Evaluation of trommels for waste-to-energy plants: Phase 1 report of the Doncaster and Byker test series

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The performance testing of two commercial scale trommels, used for size separation of bulk municipal waste and the first phase of the testwork carried out are reported. The commercial scale trommels examined during this testwork are sited at Doncaster and at Byker. The major difference between the two plants is that raw refuse is processed in the Doncaster plant trommel and pulverised refuse in the Byker plant trommel. Both plants produce a magnetic ferrous fraction as well as a refuse derived fuel prepared by upgrading the intermediate sized product from the rotary screen using air classification, magnetic separation, further size ... continued below

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Pages: 69

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Barton, J. December 1, 1981.

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Description

The performance testing of two commercial scale trommels, used for size separation of bulk municipal waste and the first phase of the testwork carried out are reported. The commercial scale trommels examined during this testwork are sited at Doncaster and at Byker. The major difference between the two plants is that raw refuse is processed in the Doncaster plant trommel and pulverised refuse in the Byker plant trommel. Both plants produce a magnetic ferrous fraction as well as a refuse derived fuel prepared by upgrading the intermediate sized product from the rotary screen using air classification, magnetic separation, further size reduction and pelletization. However, they differ in many respects; the feed to the Byker trommel is preshredded (-7'') while that at Doncaster is treated as received and the latter plant also has additional facilities for glass and paper recovery. The report provides detailed accounts of the Byker and Doncaster tests and compares the two screening operations highlighting the effects of the major variables investigated. These results highlight the current lack of understanding of trommel processes in that both series unequivocally demonstrate considerable errors in the design ratings assigned to each unit. Accordingly, the results of the Byker tests relate largely to overloaded conditions, particularly in the fine screen section, while those from the Doncaster tests represent conditions of considerable underloading.Valuable information relating to the effects of trommel speed, installation of lifters and scrolls, aperture size selection and mode of particle presentation to the screen plante has been reported in addition to the experience and methods of interpreting data resulting from the use of surrogate pulses. (MCW)

Physical Description

Pages: 69

Notes

NTIS, PC A04/MF A01.

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  • Other: DE82008580
  • Report No.: DOE/CS/24315-T8
  • Grant Number: AC03-80CS24315
  • DOI: 10.2172/6394845 | External Link
  • Office of Scientific & Technical Information Report Number: 6394845
  • Archival Resource Key: ark:/67531/metadc1211481

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • December 1, 1981

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

Description Last Updated

  • Oct. 8, 2018, 12:01 p.m.

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Barton, J. Evaluation of trommels for waste-to-energy plants: Phase 1 report of the Doncaster and Byker test series, report, December 1, 1981; United States. (digital.library.unt.edu/ark:/67531/metadc1211481/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.