patent us6544425 method for dewatering coal

Coal bed methane recovery- .-

The method according to claim 1, further comprising directing microwave energy into the formation during water introduction into the formation to contribute to the coal being heated. 8. The method according to claim 1, further comprising dewatering of the formation concurrent with the recovering of the methane, wherein the coal is heated such ...

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Method of producing methane gas from a coal seam

A method and system for producing coal-bed methane gas from a wellbore is disclosed. The method consists of drilling a wellbore so that a coal seam is intersected, and thereafter casing and completing the wellbore. A transducer is lowered into the wellbore, with the transducer capable of converting electrical energy to a sound energy.

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Net Income (Loss) from Rents, Royalties, Copyrights and Patents

PA-40 Individual Income Tax Return. Net income (loss) from rents, royalties, patents and copyrights is reported on the PA-40 Individual Income Tax return. Total the net income (loss) from all PA-40 Schedule (s) E and all PA-40 Schedule (s) RK-1 or NRK-1 or federal Schedule (s) K-1, if the correct Pennsylvania schedule is not provided.

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Apparatus and method for deliquifying material - osti.gov

The U.S. Department of Energy's Office of Scientific and Technical Information

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Process to Increase the Area of Microbial Stimulation in Methane Gas ...

A process to increase the area of microbial stimulation in a process of methane gas recovery in a multi seamed coal bed/methane dewatering and depressurizing production system by first utilizing an underbalanced multilateral drilling technique. ... An even more preferred method would to first drill a series of lateral wells off of the ...

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Method for stimulating methane production from coal seams

Method for stimulating methane production from coal seams: ... Weldon M. Harms; Edith Scott; : The present invention provides a method for treating coal seams to improve dewatering to enhance gas production therefrom. The treatment is effected by contacting the coal with an effective amount of a selected additive comprises at least one ...

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Method for dewatering fine coal - Virginia Tech

Virginia Tech Patents; View Item ... View Item; JavaScript is disabled for your browser. Some features of this site may not work without it. Method for dewatering fine coal. View/ Open. 5458786.pdf (659.5Kb) Downloads: 83. Date 1995-10-17 ... pentane, and ethane. Carbon dioxide can also be used for the dewatering process described in the ...

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US6544425B2 - Method for dewatering coal tailings and ... - Google Patents

A method of dewatering a mixture of coal tailings, water and contaminants comprising the steps of (a) providing a tank having a base surface and introducing said mixture of coal, tailings, water, and contaminants to said tank and allowing said coal tailings to settle on said base surface, (b) removing the coal tailings from said base surface of said tank along with water and contaminants and ...

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Cleanout of Coal Mine Settling Ponds using Geotube Dewatering

CASE STUDY Cleanout of Coal Mine Settling Ponds using TenCate Geotube® Dewatering Technology 6 Case Study | Cleanout of Coal Mine Settling Ponds using TenCate Geotube® Dewatering Technology A Geotube® dewatering facility was constructed to contain and dewater slurry extracted from the ponds. Construction of the dewa-tering pad started in August 2015.

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Ecologic Earth Energy

USA Patent pending, 2005 (Method of un-locking methane from entrapment in coal massif. 15. ... Multiple-Bore-Hole System for Dynamic Dewatering of open cast Brown Coal Mine Adamów, Poland 1956. Worldwide innovatory system with implementation for large-scale safe mining- COAL extracting operations. This system replaced conventional dewatering ...

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US20180030362A1 - System and method for dewatering coal ... - Google

System and method for dewatering coal combustion residuals Download PDF Info ... 2017-07-18 Priority to US15/652,740 priority patent/US10144892B2/en 2017-07-18 Assigned to AECOM Technical Services, Inc. reassignment AECOM Technical Services, Inc. ASSIGNMENT OF ASSIGNORS INTEREST ...

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Home-Shenzhen Kingbird Technology LTD., CO.

Shenzhen Kingbird Network Technology CO.,LTD. is a data communication system provider specializing in wireless and network communication technology. It is a national high-tech enterprise specializing in the development, sales and service of embedded operating systems, wireless data communication systems and related software. Software enterprise.

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Slurry pipeline hydraulics improved (Journal Article) | OSTI.GOV

The U.S. Department of Energy's Office of Scientific and Technical Information

WhatsApp:+8617329420102

Coal Bed Methane Recovery- .-

The method according to claim 1, further comprising: initial dewatering of the formation to remove the water that occurs natural in the formation and is heated by the passing of the electric current; heating replacement water injected back into the formation by reapplying the voltage across the first and second wells; and recovering additional ...

WhatsApp:+8617329420102

US5458786A - Method for dewatering fine coal - Google Patents

The process of dewatering by displacement is capable of achieving the same level of moisture reduction as thermal drying but at substantially lower energy costs. Fine coals are dewatered in an energy efficient process in which a non-polar liquid or a mixture of different hydrophobic liquids are used to displace the water from the coal surface.

WhatsApp:+8617329420102

Multi seam coal bed/methane dewatering and depressurizing production ...

Multi seam coal bed/methane dewatering and depressurizing production system,Multi seam coal bed/methane dewatering and depressurizing production system .,, ., ...

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Estimating dewatering in an underground mine by using a 3D ... - PLOS

Groundwater inflow to an underground mine will seriously affect its mining plan and engineering geology safety. Groundwater models are powerful tools commonly used in the mines to develop dewatering strategies. Many mines in the Kolwezi area have been present since the 1950s, and groundwater flow patterns have been significantly influenced by mining activities. A mining plan is developed for ...

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Multi seam coal bed/methane dewatering and depressurizing production ...

The invention claimed is: 1. A process for production of methane and shale gas from coal and shale formations utilizing underbalanced multilateral drilling, comprising the following steps: a. drilling a first borehole into a coal/shale formation; b. lowering a carrier string with a deflection member down the first borehole to the level of the coal/shale formations c. lowering a drill string ...

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Coal-Tar-Based Pavement Sealcoat, PAHs, and Environmental Health - USGS

Sealcoat is the black, viscous liquid applied to many asphalt parking lots, driveways, and playgrounds in North America to protect and enhance the appearance of the underlying asphalt. Coal-tar-based pavement sealcoat is a potent source of polycyclic aromatic hydrocarbon (PAH) contamination in urban and suburban areas and a potential concern for human health and aquatic life.

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Dewatering aids for coal and other mineral particulates (Patent) | OSTI.GOV

The U.S. Department of Energy's Office of Scientific and Technical Information

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kenya small lignite coal dryer manufacturer - github

. Contribute to sbmboy/en development by creating an account on GitHub.

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Operating method and settling machine for processing coal (Patent ...

The U.S. Department of Energy's Office of Scientific and Technical Information

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Method for fracturing coal seams- .-

Method for fracturing coal seams to improve the production (e.g. methane and/or water) therefrom. A water-based fracturing fluid is injected into the coal seam under pressure wherein the fracturing fluid contains both a wetting agent and a dispersant. The wetting agent contacts the fines which are formed during the fracturing of the coal and ...

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US3361259A - Method of dewatering of coal slurries - Google Patents

US3361259A - Method of dewatering of coal slurries - Google Patents Method of dewatering of coal slurries Download PDF Info Publication number ... 1963-05-16 Priority to DEH49191A priority Critical patent/DE1177572B/en 1964-04-28 Application filed by Harpener Bergbau AG filed Critical Harpener Bergbau AG

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Pressure/belt filter, particularly for dewatering fine coal (Patent ...

OSTI.GOV Patent: Pressure/belt filter, particularly for dewatering fine coal

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Mining and drilling control of distance to the coal-shale interface ...

This patent describes a process for in-situ gasification of a section of a formation containing at least one below surface dipping coal seam. The process comprising the steps of, ... The invention is a method for the hydraulic mining of coal of varying hardness. It is described in particular as to coal of the type occurring in the Balmer seam ...

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