Operation and recovery of a seasonally-loaded UK waste stabilisation pond system
Operation and recovery of a seasonally-loaded UK waste stabilisation pond system
An intermittent discharge waste stabilisation pond system was trialled for treatment of a seasonal wastewater load from a campsite. The system showed rapid acclimatisation to incoming load, with chlorophyll-a exceeding 700 mg l?1 within 2 weeks and filtered and unfiltered effluent biochemical oxygen demand below 20 and 30 mg l?1 respectively. Good performance continued for some weeks, after which photosynthetic oxygenation capacity in the first pond was seriously impaired by a shock loading believed to include fatty material. Inflow to the system was suspended and a surface film was broken up, after which the pond recovered within an 8-day period. Laboratory experiments indicated that interventions such as artificial aeration and dilution with effluent had no beneficial effect although mixing may have increased the rate of recovery.
facultative conditions, intermittent loading, waste stabilisation ponds
1105-1112
Zhang, S.
76640b2c-83c0-4a90-bcd8-939ffb2505aa
Banks, C.J.
5c6c8c4b-5b25-4e37-9058-50fa8d2e926f
Heaven, S.
f25f74b6-97bd-4a18-b33b-a63084718571
Salter, A.M.
01101c0a-294f-4b7c-aa2c-b6b1b0b3ade2
2013
Zhang, S.
76640b2c-83c0-4a90-bcd8-939ffb2505aa
Banks, C.J.
5c6c8c4b-5b25-4e37-9058-50fa8d2e926f
Heaven, S.
f25f74b6-97bd-4a18-b33b-a63084718571
Salter, A.M.
01101c0a-294f-4b7c-aa2c-b6b1b0b3ade2
Zhang, S., Banks, C.J., Heaven, S. and Salter, A.M.
(2013)
Operation and recovery of a seasonally-loaded UK waste stabilisation pond system.
Water Science & Technology, 67 (5), .
(doi:10.2166/wst.2013.657).
Abstract
An intermittent discharge waste stabilisation pond system was trialled for treatment of a seasonal wastewater load from a campsite. The system showed rapid acclimatisation to incoming load, with chlorophyll-a exceeding 700 mg l?1 within 2 weeks and filtered and unfiltered effluent biochemical oxygen demand below 20 and 30 mg l?1 respectively. Good performance continued for some weeks, after which photosynthetic oxygenation capacity in the first pond was seriously impaired by a shock loading believed to include fatty material. Inflow to the system was suspended and a surface film was broken up, after which the pond recovered within an 8-day period. Laboratory experiments indicated that interventions such as artificial aeration and dilution with effluent had no beneficial effect although mixing may have increased the rate of recovery.
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Published date: 2013
Keywords:
facultative conditions, intermittent loading, waste stabilisation ponds
Organisations:
Water & Environmental Engineering Group
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Local EPrints ID: 356558
URI: http://eprints.soton.ac.uk/id/eprint/356558
ISSN: 0273-1223
PURE UUID: 846909d7-0fa3-471b-9e77-611f01164dfc
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Date deposited: 18 Sep 2013 14:22
Last modified: 15 Mar 2024 02:52
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Author:
S. Zhang
Author:
A.M. Salter
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