Abstract: Apparatus and system for carrying out the air separation of waste wherein the waste is transported by conveyor to the input location of the housing of the apparatus, whereupon it is dropped. A fan having a selectively directed dual airstream is positioned to provide airstream interception of the material stream falling to a confrontation region. Baffling is provided to substantially eliminate turbulence as may be caused by the fan. Separation is developed at three outlets beneath a plenum of the apparatus and a deflector is positioned between that outet receiving organic and that outlet receiving plastic categorized materials. To improve separation, deflectors are mounted vertically on the housing walls to increase airstream velocity. Airstream guidance, deflection and baffling are made adjustable to tune the system to accommodate for variations in the consistency of waste.

Abstract: Self-propelled windrowing apparatus having a forward material treatment housing carrying an elevating structure formed as a drum carrying a plurality of pivotal flails. The flails serve to shred and aerate biodegradable waste and elevate it to a collection auger which manipulates the elevated material to a transfer conveyor mounted within the chassis of the apparatus. The transfer conveyor moves the material to a pivotal windrowing conveyor mounted rearwardly of the apparatus which serves to form symmetrical windrow piles of material.

Abstract: Windrowing apparatus utilizing a windrowing conveyor which confronts an elongate row of biodegradable material for agitating and transferring it. The apparatus has two rearwardly disposed drive wheels which are fixed to a rigid frame and are selectively driven by hydraulic motors. The wheels have fixed axes to carry out pivotal turns. A third wheel forwardly disposed in a location remote from the row of material being windrowed provides the third component of a three point support. An internal combustion engine is mounted on the rigid frame to provide a primary source of power to hydraulic motors driving the rear wheels and the conveyor itself.