Abstract:
The invention relates to a method for treating water laden with pollutants for the purpose of making the water drinkable, said method including: an elimination step consisting of contacting said water laden with pollutants, within a stirred contact tank (2), with an active particulate material (19) using a predetermined concentration of the active particulate material (19) in said water; an extraction step consisting of continuously extracting from said contact tank (2) a mixture consisting of water and of active particulate material (19); a separation step consisting of continuously separating said active particulate material (19) from said mixture. According to the invention, the separation step consists in particular of feeding the mixture of water and active particulate material into a filter drum (4).
Abstract:
L'invention concerne un procédé de traitement d'une eau chargée en matières polluantes en vue de sa potabilisation, ledit procédé comprenant : une étape d'élimination consistant à mettre en contact dans une cuve de contact agitée (2) ladite eau chargée en matières polluantes avec un matériau particulaire actif (19) selon une concentration prédéterminée de matériau particulaire actif (19) dans ladite eau; une étape d'extraction consistant à extraire en continu de ladite cuve de contact (2) un mélange constitué d'eau et de matériau particulaire actif 09); une étape de séparation consistant à séparer en continu dudit mélange ledit matériau particulaire actif (19). Selon l'invention, l'étape de séparation consiste notamment à introduire le mélange d'eau et de matériau particulaire actif dans un tambour filtrant (4).
Abstract:
A painting booth (10) comprises a painting chamber (11) inside which the paint is sprayed and which is crossed by an air flow for evacuation of the overspray from the booth. The air flow exiting the booth passes through an overspray removal unit (17) for removing the overspray from the air flow. The removal unit (17) comprises an incoherent mass of cleaning elements (25), possibly pellets, kept in a stirred condition, through which the air flow containing the overspray passes so as to release the overspray onto the elements of the mass. A method for removing the overspray and a plant with the booth (10) and a combustion unit (32) are also described.
Abstract:
Die Erfindung betrifft ein Vorrichtung (10) für das Aufbereiten von partikelförmigem Hilfsmaterial, insbesondere einem Filterhilfsmaterial in Form von Kalksteinmehlen, Quarzsanden oder Zeolithen, welches zumindest anteilig mit einem insbesondere kohlenwasserstoffhaltigen Zusatzstoff, z. B. einem Nasslack-Overspray versetzt ist. Die Vorrichtung (10) enthält eine Behandlungseinrichtung (12), die einen Prozessraum (14) aufweist und eine Einrichtung (18) für das Erzeugen eines Gasstroms hat, der durch den Prozessraum (14) geführt ist und der dem Prozessraum (24) zugeführtes, mit dem Zusatzstoff versetztes Hilfsmaterial in einem Strömungskanal (14) zu einem Austrittsabschnitt (32) mit einer Öffnung für das Austreten von behandeltem Hilfsmaterial durch die Behandlungseinrichtung (12) bewegt.
Abstract:
A nonwoven web having a top surface and a bottom surface, the web containing polymeric fibers of a first polymer coated with at least a second polymer different from said first polymer, and wherein the second polymer coating thickness is a gradient throughout the thickness of the web.
Abstract:
The invention concerns a method for cleaning the upstream surface (14) of a particulate filter (10) of a heat engine exhaust line, the filter (20) being arranged in a casing (12) having an outlet (22) for exhaust gases. The method comprises a step which consists in circulating a liquid flux through the particulate filter (10) from its downstream surface (18) towards its upstream surface (14) viewed from the direction of exhaust gas flow in the filter. The liquid flux circulated through the particulate filter (10) has a flow rate higher than 50 litres/minute and is distributed over the main part of the downstream surface (18) of the particulate filter.
Abstract:
The invention relates to new regeneratable filtration adjuvants which are usable for the filtration of liquids, particularly beer at the end of the secondary fermentation storage, characterized in that they comprise synthetic or natural incompressible polymer grains or natural incompressible grains having a sphericity coefficient varying between 0.6 and 0.9 approximately.
Abstract:
This disclosure includes regenerated inorganic fermented beverage stabilization and/or clarification media and a process for such regeneration. Inorganic stabilization and clarification media (for processing beer or the like) may include expanded perlite or other expanded natural glasses, diatomaceous earth, silica gel or other precipitated silicas and compositions that incorporate these materials. Such media may be regenerated individually, together in a mixture or together as part of a composite product. The regenerated media meet the requirements for physical and chemical properties for re-use and replacement of the majority of particulate inorganic filtration media and inorganic stabilization media consumed in stabilization and clarification processes, and the related regeneration process provides for substantial benefits to brewers through a reduction of costs to purchase and transport stabilization and clarification media, to dispose of spent cake and/or membrane retentate, while providing for substantial reductions in the introduction of soluble impurities into the fermented beverage.
Abstract:
Apparatus comprising an inlet (110), an outlet (130) and a disinfectant source (120) for providing a disinfectant. When an object (200) that needs to be disinfected is coupled to the apparatus, the disinfectant circulates between the object and the apparatus via said inlet and outlet. A system and method for disinfecting an object with the apparatus are also provided. The apparatus is particularly used for disinfecting activated carbon filters devoted to water or air purification.