High-performance fertilizer from sewage sludge ash (German Article)

The new PHOS4green process makes it possible to produce ready-to-use, phosphorus-containing fertilizer granules in a two-stage, residue-free process. The spray-granulated, plant-available fertilizers can be directly filled, distributed and applied in the field. The pollutant content of the new fertilizers is significantly below the limits of the DüMV. (German article)

» Author: Jan Kirchhof, Senior Sales Manager Process & Plant Engineering, Glatt Ingenieurtechnik GmbH

» originally published in the magazine WWT Wasserwirtschaft Wassertechnik issue 10/2019, p. 17-20 (Deutscher Fachverlag)