Phosphate fertilizer from sewage sludge ash

(German article)

The amended Sewage Sludge Ordinance gradually restricts direct agricultural utilization and requires operators of large sewage treatment plants to recover the phosphate bound in sewage sludge and ashes. A new approach makes it possible to fully recycle sewage sludge ashes and make the phosphate available for standard and compound fertilizers(Article in German lanuage)

  • author: Jan Kirchhof, Senior Sales Manager Process & Plant Engineering, Glatt Ingenieurtechnik GmbH
  • originally published in the P&A Prozessdigitalisierung – Automation: Kompendium 2018-2019, publish-industry Verlag GmbH  and Dünger aus Klärschlammaschen (