The filter system for tertiary treatment of sewage effluent by land application - its performance in a subtropical environment

Gardner, E. A., Morton, D., Sands, J., Matthews, P., Cook, F. J. and Jayawardane, N. S. (2001) The filter system for tertiary treatment of sewage effluent by land application - its performance in a subtropical environment. Water Science And Technology, 43 10: 335-342.

Author Gardner, E. A.
Morton, D.
Sands, J.
Matthews, P.
Cook, F. J.
Jayawardane, N. S.
Title The filter system for tertiary treatment of sewage effluent by land application - its performance in a subtropical environment
Journal name Water Science And Technology   Check publisher's open access policy
ISSN 0273-1223
Publication date 2001-01-01
Sub-type Article (original research)
Volume 43
Issue 10
Start page 335
End page 342
Total pages 8
Place of publication United Kingdom
Publisher I W A Publishing
Collection year 2001
Language eng
Subject C1
300100 Soil and Water Sciences
770902 Land and water management
Abstract FILTER is an innovative, CSIRO developed system for treating effluent using high rate land application and subsequent effluent recapture via a closely spaced, subsurface drainage network. We report on the summer performance of a FILTER system established in a subtropical environment on a relatively impermeable swelling clay soil underlain by a deep regional water table. Using secondary treated sewage effluent, the FILTER system produced effluent of tertiary nutrient standards (less than or equal to5 mg/L TN; less than or equal to1 mg/L TP), with salinity levels suitable for subsequent irrigation reuse (EC less than or equal to2.5 dS/m). Removal of faecal coliforms was considerably less effective. The hydraulic loading rate achieved was about two and a half times larger than conventional irrigation demand, but this was associated with high deep percolation losses (e 3 mm/day). Comparisons are made with the original FILTER system developed and tested by Jayawardane et al. in temperate Australia. Suggestions are made for modifications to, and further testing of FILTER in a subtropical environment.
Keyword Engineering, Environmental
Environmental Sciences
Water Resources
Filter
Effluent
Land Application
Drainage
Tertiary Treatment
Nutrients
Pathogens
Salinity
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Agriculture and Food Sciences
 
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Created: Wed, 15 Aug 2007, 02:47:21 EST