B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 61/14 (2006.01) B01D 15/04 (2006.01) B01D 37/02 (2006.01) B01J 47/12 (2006.01) C02F 1/64 (2006.01) G21F 9/12 (2006.01)
Patent
CA 2126739
The invention provides a method for separating metallic corrosion products from a water stream. A filter conditioned with a relatively small amount of ion exchange material exhibits comparatively low pressure differential while processing a water stream at commercially desirable flow rates and retention efficiencies. The method permits longer filter runs with a minimal application of material on the filtration surface. The invention additionally provides a filter for separating metallic corrosion products having a relatively broad range of particle sizes from a water stream.
Cette invention concerne une méthode pour séparer des produits de corrosion métallique d'un circuit d'eau. Un filtre conditionné à l'aide d'une quantité relativement faible de matière échangeuse d'ions permet d'obtenir une différence de pression comparativement faible lors du traitement d'un circuit d'eau à des vitesses et avec des efficacités de rétention commercialement acceptables. Cette méthode permet d'obtenir des durées de vie du filtre plus longues, tout en appliquant un minimum de matière sur la surface de filtration. On divulgue, en plus, un filtre pour séparer d'un circuit d'eau des produits de corrosion métallique ayant une gamme de granulométrie relativement large.
Finlayson & Singlehurst
Graver Technologies Inc.
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