Journal article
Bacteria and virus removal from secondary effluent in sand and red mud columns
Water Science & Technology, Vol.23(1-3), pp.261-270
1991
Abstract
Column experiments were conducted to determine the improvement in the removal of Escherichia coli, Salmonella adelaide and poliovirus-1 through sands by amendment with bauxite refining residue. The residue (red mud) was neutralized using 5 % gypsum and incorporated to form 30% of the amended sands. In 65 cm long soil columns the removal of the three organisms in the amended sand columns was excellent with over seven orders of magnitude reduction in concentration. Removal in unamended sands was poor. From breakthrough curves in unamended sand columns filtration, die-off and adsorption all appear to play a role in organism removal. The results also show that E. coli can be used as an indicator for contamination, though S. adelaide was less efficiently removed than E. coli. Poliovirus was on the other hand better removed than E. coli.
Details
- Title
- Bacteria and virus removal from secondary effluent in sand and red mud columns
- Authors/Creators
- G. Ho (Author/Creator)R.A. Gibbs (Author/Creator)K. Mathew (Author/Creator)
- Publication Details
- Water Science & Technology, Vol.23(1-3), pp.261-270
- Publisher
- International Water Association Publishing
- Identifiers
- 991005544809007891
- Copyright
- © IWA Publishing 1991
- Murdoch Affiliation
- School of Environmental Science
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 1 Clinical & Life Sciences
- 1.246 Diarrheal Diseases
- 1.246.710 Enteric Viruses
- Web Of Science research areas
- Engineering, Environmental
- Environmental Sciences
- Water Resources
- ESI research areas
- Environment/Ecology