By using additives (C10L9/10)

Catalyst of combustion speed based on osf product // 2639146
FIELD: chemistry.SUBSTANCE: catalyst contains oligomeric bis (dimethylhydrosilyl) ferrocene of the following structure: , where n=2-5, in an amount of 40-60 wt %. The iron content of the catalyst is 14.5-18.5 wt %. The method is obtaining a new composition of the catalyst of the fuel combustion speed containing a mixture of OSF products and oligomeric bis-(dimethylhydrosilyl) ferrocene, which is similar in physicochemical characteristics to the OSF product, with a simultaneous increase of iron by 50-60 wt %.EFFECT: increasing the fuel combustion speed and maintaining the high performance.2 tbl
Fuel composition // 2547902
FIELD: chemistry.SUBSTANCE: invention relates to a fuel composition, which consists of sodium caboxylate and a carbon-containing compound, where as the carbon-containing compound applied is carbon powder, with the following component ratio, wt %: sodium carboxylate 40-50; carbon powder - the remaining part.EFFECT: increase of the fuel composition stability, reduction of sulphur and ashes content, extension of the boiler fuel assortment.1 tbl, 6 ex

ethod of obtaining high-quality coke // 2539186
FIELD: chemistry.SUBSTANCE: invention relates to method of obtaining high-quality coke by application of borate on red-hot coke after discharge from coke furnaces with temperature 1050±50°C, with its extinguishing being carried out with water solution of borates with content of borates 3-10 g/dm3 in form of solution or pulp in quencher car under quenching tower for 90-120 sec, with tetraborate sodium pentahydrate, borax decahydrate, disodium octaborate tetrahydrate being used as borates.EFFECT: increased quality of blast furnace coke by parameter of hot strength after reaction with CO2 and reduction of its reaction ability.1 dwg, 3 tbl

Production procedure of petroleum coke with low content of sulphur oxides in combustion gases // 2535473
FIELD: oil and gas industry.SUBSTANCE: invention is related to the production procedure of petroleum coke with a low content of sulphur oxides in combustion gases, which is based on usage of substances binding sulphur. High-sulphur petroleum coke is saturated with an aqueous dispersion of shale-based substance binding sulphur, stirred up thoroughly to a paste-like state, water is evaporated at a temperature of 120-150°C up to the permanent weight and then cooled down.EFFECT: reducing the sulphur oxide content in combustion gases.6 cl, 1 dwg, 4 tbl, 3 ex

Coal with improved combustion or related // 2531619
FIELD: chemistry.SUBSTANCE: invention relates to use of a salt of iron and an organic acid selected from formic acid, carboxylic acids containing 3 or more carbon atoms and sulphonic acids to reduce carbon content in fly ash obtained when burning coal. Described is coal treated with said salt of iron and an organic acid. The invention also describes methods of treating and burning coal by adding a salt of iron and an organic acid before or during combustion of coal in a furnace.EFFECT: reduced content of carbon in fly ash obtained when burning coal in a furnace.18 cl, 5 tbl, 5 ex
odifier of solid, liquid and gaseous fuel burning // 2515988
FIELD: chemistry.SUBSTANCE: invention relates to modifier of solid, liquid and gaseous fuel burning, in particular, wood, natural gas, coal, mazut and other hydrocarbons in power boilers, in closed or open chambers, characterised by the fact that said modifier contains from 10 to 30 wt % of water, from 20 to 80 wt % of at least one aliphatic alcohol, from 5 to 15 wt % of carbamide or its derivatives, selected from alkyl urea of type R1R2N(CO)NR1R2, where R1, R2 are similar or different and represent C1-C6 alkyl groups, and from 5 to 15 wt % of monoacetylferrocene. Object of invention also includes method of modifying process of burning said types of fuel and application of fuel burning modifier. Modifier can also be applied as catalyst in power boilers, for afterburning of soot, furnace gases and other admixtures, present in combustion chamber.EFFECT: claimed invention makes it possible to increase output of solid, liquid and gaseous fuel burning.10 cl, 1 tbl, 4 ex
ethod of modifying carbon surface // 2502715
FIELD: chemistry.SUBSTANCE: method involves preparing a carbon suspension in aqueous copper acetate solution in weight ratio C : H2O : Cu(CHCOO)2-H2O = 1 : 10…15 : 0.25…0.30, heating to 90...100°C, adding aqueous sodium hydroxide solution to the carbon suspension with weight ratio of copper acetate to sodium hydroxide Cu(CH3COO)2·H2O : NaOH = 1 : 1.05…1.2 for 20…30 minutes, adding aqueous solution of a surfactant - octyl phenyl ether of polyethylene oxide to carbon of 0.005…0.02 : 1. The mixture is then held while stirring for 10…15 minutes and then cooled to 25…30°C, followed by filtration, washing with water and drying at temperature of 90…100°C to constant weight.EFFECT: invention enables to modify the surface of carbon with copper oxide with maximum output.1 tbl, 1 ex

ethod of fuel enrichment and fuel improving agent // 2500793
FIELD: oil and gas industry.SUBSTANCE: average size of particles of fuel improving agent is within range of 1-100 mcm. Invention is related to method of pozzolana production by heating of the target fossil fuels in furnace of fuel improving agent.EFFECT: increasing combustion efficiency and decreasing carbon content in ash and in consequence in result of combustion useful material is obtained instead of waste.16 cl, 6 dwg, 2 tbl

ethod for reduction of hazardous emissions from burners with flame combustion // 2490318
FIELD: oil and gas industry.SUBSTANCE: invention is related to method for reduction of hazardous emissions from burners with flame combustion that includes supply of absorbent to burner and collection of used absorbent; the method is distinguished by absorbent delivery into flue gases formed in the post-flame area in quantity of 5-7% of fuel consumption.EFFECT: reduction of hazardous emissions into atmosphere, in particular sulphur oxides, and improvement of operating economy and reliability of a boiler unit.1 cl, 1 ex

Fuel additive and fuel containing said additive // 2486229
FIELD: oil and gas industry.SUBSTANCE: invention relates to a fuel additive based on aliphatic alcohols, carbamide (urea) and water, characterised by that it further contains boric acid, with the following ratio of components, wt %: C2-C4 aliphatic alcohols 10-97.99; carbamide (urea) 1-30; boric acid 0.01-3; water 1-85. The invention also relates to a fuel composition based on liquid or solid fuel with addition of said additive in amount of 0.0001-0.1 wt %.EFFECT: additive improves the fuel combustion process, has high solubility in any type of fuel and high catalytic capabilities; due to its high efficiency, the additive can be added to fuel in a concentration which is several times lower than that of similar additives.4 cl, 4 tbl

ethod for obtaining briquetted solid fuel using porous coal as raw material // 2482167
FIELD: oil and gas industry.SUBSTANCE: invention refers to the method for obtaining briquetted solid fuel, which can reduce the cost of briquetting at maintaining the strength of briquetted product. Mixed oil that contains heavy oil and oil-solvent, and porous coal having moisture content of 30 to 70 wt %, is mixed so that a suspension is obtained. Suspension is dehydrated by heating so that dehydrated suspension is obtained. Oil-solvent is extracted from dehydrated suspension so that the residue is obtained. The residue is heated, and oil-solvent is extracted in addition from the residue so that modified coal is obtained. Moisture is introduced to modified coal so that wet modified coal with moisture content of 3-10 wt % is obtained. At the stage of moisture introduction, crushed porous coal with moisture content of 30 to 70 wt % is mixed with modified coal. Then, wet modified coal is briquetted under pressure.EFFECT: reduction of briquetting cost at maintaining the briquette strength.2 cl, 3 dwg, 1 tbl, 1 ex
ethod to produce coal briquettes // 2473671
FIELD: power engineering.SUBSTANCE: invention relates to the method for production of coal briquettes from coal slurry and coal fines with a binder - an aqueous solution of polyelectrolyte - a flocculant on the basis of a polyacrylamide (PAA). As an intensifying additive to increase adhesion as a charge is compressed in process of pressing, the initial solution of PAA is complemented with water-soluble surfactants from the class of polyethers based on propylene glycol. Coal briquettes are used for communal-domestic and technological purposes.EFFECT: higher efficiency of application.

ethod of increasing rate and completeness of fuel oxidation in combustion systems // 2471858
FIELD: chemistry.SUBSTANCE: method of intensifying fuel oxidation in combustion systems involves increasing the rate of oxidation, raising oxidation temperature and/or increasing the rate of increase of oxidation temperature. The method involves adding a catalytic additive to an oxidant and/or fuel before or during the fuel oxidation process, where the catalytic additive is a solid substance, its solution or suspension, or a liquid substance or its emulsion, in form of a separate catalytic substance or a catalytic mixture of substances. The catalytic substance or at least one of the substances in the catalytic mixture contains at least one functional carbonyl group and has in the infrared spectrum at least one intense absorption band in the region from 1550 to 1850 cm-1. Said catalytic substance or at least one substance in the catalytic mixture is selected from: monocarboxylic acids and anhydrides thereof; dicarboxylic acids and anhydrides thereof; carboxylic acid salts; dicarboxylic acid salts; carboxylic acid amides; dicarboxylic acid amides; carboxylic acid anilides; dicarboxylic acid anilides; carboxylic acid esters; dicarboxylic acid monoesters or diesters; carboxylic acid imides; dicarboxylic acid imides; carbonic acid diamide; acyclic and cyclic carbonic acid esters; urethanes; aminocarboxylic acids whose molecules contain amino groups (NH2 groups) and carboxyl groups (COOH group); peptides and proteins whose molecules are built from a-amino acid residues linked by peptide (amide) bonds C(O)NH. The catalytic additive is added in amount of 0.0000001-01 wt %. The fuel used is solid, gaseous or liquid fuel selected from AI-92 petrol, diesel or masout.EFFECT: faster fuel oxidation, high oxidation temperature, higher rate of increase of oxidation temperature, higher enthalpy of combustion products, more complete fuel combustion, fewer solid deposits on engine parts, reduced harmful emissions with exhaust gases, reduced fuel combustion.5 cl, 3 tbl, 2 dwg, 9 ex
ixed fuel // 2460762
FIELD: power industry.SUBSTANCE: mixed fuel includes lignin and hydrogen in the weight ratio of lignin to hydrogen of 9:1 to 1:9, mainly of 2:1 to 1:3.EFFECT: more complete combustion of lignin; reduction of ash content of fuel.1 cl

ethod for improving qualitative indices of blast-furnace coke // 2445348
FIELD: metallurgy.SUBSTANCE: method for improving qualitative indices of blast-furnace coke is implemented by spraying at temperature of not less than 20°C onto blast-furnace coke lumps of 2-20% water solution of sodium, potassium or calcium pentaborate, which contains 0.1-0.2 wt % of non-ionic surface active substance in the form of mono- and/or dialkyl ethers of polyethylene glycol in the quantity providing the content of surface active substance in coke of 0.0035-0.0070 wt %; at that, content of dry pentaborate of one of the above metals in coke is 0.09-0.68 wt %.EFFECT: improving qualitative indices of blast-furnace coke owing to decreasing reactivity index and increasing its strength value.1 cl, 25 ex, 2 tbl

ethod for intensifying combustion process of tpp solid low-reactive fuel // 2437028
FIELD: power industry.SUBSTANCE: method for intensifying the combustion process of TPP solid low-reactivity fuel involves preparation of pulverised-coal mixture of low-reactivity fuel with air and nanoaddition; pulverised-coal mixture is subject to ultrasonic treatment immediately prior to supply to burners, and then to ignition and burning in the boiler. As nanoadditions there used are astralines - multi-layer fulleroide nanoparticles or Taunit - carbon nanomaterial. Nanoadditions are introduced to pulverised-coal mixture in the form of homoeopathic doses as per weight of solid fuel of 0.01 - 0.02%. The method results in increase of response rate of ignition and combustion of fuel mixture; besides, at combined burning of low-reactivity coal and fuel oil in the steam boiler furnace the method leads to reduction of unburnt carbon, nitrogen and sulphur oxides emissions, and therefore, to reduction of corrosion of heating surface and to improvement of reliability of power equipment; increase in combustion efficiency of pulverised-fuel mixture of low-reactivity fuel with air and nanoaddition owing to avoiding the agglomeration of components. The effect is achieved due to intensification method of combustion process of TPP solid low-reactivity fuel, which involves preparation of pulverised-coal mixture of low-reactivity fuel with air and nanoaddition, ultrasonic treatment, ignition and its burning in the boiler.EFFECT: increasing combustion efficiency of low-reactivity solid fuel.4 cl, 1 dwg
ethod of producing mixed solid fuel // 2429282
FIELD: chemistry.SUBSTANCE: method involves preparation of a fuel mixture via successive mechanical mixing of oxidising agent with fuel-binder. The oxidising agent used is either ammonium perchlorate (APC) or ammonium nitrate (AN) or octogen (HMX) or a mixture of APC/AN, APC/HMX, AN/HMX, components being in ratio 1/1 for each mixture. The fuel-binder used is inert rubber (SKDM-80) or active rubber - polyurethane which is plasticised with nitroglycerine. The mixture additionally contains tin chloride powder with particle size (100-150) mcm, which is premixed for not less than 30 minutes with ultrafine aluminium powder with particle size less than 0.1 mcm, with the following ratio of components in wt %: ultrafine aluminium powder 87.5, tin chloride powder - 12.5. A hardener is added to the obtained mixture and the fuel composition is stirred for not less than 30 minutes.EFFECT: rate of combustion of the mixed solid fuel increases depending on compositions of the oxidising agent and fuel-binder used in the fuel.2 tbl, 1 ex

ethod of producing metallised solid fuel // 2415906
FIELD: chemistry.SUBSTANCE: method involves mechanical mixture of an oxidising agent, fuel binder and metallic fuel. The oxidising agent used is ammonium perchlorate with particle size not greater than 50 mcm and ammonium nitrate with particle size (165-315) mcm. The fuel binder used is butadiene rubber which is plasticised with transformer oil or polyurethane rubber which is plasticised with nitroglycerine. The metal fuel used is aluminium micropowder or aluminium nanopowder or mixtures thereof. Further, silicon dioxide with average particle size not greater than 50 mcm is added to the fuel in amount of 1-2 wt % over 100% of the fuel mass. The mixture is further mixed and evacuated. The obtained fuel mass is moulded into fluoroplastic units, polymerised and plated on the lateral surface with a solution of linoleum in acetone.EFFECT: high rate of combustion and low content of solid condensed combustion products.5 tbl, 2 ex

Composition of sulphur-containing fuel additives for desulphuration of said fuel during combustion // 2406753
FIELD: chemistry.SUBSTANCE: invention relates to sulphur-containing fuel additives and can be used in thermal power for desulphuration of liquid and solid fuel, mainly solid ash-bearing fuel during combustion. The composition of sulphur-containing fuel additives for desulphuration of said fuel during combustion contains the following, wt %: alkali metal hydroxide 19-29; alkali metal carbonate 26-37; alkali metal chloride 29-50; alkali metal hydrocarbonate 1-2; cryolite 3-4; alkali metal chromate 0.0001-0.0003.EFFECT: additive is mainly meant for solid ash-bearing fuel, lowers temperature for deformation, melting and molten state of sludge, which prevents formation of refractory slag and solves the problem of outlet of slag and cleaning heat-generating equipment from deposits, thus increasing efficiency and service life of the equipment, as well as improving degree of neutralisation of sulphur compounds.2 tbl
ethod to process coal with high content of sulfur // 2405026
FIELD: process engineering.SUBSTANCE: proposed method comprises coal crushing and damping. Crushed and damped coal is heated to sulfur melting point to deposit sulfur on steel electrodes arranged in coal and receiving direct current. Voltage effect on damped coal in air-water medium at sulfur melting point (119.4°C) time sufficient for sulfur that features polar electronegativity to get transferred onto anode steel electrode.EFFECT: simplified process, high degree of extraction of sulfur and sulfur-containing compounds.6 cl, 2 ex
ethod for using of fuel additives being nanosized alloys for non-transparency flame decreasing, scorification, contamination, corrosion and release into atmosphere // 2366690
FIELD: chemistry.SUBSTANCE: method for performance improvement of incinerators includes the following stages: burning of the hydrocarbon fuel in incinerator, determination of the given incinerator burning conditions which can be improved by adding of the special additive which conditions are determined on the base of measuring and calculations including hydrodynamical ones; determination of special points location whereat the additives are added to the incinerator; providing on the base of the said stages of the mode of special additive adding to the incinerator in the determine points. The using of the said mode allows to achieve one or more effect selected from the group including: decrease of the flame non-transparency, burning intensification, scorification decrease, reducing of limiting oxygen index, decrease of unburned coal amount, corrosion decrease and improvement of the electrostatic precipitator performance. In the said method the special additive contains the alloy of following general formula (Aa)n(Bb)n(Cc)n(Dd)n(…)n whereat every capital letter and (…) means metal with A being burning modificator, B meaning modificator of deposits, C meaning corrosion inhibitor, D meaning comodificator of burning/intensificator of electrostatic precipitator perfomance whereat each subindex means the stoichiometric index of the composition with n being not less than zero, sum of all n is more than zero; alloys includes two different metals; if metal is cerium the stoichiometric index is less than approximately 0.7.EFFECT: non-transparency decrease of the flame released into atmosphere by large-scale incinerators used in for power production and waste burning industry and community facilities.30 cl
Safe additives improving burning and methods of its receiving // 2353647
FIELD: metallurgy.SUBSTANCE: invention relates to safety metal-bearing additives improving burning for usage in communal and industry furnaces. Additive contains: complex of metal-bearing catalyst, containing manganese with ligands and dissolvent for transfer of complex catalyst/ligands where steam pressure of additive is less than preliminary 200×10-5 Torr at 100°F. Method of additive receiving, by which: it is chosen metal-bearing catalyst containing manganese for usage in furnaces of general-purpose and/or industrial furnaces, it is formed complex of current metal-bearing catalyst, containing manganese with ligands and it is added dissolvent in order to transfer this complex catalyst/ligands, where steam pressure of additive is less than preliminary 200×10-5 Torr at 100°F.EFFECT: receiving of additives safety for inhalation.13 cl, 3 tbl
Furnace coke processing method // 2336297
FIELD: oil and gas production industry.SUBSTANCE: invention is related to coke-chemical and blast-furnace operations area. Furnace coke processing method that consists of processing pieces of furnace coke unloaded from coke furnace, slaked and sorted at temperature 20-50°C and placed in shipment hoppers by spraying with 2-20% water solution of borate selection from the range: sodium pyroborate, potassium pyroborate, calcium pyroborate. Water solution of pyroborate of concentration required for coke processing is prepared by simple mixing in process vessel of calculated weight of pyroborate and water. The volume of finished solution used for processing shall ensure that amount of dry pyroborate in coke corresponds 0.05-0.5% (weight) in terms of coke. Calculated volume of solution to surface of coke pieces is applied by spraying through nozzles with use of pump.EFFECT: improved strength of coke after reaction and reduced reactivity.2 tbl, 14 ex

Granulated fuel for pyrolysis // 2330876
FIELD: heating.SUBSTANCE: invention refers to compositions for producing a granulated fuel for pyrolysis on the base of peat with modified additives and can be used in minor energetics and housing and communal services. The invention facilitates efficiency of the granulated fuel for pyrolysis. The assigned task and the said technical result are achieved by means of the fuel containing peat as an organic filling material and aluminium silicate material as a modifying additive at a following composition of elements, mas.%: aluminium silicate material 2-30% and peat 70-98. Granules can be made from 5 to 30 mm size by the method of balling on various types of granulators. A betonite clay, clay marl, Cambrian clay, kaolin clay, synthetic zeolite H-Beta-25 or synthetic zeolite H-MORD can be used as an aluminium silicate material.EFFECT: increased combustion value of the fuel facilitating its efficient implementation at low temperature pyrolisis.9 cl, 9 ex, 2 dwg, 10 tbl

ethod of reducing nitrogen oxide (nox) emissions in coal-combusting municipal power-supply furnace // 2292383
FIELD: power-supply processes and equipment.SUBSTANCE: method comprises providing furnace having combustion chamber, wherein coal is combusted in presence of oxygen, supplying coal and metal-containing combustion catalyst to combustion chamber, and supplying oxygen to combustion chamber in amounts reduced relative to those required in absence of metal-containing combustion catalyst, which reduced amounts of supplied oxygen constituting up to 50% of the amount of oxygen above its stoichiometric amount.EFFECT: reduced consumption of oxygen without losses in thermal efficiency and burning stability.9 cl, 1 tbl

ethod of reduction of sulfur dioxide emissions during burning of coals // 2280677
FIELD: treatment of coal for reduction of sulfur dioxide emissions during burning of coal.SUBSTANCE: coal at high content of sulfur is placed in low-pressure medium for cracking of part of coal by extraction of atmospheric fluids entrapped in coal. Then cracked coal is brought in contact with aqueous composition of colloidal silicon oxide oversaturated with calcium carbonate and larger part of aqueous composition is brought out of contact with coal, after which coal is acted on by high pressure in carbon dioxide medium during period of time sufficient for penetration of calcium carbide into cracks in coal. Description is also given for coal cracked in vacuum which contains about 0.5 wt-% of sulfur and additionally contains calcium carbonate deposited in cracks in coal in the amount sufficient for obtaining Ca:S molar ratio equal to at least 0.5. Specification contains also description of obtaining energy in the course of burning coal at high content of sulfur at simultaneous reduction of sulfur dioxide in emissions. Specification contains also description of increase of calcium sulfate obtained in the course of burning coal at high content of sulfur and aqueous composition used for treatment of such coal. Specification contains also description of preparation of aqueous composition for treatment of coal at high content of sulfur in combustion products. Description is also given for device for treatment of coal at pressure.EFFECT: considerable reduction of sulfur dioxide and other toxic gases formed during burning of coal.25 cl, 8 dwg, 3 ex

ethod of simultaneous reduction of amount of nox, co and carbon in ash and additive for coal // 2268915
FIELD: methods of simultaneous reduction of forming NOx, CO and carbon at combustion of fuel containing coal by addition of effective amount of manganese compound.SUBSTANCE: proposed method includes combining coal and additive with manganese-containing compound for forming their mixture which is burnt in combustion chamber. Manganese-containing compound is present in effective amount for reduction of NOx, CO and carbon formed in the course of combustion of coal in combustion chamber in fly ash. Provision is also made for additive for coal at reduction of amount of carbon and NOx formed in the course of combustion of coal. Additive contains manganese compound which is added to coal in the amount of from 1 to 500 parts/min. Proposed method includes also stabilization of combustion of coal in presence of manganese-containing additive. Amount of carbon and NOx in fly ash is reduced relative to their amounts obtained at combustion of coal at absence of manganese-containing additive.EFFECT: improved combustion of coal at simultaneous reduction of NOx, CO and carbon in fly ash.21 cl, 2 dwg, 1 tbl, 4 ex

The way to increase shigemoto coal used in the iron making process // 2144060
The invention relates to a method of increasing the increasing shigemoto coal and, in particular, to a method of increasing shigemoto coal in the iron making process, based on the use of coal
A method of processing coal // 2130046
The invention relates to a method of processing coal, mostly brown, in regions with cold climate
The method of obtaining fuel from lignin // 2129142
The invention relates to toplivoenergeticheskaya area and can be used in the hydrolysis, oil, petrochemical and coal-chemical industry, as well as in the industries of organic synthesis for waste disposal

Solid fuel product and method of forming thereof // 2128685
The invention relates to a solid fuel product and method of forming thereof
The method for producing briquettes from brown coal with reduced emissions of sulfur dioxide by burning // 2126034
The invention relates to the production of briquettes on the basis of brown coal with reduced emissions of sulfur dioxide by burning

The method of processing fine coal with the formation of free current material and free the current material // 2126033
The invention relates to methods for free current granular products from saturated moisture sintered materials and can be used to obtain fuel for combustion in furnaces

Fuel briquette // 2119532
The invention relates to the technology of solid carbonaceous fuel, particularly fuel briquettes, and can be used for domestic purposes, in the field, in transport and in industrial conditions

The method of desulphurization of combustion products of combustion in the furnace of the boiler or furnace high-sulphur fuels // 2079543
The invention relates to a method of desulphurization of combustion products and can be used in heat by burning sulfur fuels in various fuel combustion devices of any capacity

Additive to brown coals to flare combustion in furnaces boilers // 2057165
The invention relates to a method of gas purification from harmful substances generated by the combustion of solid fuel by entering fuel additives

Solid fuel and method of its manufacture // 2043392
The invention relates to the development of solid fuel heat sources and can be used for Autonomous, environmentally friendly, long lasting and economical heating of greenhouses and other buildings in the cold season
A method of enrichment of coal // 2014350
The invention relates to the processing of coal, in particular to a method of enrichment of coal, and can be used in coal and fuel industries