Abstract: The invention relates to a process for the electrolytic dissociation of hydrogen sulfide dissolved in an amine scrubber solution in an electrolysis cell (11) which has an anode space (9) and a cathode space (15), with the anode space (9) and the cathode space (15) being separated by a membrane (13), in which at least one supporting electrolyte is added to the amine scrubber solution, an anion-conducting membrane is used for separating anode space (9) and cathode space (15) and/or the amine scrubber solution in which the hydrogen sulfide is dissolved comprises at least 10% by volume of potassium N,N-dimethylaminoacetate. The invention further relates to a use of the process.

Abstract: The invention relates to a method of storing, transporting and supplying electrochemical energy, with storage and supply being physically separated.

Abstract: An electrolysis device producing alkali metals from a liquid alkali metal heavy metal alloy, including at least two connected tubes forming an electrolysis unit. Two solid electrolyte tubes are arranged concentrically in each tube and oriented with openings towards one end of each tube such that a first annular gap for guiding a liquid alkali metal forming an anode is located between the inside of the tube and the outside of the solid electrolyte tubes. An alloy inlet and outlet for the liquid alkali metal in each of the tubes leads into the first annular gap of a tube. An inner chamber sealed off from the alloy inlet, first annular gap, and alloy outlet in each solid electrolyte tube receives liquid alkali metal that can be used as a cathode connected to the alkali metal outlet. Two respective closure devices are arranged at the two ends of each tube.

Abstract: A thermoelectric material in a shape for forming part of a thermoelectric module, the thermoelectric material is coated with a protective layer to prevent degradation by humidity, oxygen, chemicals or thermal stress.

Abstract: In a thermoelectric module comprising a series of p and n type semiconductors connected in series by conductive contacts, the conductive contacts are in contact with a substrate of moderate to high thermal conductivity that is electrically insulated from the conductive contacts by a resistive surface layer comprising a ceramic material.

Abstract: The invention relates to a process for the electrochemical separation of hydrogen from a hydrogen-comprising reaction mixture R by means of a gastight membrane-electrode assembly comprising at least one selectively proton-conducting membrane and at least one electrode catalyst on each side of the membrane, where at least part of the hydrogen present in the reaction mixture R is oxidized to protons over the anode catalyst on the retentate side of the membrane and the protons are, after passing through the membrane to the permeate side, I reduced to hydrogen over the cathode catalyst and/or II reacted with oxygen over the cathode catalyst to form water, with the oxygen originating from an oxygen-comprising stream O which is brought into contact with the permeate side of the membrane, and also a reactor equipped with at least one membrane-electrode assembly.

Abstract: The invention relates to an improved industrial apparatus for the large-scale storage of energy and a process for storing and transporting electric energy by means of this apparatus.

Abstract: The invention relates to a device for storing heat, comprising a heat storage medium which absorbs heat in order to store heat and releases heat in order to use the stored heat, and a container for holding the heat storage medium, the container being closed by a gastight cover, and the device comprising volume compensation means in order to compensate for a volume increase of the heat storage medium (3) due to a temperature rise and a volume decrease due to a temperature reduction.

Abstract: Mixture comprising elemental sulfur and an additive comprising anions.

Abstract: An electrolysis cell for preparing alkali metals from a liquid alkali metal heavy metal alloy, including a tube arranged essentially horizontally having a closure device at each of the two ends of the tube. At least one solid electrolyte tube arranged concentrically in the tube and oriented with openings towards one end of the tube such that a first annular gap for conducting a liquid alkali metal, which forms an anode, is present between the inside of the tube and the outside of the solid electrolyte tube. An interior space in the solid electrolyte tube, sealed off from an alloy inlet, first annular gap and an alloy outlet, accommodates liquid alkali metal that can be used as a cathode.

Abstract: The present invention relates to mixtures of alkali metal polysulfides and to mixtures of alkali metal polysulfides and alkali metal thiocyanates, to processes for preparation thereof, to the use thereof as heat transfer or heat storage fluids, and to heat transfer or heat storage fluids which comprise the mixtures of alkali metal polysulfides or the mixtures of alkali metal polysulfides and alkali metal thiocyanates.

Abstract: A process for coating internals in a reactor, except for the coating of electrically heatable, at least partly open-cell foams, with a catalytically active material or a precursor thereof, in which an aerosol which contains the catalytically active material or the precursor thereof as a disperse phase is provided and the aerosol is passed through the reactor at a rate in the range from 0.1 to 4 m/s, which is established so that the disperse phase of the aerosol is deposited on the internals in the reactor.

Abstract: An image processor includes a memory that stores image layers, ?-layers associated with the image layers, and pointers linking image areas of the image layers with the ?-layer. A method for blending multiple image layers includes obtaining a transparency value for an image area by reading a pointer associated with the image area and blending the image layers using the obtained transparency value.

Abstract: The invention relates to a process for removing small amounts of water and possible further constituents from alkali metal amalgam, wherein the alkali metal amalgam is brought into contact with an element which is insoluble in mercury and catalyzes the reaction of water with the alkali metal amalgam and the possible further constituents to form hydroxides and hydrogen.

Abstract: The invention relates to an electrolysis cell for preparing liquid alkali metal from a liquid alkali metal-heavy metal alloy, which comprises a tube (1) which is arranged essentially horizontally and has a closure device (4) at each of the two ends of the tube (1), at least one solid electrolyte tube (12) arranged in the tube (1), which conducts alkali metal ions and is closed at one end and has an opening (11) at the other end, with the solid electrolyte tube (12) being arranged concentrically in the tube (1) and having the opening (11) facing one end of the tube (1) so that a first annular gap (13) for conducting the liquid alkali metal-heavy metal alloy which forms one anode is present between the inside of the tube (1) and the outside of the solid electrolyte tube (12), an interior space (14) in the solid electrolyte tube (12) for accommodating the liquid alkali metal which can be utilized as cathode, where the closure device (4) comprises an alkali metal-heavy metal alloy inlet (8) or outlet (9) op

Abstract: A video signal processing system for processing a video data VIN and graphic data D?P includes a filter unit, which receives the video data VIN. The filter unit filters the video data VIN to convert the video data VIN into video pictures formatted with a different number of columns and/or lines, and provides a filtered video signal indicative thereof. The filter unit buffers individual pixels and/or lines in a first memory device. A second memory device receives and stores the graphic data D?P and the filtered video signal and provides stored signals indicative thereof. A third memory device is connected to the second memory, and stores data received from the second memory device. A mixing unit receives and mixes the stored graphic data and the stored filtered video data to provide a video output signal VOUT.

Abstract: A system for the ergonomic communication of a map portion is presented. The map portion may include map information, map background, and additional information. The system includes an interface control unit that may include a graphics control unit, a processor and a memory. The system may include one or more modules for creating an ergonomic presentation including: a border module that may add the additional information to the representation; an adaptation module for adapting the map information and map background and/or additional information with one another, such as within a maximum color contrast; a scale-dependent module that may adapt the color intensity and width of map information as a function of scale and type; and a smoothing module to increase the quality of the map portion representation. The system may include a method for controlling the representation of a map portion.

Abstract: A process is proposed for reducing the aerosol-related discharge from a separation column (1) in which one or more components are separated off from a gaseous or liquid starting mixture (G) at actively separating internals (2), aerosols being present or formed in a gas phase, which comprises the actively separating internals (2) being segmented at one or more separation points, which are determined in such a manner that the aerosols have at least 50% of their maximum particle size at the separation point or separation points, and an internal (3) being provided at each separation point, which internal is operated under at least partially flooded conditions, a continuous liquid phase being formed at least in partial regions of the internal (3), to which region the aerosols are bound.

Abstract: A video signal processing system for processing a video data VIN and graphic data D&mgr;P includes a filter unit, which receives the video data VIN. The filter unit filters the video data VIN to convert the video data VIN into video pictures formated with a different number of columns and/or lines, and provides a filtered video signal indicative thereof. The filter unit buffers individual pixels and/or lines in a first memory device. A second memory device receives and stores the graphic data D&mgr;P and the filtered video signal and provides stored signals indicative thereof. A third memory device is connected to the second memory, and stores data received from the second memory device. A mixing unit receives and mixes the stored graphic data and the stored filtered video data to provide a video output signal VOUT.

Abstract: The invention relates to an electrolysis cell comprising an anode compartment which comprises an aqueous solution of at least one alkali metal salt, a cathode compartment and a solid electrolyte which separates the anode compartment and the cathode compartment from one another, wherein that part of the surface of the solid electrolyte which is in contact with the anode compartment and/or that part of the surface of the solid electrolyte which is in contact with the cathode compartment has/have at least one further ion-conducting layer.