Evaluation, engineering and development of advanced cyclone processes. Quarterly technical progress report No. 13, October 1, 1993-- December 31, 1993

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The project goal is to develop an advanced coal beneficiation technology that can achieve high recovery of the parent coal`s calorific value, while maximizing pyritic sulfur removal. Coal cleaning is to be accomplished by physical means incorporating an advanced form of cycloning or gravimetric process. Evaluation of different media types and their attendant systems for recovery, concentration, and regeneration is to be completed. Phase 1, Media Evaluation, now completed, involved a paper study and a number of laboratory tests to eliminate all but the best media options. Phase 2, Media Testing, involved detailed testing of the more promising media and ... continued below

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10 p.

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Creator: Unknown. December 31, 1993.

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Description

The project goal is to develop an advanced coal beneficiation technology that can achieve high recovery of the parent coal`s calorific value, while maximizing pyritic sulfur removal. Coal cleaning is to be accomplished by physical means incorporating an advanced form of cycloning or gravimetric process. Evaluation of different media types and their attendant systems for recovery, concentration, and regeneration is to be completed. Phase 1, Media Evaluation, now completed, involved a paper study and a number of laboratory tests to eliminate all but the best media options. Phase 2, Media Testing, involved detailed testing of the more promising media and separators in a closed-loop pilot facility. In the final phase, Phase 3, a 1,000 lb/hr open loop, bench scale plant will be designed and constructed using the optimum medium, separator, and medium recovery process based on information acquired during Phases 1 and 2 of the project. Major activities during this reporting period are reviewed below. The Bench Scale Circuit (BSC) design has been completed. The structural, electrical and other drawings are approved for construction and ready for contractor utilization. CTC contacted the Regional Office of the Virginia Department of Environmental Quality and ascertained that it was necessary to apply for a permit to operate the BSC. A Permit to construct and operate the BSC was applied for and granted shortly thereafter. Swenson has completed refurbishing the evaporator needed to regenerate dilute calcium nitrate medium. CTC awaits a suitable stage in construction of the BSC to schedule delivery and placement of the unit. Quotes were obtained from Power and Heat Systems for a boiler, and from Swenson for an organic medium evaporator/condenser system. Both were specified for a 200 TPH coal feed process and will be used in future economic comparisons.

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10 p.

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OSTI as DE96008522

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  • Other Information: PBD: 1993

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  • Other: DE96008522
  • Report No.: DOE/PC/90177--T9
  • Grant Number: AC22-90PC90177
  • DOI: 10.2172/211636 | External Link
  • Office of Scientific & Technical Information Report Number: 211636
  • Archival Resource Key: ark:/67531/metadc670119

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • December 31, 1993

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Nov. 30, 2015, 8:22 p.m.

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Evaluation, engineering and development of advanced cyclone processes. Quarterly technical progress report No. 13, October 1, 1993-- December 31, 1993, report, December 31, 1993; United States. (digital.library.unt.edu/ark:/67531/metadc670119/: accessed November 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.