An “optimized module” approach to waste water reclamation design

Ryder, Robert A.; McGovern, Michael T.

doi:10.1016/0043-1354(72)90106-6

Cited by 2 publications

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“…Water is reclaimed to meet the standards required for various purposes, i.e. irrigation, cooling, groundwater enrichment (ISQW, 1978;Ryder & McGovern, 1972) while the algae are used as a valuable protein constituent of fish food (Mokady, et al, 1977;Priestly, 1976;Sandbank & Hepher, 1978) and poultry food (Grau & Klein, 1957;Mokady et al, 1978).…”

Section: Introductionmentioning

confidence: 99%

Algal polymorphism in high rate wastewater treatment ponds

1981

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In the past as well as today there have been two conflicting opinions as to whether changes in the algal species in water bodies indicate polymorphism or the development of separate species. Similar changes were also found in High Rade Algae Pond (HRAP) used for wastewater treatment, effluent reclamation and protein production. To critically examine both opinions, samples of HRAP effluent were taken and the algal species identified and measured continuously, using conventional methods.Two main algal species were identified. These remained stable during all four monitoring sessions over a three-year period. The external changes observed in the algae were a reflection of controlled periods of organic loading and the conditions under which the pond was operated, such as retention time (a dependent of radiation), ambient temperature, effluent depth and aeration methods.

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Section: Introductionmentioning

confidence: 99%

Algal polymorphism in high rate wastewater treatment ponds

1981

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Environmental phenotypic variation of Scenedesmus dimorphus in high‐rate algae ponds and its relationship to wastewater treatment and biomass production

Oron¹,

Shelef²,

Levi³

1981

Biotech & Bioengineering

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SummaryDuring the course of operating high-rate algae ponds (HRAP) for wastewater treatment and protein production, changes were found in the two main algae species. The observed changes were interpreted to be a reflection of the operation regime and loading combined with environmental conditions. To verify that these changes were phenotypic and not genetic, experiments were conducted on Scenedesmus dimorphus growing in miniponds ( I 10 L) as well as in the laboratory. The results showed that the changes in S. dimorphus were external and due to the changes in the loading and operating conditions of the ponds adjusted to changing environmental conditions. It was found that wastewater treatment efficiency and algal yield are also correlated with the S. dimorphus type.

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An “optimized module” approach to waste water reclamation design

Cited by 2 publications

References 0 publications

Algal polymorphism in high rate wastewater treatment ponds

Algal polymorphism in high rate wastewater treatment ponds

Environmental phenotypic variation of Scenedesmus dimorphus in high‐rate algae ponds and its relationship to wastewater treatment and biomass production

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