METHOD FOR PREPARING A PRECOAT ON THE SURFACE OF THE FILTER MEDIUM OF A POLISHING FILTER, POLISHING FILTER AND USE OF A POLISHING FILTER

METHOD FOR PREPARING A PRECOAT ON THE SURFACE OF THE FILTER MEDIUM OF A POLISHING FILTER, POLISHING FILTER AND USE OF A POLISHING FILTER

Method for preparing a precoat (3) on the surface of the filter medium (2) of a polishing filter (1), polishing filter (1) and use of a polishing filter. The essential feature in the invention is that in the polishing filter (1), the precoat (3) is formed either exclusively or jointly from the under...

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Hauptverfasser: KAUPPI, JANNE, OINONEN, YRJOE, TANTTU, LEENA
Format: Patent
Sprache:eng ; fre
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PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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creator KAUPPI, JANNE
OINONEN, YRJOE
TANTTU, LEENA
description Method for preparing a precoat (3) on the surface of the filter medium (2) of a polishing filter (1), polishing filter (1) and use of a polishing filter. The essential feature in the invention is that in the polishing filter (1), the precoat (3) is formed either exclusively or jointly from the underflow created in the separation process. L'invention porte sur un procédé pour la préparation d'une sous-couche (3) sur la surface du matériau filtrant (2) d'un filtre à polir (1), sur un filtre à polir (1) et sur l'utilisation d'un filtre à polir. La caractéristique essentielle dans l'invention consiste en ce que, dans le filtre à polir (1), la sous-couche (3) est formée soit exclusivement soit conjointement à partir de la sousverse créée dans le procédé de séparation.
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subjects PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title METHOD FOR PREPARING A PRECOAT ON THE SURFACE OF THE FILTER MEDIUM OF A POLISHING FILTER, POLISHING FILTER AND USE OF A POLISHING FILTER
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