The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2009
Filed:
May. 15, 2003
Bror Nyman, Ruispolku 1, FI;
Stig-erik Hultholm, Sitomantie 1, FI;
Eero Ekman, Itálinjakatu, FI;
Launo Lilja, Liisankatu, FI;
Juhani Lyyra, Kalastajankuja, FI;
Pertti Pekkala, Veistotie, FI;
Raimo Kuusisto, Kalastajankuja, FI;
Bror Nyman, Ruispolku 1, FI;
Stig-Erik Hultholm, Sitomantie 1, FI;
Eero Ekman, Itálinjakatu, FI;
Launo Lilja, Liisankatu, FI;
Juhani Lyyra, Kalastajankuja, FI;
Pertti Pekkala, Veistotie, FI;
Raimo Kuusisto, Kalastajankuja, FI;
Outotec Oyj, Espoo, FI;
Abstract
The invention relates to a method for the controlled separation of a dispersion of two liquids formed in the mixing stage of liquid-liquid extraction into their own phases in the separation section of the extraction. In particular the method and equipment relate to the extraction process used in the recovery of metals. In accordance with the method the dispersion band remaining between the separated phases is dammed up using at least one revert member for said purpose located in the separation section. The equipment according to the invention comprises at least one revert member, which is in turn made up of at least two separate parts.