Abstract: A method for preparing dimethyl ether (DME) from synthesis gas, wherein an input, which is formed using shifted and/or non-shifted synthesis gas, undergoes a catalytic conversion, thereby forming a product stream. The product stream undergoes a first separation, wherein a gas mixture is formed by at least partial separation of methanol and/or water from the product stream, and the gas mixture is partially condensed at a first pressure level by means of cooling from a first to a second temperature level. A portion of the gas mixture remaining in gaseous form at the second temperature level is washed in an absorption column with a return predominantly containing dimethyl ether, wherein a dimethyl ether product is formed using the portion of the gas mixture condensed during cooling.

Abstract: A method and system for electrolytically producing at least one product stream containing hydrogen, wherein a feed stream containing at least water is subjected to electrolysis so as to obtain two extraction streams. Downstream of the electrolysis, the two extraction streams are subjected to separation so as to obtain the at least one product stream and two liquid fractions containing water. At least one of the two liquid fractions is fed back at least in part to the electrolysis. Upstream of the electrolysis, the feed stream is heated by exchanging heat with at least one of the two extraction streams. The at least one extraction stream from which heat is removed by means of the heat exchange is subjected to additional cooling, the additional cooling taking place by using an organic Rankine cycle or a Rankine cycle that uses an organic-chemical heat transport medium.

Abstract: A process for producing a purified hydrogen product without a pre-reformer or pre-reforming catalyst in a fired, tubular reformer where the feed stream having a carbon (i.e., C2+) molar composition greater than or equal to five percent and is mixed with a steam stream to yield a reformer feed stream with a steam-to-carbon ratio less than or equal to three. The reformer tubes contain a nickel-based catalyst without alkali promotion.

Abstract: The invention relates to a method for producing a gas product containing oxygen, wherein a feedstock containing water is subjected to electrolysis to obtain a raw anode gas, which is rich in oxygen and contains hydrogen, and a raw cathode gas, which is low in oxygen and rich in hydrogen. The raw anode gas is at least partially subjected to a catalytic conversion of hydrogen to water to obtain a first mixture with depleted hydrogen content. A first part of the first mixture is returned to the raw anode gas downstream of the electrolysis and upstream of the catalytic conversion, and the gas product containing oxygen is formed using at least a second part of the first mixture. The invention also relates to a plant for carrying out a method of this type.

Abstract: The invention relates to a method for producing hydrogen, in which, in a non-electrolytic method, a carbonaceous feed material is converted into non-electrolytically produced hydrogen and one or more further non-electrolytically produced products, and furthermore excess steam is provided using the non-electrolytic process. According to the invention at least a part of the excess steam is used at least intermittently to provide feed steam, which is converted by means of steam electrolysis to electrolytic hydrogen and electrolytic oxygen. The present invention also relates to a corresponding plant.

Abstract: An electrolysis system and an electrolysis method wherein the electrolysis system includes a pressure-electrolytic cell and a throttle in the catholyte line, by which the catholyte flow can be divided into a gas and liquid phase. In this way, (by-)products of the electrolysis can be recycled, while the electrolytic cell can be operated effectively at a high pressure.

Abstract: The invention relates to novel infective agents, the use thereof for the production of a pharmaceutical composition for the treatment and prophylaxes of a disease, preferably an infectious disease, a pharmaceutical composition comprising said compound, and to methods of producing said compounds. The invention further relates to a new probiotic configured for preventing or reducing the colonization by a pathogenic microorganism of an organ of a living being.

Abstract: The invention relates to a method (100) for the electrolytic production of a liquid hydrogen product (4), in which a water-containing feed is subjected to an electrolysis (E) while receiving an anode raw gas (3), rich in oxygen and containing hydrogen, and a cathode raw gas (2) which is depleted of oxygen and rich in hydrogen, wherein the cathode raw gas (2) downstream of the electrolysis (E) is subjected to a purification (R), a compression (K), and a liquefaction (L), characterized in that the cathode raw gas (2) at least partially undergoes intermediate storage (Z) downstream of the electrolysis (E) and upstream of the liquefaction (L). A corresponding installation is also proposed.

Abstract: A method for operating a system for electrolysis in order to obtain at least one gaseous electrolysis product, in which system at least one electrolysis device is electrically connected to a power converter by means of a direct-voltage circuit, the power converter being connected to an alternating-voltage circuit in order to supply the at least one electrolysis device with electrically energy for the operation of the at least one electrolysis device, the power converter being operated by means of zero crossing control. The invention further relates to a system of this type.

Abstract: A method for producing a carbon-monoxide-rich gas product, in which method at least carbon dioxide is subjected to electrolysis, so as to obtain an untreated gas comprising at least carbon monoxide and carbon dioxide, and in which method the untreated gas is subjected to a separation process, which comprises an adsorption and membrane separation, so as to obtain a recycling stream, which comprises the major part of the carbon dioxide contained in the untreated gas, a residual gas, and the carbon-monoxide-rich gas product. A plant for carrying out such a method is also proposed.

Abstract: A device comprising an electrolyser, a compressor, and a membrane separating device, and to a method for changing the operating mode between normal and standby operation of said device, in the normal operation of which an electrolysis raw product comprising carbon dioxide is converted in the electrolyser into an electrolysis product containing carbon dioxide and carbon monoxide, at least one portion of which is conducted via the compressor and is fed at an increased pressure to the membrane separating device in order to obtain a retentate which is enriched in carbon monoxide and depleted of carbon dioxide compared with the electrolysis product. According to the invention, in order to change from the normal operation into the standby operation, the electrolyser is completely isolated from the membrane separating device in terms of flow and then shut down, wherein the pressure ratios in the membrane separating device are largely maintained.

Abstract: Proposed is a process for producing ethylene wherein using a dehydrogenation of ethane a process gas containing at least ethane, ethylene and compounds having a lower boiling point than ethane and ethylene is formed, wherein using at least a part of the process gas a separation input is formed and subjected to a low-temperature separation (6) in which the separation input is cooled and in which one or more condensates are separated from the separation input, wherein the condensate(s) are at least partly subjected to a low-temperature rectification to obtain a gaseous first fraction and a liquid second fraction, wherein the gaseous first fraction contains at least the ethane and the ethylene in a lower proportion than in the separation input and the compounds having a lower boiling point than ethane and ethylene in a higher proportion than in the separation input.

Abstract: A device for the electrochemical production of a product containing CO, and a method for the electrochemical production of a product containing CO, in which a return of a material stream containing the educt and CO is carried out after the electrochemical production.

Abstract: The invention relates to novel infective agents, the use thereof for the production of a pharmaceutical composition for the treatment and prophylaxes of a disease, preferably an infectious disease, a pharmaceutical composition comprising said compound, and to methods of producing said compounds. The invention further relates to a new probiotic configured for preventing or reducing the colonization by a pathogenic microorganism of an organ of a living being.

Abstract: A device for the electrochemical production of a product containing CO, and a method for the electrochemical production of a product containing CO, in which a return of a material stream containing the educt and CO is carried out after the electrochemical production.

Abstract: An electrolysis system and an electrolysis method wherein the electrolysis system includes a pressure-electrolytic cell and a throttle in the catholyte line, by which the catholyte flow can be divided into a gas and liquid phase. In this way, (by-)products of the electrolysis can be recycled, while the electrolytic cell can be operated effectively at a high pressure.

Abstract: A method for the electrochemical production of a gas including CO, in particular CO or syngas, from CO2, wherein the electrochemical production of the gas including CO, in particular CO or syngas, from CO2 takes place in multiple electrolytic cells, which are arranged in series one behind the other in the direction of at least one electrolyte flow and each include a cathode and an anode, wherein the at least one electrolyte flow is conducted through the electrolytic cells which are arranged in series one behind the other and is intermediately cooled between at least two electrolytic cells which are arranged in series one behind the other. A device is adapted for carrying out the method.

Abstract: The invention relates to novel infective agents, the use thereof for the production of a pharmaceutical composition for the treatment and prophylaxes of a disease, preferably an infectious disease, a pharmaceutical composition comprising said compound, and to methods of producing said compounds. The invention further relates to a new probiotic configured for preventing or reducing the colonization by a pathogenic microorganism of an organ of a living being.

Abstract: A process for producing ethylene is proposed in which an ethane- and oxygen-containing reaction input is formed and a portion of the ethane and of the oxygen in the reaction input is converted into ethylene and into acetic acid by oxidative dehydrogenation to obtain a process gas, wherein the process gas contains the unconverted portion of the ethane and of the oxygen, the ethylene and the acetic acid and also water and wherein the process gas is subjected to a water quench. It is provided that the water quench comprises introducing the process gas into a scrubbing column (10, 20, 30, 40, 50) into which in at least two different column portions respective aqueous, liquid scrubbing medium streams are introduced and run in countercurrent to the process gas. A corresponding plant (100) likewise forms part of the subject matter of the invention.

Abstract: A process for producing an olefin having N carbon atoms is proposed in which using a dehydrogenation a process gas is formed which contains at least the olefin having N carbon atoms, a paraffin having N carbon atoms and a hydrocarbon having N?1 carbon atoms and in which using at least a portion of the process gas a separation input is formed which is subjected to a low temperature separation in which the separation input is cooled stepwise over a plurality of temperature levels and condensates are separated from the separation input, wherein the condensates are at least partly subjected to a first low temperature rectification to obtain a first gas fraction and a first liquid fraction, wherein the first gas fraction contains at least the olefin having N carbon atoms in a lower proportion than in the condensates and the hydrocarbon having N?1 in a higher proportion than in the condensates.