Patent ID: 6284529
Filing Date: 2001-09-04
Classification: C05F,Y02P,Y02W

Abstract:
A plant for the biological treatment of solid organic waste, comprising in combination:a generally rectangular shaped treatment tank having a horizontal bottom with a narrower width and a longer length and vertically oriented side walls for receiving and treating a body of said organic waste,a trolley bridge extending across the width of the tank carrying a trolley movable back and forth along the length of the tank,feeding means including a conveying means for feeding said organic waste into a first side of the tank along the length of the tank,removal means carried by said trolley bridge for removing treated organic waste along the length of the tank from an opposite side of the tank,at least one screw propeller acting as stirring and pushing means carried by said trolley and movable back and forth along the trolley bridge across the width of the tank,programmed movement control means for moving the trolley and at least one screw propeller in a controlled movement pattern with the at least one screw propeller immersed in said body of organic waste thereby to plow in entirety the organic waste in the tank, andaerating means disposed upon the bottom of the tank for introducing air into the organic waste during movement of the trolley bridge.