Disposal of fluidized bed combustion ash in an underground mine to control acid mine drainage and subsidence. Quarterly report, September 1--November 30, 1997

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Description

This project will evaluate the technical, economic and environmental feasibility of filling abandoned underground mine voids with alkaline, advanced coal combustion wastes (Fluidized Bed Combustion (FBC) ash). Success will be measured in terms of technical feasibility of the approach (i.e., % void filling), cost, environmental benefits (acid mine drainage and subsidence control) and environmental impacts (noxious ion release). During Phase 3 the majority of the activity involves completing two full scale demonstration projects. The eleven acre Longridge mine in Preston County will be filled with 53,000 cubic yards of grout during the spring of 1998 and monitored for following year. ... continued below

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17 p.

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Creator: Unknown. December 31, 1997.

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Description

This project will evaluate the technical, economic and environmental feasibility of filling abandoned underground mine voids with alkaline, advanced coal combustion wastes (Fluidized Bed Combustion (FBC) ash). Success will be measured in terms of technical feasibility of the approach (i.e., % void filling), cost, environmental benefits (acid mine drainage and subsidence control) and environmental impacts (noxious ion release). During Phase 3 the majority of the activity involves completing two full scale demonstration projects. The eleven acre Longridge mine in Preston County will be filled with 53,000 cubic yards of grout during the spring of 1998 and monitored for following year. The second demonstration involves stowing 2,000 tons of ash into an abandoned mine to demonstrate the newly redesigned Burnett Ejector. This demonstration is anticipated to take place during the winter of 1997. This document will report on progress made during Phase 3. The report will be divided into four major sections. The first will be the Hydraulic Injection component. This section of the report will report on progress and milestones associated with the grouting activities of the project. The Phase 3 tasks of Economic Analysis and Regulatory Analysis will be covered under this section. The second component is Pneumatic Injection. This section reports on progress made towards completing the demonstration project. The Water Quality component involves background monitoring of water quality and precipitation at the Phase 3 (Longridge) mine site. The last component involves evaluating the migration of contaminants through the grouted mine. A computer model has been developed in earlier phases and will model the flow of water in and around the grouted Longridge mine.

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17 p.

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OSTI as DE98057971

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  • Other Information: PBD: [1997]

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  • Other: DE98057971
  • Report No.: DOE/MC/29244--15
  • Grant Number: FC21-94MC29244
  • DOI: 10.2172/656670 | External Link
  • Office of Scientific & Technical Information Report Number: 656670
  • Archival Resource Key: ark:/67531/metadc703500

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  • December 31, 1997

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 10, 2015, 7:32 p.m.

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Disposal of fluidized bed combustion ash in an underground mine to control acid mine drainage and subsidence. Quarterly report, September 1--November 30, 1997, report, December 31, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc703500/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.