Abstract
Resources-oriented wastewater management is a new trend in water management driven by the need to close the loop and ensure resources’ sustainability. Phosphate is one of the non-renewable fossil resources of worldwide concern, particularly in Japan. Indeed, Japan is a net importer of phosphate-based fertilizers, and phosphate recovery from liquid waste streams is urgently needed. In this paper, we attempt phosphate recovery from starch factory wastewater using porous aluminum in a two-step procedure. Phosphate was first adsorbed into the porous aluminum matrix, then after the addition of potassium hydroxide, the compound potassium phosphate was recovered. The systems showed an efficiency of 22% which could be significantly increased by the implementation of electrochemical adsorption.
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This work is supported by Japan Agricultural cooperative Shihoro and Hitachi group.
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Guizani, M., Guo, J., Tagawa, M., Ito, R., Kawaguchi, T. (2022). Preliminary Study for Phosphate Recovery from Starch Factory Wastewater Using Porous Aluminum. In: Heggy, E., Bermudez, V., Vermeersch, M. (eds) Sustainable Energy-Water-Environment Nexus in Deserts. Advances in Science, Technology & Innovation. Springer, Cham. https://doi.org/10.1007/978-3-030-76081-6_15
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DOI: https://doi.org/10.1007/978-3-030-76081-6_15
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