51
John E Murphy, William K Reynolds, C Neil Ott: Apparatus and method for processing organic refuse. Rey Tech, Woodard Emhardt Naugton Moriarty & McNett, December 8, 1992: US05169782 (21 worldwide citation)

An apparatus for the composting of fermentable organic refuse includes a rotating digester tube with a feed auger continuously providing refuse to the tube and a number of discharge outlets at the distal end of the tube. A number of agitating vanes extend along substantially the entire length of the ...


52
Jeremy F Criss: Organic material recycling method and device. Anthony J DeLaurentis, August 25, 1981: US04285719 (21 worldwide citation)

A biological toilet and an organic material recycling method in which human liquid and solid waste (i.e., excrement) and cellulosic material and, optionally, kitchen waste (i.e., food and paper scraps and the like kitchen garbage) are deposited into a receptacle and carried by pressure differential ...


53
James M Easter II: Method for composting sludge. Walter G Finch, November 20, 1984: US04483704 (21 worldwide citation)

The invention is a method for composting sludge to a useable state. The method of the system eliminates the usual objectionable odors. The method consists of a thorough mixing of the sludge with carbonaceous material, layering the mixture in a silo and moving it through the silo on a timed interval ...


54
Chester Francis B: Aerobic/anaerobic composting device and method of composting. Hamilton Hanse H, June 17, 1975: US3890129 (21 worldwide citation)

An aerobic-anaerobic composting device and method of composting organic waste materials. The composting device disclosed is a free-standing rotatable wheel which has an open mesh material on its exterior sides and ends. After the organic waste material is placed in the wheel, a removable cover is pl ...


55
David B Jermstad: Semi-solid activated sludge bioremediation of hydrocarbon-affected soil. Stan Jones, August 9, 1994: US05336290 (21 worldwide citation)

The invention relates to a method of recycling contaminated soil so as to form a balanced non-contaminated soil with an increased water-holding capability. More particularly the invention combines two waste products, namely hydrocarbon-affected soil and activated sewage sludge, in order to create a ...


56
Roderic Johansen: Composting bin apparatus with U-shaped connecting members. Robert M Bellomy, October 1, 1991: US05052570 (20 worldwide citation)

The present invention relates to composting bins assembled from at least one elongated sheet of semi-rigid, flexible material with a means for locking the near and far ends of the elongated sheet together while the near and far ends overlap to form the enclosed space for containing decomposing organ ...


57
Steven B Mullerheim, Fred G Williams Jr: Filtration with a compostable filter medium. Great Circle Associates, Thomas M Freiburger, January 30, 1979: US04137062 (20 worldwide citation)

A method and apparatus for treating wastewater such as sewage are disclosed. Designed principally for complete on-site wastewater treatment and disposal, the system separates wastewater into liquid wastes and solid wastes by filtration, treats the liquid wastes with a mild oxidizing agent and disper ...


58
William M Bell, David A Del Porto: Integrated solar heated resource transformation system. Edward J Collins, November 13, 1979: US04174371 (20 worldwide citation)

A system providing for the temperature and humidity controlled aerobic composting of organic materials is described. The system includes at least one composting chamber, at least one thermal mass, ducts for conveying air from the vicinity of the thermal mass to a composting chamber, at least one sol ...


59
Stephen Varro: Process of conversion of solid waste into workable material with predetermined characteristics and/or into fertilizers or soil improving agents. Staas & Halsey, September 27, 1977: US04050917 (20 worldwide citation)

A process for composting waste material by controlling the amount of aeration, the pH value of the moisture content and the temperature of the material during composting. The resulting material has a pH value of approximately 7.3 and a moisture content within the range of 10-30%. The carbon-nitrogen ...


60
Griffin Gordon Douglas: Form of tined shaft and constructions of composting machine. Parmelee Miller Welsh & Kratz, February 12, 1974: US3791593 (20 worldwide citation)

A composting machine for stacking compost material comprising a wheeled frame having a conveyor or roller for feeding the material towards the rear of the machine at a low velocity onto sets of rapidly rotatable members. These members are angled relatively to the central vertical plane of the machin ...



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