Abstract: The invention relates to the field of gas chemistry and, more specifically, to methods and devices for producing aromatic hydrocarbons from natural gas, which involve producing synthesis gas, converting same into methanol, producing, from the methanol, in the presence of a catalyst, a concentrate of aromatic hydrocarbons and water, separating the water, air stripping hydrocarbon residues from the water, and separating-out the resultant concentrate of aromatic hydrocarbons and hydrogen-containing gas, the latter being at least partially used in the production of synthesis gas to adjust the ratio therein of H2:CO 1.8-2.3:1, and can be used for producing aromatic hydrocarbons.

Abstract: The invention relates to method and plant for the production of high-octane gasolines from raw hydrocarbon fractions, fractions of gaseous olefins and oxygenates. A method has been proposed, wherein the feedstock component flow is supplied to a unit for supplying flows to be treated, into the reactor, wherein the reaction is carried out in the presence of a zeolite-containing catalyst, high-octane gasoline is isolated by separation of the conversion product, while diverting simultaneously the reaction water and the exhaust gases.

Abstract: The invention relates to the field of gas chemistry and, more specifically, to methods and devices for producing aromatic hydrocarbons from natural gas, which involve producing synthesis gas, converting same into methanol producing, from the methanol, in the presence of a catalyst, a concentrate of aromatic hydrocarbons and water, separating the water, air stripping hydrocarbon residues from the water, and separating-out the resultant concentrate of aromatic hydrocarbons and hydrogen-containing gas, the latter being at least partially used in the production of synthesis gas to adjust the ratio therein of H2:CO 1.8-2.3:1, and can be used for producing aromatic hydrocarbons.

Abstract: The invention relates to method and plant for the production of high-octane gasolines from raw hydrocarbon fractions, fractions of gaseous olefins and oxygenates. A method has been proposed, wherein the feedstock component flow is supplied to a unit for supplying flows to be treated, into the reactor, wherein the reaction is carried out in the presence of a zeolite-containing catalyst, high-octane gasoline is isolated by separation of the conversion product, while diverting simultaneously the reaction water and the exhaust gases.

Abstract: The invention relates to hydrocarbon feedstock processing technology, in particular, to catalysts and technology for aromatization of C3-C4 hydrocarbon gases, light low-octane hydrocarbon fractions and oxygen-containing compounds (C1-C3 aliphatic alcohols), as well as mixtures thereof resulting in producing an aromatic hydrocarbon concentrate (AHCC). The catalyst comprises a mechanical mixture of 2 zeolites, one of which is characterized by the silica/alumina ratio SiO2/Al2O3=20, pre-treated with an aqueous alkali solution and modified with oxides of rare-earth elements used in the amount from 0.5 to 2.0 wt % based on the weight of the first zeolite. The second zeolite is characterized by the silica/alumina ratio SiO2/Al2O3=82, comprises sodium oxide residual amounts of 0.04 wt % based on the weight of the second zeolite, and is modified with magnesium oxide in the amount from 0.5 to 5.0 wt % based on the weight of the second zeolite. Furthermore, the zeolites are used in the weight ratio from 1.7:1 to 2.

Abstract: The group of inventions relates to a process of co-converting hydrocarbon feedstock with a high content of unsaturated hydrocarbons and aliphatic alcohols into components of high octane gasolines or aromatic hydrocarbons, as well as to catalysts of such a co-conversion. The method of co-converting hydrocarbon fractions and oxygenates into high octane components of fuels or aromatic hydrocarbons including contacting a hydrocarbon stream mixed with oxygenates with a catalyst under a reduced pressure and with heating. The process is carried under using a catalyst that contains the HZSM-5 zeolite that passed thermal and steam treatment.

Abstract: The invention relates to method and plant for the production of high-octane gasolines from raw hydrocarbon fractions, fractions of gaseous olefins and oxygenates. A method has been proposed, wherein the feedstock component flow is supplied to a unit for supplying flows to be treated, into the reactor, wherein the reaction is carried out in the presence of a zeolite-containing catalyst, high-octane gasoline is isolated by separation of the conversion product, while diverting simultaneously the reaction water and the exhaust gases.

Abstract: The invention relates to the field of gas chemistry and, more specifically, to methods and devices for producing aromatic hydrocarbons from natural gas, which involve producing synthesis gas, converting same into methanol producing, from the methanol, in the presence of a catalyst, a concentrate of aromatic hydrocarbons and water, separating the water, air stripping hydrocarbon residues from the water, and separating-out the resultant concentrate of aromatic hydrocarbons and hydrogen-containing gas, the latter being at least partially used in the production of synthesis gas to adjust the ratio therein of H2:CO 1.8-2.3:1, and can be used for producing aromatic hydrocarbons.

Abstract: The invention relates to the field of petrochemistry and petroleum refining, and more-specifically to methods and devices for producing a concentrate of aromatic hydrocarbons from liquid hydrocarbon fractions, which involve feeding initial components into a mixer, heating said components, feeding same to a reactor in which the heated components are converted into aromatic hydrocarbons in the presence of a catalyst, separating same into liquid and gas phases, feeding the gas phase into the mixer, and feeding the liquid phase into a rectification column, from which an aromatic hydrocarbon concentrate is collected, and can be used in petroleum refining and in petrochemistry for producing a concentrate aromatic hydrocarbons. According to the invention, methanol is additionally fed into the mixer. Hydrocarbon components which remain in the rectification column following collection are at least partially fed into the mixer.

Abstract: A method and an installation for producing a concentrate of aromatic hydrocarbons from light aliphatic hydrocarbons and from mixtures thereof with oxygenates. Initial raw material is fed into two in-series-connected reaction units, with zeolite catalysts a mixture obtained following the reaction units is separated into a liquid fraction and a gas fraction, and the gas fraction is fed to the inlet of the first and second reaction unit. The method is characterized in that the gas fraction obtained following the reaction units is separated into a hydrogen-containing gas and into a broad fraction of light hydrocarbons, containing olefins, and in that the hydrogen-containing gas is fed into an oxygenate synthesis unit, in that the resultant oxygenates are fed to the inlet of the first and second reaction unit, and in that the broad fraction of light hydrocarbons, containing olefins, is fed to the inlet of the first reaction unit.

Abstract: The invention relates to the field of gas chemistry and, more specifically, to methods and devices for producing aromatic hydrocarbons from natural gas, which involve producing synthesis gas, converting same into methanol, producing, from the methanol, in the presence of a catalyst, a concentrate of aromatic hydrocarbons and water, separating the water, air stripping hydrocarbon residues from the water, and separating-out the resultant concentrate of aromatic hydrocarbons and hydrogen-containing gas, the latter being at least partially used in the production of synthesis gas to adjust the ratio therein of H2:CO 1.8-2.3:1, and can be used for producing aromatic hydrocarbons.

Abstract: The invention relates to hydrocarbon feedstock processing technology, in particular, to catalysts and technology for aromatization of C3-C4 hydrocarbon gases, light low-octane hydrocarbon fractions and oxygen-containing compounds (C1-C3 aliphatic alcohols), as well as mixtures thereof resulting in producing an aromatic hydrocarbon concentrate (AHCC). The catalyst comprises a mechanical mixture of 2 zeolites, one of which is characterized by the silica/alumina ratio SiO2/Al2O3=20, pre-treated with an aqueous alkali solution and modified with oxides of rare-earth elements used in the amount from 0.5 to 2.0 wt % based on the weight of the first zeolite. The second zeolite is characterized by the silica/alumina ratio SiO2/Al2O3=82, comprises sodium oxide residual amounts of 0.04 wt % based on the weight of the second zeolite, and is modified with magnesium oxide in the amount from 0.5 to 5.0 wt % based on the weight of the second zeolite. Furthermore, the zeolites are used in the weight ratio from 1.7:1 to 2.

Abstract: The invention relates to hydrocarbon feedstock processing technology, in particular, to catalysts and technology for aromatization of C3-C4 hydrocarbon gases, light low-octane hydrocarbon fractions and oxygen-containing compounds (C1-C3 aliphatic alcohols), as well as mixtures thereof resulting in producing an aromatic hydrocarbon concentrate (AHCC). The catalyst comprises a mechanical mixture of 2 zeolites, one of which is characterized by the silica/alumina ratio SiO2/Al2O3=20, pre-treated with an aqueous alkali solution and modified with oxides of rare-earth elements used in the amount from 0.5 to 2.0 wt % based on the weight of the first zeolite. The second zeolite is characterized by the silica/alumina ratio SiO2/Al2O3=82, comprises sodium oxide residual amounts of 0.04 wt % based on the weight of the second zeolite, and is modified with magnesium oxide in the amount from 0.5 to 5.0 wt % based on the weight of the second zeolite. Furthermore, the zeolites are used in the weight ratio from 1.7:1 to 2.

Abstract: (57) Abstract: The invention relates to a method and an installation for producing a concentrate of aromatic hydrocarbons from light aliphatic hydrocarbons and from mixtures thereof with oxygenates. According to the method, an initial raw material is fed into two in-series-connected reaction units, a first unit and a second unit, with zeolite catalysts based on a pentasil group; the reaction units arc distinguished through the conditions for converting the hydrocarbons to aromatic hydrocarbons; a mixture obtained following the reaction units is separated into a liquid fraction and a gas fraction, and the gas fraction is fed to the inlet of the first and second reaction unit.

Abstract: The invention relates to hydrocarbon feedstock processing technology, in particular, to catalysts and technology for aromatization of C3-C4 hydrocarbon gases, light low-octane hydrocarbon fractions and oxygen-containing compounds (C1-C3 aliphatic alcohols), as well as mixtures thereof resulting in producing an aromatic hydrocarbon concentrate (AHCC). The catalyst comprises a mechanical mixture of 2 zeolites, one of which is characterized by the silica/alumina ratio SiO2/Al2O3=20, pre-treated with an aqueous alkali solution and modified with oxides of rare-earth elements used in the amount from 0.5 to 2.0 wt % based on the weight of the first zeolite. The second zeolite is characterized by the silica/alumina ratio SiO2/Al2O3?82, comprises sodium oxide residual amounts of 0.04 wt % based on the weight of the second zeolite, and is modified with magnesium oxide in the amount from 0.5 to 5.0 wt % based on the weight of the second zeolite. Furthermore, the zeolites are used in the weight ratio from 1.7:1 to 2.

Abstract: The invention relates to the field of gas chemistry and, more specifically, to methods and devices for producing aromatic hydrocarbons from natural gas, which involve producing synthesis gas, converting same into methanol, producing, from the methanol, in the presence of a catalyst, a concentrate of aromatic hydrocarbons and water, separating the water, air stripping hydrocarbon residues from the water, and separating-out the resultant concentrate of aromatic hydrocarbons and hydrogen-containing gas, the latter being at least partially used in the production of synthesis gas to adjust the ratio therein of H2:CO 1.8-2.3:1, and can be used for producing aromatic hydrocarbons.