Patents for C10L 9 - Treating solid fuels to improve their combustion (3,817)
07/1980
07/22/1980US4213765 Oxidative coal desulfurization using lime to regenerate alkali metal hydroxide from reaction product
07/22/1980US4213752 Coal drying process
07/15/1980US4212651 High gradient magnetic beneficiation of dry pulverized coal via upwardly directed recirculating fluidization
07/01/1980US4210423 Solid fuel use in small furnaces
07/01/1980US4210422 Removal of sulfur compounds from coal during pipeline transport
07/01/1980CA1080650A1 Method for preparing low-sulfur, low-ash fuel
06/1980
06/24/1980CA1080248A1 Flavorant-release resin compositions
06/17/1980US4208307 Desulfurization, electrode-grade carbon
06/17/1980US4208188 Consolidation of coal slurry
06/03/1980US4206288 Biooxidation of pyrites using thiobacillus ferrooxidans
06/03/1980CA1078774A1 Process for manufacturing a carbonaceous material
06/03/1980CA1078610A1 Process for treating coal and products produced thereby
05/1980
05/27/1980US4204840 By heating a coal slurry in the presence of oxygen with the ph controlled by adding an alkaline metal base
05/20/1980US4203960 Heating with aid of a recycle gas
05/20/1980US4203839 Adding calcium salt
05/20/1980US4203729 Dehydration, surfactant
05/20/1980US4203727 Slurrying wiht a solvent
05/20/1980CA1077871A1 Process for liquifying coal
05/14/1980EP0010889A1 Composition for treating particulate hydrocarbon fuel, and fuel treated therewith
05/13/1980US4202756 Process for the production of solvent-refined coal useful as starting material for other carbonaceous products
05/13/1980US4202734 Method for producing calcined coke pellets
05/06/1980US4201657 Coal spray composition
05/06/1980US4201551 Acidification in the presence of a quaternary ammonium compound
04/1980
04/30/1980EP0010289A1 Mild oxidative coal desulfurization
04/29/1980US4200521 Catalytic hydroprocessing of solvent refined coal to provide a liquid and a solid fuel
04/22/1980US4199325 Absorption of carbon dioxide
04/22/1980CA1075894A1 Process and installation for drying and heating coal
04/15/1980US4198291 Float-sink separation of coal with liquid SO2
04/15/1980US4198273 Apparatus for producing petroleum coke calcinate
04/08/1980US4197090 Process for removing sulfur from coal
04/08/1980CA1075265A1 Hydrocarbon-substituted methylol phenols
04/03/1980WO1980000572A1 Desulfurization of carbonaceous materials
03/1980
03/20/1980WO1980000450A1 Method of producing pulverulent carbonaceous fuel
03/18/1980US4193554 Method and apparatus for the drying and fine-grinding of coal
03/11/1980US4192652 Process for preparing sulfur-containing coal or lignite for combustion having low SO2 emissions
03/11/1980US4192651 Flashing
03/11/1980US4192650 Process for drying and stabilizing coal
02/1980
02/26/1980US4190421 Fuel additives control slag
02/12/1980US4188191 Process for reducing the sulfur content of coal and coal char and the ignition temperature of coal char
02/12/1980CA1071403A1 Preconditioning treatment of coal to minimize agglomeration
01/1980
01/29/1980US4185395 Method for thermal dehydration of brown coal
01/15/1980US4183730 Hydrodesulfurization of coal with hydrogen peroxide in brine solution
01/08/1980CA1069450A1 Treating solid fuel
01/01/1980CA1069155A Stabilized suspension of carbon in hydrocarbon fuel and method of preparation
12/1979
12/11/1979US4178150 Process and installation for drying and heating coal
12/04/1979CA1067285A1 Process for improving coal
11/1979
11/27/1979US4176041 Heat treatment, iron oxide and sulfur co-catalyst reduction
11/27/1979US4176010 Method of producing petroleum coke calcinate
11/27/1979US4175924 Treatment of coal with metal containing compounds
11/27/1979CA1067028A1 Combination coal deashing and coking process
11/27/1979CA1066892A1 Process for reducing the fusion point of coal ash
11/20/1979US4174953 Process for removing sulfur from coal
11/13/1979CA1066054A1 Process for upgrading lignitic-type coal as a fuel
11/06/1979US4173530 Methods of and apparatus for cleaning coal
11/06/1979US4173454 Method for removal of sulfur from coal in stoker furnaces
11/01/1979WO1979000870A1 Process for separating solids from coal liquids
11/01/1979WO1979000869A1 Improved method for separating solids from coal liquids
10/1979
10/17/1979EP0004717A2 Improved method for separating solids from coal liquids
10/17/1979EP0004716A2 Process for separating solids from coal liquids
10/09/1979US4170456 Inhibiting spontaneous combustion of coal char
10/02/1979US4169767 Process for calcining coke
10/02/1979US4169710 Process for comminuting and reducing the sulfur and ash content of coal
09/1979
09/25/1979US4169170 Control of dust during coal transportation
09/25/1979CA1062967A1 Coating coal with wetting agent followed by treatment with coal for emulsion
09/18/1979US4168148 Coal desulfurization
09/11/1979US4167397 Coal desulfurization
08/1979
08/28/1979CA1061306A1 System for the safe handling of pulverized coal
08/21/1979CA1060827A1 Desulfurization of coke
08/14/1979CA1060211A1 Process for producing a gaseous product from carbonaceous material
07/1979
07/31/1979US4162898 Leaching with sodium nitrate, sodium nitrite and sodium hydroxide
07/24/1979CA1058869A1 Wood fly ash reduction method
07/10/1979US4160814 Thermal desulfurization and calcination of petroleum coke
07/10/1979US4160813 Method for heat treating carbonaceous material in a fluidized bed
06/1979
06/27/1979EP0002633A1 Use of water soluble polymers in coal flotation circuits and process for its preparation
06/19/1979US4158548 Process for removing sulfur from coal
06/19/1979US4158541 Apparatus for calcining green coke
06/19/1979CA1056751A1 Desulphurizing char
06/12/1979CA1056322A1 Process for reducing the sulphur content of coal and coal char and the ignition temperature of coal char
05/1979
05/29/1979US4156593 Slurrying, comminution, cavitation, contacting with a resonant vibration transmitter
05/22/1979US4155717 Forming water-soluble sulfur compounds
05/22/1979US4155716 Treating particles with alkali metal silicate or alkaline earth metal silicate in water
05/22/1979US4155715 Magnetic or electrostatic removal of iron sulfides followed by hydrogenation of organosulfur compounds
05/22/1979US4155313 Utilization of solid material containing combustible matter
05/22/1979CA1054962A1 Dry distillation process for treating butiminous or oil-containing material
05/08/1979US4153538 Use of deashed coal as a flushing agent in a coal deashing process
05/08/1979US4153419 Agglomeration of coal fines
05/01/1979US4152120 To form sulfides and polysulfides of the alkali and alkaline earth metals
04/1979
04/17/1979CA1052719A1 Process for making low-sulfur and low-ash fuels
04/10/1979US4148692 Process for producing low reactivity calcined coke agglomerates
04/10/1979US4148614 Process for removing sulfur from coal
04/10/1979US4148613 Process for preparing sulfur-containing coal or lignite for combustion
04/10/1979CA1052313A1 Calcination of coke
04/03/1979CA1051827A1 Sink float apparatus for cleaning coal and methods usable therein which employ halogenated hydrocarbon parting liquids
03/1979
03/27/1979US4146434 Calcination in the absence of oxygen
03/27/1979US4146367 Reacting with iron pentacarboxyl
03/27/1979US4146366 Method of removing gangue materials from coal
02/1979
02/27/1979US4141691 Use of water soluble polymers in coal flotation circuits
02/06/1979US4138223 Manufacture of pellets from coal liquefaction products
02/06/1979US4138222 Agglomeration, circulation of undersized particles
02/06/1979US4138221 Manufacture of pellets from coal conversion products
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