Clean energy from municipal solid waste. Technical progress report number 3

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Development of the computer models for slurry carbonization have begun and were based upon the collected data (mass balances, yield, temperatures, and pressures) from the previous pilot plant campaigns. All computer models are being developed with Aspen`s SpeedUp{trademark} software. The primary flow sheet with major alternatives has been developed and the majority of equipment descriptions and models, cost algorithms, and baseline parameters have been input to SpeedUp. The remaining modeling parameters will be input in the next reporting period and the initial flow sheet skeleton and model will be completed. The computer models will focus on optimizing capital and operating ... continued below

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4 p.

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Klosky, M. January 5, 1996.

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Description

Development of the computer models for slurry carbonization have begun and were based upon the collected data (mass balances, yield, temperatures, and pressures) from the previous pilot plant campaigns. All computer models are being developed with Aspen`s SpeedUp{trademark} software. The primary flow sheet with major alternatives has been developed and the majority of equipment descriptions and models, cost algorithms, and baseline parameters have been input to SpeedUp. The remaining modeling parameters will be input in the next reporting period and the initial flow sheet skeleton and model will be completed. The computer models will focus on optimizing capital and operating costs, and evaluating alternative waste water recycling technologies. The weaknesses of the previous pilot plant data and the data required for design of the commercial demonstration facility were identified. The identified weaknesses of the existing data included mass balance precision and accuracy, reactor residence time control (i.e. reactor level control), reactor temperature variations, and air entrainment in the feed RDF slurry. To improve mass balance precision and accuracy, an alternative carbonization gas flow meter will be designed and installed on the pilot plant. EnerTech`s carbonization gas flow meter design has been submitted to the EERC for final approval. In addition, an appropriate number of feed RDF samples will be characterized for moisture content just prior to the next pilot plant run to estimate incoming moisture variation. A pumping test also will be performed with the feed RDF slurry to determine the amount of air entrainment with the feed slurry.

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4 p.

Notes

OSTI as DE96003901

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  • Other Information: PBD: 5 Jan 1996

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  • Other: DE96003901
  • Report No.: DOE/EE/15623--T3
  • Grant Number: FG01-95EE15623
  • DOI: 10.2172/171258 | External Link
  • Office of Scientific & Technical Information Report Number: 171258
  • Archival Resource Key: ark:/67531/metadc619336

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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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  • January 5, 1996

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Nov. 30, 2015, 6:11 p.m.

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Klosky, M. Clean energy from municipal solid waste. Technical progress report number 3, report, January 5, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc619336/: accessed August 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.