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:
Sep. 20, 2011
Filed:
Sep. 17, 2009
Bror Nyman, Ulvila, FI;
Eero Ekman, Pori, FI;
Stig-erik Hultholm, Pori, FI;
Pertti Pekkala, Espoo, FI;
Juhani Lyyra, Espoo, FI;
Launo Lilja, Pori, FI;
Raimo Kuusisto, Espoo, FI;
Bror Nyman, Ulvila, FI;
Eero Ekman, Pori, FI;
Stig-Erik Hultholm, Pori, FI;
Pertti Pekkala, Espoo, FI;
Juhani Lyyra, Espoo, FI;
Launo Lilja, Pori, FI;
Raimo Kuusisto, Espoo, FI;
Outotec Oyj, Espoo, FI;
Abstract
The invention relates to a method for reversing the dispersion formed in the mixing section of liquid-liquid extraction and kept condensed in the separation section and the separated solutions form the rear end of the separation section to flow back towards the feed end of the separation section. The invention also refers to the extraction equipment for implementing the reversed flow.