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:
Jan. 22, 2019
Filed:
Mar. 17, 2016
Basf SE, Ludwigshafen am Rhein, DE;
BASF SE, Ludwigshafen am Rhein, DE;
Abstract
The invention relates to a crossflow tray for a mass transfer column () in which a gas is conducted in countercurrent to a liquid, the crossflow tray () having passage orifices () for the gas and at least two downcomers (), the downcomers () projecting beyond the top surface of the crossflow tray () and a collecting cup () being disposed beneath each downcomer (). The downcomer () projects into the collecting cup (), the minimum horizontal cross-sectional area of the collecting cup () is 1.2 to 4 times greater than the horizontal cross-sectional area of the downcomer () at the outlet, and the collecting cup () has a circumferential wall () having an overflow (). The invention further relates to a mass transfer column comprising the crossflow trays and to a use of the mass transfer column.