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:
May. 09, 2017
Filed:
Dec. 17, 2014
Basf SE, Ludwigshafen, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to an extraction columnhaving a vertically aligned column bodywhich is cylindrical at least in sections and forms a column cavityhaving a horizontal maximum extent, with provision in the column bodyof at least one first feedfor an extractant, at least one second feedfor the fluid to be extracted and at least one outletfor the extract mixture and at least one outlet for the raffinate. In the inventive extraction column, a vertically aligned dividerarranged within the column cavitysubdivides the column cavityinto a plurality of vertically aligned and horizontally divided regions, the horizontal maximum extent of each region being less than the horizontal maximum extent of the column cavity. The invention further relates to a process for extracting a constituent from a fluid by means of such an extraction column