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  5. High Rate Algal Ponds (HRAP): purification mechanisms and performance

Article | REF: CHV4036 V1

Virtuous coupling of water sanitation and microalgae culture

Authors: Solène JAHAN, Jérémy PRUVOST, Mariana TITICA, Guillaume COGNE, Howard FALLOWFIELD

Publication date: September 10, 2024 | Lire en français

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    2. High Rate Algal Ponds (HRAP): purification mechanisms and performance

    Less expensive and more energy-efficient than activated sludge systems, but more intensive than lagoon-type ponds, microalgae-based wastewater treatment systems such as High Rate Algal Ponds (HRAPs) are seen as promising solutions for secondary wastewater treatment in the most remote areas. HRAPs are shallow (30 to 50 cm) artificial channels in single or series of raceway-type loops, combined with an impeller. The photographs in figure 3 show the Peterborough HRAP in Australia, a large-scale 5,000 m 2 system.

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