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7560603 |
Fuel for jet, gas turbine, rocket and diesel engines
A fuel or fuel blendstocks for jet, gas turbine, rocket, and diesel engines, particularly jet and rocket engines utilizing components of conventional petroleum not currently utilized for jet, gas...
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7419608 |
Treating method and equipment for coke-cooling wastewater
The present invention falls within the field of purifying oil-laden wastewater, which provides a method for purifying coke-cooling wastewater in a delayed coking process in petroleum chemical...
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7128767 |
Method to upgrade low rank coal stocks
The ash content of raw coals, lignite, and other carbonaceous materials is reduced by leaching the high-ash material with an aqueous acidic waste product produced by a Fischer-Tropsch reaction. The...
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6860911 |
Synfuel composition and method of using same
The present invention re lates to a liquid synfuel additive composition which is used as an additive to coal fines to enhance the complete combustion of the coal after turning it into a synthetic...
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6740133 |
Chemical change agent for coal and method of using same
An acqueous synfuel composition to be used as an additive for coal and like combustible materials to cause chemical bonding with the coal or materials to transform it into a substance legally...
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6471732 |
Water-in-oil type emulsion fuel oil
A water-in-oil type emulsion fuel oil is prepared by dispersing and emulsifying in heavy oil a water/carbon mixture prepared by dispersing carbon fine particles in water with a dispersant and a...
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6331575 |
Preparation of high activity catalysts; the catalysts and their use
A process for the preparation of a catalyst useful for conducting carbon monoxide conversion reactions, especially a Fischer-Tropsch catalyst, use of the catalyst for conducting such reactions,...
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6293975 |
Fuel composition
A composition for use as a fuel comprising: less than about 10% by weight water; greater than about 35% by weight solids and from about 30 to about 65% by weight of liquid hydrocarbons; the solids...
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6248140 |
Fuel composition recycled from waste streams
A fuel composition comprising less than about 10 percent-by-weight water, greater than about 30 percent-by-weight solids and from about 30 to about 70 percent-by-weight of a combustible nonaqueous,...
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6066679 |
Slurry hydrocarbon synthesis with cyclic co purge and catalyst rejuvenation
Partially deactivated catalyst in a slurry hydrocarbon synthesis process is rejuvenated employing a cyclic rejuvenation process in which syngas or CO flow into the slurry is stopped to stop the...
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5925233 |
Use of alkanesulfonic acids as asphaltene-dispersing agents
The present invention relates to the use of secondary alkanesulphonic acids as asphaltene dispersing agent in crude oils and products derived therefrom, wherein a chain length of 8 to 22 C atoms is...
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5902359 |
On-line and/or batch process for production of fuel mixtures consisting of coal/asphaltenes, fuel oil/heavy crude oil, surfactant and water (CCTA), and the obtained products
An on-line and/or batch process to obtain a liquid mixture consisting of coal/asphaltenes-fuel oil/heavy crude oil-surfactant-water, through dispersion of a coal-water mixture, using a mechanical...
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5900112 |
Method of reducing the viscosity of a black liquor using thiocyanate salt
A method of recycling sodium-based salts used for digesting wood in a digester during the manufacture of pulp and paper. The method comprises collecting a black liquor from the digester,...
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5685153 |
Efficient utilization of chlorine and/or moisture-containing fuels and wastes
A process for enhancing the fuel form, raising the energy content, and lowering the level of impurities of low rank coals and/or carbonaceous wastes, like Municipal Solid Waste (MSW), Refuse...
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5611824 |
Fullerene jet fuels
This invention involves a process for achieving more energetic fuels by ug high density fullerenes and fullerene derivatives, mixed with liquid hydrocarbon or hydrocarbon derivative fuels. The...
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5503643 |
Substituted fullerenes as flow improvers
The fuel oil-substituted fullerene compositions of the invention are useful for improving the cold flow properties of fuels. Typically the substituted fullerenes have the general formula C Fn ...
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5439489 |
Method and apparatus for producing a fuel composition
A process for producing a fuel composition from a waste stream containing a liquid, organic component, water and a mixture of inorganic and organic solids wherein the waste stream is separated into...
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5296005 |
Process for converting coal into liquid fuel and metallurgical coke
A method of recovering coal liquids and producing metallurgical coke utilizes low ash, low sulfur coal as a parent for a coal char formed by pyrolysis with a volatile content of less than 8%. The...
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5234475 |
Hydrocarbon fuels having one or more fullerenes therein as indentification media
A hydrocarbon fuel is provided with one or more fullerene additives such as, for example, C60, C70, C74, C76, C78, C82, and C84 fullerenes, to serve as an identifying means for the fuel. The...
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5207891 |
Composition of matter for oligomeric aliphatic ether asphaltenes as asphaltene dispersants
A composition of matter useful as an asphaltene dispersant, comprising a mixture of: (a) poly[P,P'-(propylene oxide-400)phosphite) poly[di(propylene oxide--400)diol)]]-P,P diasphalenate; (b)...
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5202056 |
Composition of matter for oligomeric aliphatic ethers as asphaltene dispersants
A composition of matter useful as an asphaltene dispersant, comprising a mixture of: (a) poly[di(propylene oxide-400)phosphite]-g-poly(propylene oxide-400) alcohol; (b) poly[di(propylene...
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5123931 |
Coal recovery process
A method for the beneficiation of coal by selective agglomeration and the beneficiated coal product thereof is disclosed wherein coal, comprising impurities, is comminuted to a particle size...
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5096461 |
Separable coal-oil slurries having controlled sedimentation properties suitable for transport by pipeline
Slurries of water-saturated coal and liquid hydrocarbon carriers having the properties of low apparent viscosity, controlled sedimentation and easy separation, which properties render the slurries...
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5008035 |
Fluidization of heavy slurries
A process for fluidizing oily heavy slurries chosen from slurries of catalyst fines in hydrocarbon, coke slurries in hydrocarbon, and asphalt residues in hydrocarbon which comprises: (1)...
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4950307 |
Preparation of a high-solids concentration low rank coal slurry
A method for preparing a high-solids concentration low rank coal slurry by dehydrating the coal, treating the dehydrated coal with a rehydrating inhibitor such as a (C 3 -C 12 ) straight chain...
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4842616 |
Method for homogenizing a mixture of aqueous residual liquid or solid fuels
The invention relates to a method which makes it possible to produce homogeneous mixtures of industrial wastes such as polluted waters, hydrocarbon wastes and various coal grades, as well as...
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4832831 |
Method of refining coal by hydrodisproportionation
Volatile, carbonaceous material is refined by hydrodisproportionation to produce a slate of co-products by heating the carbonaceous material in the presence of hydrogen donor rich reducing...
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4787915 |
Method of varying rheology characteristics of novel coal derived fuel system
The rheology of a fluidic, substantially combustible non-polluting liquid/solid slurried fuel system derived in substantial part from hydrodisproportionation of coal is varied by addition of...
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4780109 |
Coal water suspensions involving carbon black
Disclosed is a composition and method from making coal water slurries containing carbon black. A composition disclosed comprises: 65 to 85% by weight coal particulates; 0.2 to 2% by weight, based...
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4759267 |
Energetic fluid product and its application to the supply of combustible matter to a reaction chamber
An energetic fluid product containing finely divided solid combustible matter suspended in at least one liquid phase and capable of being made to circulate in a line for supplying a treatment...
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4756721 |
High solids content coal-tar mixture
By optimizing grinding conditions it is possible to obtain a grain-size distribution of coal milled together with tar that is especially suitable for the production of high-solids (>50% by...
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4744797 |
Mixed fuel of coal powder or the like and heavy oil
This invention relates to a mixed fuel comprising a coal powder or the like and heavy oil obtained by adding and mixing a dilute aqueous solution of a water-soluble high-molecular compound and a...
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4737158 |
Self-lubricating coal and hydrocarbon fraction based fuel composition
A self-lubricating fuel composition is provided formed from powdered coal, a hydrocarbon fraction, water, a surfactant and a strong electrolyte. This composition develops a lubricating layer...
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4713086 |
Oil-compatible coal/water mixtures
A method is provided for inhibiting an increase in viscosity of coal/water slurries when such slurries are caused to contact petroleum oil during fuel changeover in power generation systems, the...
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4711643 |
Stabilized coal oil mixtures
Improved stabilizers for use in coal-oil mixtures are disclosed and comprise quaternary ammonium hydroxides, preferably they are formed by the reaction of a molar excess of sodium hydroxide or...
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4704134 |
Coal derived/aqueous fuel system and method of manufacture
Coal char produced by the pyrolytic destructive thermal distillation of coal in the absence of oxygen is ground, sized and then admixed in suitable portions with water to form a fluidic,...
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4692270 |
Surface active agent
A surfactant is obtained by treating a mixture of 20 to 95 wt. % of a thermal cracking oil fraction obtained by thermally cracking a petroleum heavy residual oil at 400° to 700° C., for example,...
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4671801 |
Method for the beneficiation, liquefaction and recovery of coal and other solid carbonaceous materials
An integrated, continuous (or batch) process for the beneficiation and/or liquefaction of coal, especially low rank coals, is provided, the process generally involving admixing coal with an organic...
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4671800 |
Low rank and waste coal derived fuel compositions and method of manufacture of such compositions
Coal char, preferably produced by the pyrolytic destructive thermal distillation in the absence of oxygen of carbonaceous materials selected from lignites, peats, low rank coals, and waste coals,...
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4670019 |
Stabilization of coal-oil-water mixtures
A fuel slurry consisting of a hydrocarbonaceous solid, oil and water effectively stabilized against settling of the solid by the addition of an aluminate, silicate, aluminosilicate or a combination...
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4666457 |
Method for reducing emissions utilizing pre-atomized fuels
Methods and composition are provided to facilitate the utilization of highly viscous hydrocarbons as clean burning fuels.
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4650496 |
Process for making a carbonaceous slurry
A process for preparing a carbonaceous slurry is provided. The process involves the steps of (1) providing a slurry with specified properties, and (2) thereafter mixing said slurry. The slurry...
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4637822 |
Coal-oil slurries containing a surfactant
Unwanted settling in a composition comprising a suspension of fine particles of coal in fuel oil is eliminated or substantially reduced by adding an effective amount of a...
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4623359 |
Aqueous slurries of solid carbonaceous fuel
Aqueous slurries of solid carbonaceous fuel that include a novel highly converted sulfonated surfactant derived from a suspension of low rank coal and coal derived creosote oil for reducing the...
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4622046 |
Stabilized high solids, coal-oil mixtures and methods for the production thereof
Stabilized high solids content coal-oil mixtures are provided by the admixture of coal and oil in the presence of a saturated or unsaturated fatty acid and a gel-forming agent under selected...
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4608057 |
Clear stable motor fuel composition
A process for converting a hazy water saturated alcohol-gasoline blend into a clear, stable gasoline composition having an improved octane rating. The conversion is made by adding to and blending...
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4605420 |
Method for the beneficiation of oxidized coal
A process for modifying the surface of oxidized coal, said process comprising subjecting coal having oxidized surfaces to high shear agitation in water followed by desliming the resultant aqueous...
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4601729 |
Aqueous phase continuous, coal fuel slurry and a method of its production
An aqueous phase continuous, fuel slurry is claimed, and its method of production from agglomerates consisting essentially of carbonaceous particles, agglomerating oil and residual water. The...
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4595396 |
Composition comprising 1,3,5-trioxane
Novel compositions comprising methanol and 1,3,5-trioxane, uses as slurry agents and/or fuels, and methods of synthesis of said compositions from gases containing carbon dioxide and light...
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4555248 |
Process for stabilizing the viscosity characteristics of coal derived materials and the stabilized materials obtained thereby
A process is disclosed for stabilizing the viscosity of coal derived materials such as an SRC product by adding up to 5.0% by weight of a light volatile phenolic viscosity repressor. The viscosity...
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