Patent ID: 6368500
Filing Date: 2002-04-09
Classification: B03B,Y02W

Abstract:
A system for treatment of unsorted collected waste, comprising:a waste receiving pit; a least one first separator for separating the received waste between first waste material having a specific gravity equal or less than that of water and second waste material having a specific gravity above that of water and continuously removing said first and said second waste material from the first separator as it is separated; at least one crusher for continuously receiving said first waste material, substantially crushing at least a particulate portion thereof to a smaller particulate form to obtain treated waste material and producing a liquid product comprising water carrying the treated waste material; at least one acetogenic fermentor for receiving said liquid product and for anaerobic acetogenic fermentation thereof to produce a first fermented effluent; at least one methanogenic fermentor for receiving said first fermented effluent and for anaerobic methanogenic fermentation thereof to produce a second fermented effluent; at least one liquid feed line for feeding at least one of said first of said second effluent into one or more of the system's devices or subsystems including at least one of said first separator and said crusher.