Class 201/24 - Coals only

Subclass of Class 201 - Distillation: processes, thermolytic
Definition: Processes in which the feed is a mixture of coal materials.
No. of patents: 33
Last issue date: 07/03/2007

Number	Title	Issue Date
7237737	Process plant for recycling powder coating fines The present invention provides a process for recycling fines produced during the production of powder coatings comprising the steps of heating the fines for a sufficient time and a sufficient temperature such that a reusable product is obtained, cooling such product...	07/03/2007
6911058	Method for producing clean energy from coal A method for producing clean energy from coal by feeding the coal in a reactor which is sealed to the atmosphere and moving the coal in the reactor while injecting oxygen to combust a portion of the coal in a substoichiometric mode to devolatilize the coal and yield...	06/28/2005
6830660	Method for producing metallurgical coke In a method of producing coke for metallurgy by carbonizing a coal blend obtained by blending plural raw coals in an coke oven, a coal blend containing not less than 60 wt % of a medium coking coal of middle coalification degree and low fluidity having an inert comp...	12/14/2004
6033528	Process for making blast furnace coke A blast furnace coal is produced by rapidly heating a coal blend having 10 to 30% by weight of a non-slightly-caking coal having softening initiation temperature T with the balance including a caking coal having softening initiation temperature T0	03/07/2000
5961786	Apparatus for a circulating bed transport fast pyrolysis reactor system This invention generally relates to a new method and apparatus for the fast pyrolysis of carbonaceous materials involving rapid mixing, high heat transfer rates, precisely controlled short uniform residence times and rapid primary product quench in an upf...	10/05/1999
5792340	Method and apparatus for a circulating bed transport fast pyrolysis reactor system This invention generally relates to a new method and apparatus for the fast pyrolysis of carbonaceous materials involving rapid mixing, high heat transfer rates, precisely controlled short uniform residence times and rapid primary product quench in an upf...	08/11/1998
5789636	Process for recovering synthetic raw materials and fuel components from used or waste plastics The invention concerns a process for recovering synthetic raw materials and fluid fuel components from used or waste plastics in accordance with patent application P 43 11 034,7. At least a partial flow of the depolymer produced according to this process ...	08/04/1998
5423951	Process of continuously making coke of high density and strength Pieces of coke of high density and strength are made continuously from fine particles of bituminous or subbituminous or lignite coals or of mixtures thereof. The particles are generally oxygenated, mixed with water, compressed to squeeze out some of the w...	06/13/1995
4943367	Process for the production of high purity coke from coal High purity coke particularly suited to the production of anodes for aluminium smelting is produced by an integrated process that includes flash pryolysis and delayed coking. In the integrated process, flash pyrolysis of carbonaceous materials such as coa...	07/24/1990
4557733	Formcoke process Green coal is charred in pre- and post- treatment carbonizers, then crushed, mixed with pitch, briquetted, tempered in a tempering oven, recirculated with succeeding green coal to char in a reducing atmosphere through only the latter part of the pre-treat...	12/10/1985
4419186	Process for making strong metallurgical coke The strength and density of a metallurgical coke produced in a slot coke oven are both increased by replacing at least a part of the normal loose charge in the oven with compacted materials and fragments thereof made from a mixture of particularly sized p...	12/06/1983
4385962	Method for the production of coke Production of coke from coal is improved by mixing self-feeding coal with compacted non self-feeding coal prior to carrying out the coking process. Preferably, there is about 10% to about 60% by weight of the non self-feeding coal based on the total charg...	05/31/1983
4370201	Process for maintaining coal proportions in a coal blend A process is described for maintaining the proportions of each coal in a coal blend at a desired level. The process involves (1) making a spectral analysis, preferably by infrared spectrometry, of at least one sample of the coal blend, the sample having known ...	01/25/1983
4318779	Method of manufacture of blast furnace cokes containing substantial amounts of low grade coals Blast furnace coke containing low grade coal in a high blending ratio is manufactured by a method which comprises blending not less than 60% of a blended coal having an adjusted total moisture content of not more than 4% with not more than 40% of briquett...	03/09/1982
4303494	Continuous reaction/separation method for nucleated growth reactions A solid product resulting from the nucleated growth of the product on solid material of either the same or different composition and having a density higher than the reaction medium is formed from one or more liquid phase reactants by a method which compr...	12/01/1981
4259083	Production of metallurgical coke from oxidized caking coal A three step process is provided for producing high strength metallurgical coke from high volatile caking coals. Firstly, the caking coal is oxidized by heating the coal in an oxygen-containing atmosphere for a period of time. Secondly, the oxidized cakin...	03/31/1981
4225391	Method of preparing coals for coking A method of preparing coals for coking in a conventional coke oven includes agglomerating the loose coal, in combination with a binder, into flakes, mixing the flakes with non-agglomerated coal, and charging the mixture into the coke oven in the conventio...	09/30/1980
4202734	Method for producing calcined coke pellets An improved method for producing calcined coke agglomerates having good stability including adjusting the fluidity of coals or blends of coals to within a range of 1300 DDPM and 3000 DDPM, mixing the coals or blends of coals with char and optionally toppe...	05/13/1980
4201655	Process for making metallurgical coke An improved process for making metallurgical coke is provided as follows. An effluent slurry consisting essentially of coal extract, solvent and undissolved coal is obtained from the liquefaction of coal by solvent extraction. Solvent is removed from the ...	05/06/1980
4196051	Method for producing coke from fine and coarse coal Adjacent alternating rows of relatively coarse and fine coal are deposited onto a horizontal moving grate running through a coking furnace....	04/01/1980
4186054	Process and apparatus for producing blast furnace coke by coal compaction The method of producing blast furnace coke by (1) compacting a finely divided coal wherein at least about 60% by weight of the coal has a diameter of less than about 1/8 inch to form a coal compact, which compact immediately after removal from the compact...	01/29/1980
4164469	Method of cleaning phenol-containing waste waters A method of cleaning phenol-containing waste waters as derived from coke-producing, chemical and other industrial processes comprises treating the waste water, generally without any preconcentration of the phenol content thereof or other prior treatment, ...	08/14/1979
4156595	Formcoke process and apparatus A process for producing formcoke composed of char and selected binders comprising process steps in which non-oxidative thermal carbonization is employed....	05/29/1979
4141793	Process for preparation of coke and carbonizer therefor A horizontal circulating carbonizer comprising an annular horizontally rotatable circulating hearth disposed rotatably, a carbonizer body covering said hearth, a coal feeder equipped on the carbonizer body, a preheating zone disposed in the vicinity of sa...	02/27/1979
4117098	Process for manufacturing a carbonaceous material Process for manufacturing an isotropic carbonaceous material having a high density and a high crushing strength which comprises the steps of (a) extracting a reformed coal from at least one component selected from the group consisting of brown coal, ligni...	09/26/1978
4113602	Integrated process for the production of hydrocarbons from coal or the like in which fines from gasifier are coked with heavy hydrocarbon oil Char fines produced by the gasification of coal or other carbonaceous solids are coked in the presence of heavy hydrocarbon oils, preferably 1000° F.+ bottoms products from a coal liquefaction process, to produce gaseous products, liquids, and larger cok...	09/12/1978
4110169	Method for manufacturing high-strength formed coke in slight mutual agglomeration using horizontal type coke oven battery A plurality of different types of raw material coal fines are sieved to a size not exceeding 1.5 mm; said sieved raw material coal fines are blended so as to satisfy the following conditions: (a) AP index: 75 at the minimum, (b) Mean maximum reflectance: 1.20%...	08/29/1978
4105501	Method for producing metallurgical coke With the use of low-fluidity blended raw material coal fines having a maximum fluidity of up to 20 d.d.p.m. as an inner core material, and coal fines having a maximum fluidity of at least 30 d.d.p.m. or a bituminous material having a C/H ratio of from 0.7...	08/08/1978
4102750	Process for producing formed coke for metallurgical use Process for producing formed coke for metallurgical use from coal powder by continuously heating with a high temperature gas as heating medium for carbonizing agglomerated coal which are made of coal powder and a binder such as coal tar, pitch and petrole...	07/25/1978
4100031	Process for preparing blast furnace cokes A process for preparing blast furnace cokes which contain large amounts of low-grade coal which comprises the steps of adding a binder to a coal for making briquettes which comprises a substantially low-grade coal such as non- and/or poorly-coking coal; e...	07/11/1978
4050990	Method and apparatus for producing form coke A method of producing form coke that is coke having pieces of substantially identical form using a heated shaft furnace comprises mixing fine coke with a caking coal and pressing the mixture at temperatures at which the mixture is plastic in order to form...	09/27/1977
3985637	Process for separating and recovering liquid products from solid and liquid substances A substance to be treated for the production therefrom of useful products (usually decomposition products) is formed into a bed on a perforate support, the bed having a thickness of up to about one inch. An inert atmosphere is maintained above and in cont...	10/12/1976
3969088	Formcoke process Raw coal is charred in pre- and post-treatment carbonizers, then pulverized, mixed with pitch, briquetted, re-circulated through the pre- and post-treatment carbonizers with succeeding green coal, cooled, and finally separated from the as yet un-briquette...	07/13/1976

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Class 201/24 - Coals only