Nature's Blend An organic fertilizer based upon the biosolids product of RDP's EnVessel Pasteurization System. The process pasteurizes sludge waste into Class A pathogen-free biosolids through a combination of lime and heat. Direct operating costs are generally between 1 - 2 cents per gallon. A new type of live bottom bin feeder for silos and storage piles. Loads 20 yard trucks in a matter of minutes.
Several systems are in operation handling lime stabilized sludges.