities is one of the most significant sources of industrial solid waste. Nearly 4.5 billion tons of CMWR stockpiled in more than 1700 waste dumps occupying 150 km 2 of land worldwide ( Bian et al., 2009; Zhao et al., 2008 ). Moreover, it is expected that more than 315 million tons of CMWR

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Why Trump just killed a rule restricting coal companies from dumping

网页2017年2月2日  On Thursday, President Trump signed the bill, which means the stream protection rule is now dead. Coal companies will have a freer hand in dumping mining debris in streams. Killing this regulation

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Spoil Dump an overview ScienceDirect Topics

网页Physico-chemical properties of the dumped waste are presented in Tables VI.7.3 and VI.7.4.The manganese and coal mine wastes was a coarse material of pH values close to neutral or moderately alkaline; it contained low level of soluble salts indicated by conductivity of the water extract 1:10 in the range of 0.41–1.10 mS/cm. Organic matter content of

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Full-scale experimental testing of dump-point safety berms in surface

网页2015年4月21日  Waste rock (muck) piles are used as energy absorption barriers in many surface mining applications, such as berms at dumping points and at the crest of slopes, and in windrows as traffic separators or edge barriers on haul roads. The height of safety berms and windrows is currently designed using rules of thumb, such as height equal to half the

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Sample Rocks Tests and Slope Stability Analysis of a Mine Waste Dump

网页The safety and stability of waste dump are vital influencing factors to the mine sustainability and mine employees. Based on a real mine project in a certain open-pit mine waste dump in Tibet, the in situ test on waste rocks from waste dump, including measurements of density, water content, rock size, and natural repose angle, was conducted. Afterwards, these

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A landfill based approach to surface mine design SpringerLink

网页2018年5月5日  Abstract. Surface mining operations extract a large quantity of waste material, which is generally disposed into a dump area. This waste can cause a series of environmental problems ranging from landscape deterioration to acidic water generation and water pollution. Therefore, mine waste management is a significant task in mining

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Heavy metal contamination of soil and water in the vicinity

网页2015年2月15日  The study area was located in an abandoned e-waste recycling site in Longtang (23°33′03″N, 113°04′31″E), which has a subtropical monsoon climate with average annual temperature of 22 °C and precipitation of 2,215 mm. Field collection for soil and water samples was conducted in June 2013.To evaluate the ecological risk of heavy

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Types of Mine Waste and Disposal Methods

网页1 天前  Acid mine drainage is a heavy contributor to pollution of surface water across the globe. AMD is primarily caused when water flows over the sulfide-heavy material, forming an acidic solution. The main

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Tipping and dumping audit guide Department of

网页2 天之前  Tipping and dumping audit guide Page 7 of 12 2.4 There is restricted access to the toe of the tipping areas of waste / heap leach dumps. Intent: To ensure that the hazards of material rilling from slopes are managed. Access is required for the inspection of the tipping face, and in an emergency,

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Review of mine waste capping methodologies for use in

网页The stone reviews conventional surface mine waste management practices and the development of capping methodologies over potentially contaminating mine wastes using soil covers. The stone then focuses on the In addition, the conventional end-dumping of waste rock in a surface dump produces ‘oxidation reactors’, as

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Distribution of heavy metals in soils from abandoned dump

网页2020年11月1日  On average, the total concentration of metals obtained from this study was high when compared to international soil quality guidelines. For soils from Kronum dump site, the average concentrations of As, Hg, Ni, and Pb were lower than the Dutch and Canadian limits. The average concentrations of Cr (66 mg/kg) in Kronum dump site soils

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Factors affecting stability of waste dumps in mines

网页2007年4月27日  ABSTRACT. With the increasing adoption of surface mining/open pit, problems of associated waste dump, instability of which affects resource recovery, mining cost, safety and environmental hazards, has become the matter of prime concern to planners and operators.

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Innovation in the Mining Industry: Technological Trends and

网页2020年7月23日  Innovation plays a critical role in the mining industry as a tool to improve the efficiency of its processes, to reduce costs, but also to meet the increasing social and environmental concerns among communities and authorities. Technological progress has also been crucial to allow the exploitation of new deposits in more complex scenarios:

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Selecting Suitable Sites for Mine Waste Dumps Using

网页9 GMJVol. 17, No. 1, June, 2017 Selecting Suitable Sites for Mine Waste Dumps Using GIS Techniques at Goldfields, Damang Mine* 1H. A. Suleman and2P. E. Baffoe 1Goldfields Ghana Limited, Tarkwa, Ghana 2University of Mines and Technology, P.O. Box 237, Tarkwa, Ghana Suleman, H. A. and Baffoe, P. E. (2017), “Selecting Sites for Mine Waste

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Trump signs bill undoing Obama coal mining rule The Hill

网页2017年2月17日  by Devin Henry 02/16/17 3:54 PM ET. Getty. President Trump on Thursday signed legislation ending a key Obama administration coal mining rule. The bill quashes the Office of Surface Mining’s

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A review on the impact of mining operation: Monitoring,

网页2020年12月1日  Mining is very vital to the production of goods, services and infrastructure; it advances the quality of lives in the society. However, the possible hazard of waste and radioactivity generated by mining, dumping and tailing, has called on the society to find ways of seeking remedy that will adequately treat mining waste from mine dump, tailing and

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