• Improved phosphoric acid recovery from sewage sludge ash using layer-by-layer modified membranes 

      Paltrinieri, Laura; Remmen, Kirsten; Müller, Barbara; Köser, Joachim; Wintgens, Thomas (2019-10-01)
      Journal of Membrane Science
      We report an advanced treatment method for phosphoric acid recovery from leached sewage sludge ash. Layer-by-layer (LbL) polyelectrolyte deposition has been used as a tool to modify and convert a hollow ultrafiltration ...
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