Gas containing no flux component is separated from a gaseous mixture containing the flux component to allow the flux component to be recovered. A first water spray unit (20A) that sprays water into the gaseous mixture containing the flux component, a separation unit (10) that includes an introduction port for introducing the gaseous mixture into which water is sprayed from the first water spray unit (20A), the separation unit using a swirling flow to separate the flux component from the gaseous mixture, and a second water spray unit (20B) that forms a precipitation flow inside of the separation unit are provided.

It consists of a bifurcated fan (1) which draws in atmospheric air through air/liquid contact blocks (2) of plastic grids which are sprayed with the liquid to be treated. The blocks change position in order to be sprayed on both front surfaces alternatively and thus remain clean. The liquid evaporates in the contact blocks and the concentrate is dehydrated in a secondary laminar evaporation base (8). The arrangement into converging sectors provides a geometry with minimal aerodynamic losses in a liquid with organic matter. The device includes a central tank (4) which facilitates an aerobic biopurification process aided by the oxygenation in the contact blocks. Thermal exchanges may be included at the air inlet, using residual energy, particularly from thermal engines to which it provides refrigeration and cleaning of exhaust gases.

Der Ultraschall-Umluft-Bürstenwäscher mit Ionisie­rungseinrichtung weist eine Einrichtung (8, 9, 10, 11, 12) zur Einspeisung einer Waschflüssigkeit in feinverteilter Form in den angesaugten Luftstrom (A) und eine Hochspannungs-Ionisierungseinrichtung (4, 17) zur Ionisierung des Luftstroms auf. Stromab von der Ionisierungseinrichtung befindet sich wenigstens eine mit hoher Drehzahl antreibbare Rundbürste (3), die auf Gegenpotential zur Ionisierungseinrichtung liegt. Der Umluftwäscher zeichnet sich durch sehr hohe Reinigungs­wirkung mit Partikelgroßen bis unter 1 µm sowie durch einen sehr geringen Verbrauch an Waschflüssigkeit aus. Die austrittseitige Luft ist zusätzlich entfeuchtet.

Bei einem Verfahren und einer Vorrichtung zum Reinigen von Gasen, wobei die Gase durch kontinuierlich sich erneuernde Reaktionskammern geleitet werden, deren bewegliche Innenflächen von einer dünnen Feststoffschicht überzogen sind, die durch Eintauchen dieser Innenflächen in eine Netzflüssigkeit und anschließende Trocknung im ausge. tauchten Zustand gebildet wird, werden zur Vermeidung von Naßreaktionen auch bei geringer Temperatur der zu reinigenden Gase mit noch nicht getrockneten Schichten die Innenflächen der Reaktionskammern nach dem Austauchen aus der Netzflüssigkeit durch Heißluft getrocknet und danach die zu reinigenden Gase durch die Reaktionskammern geleitet.

A gas scrubber including a chamber (17) having a gas inlet (17a) and gas outlet, the chamber defining a gas flow path from the inlet to the outlet (17b) means for creating at least one curtain of cleansing fluid (18a) across the gas flow path and for creating an associated zone of spray of cleansing fluid (32) on the downstream side of each curtain.

Preferably the means for creating each curtain and associated spray zone include a rotatable disc (18) having perforate regions (30) and means (20) for directing cleansing fluid onto the disc.

An apparatus for washing gases and/or recovering heat therefrom, which apparatus includes a cylindrical treatment vessel (1) having at the bottom thereof a gas inlet (3) connected to a gas supply line (2) and at the top thereof a gas outlet (4) for processed gas; a vertical rotatable centre shaft (5) which carries at least one cup-shaped rotary body (6) having a plurality of openings (7), preferably vertical slots, in the side wall (8) thereof; respective means (9, 10) cooperating with each of said rotary bodies (6) for introducing liquid to at least one location within said at least one rotary body (6); and a liquid outlet (11) at the bottom of the vessel.

The liquid introduced into the rotary body or bodies (6) is thrown as curtains of liquid through the openings (7) against the walls of the treatment vessel by rotating the rotary body or bodies (6). The gas is conveyed past the rotary body or bodies (6) on the outside thereof in a space between the rotary body or bodies (6) and the wall of the vessel to flow substantially upwardly along said wall and the outside of the rotary body or bodies and transversely relative to the direction of flow of the curtains of liquid issuing from the rotary body or bodies (6).

To separate gas containing no flux component from a gaseous mixture containing the flux component and recover the flux component. Water vapor generated in a separation unit is cooled by a condensation unit, recovered as water droplets, and reused. Provided are a first water spray unit (20A) that sprays water into a gaseous mixture containing the flux component; a separation unit (10) that includes an introduction port for introducing the gaseous mixture into which water is sprayed from the first water spray unit (20A), the separation unit using a swirling flow to separate the flux component from the gaseous mixture; a second water spray unit (20B) that forms a precipitation flow inside of the separation unit; and a condensation unit (17) that cools water vapor generated in the separation unit (10) to change the water vapor to water droplets, thereby removing the water vapor.