Patents
Sitemap › C10 - Petroleum, gas or coke industries; Technical gases containing carbon monoxide; Fuels; Lubricants; Peat › C10L - Fuels not otherwise provided for; Natural gas; Synthetic natural gas obtained by processes not covered by subclasses or; Liquefied petroleum gas; Use of additives to fuels or fires; Fire-lighters › C10L 9 - Treating solid fuels to improve their combustion
Patents for C10L 9 - Treating solid fuels to improve their combustion (3,817)
05/1982
05/26/1982EP0052334A2 Process for the production of solid, liquid and gaseous combustibles from organic materials
05/25/1982US4331446 Synthetic coal log
05/25/1982US4331445 Reduction of spontaneous combustion of coal
05/25/1982CA1124071A1 Agglomeration of carboneceous fines by a bonding agent and a siliceous material
05/19/1982EP0051623A1 Coal preparation.
05/18/1982CA1123773A1 Process for removing sulfur from coal
05/18/1982CA1123772A1 Process for removing sulfur from coal
05/18/1982CA1123771A1 Method and apparatus for heat processing pulverized brown coal
05/11/1982US4329156 Desulfurization of coal
05/05/1982EP0050608A1 Improved method of removing gangue materials from coal
05/04/1982US4328002 Methods of treating coal to remove sulfur and ash
04/1982
04/20/1982US4325707 Coal desulfurization by aqueous chlorination
04/20/1982CA1122015A1 Process for microbiologically leaching coke
04/13/1982US4324562 Method of improving the storage safety of pulverized brown coal
04/13/1982US4324559 Contacting with metal carbonyl and water under alkaline conditions
03/1982
03/30/1982US4322219 Moisture reduction
03/30/1982US4322218 SO2 Capture-coal combustion
03/30/1982CA1120879A1 Process for coal liquefaction
03/23/1982CA1120268A1 Powdered coal with an additive as fireside treating composition
03/17/1982EP0047500A2 Composition and process for reducing the strength of adhesion between solid particles coated with ice
03/17/1982EP0047310A1 Method for separating undesired components from coal by an explosion type comminution process.
03/16/1982US4319885 Wherein crops are pulped and burned with coal, the sulfur oxides produced are convertyed to salts
03/09/1982CA1119406A1 Consolidation of coal slurry
03/02/1982CA1119321A1 Beneficiation and dewatering of slurries
02/1982
02/09/1982US4314898 Process for reforming coal
02/02/1982US4313737 Method for separating undesired components from coal by an explosion type comminution process
01/1982
01/27/1982EP0044339A1 Current mirror circuit.
01/26/1982CA1117051A1 Hydroprocessing of solvent refined coal
01/26/1982CA1116853A1 Method of reducing sulfur emissions from brown coal-fired boilers by addition of calcium-based additive before combustion
01/26/1982CA1116840A1 Coal spray composition
01/19/1982US4311488 Agglomeration
01/19/1982CA1116545A1 Process for separating solids from coal liquids
01/19/1982CA1116544A1 Method for separating solids from coal liquids
01/12/1982CA1115967A1 Process for desulfurization of coal and ores
01/05/1982US4309192 Dehydration by mixing with hydrocarbon oil at elevated temperature and pressure and separating formed layers
01/05/1982US4309189 Method and means for producing sustained colored flames
01/05/1982US4308668 Process for heat treatment of coal
12/1981
12/29/1981CA1115431A1 Selective flocculation for increased coal recovery by froth flotation
12/15/1981US4305809 Calcium oxide additive
12/15/1981US4305726 Method of treating coal to remove sulfur and ash
12/08/1981US4304798 Hexitol borate compositions as freeze conditioning agents for particulate solids
12/08/1981US4304636 Applying a surfactant and an alcohol or lubricant
12/08/1981US4304573 Process of beneficiating coal and product
12/08/1981US4304571 Decarboxylation catalyst
12/01/1981US4303497 Desulfurization, demetalation and denitrogenation of coal
12/01/1981CA1113244A1 Single stage process for flashing to produce improved carbonaceous fuel and condensed liquids
11/1981
11/26/1981WO1981003337A1 Coal preparation
11/24/1981US4302207 Sulfur getter efficiency
11/17/1981US4300995 Oxygen-alkylation of carbonous material and products thereof
11/17/1981US4300994 Method for producing coke
11/17/1981US4300908 Solvent extraction and quantitative measurement of fluorescence
11/17/1981CA1112590A1 Thermal desulfurization and calcination of petroleum coke
11/17/1981CA1112589A1 Separation of solids from coal liquids using an additive
11/11/1981EP0039505A2 Synthetic coal log
11/03/1981US4298350 And converting solid organic fraction into powdered fuel
11/03/1981US4298349 Use of aldehydes as embrittling agents for waste
11/03/1981CA1111820A1 Method and apparatus for drying and finely grinding coal
11/03/1981CA1111796A1 Liquefaction of calcium-containing sub-bituminous coals and coals of lower rank
11/03/1981CA1111794A1 Treatment of coal with metal containing compounds
11/03/1981CA1111642A1 Conversion of bituminous fines into solid coke fuel through pressurized autoclave
10/1981
10/27/1981US4297646 Current mirror circuit
10/27/1981US4297108 Using nitric acid and an unsaturated hydrocarbon
10/20/1981US4295858 Deashing, surface modification of pyrite with ferrous compound, hydrocarbon oil agglomeration
10/20/1981CA1111155A1 Ore beneficiation
10/14/1981EP0037782A1 Process for the modification of the properties of swelling coal, system for carrying out the process and vessel for treatment by fluidizing and grinding
10/06/1981CA1110190A1 Process for desulfurizing coal
09/1981
09/30/1981EP0036784A2 Process and apparatus for production of refuse derived fuel
09/22/1981US4291008 Three heating stages, one stage in the presence of hydrogen
09/22/1981US4290777 Regeneration of ferric ions in coal desulfurization process
09/17/1981WO1981002583A1 Method for separating undesired components from coal by an explosion type comminution process
09/08/1981US4288407 Desulfurization of carbonaceous particles
09/08/1981US4288231 Grinding to form hydrophobic and hydrophilic fractions, preferential wetting of impurities
09/08/1981CA1108546A1 Desulfurization of coal using a solution of sodium chloride
08/1981
08/25/1981US4285140 Dewatering and upgrading low rank coal by a two-step hydrothermal treatment
08/19/1981EP0033986A1 A process for the upgrading of coal
08/18/1981US4284416 Integrated coal drying and steam gasification process
08/11/1981CA1106790A1 Denitrification process
08/11/1981CA1106788A1 Coal desulfurization using silicates
08/11/1981CA1106787A1 Oxidizing or reducing promoter and a silicate for reducing sulfur content of coal
08/06/1981WO1981002233A1 Current mirror circuit
08/04/1981US4282004 Process for agglomerating coal
07/1981
07/29/1981EP0032811A2 A process for the beneficiation of coal and beneficiated coal product
07/29/1981EP0032520A1 Process and apparatus for calcining coke
07/28/1981US4280817 Solid fuel preparation method
07/28/1981CA1105865A1 Process for removing sulfur from coal employing aqueous solutions of sulfites and bisulfites
07/21/1981US4280033 Process and apparatus for the thermal treatment of coal
07/14/1981US4278443 Polycyclic polycarboxylic acids from oxidized coal, solvent extraction
07/14/1981US4278442 Sulfur dioxide treatment
07/14/1981CA1104961A1 Process for coal liquefaction
07/14/1981CA1104960A1 Process of liquefaction of coal
06/1981
06/30/1981US4276120 To produce low sulfur product
06/30/1981CA1104080A1 Two-stage coal liquefaction
06/24/1981EP0030841A2 Integrated coal drying and steam gasification process
06/23/1981US4274836 Pelletization, coating with sodium carbonate or lime
06/23/1981US4274835 Method and composition for modifying burning of sulfur in coals and hydrocarbon fuels
06/09/1981US4272356 Solvent extraction, amides, ureas, phosphoramides
06/09/1981US4272251 Oxidation of aqueous slurry of coal-oil particles, baffles
06/09/1981US4272250 Process for removal of sulfur and ash from coal
06/02/1981US4270980 Method for recovering and utilizing heat of coke-oven gas
06/02/1981US4270928 Desulfurization of carbonaceous materials
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