51
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 ...


52
John G Laurenson Jr: Compost air injection and evacuation system with improved air control. Silverman Cass Singer & Winburn, June 6, 1989: US04837153 (20 worldwide citation)

The present invention provides a method and apparatus with improved fluid flow control for economical and efficient composting. The improved fluid flow control is provided by a lance having at least two separate fluid flow zones to provide a fluid flow profile in the compost. The flow zones are prov ...


53
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 ...


54
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 ...


55
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 (20 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 ...


56
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 ...


57
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 ...


58
Pannell Robert T: Compost processing machine. Mortenson & Weigel, December 24, 1974: US3856276 (20 worldwide citation)

The compost processing machine described is in the form of a wheeled main frame with receiving side panels at the front end and stacking gates at the rear end for traversing and processing compost into stacks. Mounted within the main frame is a pronged pick-up drum which lifts the compost and throws ...


59
Charles M Murray, Joel L Thompson, Lawrence H Hentz Jr: Methods for removing odors from process airstreams. Washington Suburban Sanitary Commission, Millen White & Zelano, February 19, 1991: US04994245 (20 worldwide citation)

After aerating sewage sludge in a composting process, a stream of process air is treated to remove odors therefrom by injecting into the airstream an atomized mixture of dilute sulfuric acid and dilute surfactant to remove ammonia and odorous organic compounds therefrom. The airstream is then oxidiz ...


60
Dinel Henri: Organic fertilizer containing compost. Dinel Henri, sWILKES Robert A, January 4, 2001: WO/2001/000011 (20 worldwide citation)

A process for converting composted organic material produced by optimized composting procedures into pure organic fertilizer for agronomic and other uses, particularly the expanding organic food market. It is essential that only organic wastes that are compatible with being certified organic are use ...



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