HoSt supplies thermal pre-treatment systems with on the one side the goal to meet the European guidelines for treatment of categorized waste (animal waste or waste with animalistic components) and on the other side the goal to increase the biodegradability of the products.

HoSt supplies hygienisation for cat. 2 and cat. 3 waste. The hygienisation units for cat. 2 waste are used preceding the digestion process, in accordance with the European guidelines. Through a steam injection, the material is heated up to 133°C at a pressure of 3 bar, for 20 minutes. A cat. 3 hygienisation unit can be used preceding the digestion process or for hygienisation of the digestate. Cat. 3 material is sanitized for 1 hour at 70°C.