APPARATUS AND METHOD FOR REMOVING FINELY DIVIDED SOLIDS FROM A LIQUID FLOW

The present invention relates to an apparatus (8) for filtering, i.e. for clarifying or polishing, a liquid flow containing finely divided solids. In the apparatus (8) according to the present invention, the liquid flow to be filtered is directed to the outer surface of a filter element (3) with hig...

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Bibliographic Details
Main Author RANTALA, PERTTI
Format Patent
LanguageEnglish
French
Published 09.08.2012
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:The present invention relates to an apparatus (8) for filtering, i.e. for clarifying or polishing, a liquid flow containing finely divided solids. In the apparatus (8) according to the present invention, the liquid flow to be filtered is directed to the outer surface of a filter element (3) with high speed and in tangential direction, and thereby, influenced by the generated shearing force, part of the liquid penetrates the filter element (3) and is filtered. More precisely the apparatus (8) comprises a cross- flow tube (2) having a circular cylindrical shape and having apertures directed substantially in tangential direction towards the outer surface of the filter element (3). The invention also relates to a method for removing finely divided solids from a liquid flow.
Bibliography:Application Number: CA20122826439