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Dewatering | SRK Consulting

Underground and open pit mining below the groundwater table require dewatered conditions to ensure safety and maintain efficient production. Our hydrogeologists, hydrologists, surface and groundwater modellers, geochemists, and environmental scientists have extensive experience in conducting dewatering assessments for underground and surface mine operations.

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Coal mine 'dewatering' of saline wastewater into NSW ...

Coal mine dewatering of saline wastewater Editors names. (2011). Proceedings of the 6th Australian Stream 1 Management Conference. Canberra, Australian Capital Territory, pages XX - XXX. Coal mine 'dewatering' of saline wastewater into NSW streams and rivers: a growing headache for water pollution regulators Ian A. Wright1,2

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New tech to address excessive fines production

The shift to mechanised mining in the coal industry has had the side-effect of an excessive quantity of fines being produced, which often means that the thickeners deployed in minerals-processing ...

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Coarse coal centrifuge - FL

With six different models, including the world's largest capacity Coarse Coal Centrifuge, there's sure to be one to suit your operations: • VM600 – 20 tonnes per hour with a 600mm basket. • VM1100 – 150 tonnes per hour with a 1100mm basket. • VM1300 – 250 tonnes per hour with a 1300mm basket. • VM1400 – 300 tonnes per hour ...

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Reliable Dewatering Needed For Midwestern Surface Mining ...

Reliable mine dewatering is critical for effective and safe surface mining. It creates better working conditions, improved geotechnical stability and greater efficiency for the mining operations. Dewatering was needed at a mining complex in the Midwestern part of the United States. The complex contained 1.3 billion tons of clean, recoverable coal reserves.

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Dewatering of Coal-Clay Waste Slurries From Preparation …

the coal-clay slurry with the PEO rea­ gent" (3) The movement of the floccu­ lated material over the static screens must be in such a manner tG produce rapid r~moval of water with minimum breakdown of flocs. The FTU was operated to deter­ mine the optimum conditions for contin­ uous dewatering of coal-clay waste

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Review on Dewatering Pumping Network for Underground …

Proceedings of the 1st International and 16th National Conference on Machines and Mechanisms (iNaCoMM2013), IIT Roorkee, India, Dec 18-20 2013 Review on Dewatering Pumping Network for Underground Coal Mine Naresh Kumar*, Shibayan Sarkar# *Research Scholar, #Assistant Professor, Dept. of Mechanical Engineering

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Kirloskar Pumps and Valves for Coal & Mining Industry

KBL has been catering to the needs of Coal India for pumps and valves since five decades. KBL has an excellent product range to cater to all kinds of applications in the coal segment be it for mine dewatering, mine water treatment and face slurry water pumping or in coal handling plants and coal dust suppression plants.

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Dewatering | McLanahan

Dewatering most often occurs through processes such as wet classification, centrifugation, filtration or similar liquid-solid separation processes. McLanahan offers a broad range of dewatering equipment that uses these methods to process sands, coal, pulp and paper, concrete and other minerals and materials in the mining industry, as well as ...

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Dewatering Aids Market - Europe and Middle East & Africa ...

The dewatering aids for mining market in Europe and Middle East & Africa was valued at US$ 148.3 Mn in 2020 and is expected to reach US$ 203.4 Mn by 2031, expanding at a CAGR of 3.2% during the ...

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Coal - ANDRITZ

Efficient fine and coarse dewatering. Producers of all sizes depend on our solutions to achieve continuous, efficient operations in dewatering, thickening, and tailings. Examples range from world-leading companies like Exxaro, Anglo Coal, and Jindal, to many local mines in South Africa, Europe, and the Americas.

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Coal | McLanahan

Coal. From mine face to eliminating tailings ponds, McLanahan provides solutions for both surface and underground coal mining in all aspects of the operation. The company offers a full range of feeding, crushing and sampling equipment, as well as washing and dewatering systems that can remove impurities and increase the heating value of your coal.

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Deciphering Dewatering and Disposal | Coal Age

The mine faced a two-pronged water challenge; solid-laden water needed to be pumped out of the mine and a dewatering system installed in an area with limited space; and a mine void less than 8 feet high and a narrow 20-ft entry span. Xylem designed and installed custom pump solutions throughout the construction of Gibson South.

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The Ground-Water System and Possible Effects of ...

overlying perched aquifers by an unsaturated zone, mine dewatering alone would not affect perched aquifers. Mine dewatering would not significantly change water quality in the Blackhawk- Star Point aquifer. Subsidence will occur above future underground mines, but the effects on the ground-water system cannot be quantified.

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Mine Dewatering Design and Implementation

The mine types studied range from simple open pit to complex block caves and include examples from base metals, precious metals, diamonds, industrials and coal. The dewatering aspects of transition from open pit to underground

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Centrifuges - Minerals - Weir Group

The Aspir™ WAF Vertical Fine Coal Centrifuges incorporate proven technologies to deliver a robust machine that produces low product moistures and low maintenance costs. The Aspir™ range of Australia made high quality wedge wire baskets are designed to deliver optimum coal dewatering and separation whilst being cost effective.

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Dewatering Active Underground Coal Mines: Technical ...

The study should provide the coal mining industry with useful concepts and general guidance in deter- mining the technical and economical feasibility of thus dewatering an active coal mine. The study also suggests measures that may be cost-effective in controlling mine water quality with typical mine water removal systems.

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Dewatering coal tailings at KHAA KHUDAG COAL MINE, Mongolia

Dewatering coal tailings at KHAA KHUDAG COAL MINE, Mongolia. The Ukhaa Khudag coal mine lies in the heart of one of the harshest climate zones on earth: the southern Gobi desert. In the winter, its pipelines and coal tailings dam would freeze. In the summer, much of its water would evaporate.

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Article Impact of Coal Mining on the Moisture Movement in ...

Abstract: Long-term dewatering of groundwater is a necessary operation for mining safety in open-pit coal mines, while extensive dewatering might cause ecological problems due to dramati- cal changes of moisture movement in the soil, especially in …

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Appendix N: Tailings and Rejects Management Plan

been included to explain in detail the processing of coal rejects and the dewatering of coal tailings at Caval Ridge Mine. The storage, handling and disposal of coal rejects and dewatered tailings are outlined in the following sections and provide a comprehensive description of the process to be installed at Caval Ridge. 1.2 Coal Rejects Processing

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TenCate Geotube® | Geofabrics

TenCate Geotube® dewatering technology is used for projects large and small, and there is a good reason - simplicity and low cost. There are no belts, gears, or complicated mechanics. TenCate Geotube® containers use an engineered textile that is designed for dewatering of high moisture content sludge and sediment. They are available in many sizes, depending on your …

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Drainage feasibility of a Carboniferous thin-layer ...

The Luxi coal mine is located 15.0 km north of Jining City, Shandong Province, with an area of 54.418 km 2.The site lies between 116°32′30″E and 116°38′ 00″E longitude and between 35°30′00″N and 35°37′00″N latitude (Fig. 1).The mine has adopted the vertical shaft-underground inclined shaft development mode. At present, no. 16

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Sustainability | Free Full-Text | Impact of Coal Mining on ...

Long-term dewatering of groundwater is a necessary operation for mining safety in open-pit coal mines, as extensive dewatering might cause ecological problems due to dramatic changes in moisture movement in the soil, especially in ecologically fragile areas. In order to evaluate the impact of the coal mining operation on moisture movement in the …

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Dewatering of Mine Drainage Sludge

----- Dewatering of Mine Drainage Sludge by Coal Research Bureau West ia University Morgantown, West ia 26506 for the ENVIRONMENTAL PROTECTION AGENCY Project 14010 FJX December, 1971 For sale by the Superintendent of Documents, U.S. Government Office, Washington, D.C. 20402 - Price $1.00

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Mining Water Use | U.S. Geological Survey

Mining water use is water used for the extraction of minerals that may be in the form of solids, such as coal, iron, sand, and gravel; liquids, such as crude petroleum; and gases, such as natural gas. The category includes quarrying, milling of mined materials, injection of water for secondary oil recovery or for unconventional oil and gas recovery (such as hydraulic fracturing), and other ...

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Mine dewatering - Wikipedia

6 th International Conference on Mining Science & Technology Dewatering of fine coal and refuse slurries-problems and possibilities B. K. Parekh Center for Applied Energy Research, 2540 Research Park Drive, Lexington, KY 50511, USA Abstract Dewatering of fine clean coal and refuse slurry is one of the most important aspects of coal cleaning scenario.

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Mine Water Management Overview Report - BHP

mine complex, and it is intended to operate under a separate environmental authority (EA). Although the coal extraction activities of the proposed RHM will operate separately from the existing GRB mine complex, it is proposed that the RHM water management will include an systeminterface with the GRB mine complex.

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Comparison of Designs for the Dewatering of Coal, …

Figure 1. Summary of methods of mine dewatering . Coal Mine Drainage . Figure 2, shows the distribution of coal fields in Southern Africa. They are primarily located in secondary or fractured rock aquifers; however the coal seam itself can often be a minor aquifer. Figure 3 shows the stratigraphy of an East Rand coal mine (Smith and Whittaker ...

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Fundamentals of Fine Coal Dewatering - ACARP

Areas of interest include ultrafine coal and tailings with a significant swelling clay content and particular coals for which dewatering of fines is poor due to the presence of these clays. Analytical techniques for quantifying the extent of interaction of water with coals, based on the physical properties of this water.

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Dewatering in Open Pit Mining: Concern or Benefit? « New ...

Mine dewatering can be achieved by pumping continuously from a ring of dewatering tube wells around the mine and on benches, and installing pumps in special sumps on the mine floor to remove any surface water. ... Open pit mining can ensure >90% extraction of the coal resource and impacts related to this type of operation can be mitigated using ...

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Predictions for Aquifer Dewatering over Underground …

The effects of underground coal mining on aquifer dewatering have been summarized by Sgambat, et al (1980), based on their literature survey for the eastern United States. Hobba (1981) 'has also reported on dewatered rock and reduced well yields overlying deep mines in West ia, especially in the Farmington area of western Marion County.

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Complete Solutions for Mine Water Balance

Xylem | Mine Water Solutions 2 1 2 4 Dewatering Underground Leaching Floating Water Monitoring Station Source Water Pontoon Open Pit Dewatering Mining Campus Map Choose Xylem pumps, treatment equipment, and analytical instruments for use at every stage in mining. Our solutions are engineered for severe applications and can be counted

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4 Coal Mining and Processing | Coal: Research and ...

The U.S. coal industry serves a vital role in the nation's economy by producing fuel for more than half of its electricity. Despite the industry's importance, industry financial data for 2005—the strongest year for the coal industry in recent years—shows that it is a relatively small industry with revenues totaling $20 billion to $25 billion and net income between $1 billion and $2 ...

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Keep your coal mine up and running with ... - FL

From sizers and conveyors to loading equipment and tailings dewatering circuits we cover the full flowsheet through the entire lifecycle. To provide you with the best available solutions, our engineers use the most current resources, training and software – bringing the advantages of digitalisation to the coal industry.

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