Prospects For Reclaiming Fine Coal From Slurry Ponds

Dte Energy Subsidiary Employs New Technology To Recover, Dte energy has made significant progress toward commercial recovery of a previously untapped energy resource fine coal from abandoned finecoal slurry ponds Prospects For Reclaiming Fine Coal From Slurry Ponds

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  • Environmental Risks Of Coal Refuse Slurry

    From or occurring during the capping of a fine coal refuse impoundment however relative to the total population of impoundments very few have been reclaimed impoundment status may be defined as active ie still receiving coal refuse slurry from an active coal

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  • Prospects For Reclaiming Fine Coal From Slurry Ponds

    Title prospects for reclaiming fine coal from slurry ponds although 400500 million tons of coal are washed in the us each year less than half of the fine fraction minus 28 mesh 06 mm is subjected to cleaning a similar figure applies to other coal mining countries around the world

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  • Coal Waste Sludge Ponds How Safe Are They Local

    Coal waste sludge ponds how safe are they they pump the real fine mixture called slurry in a pipe behind the embankment long said the dep is conducting a study on coal slurry

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  • Washingmachine Science Helps Recover Coal From Slurry

    To 90 million tons of fine coal are being discarded to coal slurry impoundments annually by the us coal industry when the coal company that owned the property took the risk and implemented the cleanup project it also regained the use of the land where the impoundment existed a piece of real estate now worth several million dollars and they restored the environment

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  • Slurry An Overview Sciencedirect Topics

    The slurry ponds on the other hand pose a danger to the environment from coal dusts during longer dry periods spontaneous ignition and contaminating groundwater in the case where the ash content is relatively low it is common practice to reclaim the slurries and expose them to the atmosphere for reduction of moisture so that they can be used for heating or power generation

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  • Reconnaissance Of Coalslurry Deposits In Indiana

    Estimates of the total volume of coal slurry in indiana range from 94 to 136 million cubic yards an unknown quantity of additional coalslurry exists at active coalpreparation facilities in some waterfilled impoundments located in the vicinities of inactive operations in excavated pits of unknown depth and in graded spoil deposits

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  • Dredge Recovers Coal Fines From Settling Ponds Mud Cat

    Nov 15 2016 as the mud cat eats its way forward it pumps slurry from the pond through several hundred feet of 8inch pipeline to the recovery plant mud cat has dredged more than a billion cubic meters of sand sludge mud and hazardous waste and has over 1000 dredges operating around the globe dredge recovers coal fines from settling ponds

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  • Dte Energy Subsidiary Employs New Technology To Recover

    Dte energy has made significant progress toward commercial recovery of a previously untapped energy resource fine coal from abandoned finecoal slurry ponds

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  • Washingmachine Science Helps Recover Coal From Slurry

    Dewater coal fines below 44 microns says yoon now this technology can be used to remine the fine coal discarded to impoundments and to help companies minimize waste generation for me that is a great accomplishment says yoon people living in coal mining districts will see fewer and smaller slurry ponds

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  • Fines Recovery Mclanahan

    Mclanahan dewatering equipment allows producers to remove the excess water in fine material slurries that are destined to a settling pond dewatering the fine material slurry creates a dry easytohandle product with some market value as well as reusable process water

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  • Dte Energy Subsidiary Employs New Technology To Recover

    These projects include potentially reclaiming abandoned slurry ponds in west virginia pennsylvania and kentucky as well as augmenting fine coal recovery at several active coal preparation

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  • Fine Coal Dewatering Virginia Tech

    Fine coal constitutes a relatively small portion of a product stream in a coal cleaning plant however its processing cost is approximately three times higher than the cost of processing coarse coal therefore many coal companies chose to discard the fines to refuse ponds causing a loss of profit and creating environmental concerns

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  • Coaltech Waste Coal Fines Plant Coal Agglomeration

    We create an energy source from slurry ponds coal agglomeration south africa proprietary limited coal tech llc coaltech group read more clean invest africa plc further re coaltech acquisition and suspension read more casa begins commercial production coal agglomeration south africa officially starts commercial production today

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  • Critic Questions Way Coal Firms Build Slurry Ponds

    Dec 07 2012 morgantown ap slurry pond failures like the one that swallowed a bulldozer and its driver last week at a west virginia coal mine

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  • Fine Coal Recovery From Tailings Impoundments

    Fine coal recovery from tailings impoundments process requirements the original process for the wollondilly plant was designed for the recovery of 125mm coal at 12 ash this involved 1 dredge reclaiming and slurry transportation 2 screen sizing to 2mm 3 primary desliming 4 secondary desliming 5 spiral treatment 6 tailings

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  • Us6156083a Coal Reclamation Systems Google Patents

    A method for recovering coal from a mixture containing fine particles of coal the mixture including fine coal particles water and impurities the method including feeding the mixture to a first liquidsolid separator that removes relatively large pieces of material from the mixture producing a first stream containing recoverable fine coal particles and pumping the first stream from the

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  • Pollution Control Guidelines For Coal Refuse Piles And

    The most common function of a siltation basin is to act as a slurry pond for fine refuse directing surface drainage from a coal refuse pile into a proper slurry pond is an excellent means of pollution control such an arrange ment can substantially promote the removal of suspended solids and the partial or complete neutralization of acid

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  • Industrial Wastewater Treatment For Coal Ash Pond Remediation

    Coal ash pond remediation industrial coal ash pond remediation bed and recycling of the solids internally to build up and maintain an internal solids concentration which removes fine materials the addition of lime slurry to this stream can also remove any oils andor heavy metals which may cause problems for discharging the stream

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  • Coal Fines Sludge Dewatering Geofabrics

    Jun 21 2018 the waste slurry from the chpp is directed into settling ponds or tailings dams however in order to reduce waste many mines recover the coal fines for further processing the slurry can either be processed in a series of centrifuges and cyclones to remove water and separate the coal fractions however this is an expensive mechanical process

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  • Dredge Recovers Coal Fines From Settling Ponds Mud Cat

    Nov 15 2016 turn an environmental problem into profit dredge recovers coal fines from settling ponds the mud cat auger dredge a quality heavyduty minidredge with a huge appetite for coal fines is performing beyond expectations for paul m taylor augering company of madisonville kentucky manufactured by the mud cat division of mud cat international

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  • The News Journal 80 Million Arq Plant In Corbin Unveiled

    Apr 10 2019 lane explained that in essence the process to extract energy from the coal waste consists of reclaiming the material from slurry ponds and through steps of separating grinding and drying turning it into what will be known as arq fuel its very low cost we can do it for about 11 a barrel lane explained

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  • Fuel And Energy Abstracts Vol 38 Issue 5 Pages 292376

    Select article 9703457 genetic relation between individual oxygen and nitrogencontaining compounds in extracts and low temperature tars of kanskachinsk brown coal and its precursor organic matter

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  • Coal Fines Recovery Firm Poised For Growth Mining Weekly

    Coal fines recovery firm poised for growth writtenoff stockpiles of fine coal while at the same time reclaiming areas occupied by these dumps systems work by syphoning out a slurry of

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