Class 44/490 - PEAT

Subclass of Class 44 - Fuel and related compositions
Definition: Composition including peat, which is defined as partly decayed
No. of patents: 26
Last issue date: 03/24/2009

Number	Title	Issue Date
7507265	Method and equipment for producing horticultural and fuel peat and a fuel peat product A method is disclosed for producing horticultural or fuel peat, in which the peat is removed from a bog, the removed peat is transferred from the bog to a drying field a distance away, in which the moved peat is dr...	03/24/2009
5972058	Method of treating waste sludge The invention relates to a waste sludge treatment process in which a solid additive is mixed into sludge to produce solid products. The solid additive includes aggregate-like hydrophobic grains of peat....	10/26/1999
5759225	Culture soil, process for producing the same, and seedling-growing peat board Peat moss having water repellency when it is dry is used as culture soil by subjecting it to a water repellency preventing treatment. In addition, a seedling-growing peat board with few germs and impurities, being lightweight and easy to handle, and parti...	06/02/1998
5413618	Method for the production of a peat substitute, installation for implementing said method, drying device, application of said method, and peat substitute produced according to said method Organic materials, more particularly wood and woody parts of plants, are intensely crushed, defibrated, heated and physically broken up in a thermal screw press, an impregnation with previously added auxiliary substances being simultaneously effected. The...	05/09/1995
5009697	Liquid organic peat fertilizer and process of preparing same A novel process has been provided for the preparation of both a liquid peat extract substantially-free from biologically-undesirable concentrations of metal elements and compounds, and a solid peat residue substantially-free from biologically-undesirable ...	04/23/1991
4810257	Mechanical dewatering process An improved mechanical dewatering process wherein high moisture content organic carbonaceous materials are mixed with hard, non-porous particulates prior to mechanical dewatering by conventional methods, and the particulates are removed after mechanical d...	03/07/1989
4762529	Novel fuel for use in energy generating processes A novel fuel composition containing the alcohol-soluble portion of the product obtained as a result of the mild reaction of a lignin-containing material with nitric acid and a component selected from the group consisting of water, methanol, ethanol mixtur...	08/09/1988
4760803	Process for generating energy in a furnace or combustion engine A process for generating energy in a furnace or combustion engine which comprises burning therein the novel alcohol-soluble portion of the product obtained as a result of the mild reaction of a lignin-containing material, such as peat, with aqueous nitric...	08/02/1988
4759773	Method of preventing energy loss, self-heating and self-ignition in peat stacks The invention relates to a method of preventing the energy loss, self-heating and self-ignition of a peat stack. The rick storage of peat is often connected with a heating caused by exothermal reactions, which causes energy losses of the peat and even sel...	07/26/1988
4720287	Low temperature thermal-chemical pretreatment process for peat dewatering This invention concerns dewatering peat by heating it and subjecting it to a surface active agent, preferably a cationic polymeric surface active agent and subsequently pressing the product to yield a peat product with lowered moisture content....	01/19/1988
4671802	Chemical enhanced fuel peat dewatering The present invention relates to an improved process of chemically enhanced peat dewatering by pretreatment of the peat substance with an acid and a cationic polyelectrolyte before mechanical dewatering....	06/09/1987
4668243	Novel fuel A process for generating energy in a furnace or combustion engine which comprises burning therein the novel alcohol-soluble portion of the product obtained as a result of the mild reaction of a lignin-containing material, such as peat, with aqueous nitric...	05/26/1987
4650495	Method for stabilizing dried low rank coals A method for pyrophoric particle protection of carbonaceous material particularly low rank coals where the material is simultaneously coated with a treating agent and cooled by a fluidizing gas....	03/17/1987
4597928	Method for fiberboard manufacture Disclosed in accordance with the invention is a method for fiberboard manufacture comprising the steps of steaming and grinding woodchips to obtain a wood pulp, using said wood pulp to prepare a slurry of wood pulp in water, mixing said slurry with a bind...	07/01/1986
4532873	Suspension firing of hog fuel, other biomass or peat A method is described for preparing hog fuel, other biomass, or peat for efficient burning and heat recovery in a water-wall boiler. The process requires drying the fuel to less that a 30% moisture content. The fuel is then pulverized to an upper particle...	08/06/1985
4459149	Process for treating humus materials Peats, mucks, soils, anaerobic sludges, lignites and other humus materials containing humic substances are slurried in the natural wet state with additional water at low pH to free humic acid from salts it may have formed in the natural state and to dispe...	07/10/1984
4437863	Peat fuel slurry A process and product for a peat fuel composition which comprises dispersing peat loaded at about 30-50% by weight of the composition and normally containing 20-50% H2 O in a fuel oil mix which is 40-50% No. 6 and 10-20% No. 2 fuel oil. Alterna...	03/20/1984
4402275	Process for the continuous blowing of fine-particled reducing agents consisting predominantly of mineral coal into a shaft furnace A mixture of fine-particle mineral coal and a fine-particle solid carrier of carbon is stored in a bulk store from which the mixture is withdrawn and continuously blown into a shaft furnace, e.g. a blast furnace. Sufficient carbon carrier is used to loose...	09/06/1983
4357758	Method and apparatus for drying objects Objects constituted by a porous web-like material, such as a paper web, a granular material, such as peat, or a solid material such as wood, are dried by placing the same in contiguity with a fine porous liquid suction surface which itself is in liquid co...	11/09/1982
4339882	Organic solid substrate dewatering process utilizing primary and secondary solvents A method of removing water from organic solid substrates, such as peat, wherein a primary solvent is used to extract water from the substrate and a secondary solvent is used to separate the primary solvent from the water....	07/20/1982
4259084	Pretreatment of solid, naturally-occurring carbonaceous material Solid, naturally-occurring carbonaceous materials such as coal, lignite, peat and the like are treated by oxygen-alkylation or oxygen-acylation employing a phase transfer reaction under mild conditions. The treated coal may then be liquefied, gasified, py...	03/31/1981
4237101	Process for treating solid carbonaceous fossil fuels and the products thus prepared Solid carbonaceous fossil fuels such as coal, lignite and peat are treated with an aqueous medium containing a novel catalyst to remove undesirable constituents and produce valuable products. The catalyst is prepared by steps including admixing a water so...	12/02/1980
4223449	Heat-efficient method for dewatering solids Water is removed from a hydrocarbonaceous solid such as peat by contacting the solid with a liquid solvent relatively free of moisture such as benzene or toluene at elevated temperatures, i.e. 200°-600° F. and preferably at elevated pressures to prevent...	09/23/1980
4170515	Process for bleaching peat moss and resulting product A process for bleaching peat moss at acid pHs to produce a peat moss product of enhanced color and which substantially maintains its original structure....	10/09/1979
4153420	Process for wet carbonizing of peat A process for the wet carbonizing of peat, wherein the peat is diluted and screened to become a raw peat suspension in a suspension preparing apparatus, the peat suspension thus obtained is preheated in series-connected heat exchangers and in a preheating...	05/08/1979
4084938	Process for treating solid carbonaceous fossil fuels and the products thus prepared Solid carbonaceous fossil fuels such as coal, lignite and peat are treated with an aqueous medium containing a novel catalyst to remove undesirable constituents and produce valuable products. The catalyst is prepared by steps including admixing a water so...	04/18/1978

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Class 44/490 - PEAT