From the input of waste from the Wehling biogas production line after being filtered, the fertilizer production line will produce the fertilizer product branded DEPOT-PLANT®.

Diagram of production line of DEPOT-PLANT® fertilizer

Waste from the Wehling biogas production line after being filtered out will be passed to the disinfection plant and then taken to the STIR infrared dryer and sterilized. 

During storage at drying equipment, the amount of sludge residue is reduced with NH3.

The amount of residue after drying is transferred to the silo (storage tank) and then to the mixing chamber for homogenization. 

The mixture is brought to the mill. After grinding, the fertilizer is transferred to the pellet press and passed through the cooling system. 

Fertilizer is passed through the screening screen. Unsuitable pellets will be refilled and crushed and packaged to the market.