Wood ash as a magnesium source for phosphorus recovery from source-separated urine

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Sakthivel, S. R., Tilley, E., & Udert, K. M. (2012). Wood ash as a magnesium source for phosphorus recovery from source-separated urine. Science of the Total Environment, 419, 68-75. https://doi.org/10.1016/j.scitotenv.2011.12.065