Patent ID: 7005077

Claim:
A system for treating and removing solid waste from a shipboard toilet system for shipboard human waste disposal comprising: one or more toilet valves; a solid waste separation tank; a shipboard toilet system including one or more vacuum-operated toilets, each of which connects to said toilet valve and to said solid waste separation tank; a liquid/solid separating screen disposed across the entire width inside said separation tank; a liquid removal conduit connected to said separation tank to capture liquid that passes through said liquid/solid separating screen mounted within said separation tank; a vacuum pump connected directly to said liquid removal conduit; an interim storage tank; a solid waste conduit connected to said waste separation tank and said interim separation tank to carry solid wastes out of the solid waste separation tank and into the interim storage tank; an outlet solid waste conduit; a control valve connected to said outlet solid waste conduit to control solid waste passage; a solid waste compaction chamber, said compaction chamber having a helical compaction blade; an electric motor connected to said helical compaction blade for rotating said helical compaction blade; a liquid collection tank; a liquid output conduit connected to said liquid collection tank; a compacted waste storage tube inclined at approximately a 45-degree angle above the horizon connected to said compaction chamber and the output of said helical compaction blade; said compaction chamber including a plurality of drain holes in the compaction chamber to allow excess liquid to flow into said liquid collection tank during said helical compaction blade movement; and a solid waste collection member connected to the output of said compaction chamber to collect solid waste for removal from said ship.