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)
06/1981
06/02/1981US4270927 Hydrocarbon oil slurry to form coal aggregates which can be size classified
06/02/1981US4270926 Process for removal of sulfur and ash from coal
06/02/1981CA1102266A1 Process for removing sulfur from coal
06/02/1981CA1102126A2 Exo-thermic heat transfer
05/1981
05/27/1981EP0029337A1 Coal treatment product, process and apparatus
05/26/1981US4269699 Bioadsorption alteration of iron sulfide surfaces
05/19/1981US4268379 Cationic polymers
05/19/1981US4268358 Method of reducing the sulfur content of coal reduced to dust
05/19/1981US4268271 Crushing; separation by particle size
05/19/1981CA1101371A1 Chemical comminution of coal with so.sub.2
05/19/1981CA1101349A1 Method for thermal dehydration of brown coal
05/19/1981CA1101210A1 Agglomeration of coal fines by aqueous emulsion of oil
05/14/1981WO1981001296A1 Process for beneficiating and stabilizing coal/oil/water fuels
05/12/1981CA1100897A1 Process for the production of solvent-refined coal useful as starting material for other carbonaceous products
05/05/1981US4265737 Methods and apparatus for transporting and processing solids
05/05/1981US4265710 Process for calcining coke
05/05/1981US4265637 Process for preparing blending fuel
04/1981
04/28/1981US4264333 Using a wetting agent and then an emulsion of coal tar in water
04/28/1981CA1100072A1 Process for improving coal
04/28/1981CA1100071A1 Removal of impurities from coal
04/28/1981CA1100070A1 Process for improving coal
04/28/1981CA1100069A1 Method of removing ash components from high-ash content coals
04/21/1981US4263123 Anionic grafts of monomers onto coal substrates
04/21/1981US4263013 Coal cleaning
04/21/1981US4262610 Method of reducing the sulfur emissions from boilers fired with brown coal and, more generally, from boilers fired with low-rank solid fossil fuels and used in the production of electric power
04/14/1981US4261699 Process for removal of sulfur and ash from coal
04/08/1981EP0026200A1 A method of recovering high-grade fuel from solid mineral-fuel raw material.
04/07/1981US4260394 Process for reducing the sulfur content of coal
04/07/1981CA1098851A1 Separation of solids from coal liquids with an additive blend
04/07/1981CA1098698A1 Carbonaceos substances impregnated of aromatic pitch
04/01/1981EP0026011A1 Process for the upgrading of low-grade solid fuel
03/1981
03/31/1981US4259560 Process for drying coal and other conductive materials using microwaves
03/31/1981US4259304 Activation of coal
03/31/1981US4259167 Formation of caking coals
03/31/1981US4259085 Pelletized fixed sulfur fuel
03/31/1981US4259083 Oxidation below temperature of decomposition prior to carbonization
03/31/1981CA1098464A1 Desulfurization of fluid coke
03/25/1981EP0025474A1 Process for the desulphurization of a fossil fuel
03/17/1981US4256464 Process for desulfurization of coal
03/11/1981EP0024457A1 Novel fuel compositions
03/10/1981US4255156 Slurrying with hydrocarbon oil containing conditioning agent to agglomerate
03/10/1981US4255155 Less hydrocarbon oil used when a mixture of coarse and fine coal particles are agitated and then slurried in water
03/10/1981US4255129 Apparatus and method for processing organic materials into more useful states
03/10/1981US4254560 Method of drying brown coal
03/10/1981CA1097252A1 Process for calcining coke
02/1981
02/24/1981US4252638 Method for the desulfurization of coal
02/19/1981WO1981000416A1 Process for reducing the sulfur content of coal
02/17/1981US4251346 Process for coal liquefaction
02/17/1981US4251323 In an internally fired vertical shaft kiln
02/17/1981US4251227 Method for producing SNG or SYN-gas from wet solid waste and low grade fuels
02/10/1981US4249910 Process for removing sulfur from coal
02/05/1981WO1981000296A1 Apparatus and method for processing organic materials
02/03/1981US4248698 Coal recovery process
02/03/1981US4248691 Process of producing a suspension of brown coal and oil for hydrogenation
01/1981
01/27/1981CA1094482A1 Process for removing sulfur from coal
01/27/1981CA1094481A1 Process for removing sulfur from coal
01/27/1981CA1094480A1 Process for removing sulfur from coal
01/21/1981EP0022659A1 Carbonaceous solids cleaning process
01/13/1981US4244699 Treating and cleaning coal methods
01/07/1981EP0021780A1 Process for removal of sulfur and ash from coal
01/07/1981EP0021779A1 Process for removal of sulfur and ash from coal
01/07/1981EP0021778A1 Process for removal of sulfur and ash from coal
01/07/1981EP0021556A1 Novel deashed coal
01/07/1981EP0021555A1 Energy generating process and novel fuel therefor
12/1980
12/23/1980CA1092045A1 Coal deashing process having improved solvent recovery techniques
12/23/1980CA1091895A1 Method and apparatus for heat treating carbonaceous material in a fluidized bed
12/16/1980US4239613 Followed by solvent extraction of solid phase and devolatilization of extract
12/16/1980US4238922 Wet oxidation in the presence of alkaline earth metal carbonate
12/16/1980CA1091602A1 Solvent recovery in a coal deashing process
12/12/1980EP0019623A4 Method of producing pulverulent carbonaceous fuel.
12/11/1980WO1980002740A1 New high efficiency electric oven for calcination of carbonaceous materials
12/10/1980EP0020275A1 Process for improving the recovery of clean coal from flotation circuits
12/10/1980EP0019969A1 Process for upgrading low-grade fuel fines
12/10/1980EP0019623A1 Method of producing pulverulent carbonaceous fuel
12/02/1980US4237101 Process for treating solid carbonaceous fossil fuels and the products thus prepared
11/1980
11/18/1980US4234402 Sulfur removal from crude petroleum
11/18/1980US4234319 Process for changing caking coals to noncaking coals
11/11/1980US4233034 Desulfurization of coal
10/1980
10/29/1980EP0018064A1 Method and apparatus for calcining delayed petroleum coke
10/28/1980US4230460 Method for enhancing the utilization of powdered coal
10/28/1980CA1088444A1 Method of removing ash components from high-ash coals
10/16/1980WO1980002153A1 Improved method of removing gangue materials from coal
10/16/1980WO1980002152A1 A method of recovering high-grade fuel from solid mineral-fuel raw material
10/15/1980EP0017491A1 Method for producing a solid fuel for small furnaces and solid fuel produced thereby
10/15/1980EP0016914A1 Alkanolamine- fatty acid condensate conditioner for flotation of coal and a flotation process therefor
10/07/1980US4226601 Adding sodium oxide, calcium oxide
10/01/1980EP0016624A1 Coal de-ashing process
10/01/1980EP0016536A1 Method of removing hydrocarbon liquids from carbonaceous solid material with which they are mixed and using this method for deashing coal
10/01/1980EP0016271A1 Process and apparatus for consolidating an aqueous coal slurry and obtaining clean water. Slugs obtained by consolidating the coal slurry
09/1980
09/30/1980US4225317 Alkyl phenoxy poly(ethyleneoxy)ethanol in fuel oil to prevent coal particles from freezing together
09/23/1980US4224136 Process for the solvent extraction of solid carbon-containing materials, principally coal
09/23/1980US4224039 Coal briquetting methods
09/23/1980US4224038 Process for removing sulfur from coal
09/17/1980EP0015736A2 Method of recovering coal by coal handling operations and system therefor
09/09/1980CA1085330A1 Treatment of coal for the production of clean solid fuel and/or liquid turbine fuel
08/1980
08/26/1980US4219519 Hydrothermal treatment of moistened mix of fines, bonding agent and silicon dioxide
08/26/1980CA1084344A1 Burning and desulfurizing coal
07/1980
07/29/1980CA1082640A1 Calcination of coke
07/23/1980EP0013420A1 Oxidative coal desulfurization using lime to regenerate alkali metal hydroxide from reaction product
07/22/1980US4213793 Dissolving separating and crystallizing sulfur
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