Does anyone have experience with drying and pelletizing animal waste? What type of value as fertilizer would this have? I suppose you run it through a screw press to get the water out and then pelletize and dry? Please advise.
Working on a dairy farm with most likely a plug flow digester. Need to get nutrients out of effluent in a transportable form to sell as fertilizer because there is no cropland at the dairy site on which to spread the waste. Water doesn't need to be potable, but must not contaminate surfacewater...
What chemical processes are commercially available that treat digester effluent leaving solids in a form that could be handled and sold as fertilizer? Water must leave process clean enough avoid surface water issues. Thanks, Bastean