Insight into biological phosphate recovery from sewage.

Bioresour Technol 2016 Oct 12;218:874-81. Epub 2016 Jul 12.

Department of Environmental Energy and Engineering, Kyonggi University, 442-760, Republic of Korea.

The world's increasing population means that more food production is required. A more sustainable supply of fertilizers mainly consisting of phosphate is needed. Due to the rising consumption of scarce resources and limited natural supply of phosphate, the recovery of phosphate and their re-use has potentially high market value. Sewage has high potential to recover a large amount of phosphate in a circular economy approach. This paper focuses on utilization of biological process integrated with various subsequent processes to concentrate and recycle phosphate which are derived from liquid and sludge phases. The phosphate accumulation and recovery are discussed in terms of mechanism and governing parameters, recovery efficiency, application at plant-scale and economy.

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http://dx.doi.org/10.1016/j.biortech.2016.07.003DOI Listing
October 2016
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