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 (industr.com)
Further information on this topic and related topics can also be found in the following publications:
Published article: ‘Growing the German phosphate industry’. PDF, English
Published article: ‚Forward-looking plant planning – How pre-engineering can bring ideas to market faster‘ PDF, English
Published article: ‘Improved performance for crop protection products’, PDF, English
Published article: ‘Like a phoenix from the ashes’. A recovery technology that releases phosphate from sewage sludge ashes and converts it into ready-to-use fertilizers. PDF, English
Published article: ‘Fomulation For Success – Fluid Bed Systemes as Key for the Production of Speciality Fertilizers’, PDF, English