Commissioning of a digestate treatment unit of 175,000 t / year

France Evaporation, in partnership with Pöyry engineering, has recently commissioned a digestate treatment unit at the Gasum site of Topinoja in Turku (Finland).

The unit is equipped with several evaporators enabling to reduce by a factor of 12 the volume of digestate entering into the unit. A post-treatment by stripping allows the production of a nitrogen fertilizer containing 12% N.