Abstract: A feminine hygiene absorbent article comprising water-absorbing polymer particles, obtainable by polymerization of a foamed monomer solution or suspension, drying, grinding and classification.

Abstract: An apparatus, for separating liquid droplets out of a feed gas stream, includes a delay vessel for preliminary separation of some of the liquid droplets out of the feed gas stream under gravity, with an inlet line for the feed gas stream and an outlet line for the gas stream which has been depleted of liquid droplets and which flows out of the delay vessel and a tangential supply thereof into a centrifugal droplet separator. The outlet line is arranged in the upper region of the delay vessel and spaced apart from the inlet line to such an extent that the delay time of the gas stream in the delay vessel is at a maximum, and with an outlet line for the liquid separated in the delay vessel at the base thereof.

Abstract: A method for producing nanoscale organic solid particles is proposed, starting from the corresponding sublimable organic solid as raw material, in the form of particles having an average particle diameter in the range of from 1 ?m to 10 mm, which are dispersed in a carrier gas so as to obtain a dispersion, which is relaxed in a convergent nozzle, which is followed by an expansion chamber, and wherein openings are provided rotationally symmetrically about the midaxis of the expansion chamber in the wall of the expansion chamber which comprises the product outlet opening, through which openings a secondary gas flow is injected comprising an inert gas carrier and molecules, ions or nanoscale particles contained in molecularly disperse form therein, which are different from the raw material and which have an average particle diameter that is less than the average particle diameter of the product.

Abstract: A feminine hygiene absorbent article comprising water-absorbing polymeric foams obtainable by polymerization of a foamed aqueous monomer solution or suspension, comprising an ethylenically unsaturated monomer which bears acid groups and may be at least partly neutralized, a crosslinker, a photoinitiator and a surfactant.

Abstract: A feminine hygiene absorbent article comprising water-absorbing polymer particles, obtainable by polymerization of a foamed monomer solution or suspension, drying, grinding and classification.

Abstract: What is proposed is an apparatus for separating liquid droplets out of a feed gas stream comprising them comprising a delay vessel (1) for preliminary separation of some of the liquid droplets out of the feed gas stream under the action of gravity, with an inlet line (2) for the feed gas stream into the delay vessel (1) and an outlet line (3) for the gas stream which has been depleted of liquid droplets and flows out of the delay vessel (1), and tangential supply thereof into a centrifugal droplet separator (4), the outlet line (3) being arranged in the upper region of the delay vessel (1) and being spaced apart from the inlet line (2) to such an extent that the delay time of the gas stream in the delay vessel (1) is at a maximum, and with an outlet line (5) for the liquid separated in the delay vessel (1) at the base thereof, and wherein the centrifugal droplet separator (4) used is an axially symmetric apparatus with a vertical longitudinal axis and circular cross section, with a jacket and hoods at the upp

Abstract: A process is proposed for continuously purifying a solid mixture comprising a sublimable product of value and components with lower and higher sublimation temperatures by fractional sublimation/desublimation in a hot wall tubular oven (1) with supply of the solid mixture together with an inert gas stream, into which the solid mixture is dispersed by means of a dispersing unit (2), at one end of the hot wall tubular oven (1), heating the dispersed solid mixture in the hot wall tubular oven (1) at a temperature at which the product of value sublimes to obtain a gas mixture comprising components with a higher sublimation temperature than the product of value as solid particles, passing the gas mixture comprising components with a higher sublimation temperature than the product of value as solid particles through a hot gas filter (3) with a suitable pore size in order to retain the solid particles with a higher sublimation temperature than the product of value, cooling the gas mixture from which the components