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1 June 2011 Economic Feasibility Study for Phosphorus Recovery Processes
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Abstract

Phosphorus recovery from wastewater has become a necessity for sustainable development because phosphorus is a non-renewable essential resource, and its discharge into the environment causes serious negative impacts. There are no economic incentives for the implementation of phosphorus recovery technologies because the selling price of rock phosphate is lower than phosphorus recovered from sewage. The methodologies used to determine the feasibility of such projects are usually focused on internal costs without considering environmental externalities. This article shows a methodology to assess the economic feasibility of wastewater phosphorus recovery projects that takes into account internal and external impacts. The shadow price of phosphorus is estimated using the directional distance function to measure the environmental benefits obtained by preventing the discharge of phosphorus into the environment. The economic feasibility analysis taking into account the environmental benefits shows that the phosphorus recovery is viable not only from sustainable development but also from an economic point of view.

© Royal Swedish Academy of Sciences 2011
María Molinos-Senante, Francesc Hernández-Sancho, Ramón Sala-Garrido, and Manel Garrido-Baserba "Economic Feasibility Study for Phosphorus Recovery Processes," AMBIO: A Journal of the Human Environment 40(4), 408-416, (1 June 2011). https://doi.org/10.1007/s13280-010-0101-9
Received: 22 June 2010; Accepted: 6 October 2010; Published: 1 June 2011
JOURNAL ARTICLE
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