Global Patent Index - EP 1084753 A2

EP 1084753 A2 2001-03-21 - Procees and device for pneumatic flotation separation

Title (en)

Procees and device for pneumatic flotation separation

Title (de)

Verfahren und Vorrichtung zur Trennung mittels pneumatischer Flotation

Title (fr)

Procédé et dispositif pour la séparation par flottation pneumatique

Publication

EP 1084753 A2 (EN)

Application

EP 00307484 A

Priority

GB 9921716 A

Abstract (en)

A separating device (10) especially for use in a pneumatic flotation system comprises an annular channel (18), at least one nozzle (16) for introducing aerated pulp substantially horizontally and tangentially into the annular channel (18), froth extraction means (26) for the removal of separated froth from the annular channel (18), and pulp extraction means (24) for the removal of separated pulp from the annular channel (18), the at least one nozzle (16) being configured so that the aerated pulp introduced into the annular channel (18) rotates therein with centrifugal forces of between 5 and 20 ms<-2>. <IMAGE>

IPC 1-7 (main, further and additional classification)

B03D 1/14

IPC 8 full level (invention and additional information)

B03D 1/14 (2006.01)

CPC (invention and additional information)

B03D 1/1418 (2013.01); B03D 1/247 (2013.01); B03D 1/1462 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1084753 A2 20010321; EP 1084753 A3 20020109; EP 1084753 B1 20061018; AT 342772 T 20061115; DE 60031344 D1 20061130; DE 60031344 T2 20070524; ES 2274766 T3 20070601; GB 9921716 D0 19991117

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