EP 0483157 A4 19920819 - REMOVAL OF CONTAMINANTS

Title (en)

REMOVAL OF CONTAMINANTS

Publication

EP 0483157 A4 19920819 (EN)

Application

EP 90908424 A 19900607

Priority

AU 5724090 A 19900607
AU PJ461089 A 19890608

Abstract (en)

[origin: WO9015024A1] A method of recovering contaminants from suspension or solution in a liquor comprises the steps of forming a foam of the liquor, displacing said foam onto a drainage device to dry said foam and separate the liquor said contaminants being retained in the dried foam and the drained liquor being reduced in contaminant content.

IPC 1-7

C02F 1/24; B03D 1/002

IPC 8 full level

C02F 1/24 (2006.01); C02F 1/52 (2006.01)

CPC (source: EP)

C02F 1/24 (2013.01); C02F 1/5236 (2013.01)

Citation (search report)

[X] US 4738784 A 19880419 - SUGIHARA KAZUTOYO [JP]
[X] US 4743379 A 19880510 - SUGIHARA KAZUTOYO [JP], et al
[X] US 4203837 A 19800520 - HOGE JOHN H [US], et al
[X] US 4198294 A 19800415 - DEANE THOMAS NEWELL [US]
See references of WO 9015024A1

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB IT LI LU NL SE

DOCDB simple family (publication)

WO 9015024 A1 19901213; AU 5724090 A 19910107; AU 638717 B2 19930708; EP 0483157 A1 19920506; EP 0483157 A4 19920819

DOCDB simple family (application)

AU 9000250 W 19900607; AU 5724090 A 19900607; EP 90908424 A 19900607