Abstract: A method of reacting a first compound with a second compound, wherein the first compound has a GHS hazard identification of GHS06 and is obtainable from the reaction of at least one first fluid precursor compound and one second fluid precursor compound and wherein the second compound is capable of a chemical reaction with the first compound is provided

Abstract: The invention relates to a method particularly for reacting phosgene with compounds that contain hydroxyl, thiol, amino and/or formamide groups, comprising the steps of: (I) providing a reactor which has a first reaction chamber (300, 310, 320, 330, 340, 350) and a second reaction chamber (200, 210, 220, 230, 240, 250, 260), the first and the second reaction chambers being separated from one another by means of a porous carbon membrane (100, 110, 120, 130, 140, 150); (II) providing carbon monoxide and chlorine in the first reaction chamber; and simultaneously (III) providing a compound containing hydroxyl, thiol, amino and/or formamide groups in the second reaction chamber. The porous carbon membrane is configured to catalyse the reaction of carbon monoxide and chlorine to obtain phosgene, and to allow this formed phosgene to pass into the second reaction chamber. The invention also relates to a reactor that is suitable for carrying out the claimed method.

Abstract: The invention relates to a continuous-flow synthesis process for the preparation of high quality indium phosphide/zinc sulfide core/shell semiconduting nanocrystals in particular quantum dots (QD) conducted in a micro-reaction system comprising at least one mixing chamber connected to one reaction chamber.

Abstract: A reaction chamber for a chemical reactor comprises a casing (100) of the reaction chamber, a floor (200) of the reaction chamber having an opening (300) located in the floor, an agitator shaft (400) located in the chamber and having at least one agitator element (500), connected thereto, wherein the agitator shaft (400), seen in the longitudinal direction, has a beginning (600) and an end (700). In the opening (300) of the floor (200) a removable sleeve (800) is provided, which projects out of the reaction chamber. The sleeve (800) is arranged in alignment with the axis of rotation of the agitator shaft (400). The internal diameter of the sleeve (800) is greater than the diameter of the agitator shaft (400) and the agitator shaft (400), at the beginning (600) thereof and/or at the end (700) thereof, is adapted to absorb reversibly a torque provided by means of a further shaft and/or to transmit a torque to a further shaft.

Abstract: The present invention relates to a multistage stirred reactor, comprising a multiplicity of mutually adjacent reaction chambers and stirring elements for mixing the contents of at least one of the reaction chambers, wherein, between adjacent reaction chambers, there is in each case provided at least one opening that can be closed by means of closure means, such that in the open state there is a fluidic connection between the adjacent reaction chambers and in the closed state the adjacent reaction chambers are separated from one another. At least one of the closure means (300, 310, 320) is connected to an actuation rod (500, 510, 520) that is guided out of the stirred reactor.

Abstract: The present invention relates to an electrochemical process for the reduction of molecular oxygen in alkaline solutions in the presence of nitrogen-doped carbon nanotubes, in which no hydrogen peroxide forms as a by-product of the reduction.

Abstract: The invention relates to a continuous-flow synthesis process for the preparation of high quality indium phosphide/zinc sulfide core/shell semiconduting nanocrystals in particular quantum dots (QD) conducted in a micro-reaction system comprising at least one mixing chamber connected to one reaction chamber.

Abstract: The present invention relates to a catalyst for preparation of chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, in which the catalyst comprises at least tin dioxide as a support material and at least one ruthenium-containing compound as a catalytically active material, and comprises, as an additional secondary constituent, a compound of an element or an element selected from the group of: Nb, V, Ta, Cr, Mo, Au, In, Sc, Y and lanthanoids, especially La and Ce.

Abstract: The present invention relates to a process for the production of carbon nanotubes, in particular those having a diameter of 3-150 nm and an aspect ratio of length:diameter (L:D)>100, by decomposition of hydrocarbons on a heterogeneous catalyst which comprises Mn, Co, preferably also molybdenum, and an inert support material, and the catalyst and the carbon nanotubes themselves and the use thereof.

Abstract: The invention relates to temperature-stable rigid foams which can be cold formed and have a density of 0 to 100 kg/m (according to DIN 53420), an elongation at break (according to DIN 53430) of 12 to 35%, a percentage of open cells (according to DIN ISO 4590-86) of 51% to 98% and a storage module of the foam (according to DIN EN ISO 6721 B:1996-12) in the temperature range of 60 DEG to 190 DEG C of, on average, greater or equal 0.1 MPa, and to composite materials produced with said foams.

Abstract: The present invention relates to a catalyst for preparation of chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, in which the catalyst comprises calcined tin dioxide as a support and at least one halogen-containing ruthenium compound, and to the use thereof.

Abstract: The present invention relates to a process for the production of carbon nanotubes by decomposition of hydrocarbons on a heterogeneous catalyst in a fluidized bed reactor, wherein the reactor can be operated batchwise or continuously, and in the case of continuous operation discharge can take place with sifting or without sifting.

Abstract: A method for producing a usable by-product in a cyclone reactor. The method comprises introducing a reactant into a housing of the reactor through an inlet; using a burner to combust a first portion of the reactant in an exothermic reaction provided in a flame zone near a center of the housing; consuming a second portion of the reactant in an endothermic reaction near an outer wall of the housing to produce the by-product as part of a slag layer; and removing the slag layer including the by-product though an outlet in the housing; wherein the endothermic reaction takes place at a temperature of at least 1600° C.

Abstract: The invention relates to a continuous-flow synthesis process for the preparation of high quality indium phosphide/zinc sulfide core/shell semiconduting nanocrystals in particular quantum dots (QD) conducted in a micro-reaction system comprising at least one mixing chamber connected to one reaction chamber.

Abstract: Apparatus for hydrogen chloride electrolysis, comprising a cathode that has a layer of nitrogen-doped carbon nanotubes having functional groups containing nitrogen.

Abstract: Process for the endothermic, catalytic gas phase oxidation of hydrocarbons with steam and carbon dioxide to hydrogen and carbon monoxide (synthesis gas), performed in 5 to 30 series-connected reaction zones under adiabatic conditions.

Abstract: Process for the reduction of oxygen in aqueous chlorine- and/or chloride-containing solutions in the presence of a catalyst comprising nitrogen-doped carbon nanotubes.

Abstract: Process for preparing bis(para-amino-cyclohexyl)methane by multiphase reaction of methylenedianiline with hydrogen, in which the reaction is performed in 5 to 50 series-connected reaction zones under adiabatic conditions.

Abstract: The present invention relates to a process for carboxylation of poly/oligothiophenes using CO2.

Abstract: The invention relates to a catalyst and to a process for hydrogenating organic compounds. In particular, the invention is directed to a process and catalyst for hydrogenating organic compounds with hydrogen. The organic compounds are subjected to hydrogenation in the presence of a catalyst comprising nitrogen-doped carbon nanotubes as a catalytically active component, wherein the proportion of nitrogen in the nanotubes is in the range of from about 0.05 to 20 wt. %.