The aim of this study was to investigate the use of recycled crushed glass as a filtration medium for municipal potable water treatment plants. It evaluated the main physical parameters of recycled glass and its performance in a potable water treatment application. Pilot-plant testing was used to compare the performance of recycled glass to a typical sand filter medium in a conventional treatment process. Laboratory analysis was used to determine media characteristics. Pilot-plant testing determined that the filtration performance of the glass medium was similar to that of a typical sand medium of similar effective size and uniformity under all conditions tested. The glass medium had the benefit of taking 10-15% longer than the sand to reach particle breakthrough. The glass also appeared to accumulate headloss in most runs at a slightly lower rate than the sand. Backwashing observed during pilot-plant testing also showed that the glass expanded more than the sand under the same backwash water rates. This was noted to be a potential benefit to installations that have low backwash water flow.
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Research Article|
December 01 2002
Use of recycled crushed glass as a filtration medium in municipal potable water treatment plants Available to Purchase
G. Evans;
*Department of Chemical Engineering, University of Newcastle, Callaghan, NSW 2308, Australia (E-mail:
E-mail: [email protected])
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P. Dennis;
P. Dennis
**Hunter Water Australia, PO Box 5007, Newcastle West, NSW 2302, Australia
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M. Cousins;
M. Cousins
**Hunter Water Australia, PO Box 5007, Newcastle West, NSW 2302, Australia
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R. Campbell
R. Campbell
***Clean Hunter Centre, Industry Development Centre, University Drive, Callaghan, NSW 2308, Australia
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Water Supply (2002) 2 (5-6): 9–16.
Citation
G. Evans, P. Dennis, M. Cousins, R. Campbell; Use of recycled crushed glass as a filtration medium in municipal potable water treatment plants. Water Supply 1 December 2002; 2 (5-6): 9–16. doi: https://doi.org/10.2166/ws.2002.0144
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