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Additional Pollutants and Deposition Potential from Garbage Disposers

Additional Pollutants and Deposition Potential from Garbage Disposers The objectives of this study were to (a) characterise the quantity and quality of crude sewage, as might be influenced by the use of domestic garbage disposers, and (b) examine the deposition potential of wastewater solids in gravitational sewerage systems. Ground particles of organic origin require relatively low self‐cleansing velocities, and therefore conform with the usual design recommendations of gravitational sewers, with no expected deposition problems. However, ‘heavy’particles which are characterised by specific densities exceeding 2 and with sizes >1 mm, might cause deposition and associated problems. Where sewers are manufactured from smooth material, calculations indicate that higher scouring velocities than those recommended in the literature are required. Minimising the size of ground material by regulating the particle‐size distribution produced by approved garbage disposers should mitigate the problem which is caused by deposition. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Water and Environment Journal Wiley

Additional Pollutants and Deposition Potential from Garbage Disposers

Water and Environment Journal , Volume 15 (1) – Mar 1, 2001

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References (17)

Publisher
Wiley
Copyright
Copyright © 2001 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1747-6585
eISSN
1747-6593
DOI
10.1111/j.1747-6593.2001.tb00301.x
Publisher site
See Article on Publisher Site

Abstract

The objectives of this study were to (a) characterise the quantity and quality of crude sewage, as might be influenced by the use of domestic garbage disposers, and (b) examine the deposition potential of wastewater solids in gravitational sewerage systems. Ground particles of organic origin require relatively low self‐cleansing velocities, and therefore conform with the usual design recommendations of gravitational sewers, with no expected deposition problems. However, ‘heavy’particles which are characterised by specific densities exceeding 2 and with sizes >1 mm, might cause deposition and associated problems. Where sewers are manufactured from smooth material, calculations indicate that higher scouring velocities than those recommended in the literature are required. Minimising the size of ground material by regulating the particle‐size distribution produced by approved garbage disposers should mitigate the problem which is caused by deposition.

Journal

Water and Environment JournalWiley

Published: Mar 1, 2001

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