Comparison of the purifying efficiency of high rate algal pond with stabilization pond

B. Picot, A. Bahlaoui, Setyo Sarwanto Mursidik, B. Baleux, J. Bontoux

Research output: Contribution to journalConference articlepeer-review

43 Citations (Scopus)

Abstract

Due to its high sanitary efficiency, treatment of wastewater by Stabilization Ponds (SP) is proposed for sensitive coastal areas (proximity to bathing areas, shellfish farming lagoons). This process, suitable for small communities with high summer populations, requires a large surface area. The objective of this study is to compare High Rate Algal Pond (HRAP) purifying efficiency with that of SP. We have experimented with a HRAP process, which by generating algal growth reduces the required surface area, our studies suggest this to be by a factor of 5. This process is particularly interesting for nutrient removal, especially nitrogen, and could be useful in coastal areas susceptible to eutrophication. Its sanitary performance is comparable to that of SP. Environmental factors and pond depth play a more important role in HRAP efficiency than retention time of water in the basins.

Original languageEnglish
Pages (from-to)197-206
Number of pages10
JournalWater Science and Technology
Volume25
Issue number12
Publication statusPublished - 1 Dec 1992
EventProceedings of the IAWPRC Specialised Conference on Wastewater Management in Coastal Areas - Montpellier, Fr
Duration: 31 Mar 19922 Apr 1992

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