Water Purification: Algae in Wastewater Oxidation Ponds

Asher Brenner, Aharon Abeliovich

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

    3 Scopus citations

    Abstract

    Waste stabilization ponds have been, for many years, a very common method of wastewater treatment, especially in warm climate areas. These are simple systems; the main advantage of which is the highly efficient destruction of pathogens. It is therefore recommended by the WHO as the process of choice in developing countries to protect human life with the limited resources and skills available. However, in developed countries due to the incomplete purification efficiency and the high consumption of land resources, these processes are gradually disappearing. Alga culture has attracted additional applications, for example, high-rate oxidation ponds, aimed at the exploitation of the high protein content of algae as fish and animal fodder, and for other purposes such as the recent pursuit for alternative biodiesel feedstocks. These applications, however, require high organic and nutrient loads, thereby contradicting the purpose of wastewater treatment. Other limitations such as uncontrolled environmental conditions, fluctuating growth of undesired algal species as well as harvesting difficulties have rendered these applications noneconomical.

    Original languageEnglish
    Title of host publicationHandbook of Microalgal Culture
    Subtitle of host publicationApplied Phycology and Biotechnology: Second Edition
    Publisherwiley
    Pages595-601
    Number of pages7
    ISBN (Electronic)9781118567166
    ISBN (Print)9780470673898
    DOIs
    StatePublished - 1 Jan 2013

    Keywords

    • microalgae
    • natural processes
    • oxidation ponds
    • photosynthesis
    • stabilization ponds
    • wastewater treatment

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