Abstract: The present invention relates to a coated membrane containing: a membrane with a front and a rear face, a catalyst-containing coating which is provided on the front face of the membrane, the catalyst containing a support material which has a BET surface area of maximally 80 m2/g, an iridium-containing coating which is provided on the support material and contains an iridium oxide, an iridium hydroxide or an iridium hydroxide oxide or a mixture of at least two of these iridium compounds, wherein the catalyst contains iridium in a quantity of maximally 60 wt. %, and the coating provided on the membrane front face has an iridium content of maximally 0.4 mg iridium/cm2.

Abstract: The invention relates to a particulate catalyst, containing: —a support material, —an iridium-containing coating which is provided on the support material and which contains iridium oxide, an iridium hydroxide, or an iridium hydroxide oxide, wherein the support material has a BET surface area ranging from 2 m2/g to 50 m2/g, and the iridium content of the catalyst satisfies the following condition: (1.505 (g/m2)×BET)/(1+0.0176 (g/m2)×BET)?Ir-G?(4.012 (g/m2)×BET)/(1+0.0468 (g/m2)×BET), where BET is the BET surface area of the support material, in m2/g, and Ir-G is the iridium content, in wt. %, of the catalyst.

Abstract: A method for recovering noble metal from a heterogeneous catalyst comprising a solid carrier material and palladium, platinum or rhodium, present at least partially in elemental form, said method comprising the steps of converting the noble metal to an oxidation state>0 by treating the heterogeneous catalyst with an oxidizing agent in the presence of hydrochloric acid so as to form a two-phase system A comprising a hydrochloric aqueous phase A1 and a solid phase comprising the carrier material which is insoluble therein, optionally, at least partially separating the hydrochloric aqueous phase A1 from the two-phase system A and adding a further aqueous phase to the remaining residue of the two-phase system A so as to form a two-phase system B comprising a hydrochloric aqueous phase and a solid phase comprising the carrier material insoluble therein.

Abstract: A screw including a shank having a tip end and a rear end, which is located opposite the tip end, and at least one screw thread, which is arranged on the shank, which winds around the shank and which protrudes from the shank, wherein the screw thread includes a separate screw thread section, which is constituted by a separate helix element that is non-monolithically arranged on the shank. The at least one screw thread includes a thread start, which extends further towards the tip end than does the separate screw thread section, and which forms a generally helical continuation of the separate screw thread section, wherein the thread start and the shank are monolithic.

Abstract: Method for manufacturing a profiled rod from a rod-shaped metal blank including a first deformation step, in which the blank is embedded in a first die arrangement, and subsequently, the blank is axially compressed so as to radially displace blank material within the first die arrangement to form a first surface protrusion structure on the blank, and following the first deformation step, a second deformation step, in which the blank is embedded in a second die arrangement, and subsequently, the blank is axially compressed so as to radially displace blank material within the second die arrangement to form a second surface protrusion structure on the blank, wherein at least a section of the second surface protrusion structure is closer to the first end than the first surface protrusion structure is.

Abstract: A screw including a shank, at least one screw thread, which is arranged on the shank, winds around the shank and protrudes from the shank, and a separate helix element, which is arranged non-monolithically on the shank, wherein the separate helix element winds around the shank, protrudes from the shank, and constitutes at least a section of the at least one screw thread. The screw further includes at least one first claw, which projects from the shank, and which has both radial and axial overlap with the separate helix element, wherein the shank and the at least one first claw are monolithic with respect to one another.

Abstract: A production module for producing solid medicaments in individual batches, comprising a supplying device for supplying powdered starting materials, a mixing device connected to the feeding device and is intended for working the supplied powdered starting materials into a product, a final working device connected to the mixing device and is intended for the final production of an end product from the worked starting materials, and a control device for automatically controlling the supplying device and the mixing device and the final working device. Diverters allow a batch to be passed on from the supplying device to the mixing device and from the mixing device to the final working device without any backmixing. Data of all the process sensors and quality sensors of the production module are linked with the respective batch by the control device such that tracking and tracing of the batches is made possible.

Abstract: The invention relates to a method for preparing a catalyst composition, wherein in an aqueous medium containing an iridium compound, at a pH 9, an iridium-containing solid is deposited on a support material, and the support material loaded with the iridium-containing solid is separated from the aqueous medium and dried, wherein, in the method, the support material loaded with the iridium-containing solid is not subjected to a thermal treatment at a temperature of more than 250° C. for a period of time of longer than 1 hour.

Abstract: The invention relates to a method for dosing a target component (20), wherein a dosing system (10) doses the target component (20) to a target value (Z20), which corresponds to a desired nominal value (S20soll), wherein an additional dosing system (12) doses at least one additional component (21, 22, 23) to be follow-on dosed, to a target value (Z21) of the component (21, 22, 23) to be follow-on dosed which is lower than a desired nominal value (S21soll) of the component (21, 22, 23) to be follow-on dosed, wherein an actual value (G20ist) of the target component (20) and at least one actual value (G21ist) of the component (21, 22, 23) to be follow-on dosed are then determined, a content (A) of the target component (20) then being calculated according to the actual value (G20ist) of the target component (20) and/or the actual value (G21ist) of the component (21, 22, 23) to be follow-on dosed and the content (A) being compared to a limit value (T) or tolerance band (T), at least the component (21, 22, 23) to be

Abstract: A device for filling a fill product into a container to be filled in a beverage bottling plant. The device includes a fill product reservoir for storing the fill product, a fill product channel, and a filling member in fluid communication with the fill product reservoir via the fill product channel. The filling member is configured to introduce the fill product into the container to be filled and the filling member communicates via media channels to provide media flows for two or more functions: flushing the container with a flushing gas, pre-pressurizing the container before it is filled, returning gas displaced during the filling of the container, relieving a gas overpressure in the container, and circulating a hot fill product through the filling member for controlling a temperature. A single media channel of the media channels is configured to provide the media flows for at least two of the functions.

Abstract: A device for filling a fill product into a container to be filled in a beverage bottling plant. The device includes a fill product reservoir for storing the fill product, a fill product channel, and a filling member in fluid communication with the fill product reservoir via the fill product channel. The filling member is configured to introduce the fill product into the container to be filled and the filling member communicates via media channels to provide media flows for two or more functions: flushing the container with a flushing gas, pre-pressurizing the container before it is filled, returning gas displaced during the filling of the container, relieving a gas overpressure in the container, and circulating a hot fill product through the filling member for controlling a temperature. A single media channel of the media channels is configured to provide the media flows for at least two of the functions.

Abstract: The present invention relates to a production module (1) for producing solid medicaments (22) in individual batches (37, 38, 39, 40), comprising a supplying device (2) for supplying powdered starting materials, a mixing device (3), which is connected to the feeding device (2) and is intended for working the supplied powdered starting materials into a product, a final working device (4), which is connected to the mixing device (3) and is intended for the final production of an end product from the worked starting materials, and a control device (5) for automatically controlling the supplying device (2) and the mixing device (3) and the final working device (4), characterized in that diverters (6, 7, 9, 12) allow a batch (37, 38, 39, 40) to be passed on from the supplying device (2) to the mixing device (3) and from the mixing device (3) to the final working device (4) without any backmixing, and in that data of all the process sensors and quality sensors of the production module (1) are linked with the respect

Abstract: The invention starts from a known component of quartz glass for use in semiconductor manufacture, which component at least in a near-surface region shows a co-doping of a first dopant and of a second oxidic dopant, said second dopant containing one or more rare-earth metals in a concentration of 0.1-3% by wt. each (based on the total mass of SiO2 and dopant). Starting from this, to provide a quartz glass component for use in semiconductor manufacture in an environment with etching action, which component is distinguished by both high purity and high resistance to dry etching and avoids known drawbacks caused by co-doping with aluminum oxide, it is suggested according to the invention that the first dopant should be nitrogen and that the mean content of metastable hydroxyl groups of the quartz glass is less than 30 wtppm.

Abstract: The invention starts from a known component of quartz glass for use in semiconductor manufacture, which component at least in a near-surface region shows a co-doping of a first dopant and of a second oxidic dopant, said second dopant containing one or more rare-earth metals in a concentration of 0.1-3% by wt. each (based on the total mass of SiO2 and dopant). Starting from this, to provide a quartz glass component for use in semiconductor manufacture in an environment with etching action, which component is distinguished by both high purity and high resistance to dry etching and avoids known drawbacks caused by co-doping with aluminum oxide, it is suggested according to the invention that the first dopant should be nitrogen and that the mean content of metastable hydroxyl groups of the quartz glass is less than 30 wtppm.

Abstract: A silica glass member shows a glassy carbon coating wherein a surface of a silica glass substrate of the silica glass member shows a mean surface roughness (R.sub.a) in a range of 0.03 .mu.m to 2 .mu.m and it is coated with a glassy carbon coating. The member is manufactured by chemically roughening the substrate to a surface roughness in the above recited range; coating the surface of the silica glass substrate with an organic raw material containing carbon, curing and thereafter carbonizing the film of the organic raw material by forming a glassy carbon coating.