Patent ID: 7089684

Claim:
A system for processing biosolids from a sludge pond into fertilizer comprising: (a) a portable dewatering system for removing liquid from sludge, said portable dewatering system having: a collection device for collecting sludge from said sludge pond; a centrifuge for removing liquids from said sludge collected by said collection device to create a biosolids composition; and a transfer device to transfer said biosolids composition from said centrifuge; (b) a transport vehicle for receiving said biosolids composition from said transport device, said transport vehicle transporting said biosolids from said sludge pond to a fixed processing plant; and (c) the fixed processing plant having: a mixer for mixing a stabilizing agent with said biosolids composition to create mixed biosolids; a heating and sterilising system to heat and sterilize the mixed biosolids and for extruding sterilized pellets; and a drying system for drying the pellets, wherein said pellets can be used as fertilizer.