Abstract: A method for producing synthesis gas may involve introducing a hydrocarbon-containing coke-oven gas and a carbon dioxide-containing converter gas into a first reaction zone where hydrogen present in the hydrocarbon-containing coke-oven gas reacts at least partly with carbon dioxide to form water, which reacts thermally with hydrocarbon to form synthesis gas containing carbon monoxide and hydrogen. The method may further involve introducing an oxygen-containing gas in a second reaction zone, and using the oxygen-containing gas and some hydrogen from the first reaction zone to produce thermal energy. Still further, the method may involve supplying the thermal energy produced in the second reaction zone to the first reaction zone.

Abstract: The invention relates to a method of carrying out heat-consuming processes, wherein the total energy required averaged over a year for the heat-consuming process originates from at least two different energy sources, where one of the energy sources is an electric energy source whose power varies in the range from 0 to 100% of the total power required, and three different energy modes can individually provide the total power required for the heat-consuming process: (i) exclusively electric energy, (ii) a mixture of electric energy and at least one further nonelectric energy source or (iii) exclusively nonelectric energy, where the changeover time in which the change from one energy mode to another energy mode is completed is not more than 30 minutes.

Abstract: The invention relates to a process for utilizing a hydrocarbon-comprising and/or carbon dioxide-comprising coproduct gas, accompanying gas and/or biogas, wherein hydrocarbon-comprising and/or carbon dioxide-comprising coproduct gas, accompanying gas and/or biogas is introduced into a reaction space and the multicomponent mixture comprised in the coproduct gas, accompanying gas and/or biogas is converted in a high-temperature zone at temperatures of more than 1000° C. and in the presence of a carrier into a product gas mixture which comprises more than 95% by volume of CO, CO2, H2, H2O, CH4 and N2 and optionally into a carbon-comprising solid which is deposited to an extent of at least 75% by weight, based on the total mass of the carbon-comprising solid, on the carrier where the flow velocity of the gas mixture of coproduct gas, accompanying gas and/or biogas in the reaction zone is less than 20 m/s.

Abstract: A method for producing synthesis gas may involve introducing a hydrocarbon-containing coke-oven gas and a carbon dioxide-containing converter gas into a first reaction zone where hydrogen present in the hydrocarbon-containing coke-oven gas reacts at least partly with carbon dioxide to form water, which reacts thermally with hydrocarbon to form synthesis gas containing carbon monoxide and hydrogen. The method may further involve introducing an oxygen-containing gas in a second reaction zone, and using the oxygen-containing gas and some hydrogen from the first reaction zone to produce thermal energy. Still further, the method may involve supplying the thermal energy produced in the second reaction zone to the first reaction zone.

Abstract: A plant for producing ethylene having a reactor to effect oxidative coupling of methane, a work-up unit connected to the reactor to separate a first material stream produced by the reactor into a C1? material stream and an ethylene product stream and a separation unit connected to the work-up unit to separate the C1? material stream into a hydrogen-rich product stream and a hydrogen-lean residual gas stream. The plant also includes a steam cracker to produce (5) for producing an olefin-containing and hydrogen-containing crude gas stream. The steam cracker is connected to the work-up unit that separates the crude gas stream along with the first material stream into the C1? material stream and the ethylene product stream. A portion of the residual gas stream is recycled to the reactor. A process for producing ethylene using the plant is also described.

Abstract: A process and system for the generation of synthesis gas that is provided, in particular, for preparing hydrocarbon-containing fuel, ammonia or urea. The process follows the steps of providing a first feed gas stream of methane and reacting the first feed gas stream with steam in a reforming step, obtaining a synthesis gas stream of CO and H2. It is further provided that at least one first substream is separated off from the feed gas stream before the reforming step, the first substream is then burnt with a second feed gas stream of at least 95% by volume oxygen to give an exhaust gas stream comprising CO2 and water, and at least one part of the exhaust gas stream is recirculated to the feed gas stream after the first substream is separated off.

Abstract: The invention relates to a process for parallel preparation of hydrogen and one or more carbonaceous products, in which hydrocarbons are introduced into a reaction space (R) and decomposed thermally to carbon and hydrogen in the presence of carbon-rich pellets (W). It is a feature of the invention that at least a portion of the thermal energy required for the hydrocarbon decomposition is introduced into the reaction space (R) by means of a gaseous heat carrier.

Abstract: The invention relates to a process for utilizing a hydrocarbon-comprising and/or carbon dioxide-comprising coproduct gas, accompanying gas and/or biogas, wherein hydrocarbon-comprising and/or carbon dioxide-comprising coproduct gas, accompanying gas and/or biogas is introduced into a reaction space and the multicomponent mixture comprised in the coproduct gas, accompanying gas and/or biogas is converted in a high-temperature zone at temperatures of more than 1000° C. and in the presence of a carrier into a product gas mixture which comprises more than 95% by volume of CO, CO2, H2, H2O, CH4 and N2 and optionally into a carbon-comprising solid which is deposited to an extent of at least 75% by weight, based on the total mass of the carbon-comprising solid, on the carrier where the flow velocity of the gas mixture of coproduct gas, accompanying gas and/or biogas in the reaction zone is less than 20 m/s.

Abstract: The invention relates to a method of carrying out heat-consuming processes, wherein the total energy required averaged over a year for the heat-consuming process originates from at least two different energy sources, where one of the energy sources is an electric energy source whose power varies in the range from 0 to 100% of the total power required, and three different energy modes can individually provide the total power required for the heat-consuming process: (i) exclusively electric energy, (ii) a mixture of electric energy and at least one further nonelectric energy source or (iii) exclusively nonelectric energy, where the changeover time in which the change from one energy mode to another energy mode is completed is not more than 30 minutes.

Abstract: A plant for producing ethylene having: a reactor to effect oxidative coupling of methane, a work-up unit connected to the reactor to separate a first material stream produced by the reactor into a C1? material stream and an ethylene product stream and a separation unit connected to the work-up unit to separate the C1? material stream at least into a hydrogen-rich product stream and a hydrogen-lean residual gas stream. The plant also includes a steam cracker to produce (5) for producing an olefin-containing and hydrogen-containing crude gas stream. The steam cracker is connected to the work-up unit that separates the crude gas stream along with the first material stream into the C1? material stream and the ethylene product stream. A portion of the residual gas stream is recycled to the reactor. A process for producing ethylene using the plant is also described.

Abstract: The invention relates to processes for production of dimethyl ether from methane or natural gas comprising: a dry-reforming step, wherein methane and carbon dioxide are converted into carbon monoxide and hydrogen, and a DME synthesis step, wherein the carbon monoxide and hydrogen formed in the dry-reforming step are converted into dimethyl ether, wherein the dry-reforming step and the synthesis step are carried out at identical pressures or at pressures, which do not differ more than 3 bar, preferably not more than 1 bar.

Abstract: The invention relates to processes for production of dimethyl ether from methane or natural gas comprising: a dry-reforming step, wherein methane and carbon dioxide are converted into carbon monoxide and hydrogen, and a DME synthesis step, wherein the carbon monoxide and hydrogen formed in the dry-reforming step are converted into dimethyl ether, wherein the dry-reforming step and the synthesis step are carried out at identical pressures or at pressures, which do not differ more than 3 bar, preferably not more than 1 bar.

Abstract: The present invention relates to a method for preparing linear alpha-olefins (LAO) by oligomerization of ethylene in the presence of a solvent and homogeneous catalyst, comprising the steps of: (i) feeding ethylene, solvent and catalyst into an oligomerization reactor, (ii) oligomerizing the ethylene in the reactor, (iii) removing a reactor outlet stream comprising solvent, linear alpha-olefins, optionally unreacted ethylene and catalyst from the reactor via a reactor outlet piping system, (iv) dosing at least one additive selected from the group consisting of alcohols, poly-ethylene glycols, polyethylene glycol monoethers, polyethylene glycol diethers, polyamines, amines, amino alcohols and surfactants, (v) transferring the reactor outlet stream containing the additive to a catalyst deactivation and removal section, and (vi) deactivating the catalyst with caustic and removing the deactivated catalyst from the reactor outlet stream, wherein the residence time of the additive in the reactor outlet stream pri

Abstract: The invention relates to a process for parallel preparation of hydrogen and one or more carbonaceous products, in which hydrocarbons are introduced into a reaction space (R) and decomposed thermally to carbon and hydrogen in the presence of carbon-rich pellets (W). It is a feature of the invention that at least a portion of the thermal energy required for the hydrocarbon decomposition is introduced into the reaction space (R) by means of a gaseous heat carrier.

Abstract: The present invention relates to a method for preparing linear alpha-olefins (LAO) by oligomerization of ethylene in the presence of a solvent and homogeneous catalyst, comprising the steps of: (i) feeding ethylene, solvent and catalyst into an oligomerization reactor, (ii) oligomerizing the ethylene in the reactor, (iii) removing a reactor outlet stream comprising solvent, linear alpha-olefins, optionally unreacted ethylene and catalyst from the reactor via a reactor outlet piping system, (iv) dosing at least one additive selected from the group consisting of alcohols, poly-ethylene glycols, polyethylene glycol monoethers, polyethylene glycol diethers, polyamines, amines, amino alcohols and surfactants, (v) transferring the reactor outlet stre con the additive to a catalyst deactivation and removal section, and (vi) deactivating the catalyst with caustic and removing the deactivated catalyst from the reactor outlet stream, wherein the residence time of the additive in the reactor outlet stream prior to m

Abstract: A method and apparatus for treating a fraction consisting predominantly of hydrocarbons having at least six carbon atoms (C6+ fraction) as produced in a plant for catalytic splitting of hydrocarbon-containing feedstock, is disclosed. The C6+ fraction undergoes steam dealkylation, where two useable product materials benzene and hydrogen are produced.

Abstract: A method and apparatus for treating a fraction consisting predominantly of hydrocarbons having at least six carbon atoms (C6+ fraction) as produced in a plant for the catalytic reforming of hydrocarbon-containing feedstock, is disclosed. The C6+ fraction is taken for steam dealkylation where the useable products benzene and hydrogen are produced.

Abstract: A method and apparatus for treating a fraction consisting predominantly of hydrocarbons having at least six carbon atoms (C6+ fraction) as produced in a plant for generating hydrocarbons from the steam reforming of hydrocarbon-containing feedstock, is disclosed. The C6+ fraction is conducted to steam dealkylation following hydration where the usable products benzene and hydrogen are produced.

Abstract: A method and apparatus for treating a fraction consisting predominantly of hydrocarbons having at least seven carbon atoms (C7+ fraction) as produced in a plant for generating hydrocarbons from the steam reforming of hydrocarbon-containing starting material (olefin plant), is disclosed. The C7+ fraction is conducted to steam dealkylation following hydration where the useable products benzene and hydrogen are produced.

Abstract: A method and apparatus for treating a fraction consisting predominantly of hydrocarbons having at least seven carbon atoms (C7+ fraction) as produced in a plant for catalytic reforming of hydrocarbon-containing feedstock, is disclosed. Following hydration, the C7+ fraction is taken to steam dealkylation where the useable products benzene and hydrogen are produced.