Systems and methods for renewable fuel

FIELD: chemistry.

SUBSTANCE: invention discloses a fuel that contains a catalytic cracking product of a fluid comprising a fuel mixture comprising: i) 93-99.95 wt % of the oil fraction material and ii) 0.05-7 wt % of the raw material of the non-enriched renewable petroleum fuel, where the non-enriched renewable petroleum fuel comprises a product of grinding and non-catalytic fast heat treatment of the cellulosic biomass with conversion of, at least, 60 wt % of cellulosic biomass into non-enriched renewable petroleum fuels, and where the non-enriched renewable petroleum fuel has a carbon content of, at least, 40 wt % on a dry basis and oxygen content in the range of 20-50 wt % on a dry basis and water content in the range of 10-40 wt %. A method of obtaining fuel is also disclosed.

EFFECT: co-processing of thermally obtained biomass products with petroleum raw materials in various refining operations.

20 cl, 20 dwg, 11 tbl, 3 ex

 



 

Same patents:

FIELD: oil industry.

SUBSTANCE: octane-increasing gasoline additive based on toluidine and alcohol comprises synergetic compound of mixture of meta- and ortho-toluidines, isobutyl alcohol and vegetable oil condensation product, diethanol amine and boracic acid at mole ratio of vegetable oil, diethanol amine and boracic acid components of 0.75 - 1:3:0.5 - 1 and the following ratio of components, wt %: meta-toluidine - 49-54, ortho-toluidine - 24-27, isobutyl alcohol - 16-22, condensation product - 3-5. The gasoline-based compound contains an octane booster that includes the above additive in quantity of 1-3 vol %.

EFFECT: developing octane booster and using additive with high antiknock properties in composition of gasoline-based compound, creating synergetic compound, production of qualitative additive that does not contain metalorganic additives and MMA.

2 cl, 6 tbl

FIELD: chemistry.

SUBSTANCE: invention describes fuel for boiler house consisting of carbon-containing compounds of organic and mineral origin, including as part of its composition mixture of oil slam and sodium carboxylate as carbon-containing compound in ratio1:(1-3), and coal dust as carbon-containing compound of mineral origin, with the following component ratio, wt %: mixture of oil slam and sodium carboxylate 40-50; coal dust - the remaining part.

EFFECT: fuel for boiler house possesses high stability, low corrosion activity, ash content and viscosity, as well as high heat-generating ability.

1 tbl, 10 ex

Biofuel composition // 2553988

FIELD: chemistry.

SUBSTANCE: invention describes biofuel containing acetals and vegetable oils; the biofuel represents diethylformal 40-80 vol % and unsaturated fatty glycerides 20-60 vol %.

EFFECT: producing the biofuel characterised by a high cetane number, which alongside with improving the low-temperature and start-up properties of the fuel prevents corrosion; it requires no engine rework, possesses the green exhaust with considerable reduction of costs by using the ingredients based on cheap heavy accessible products.

1 tbl

FIELD: chemistry.

SUBSTANCE: invention describes an alternative motor fuel, which consists of ethyl alcohol and a hydrocarbon fraction, wherein the ethyl alcohol used is ethyl alcohol containing up to 4 vol % water, the hydrocarbon fraction used is a low-octane straight-run distillation oil fraction or a gas condensate which boils in the temperature range from the initial boiling point to 200°C, with the following ratio of components, vol %: low-octane straight-run distillation oil fraction or a gas condensate which boils in the temperature range from the initial boiling point to 200°C 15-25, ethyl alcohol - the balance to 100.

EFFECT: use of the alternative motor fuel enables to replace petrol AI-98 with cheaper fuel which uses ethyl alcohol and low-octane hydrocarbon fractions, which reduce environmental pollution with exhaust gases.

2 cl, 2 tbl

FIELD: chemistry.

SUBSTANCE: invention relates to the application of, at least, one alcohol (C6-C15)ethoxylate and, at least, one (C8-C24)alkylamido (C1-C6)alkylbetaine in liquid hydrocarbon fuel, which contains less than 50 ppm of water, to reduce or essensially eliminate the formation of ice particles with the weight average particle size larger than 1 mcm, in the said liquid hydrocarbon fuel, when the said liquid hydrocarbon fuel is cooled to temperatures, which are in the range from 0 to -50°C, where the quantity of the said, at least, one alcohol (C6-C15)ethoxylate in the said fuel constitutes from 45 to 4575 ppm by weight, and the quantity of the said, at least, one (C8-C24)alkylamido (C1-C6)alkylbetaine constitutes from 5 to 425 ppm by weight. Described is aviation fuel, which has lower tendency to ice particles formation. The invention also relates to a method of reducing or elimination of the formation of ice particles in the liquid hydrocarbon fuel. Also described is a method of an aircraft refuelling with the liquid hydrocarbon fuel, which has lower tendency to ice particle formation.

EFFECT: reduction or elimination of formation of ice plugs in fuel and fuel tanks of an aircraft with gas turbine engines.

13 cl, 4 dwg, 11 ex

Biofuel composition // 2544239

FIELD: chemistry.

SUBSTANCE: invention relates to biofuel composition, based on petroleum product, containing bioadditive, based on acetals and vegetable oils, with composition representing mixture of petroleum Diesel fuel 98-60 vol % with bioadditive 2-40 vol %, where as bioadditive used is diethylformal 35-40 vol %, with the remaining part being represented by glycerides of unsaturated fatty acids.

EFFECT: obtaining biofuel higher-quality composition, more resistant to oxidation and polymerisation processes, with low prime cost and high product output.

2 cl, 2 tbl

Biofuel composition // 2544239

FIELD: chemistry.

SUBSTANCE: invention relates to biofuel composition, based on petroleum product, containing bioadditive, based on acetals and vegetable oils, with composition representing mixture of petroleum Diesel fuel 98-60 vol % with bioadditive 2-40 vol %, where as bioadditive used is diethylformal 35-40 vol %, with the remaining part being represented by glycerides of unsaturated fatty acids.

EFFECT: obtaining biofuel higher-quality composition, more resistant to oxidation and polymerisation processes, with low prime cost and high product output.

2 cl, 2 tbl

FIELD: oil and gas industry.

SUBSTANCE: invention describes a viscosity-reducing additive for heavy oil fractions - tar oils, which is represented by sodium carboxylate being the waste of the vegetable oil production added to heavy oil fractions - tar oils in the quantity of 20-50 wt %.

EFFECT: reducing viscosity of heavy oil fractions - tar oils at addition of sodium carboxylate to them and increasing stability of the received mix.

3 tbl, 10 ex

FIELD: chemistry.

SUBSTANCE: additive for low-sulphur diesel fuel based on carboxylic acids contains polyethylene polyamine, and the carboxylic acids used are commercial-grade alkyl(C16-C18)salicylic acids with weight ratio of polyethylene polyamine to commercial-grade alkyl(C16-C18)salicylic acids of 0.007-0.035:1.0.

EFFECT: improved lubrication properties of low-sulphur diesel fuel; the additive also meets emulsion property requirements, does not promote formation of a fuel-water emulsion and provides compatibility with cetan number enhancing additives.

9 tbl, 3 ex

FIELD: chemistry.

SUBSTANCE: invention relates to a liquid fuel composition which includes liquid fuel and an additive in amount of 0.005-0.03 wt %, wherein the liquid fuel additive contains a metal salt of an organic acid with 15-18 carbon atoms in amount of 10-90 wt %, wherein the metal is located in the electrochemical activity series to the right of hydrogen, 1-5 wt % aromatic amine, 3-10 wt % succinimide polymer and 1-75 wt % glycerine.

EFFECT: improved antifriction, antiscoring, antioxidation and detergent properties of the fuel and protecting friction surfaces of components of the fuel equipment from wear.

8 cl, 2 tbl

FIELD: chemistry.

SUBSTANCE: invention relates to a lead-free fuel composition which contains: (a) as its basic part a mixture of hydrocarbons in the petrol boiling range and (b) a small amount of a mixture of additives comprising (i) one or more compounds of p-alkoxy-N-alkylaromatic amine of general formula

I,

wherein R13 is hydrogen and R12 is a methyl, ethyl, propyl or butyl group, and (ii) one or more dicyclopentadienes; wherein components (b)(i) and (b)(ii) are present in the additive mixture in ratios ranging from about 1:19 to about 4:3. Also disclosed is a method of increasing the octane number of petrol, which includes adding small amounts of the disclosed additive mixture to the basic part of the petrol mixture. Described is a method of reducing deposits in the inlet valve of an internal combustion engine, which includes burning the disclosed fuel composition in said engine.

EFFECT: use of said additive mixture in a lead-free fuel composition increases the octane number of motor fuel and reduces deposits in the inlet valve of an internal combustion engine by burning the disclosed lead-free fuel composition.

8 cl, 2 dwg, 3 tbl, 5 ex

FIELD: chemistry.

SUBSTANCE: described is a method of increasing energy characteristics of liquid rocket engine, working on fuel components being liquid oxygen and hydrocarbon combustible, with kerosene with a liquid additive, representing a solution of highly molecular polyisobutylene (PIB) with a medium-viscosity molecular weight from 3.1·106 to 4.9·106 in kerosene in an amount, providing concentration of polyisobutylene in kerosene from 0.015% to 0.095% of kerosene weight, being applied as the hydrocarbon combustible; cutting of an impeller of a combustible pump of the engine turbopump unit is performed, with an external diameter of the impeller D2 being determined by formula D2=D1(1BC1+A)0,5, D1 is an external diameter of a working wheel of a standard combustible pump; A is a relative increase of the combustible pump pressure in operation with the PIB; B is a relative decrease of hydroresistance of a tract of a chamber regenerative cooling caused by the PIB impact; C=ΔPcoolΔPp is a ratio of hydroresistance of the tract of the chamber regenerative cooling to pressure of the pump for the supply of the component without the PIB, in order for the value of a weight ratio of components (Km) when the engine operates in nominal and forced modes with an application of kerosene with the liquid additive PIB to remain equal to the value Km when the engine works on pure kerosene.

EFFECT: increase of energy characteristics of the LRE.

2 dwg, 3 tbl

FIELD: chemistry.

SUBSTANCE: invention relates to method of inhibiting formation of particles in renewable fuels or mixtures of renewable fuels and light fuels, which includes stages, at which added are: additive composition, inhibiting particles, to fuel or mixture, where additive composition, inhibiting particles, includes one or more of: agglomeration inhibitor, disperser of particles, inhibitor of particle precipitation; or amplifier of compatibility.

EFFECT: increased resistance of renewable fuel or mixture of renewable fuel and light fuel to formation of non-soluble particles during long storage or exploitation at low temperatures.

15 cl, 1 dwg, 5 tbl

FIELD: chemistry.

SUBSTANCE: invention relates to a hybrid emulsion fuel which contains a hydrocarbon, water, an alcohol and a surfactant, characterised by that the fuel is a stable direct emulsion, and the hydrocarbon used is gasoline or kerosene or diesel fuel, with the following ratio of components, vol. %: gasoline or kerosene or diesel fuel 70, water 18-30, ethyl alcohol 0-12, surfactant OP-7 0.3-0.8.

EFFECT: hybrid emulsion fuel is characterised by easy preparation which does not require use of special equipment and is easily restored when using hybrid fuel.

1 cl, 6 ex

FIELD: chemistry.

SUBSTANCE: invention relates to novel areas of using a certain type of diesel fuel component and methods of improving performance of a turbo charged diesel engine. In particular, the invention relates to use of a viscosity increasing component in a diesel fuel composition to improve acceleration performance, at low engine speeds from 1200 to 2200 rpm, of a turbo charged diesel engine into which the fuel composition is added or will be added, or a vehicle driven by said engine. The invention also relates to a method of operating a turbo charged diesel engine and/or a vehicle driven by such an engine, which involves feeding a diesel fuel composition, containing said viscosity increasing component, into the engine.

EFFECT: improved performance of a turbo charged diesel engine.

12 cl, 22 tbl, 3 ex

FIELD: chemistry.

SUBSTANCE: invention relates to a composition of lead-free ecologically clean high-octane petrol based on an isomerisation product and catalytically cracked petrol, characterised by that it further contains straight-run petrol, and the high-octane component is a hydrogenation product from production of butyl alcohols, with the following ratio of components, wt %: straight-run petrol - 10-15; isomerisation product - 2.5; hydrogenation product from production of butyl alcohols - 20-60; catalytically cracked petrol - up to 100.

EFFECT: practical use of the disclosed composition significantly widens the raw material base for producing ecologically clean petrol, having high octane number and low content of aromatic and olefin hydrocarbons and benzene.

2 cl, 3 tbl

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing a fraction of polymethyl-substituted C18-C36 alkanes of formula: , where n=4-10 by reacting molten atactic polypropylene with atmospheric oxygen at 150-250°C for 1-6 hours with air flow rate of 0.6-1.9 l/min∙kg using secondary low-molecular oxidation products as raw material. The method is characterised by that first, low-molecular products are fractionated collection of the basic fraction at 200-310°C followed by catalytic hydrofining from impurities of alkenes in gas phase or oxidation of alkenes at 100°C with aqueous solution of KMnO4 with weight ratio of the fraction to KMnO4 of 2.5-3.0:1.0, followed by freezing the organic layer at minus 20°C and separating the crystalline water-containing precipitate. The invention also relates to use of said fraction as a chemical marker for hydrocarbon fuels.

EFFECT: disclosed marker has a low cost and high concealment.

2 cl, 5 ex, 1 tbl, 4 dwg

FIELD: chemistry.

SUBSTANCE: gasoline composition primarily consists of gasoline and also includes 1-5 wt % base oil, with respect to the entire gasoline composition, the base oil having kinematic viscosity at 100°C of at least 1 cSt. The invention also relates to a method of operating a spark-ignited four-stroke internal combustion engine, involving feeding a gasoline composition into the combustion chamber of said engine, said composition primarily containing gasoline and 1-5 wt % base oil with respect to the entire gasoline composition. Also described is a gasoline composition for a four-stroke engine, primarily containing gasoline and 1-5 wt % base oil, with respect to the entire gasoline composition, the base oil being based on liquid hydrocarbons and having kinematic viscosity at 100°C of at least 1 cSt.

EFFECT: improved accelerating power of a spark-ignited four-stroke internal combustion engine.

11 cl, 6 tbl, 22 ex

FIELD: oil and gas industry.

SUBSTANCE: invention refers to fuel for detonation kick motor on the basis of synthetic high-density fuel T-10, which differs by the fact that in order to increase its detonation activity, prodetonator - butylhydroperoxide (wt %) is added additionally to the fuel: fuel T-10 99 - 99.3%; tert-butylhydroperoxide 0.7-1%.

EFFECT: creation of fuel for detonation kick motor with increased sensitivity to detonation pulse and improved conditions of its detonation combustion in the chamber of detonation kick motor at introduction to it of tert-butylhydroperoxide as a prodetonator.

FIELD: chemistry.

SUBSTANCE: present invention relates to use of at least one oil-soluble olefin copolymer B), which acts as a nucleating agent for paraffin crystallisation for improving response of additives C) for improving cold flow of mineral oil, different from B), in middle distillates which contain at least one ash-free, nitrogen-containing detergent additive A), which is an oil-soluble amphiphilic compound which contains at least one alkyl or alkenyl radical bound to a polar group, said alkyl or alkenyl radical having 10-500 carbon atoms and the polar group having 2 or more nitrogen atoms. The additives C) used to improve cold flow contain oil-soluble polar nitrogenous compounds. The present invention also relates to an additive for middle distillates and a middle distillate having sulphur content lower than 100 ppm and 90% final boiling point lower than 360°C.

EFFECT: present invention provides use of oil-soluble olefin copolymers as nucleating agents for paraffin crystallisation in order to prevent deterioration of efficiency of traditional additives for improving cold flow under the action of nitrogen-containing detergent additives.

26 cl, 47 ex, 4 tbl

FIELD: chemistry.

SUBSTANCE: invention describes a method of producing petrol-based aviation fuel B-95/130, which contains components from catalytic reforming, isomerisation, alkylation with addition of an antioxidant, tetraethyllead and a dye, wherein the used base is a fraction isolated from target motor petrol AI-92 by fractionation using a periodic or continuous scheme and which boils in the range of 40-145°C.

EFFECT: obtaining aviation fuel with high stability and antiknock rating.

2 cl, 1 ex, 3 tbl

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