5587081 Thermophilic aerobic waste treatment process
New Patents
5587065 MOBILE SYSTEM FOR THE COLLECTION, SEPARATION AND DISPOSAL OF WET SOLID, OILY AND/OR WATERY WASTE Bums Thomas J Aurora, OH, UNITED...
5587065 MOBILE SYSTEM FOR THE COLLECTION, SEPARATION AND DISPOSAL OF WET SOLID, OILY AND/OR WATERY WASTE Bums Thomas J Aurora, OH, UNITED STATES assigned to H20il Inc A system is provided for handling of watery, oily waste which constitutes a closed vessel divided into two chambers by a dividing wall,such that lower chamber portions are in fluid communication. The vessel contains an inlet for flowing fluid into the upper portion of one chamber, an upper outlet for the other chamber, an air passage connecting upper portions of the chambers and effective for maintaining normal liquid levels in the two chambers, a sensing device in the one chamber and a discharge conduit for the first chamber which is controlled selectively by the sensing device.
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recycle air ratio can be controlled by several different mechanisms so as to produce the desired temperature range. The air is also utilized to mix the sludge within the tank. A pumping apparatus is also provided for transfeming sludge into and out of the tank and for recirculating the sludge for purposes of auxiliary mixing. The pump can also be utilized in conjunction with an eductor for drawing fresh air into the sludge. A ‘process controller is advantageously useable in conjunction with the various equipment to control the overall system.
5590791 METHOD AND APPARATUS FOR SORTING WASTE
5587081 THERMOPHILIC AEROBIC WASTE TREATMENT PROCESS Norcross Kenneth L; Li Yanlong Edwardsville, KS, UNlTED STATES assigned to Jet-Tech Inc A system for thermophilic aerobic destruction of pathogenic organisms and organic matter within waste water treatment sludge includes a tank for maintaining the sludge and an air transfer apparatus for injecting air into the sludge near the bottom thereof so as to bubble up through the sludge and react exothermically with the thermophilic microorganisms therein so as to kill or destroy the mesophilic micro- organisms within the sludge. The thermophilic reaction is preferably controlled within a desired temperature range by control of the flow of fresh air versus recycled air being injected into the sludge. The fresh air to
Gschweitl Karlhein Grosspesendorf, AUSTRIA assigned to Binder & Co Aktiengesellschaft An apparatus for sorting pieces of waste of materials having different properties comprises a disk revolving about a substantially vertical axis and comprising a conically upwardly and outwardly tapering rim defining a conveying path, which is concave in cross section, the rim constituting an outer guide wall, and a feeding device for feeding successive pieces to the revolving conveying path at a feeding station. The revolution of the conveying path generates a centrifugal force holding the pieces against the outer guide wall, and a sensor device is arranged along the conveying path for sensing the different properties of the successive pieces. Devices controlled by the sensor device remove single pieces at discharge stations dependent on the sensed properties of the pieces.