Nutrient recovery from wastewater streams by microalgae: Status and prospects

Ting Cai, Stephen Y. Park and Yebo Li

Renewable and Sustainable Energy Reviews, 2013, vol. 19, issue C, 360-369

Abstract: Disposal of wastewater often results in high nutrient loading into aquatic environments, which may lead to favorable conditions for undesirable phytoplankton blooms. Microalgae are efficient in removing nitrogen, phosphorus, and toxic metals from wastewater under controlled environments. If key nutrients in the wastewater stream can be used to grow microalgae for biofuel production, the nutrients can be removed, thus significantly reducing the risk of harmful phytoplankton overgrowth. This review paper summarizes the major nutrient components of different wastewater streams, the mechanisms of algal nutrient uptake, nutrient removal performance of various species of microalgae when cultured in wastewater, and current microalgae production systems. Finally, new algae cultivation technologies applicable for biofuel production and nutrient recovery in polluted water bodies are discussed.

Keywords: Microalgae; Wastewater; Nutrient; Nitrogen; Phosphorus (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (43)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:rensus:v:19:y:2013:i:c:p:360-369

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DOI: 10.1016/j.rser.2012.11.030

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