Use of adsorbents for the purification of dry cleaning solvents
AssigneeSud-Chemie AG
InventorsJose Antonio Ortiz Niembro, Eric Thomassiny Villaurrutia, Jorge Bello, Darren James Litle
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Abstract
The present invention refers to the use of an adsorbent comprising particles comprising an amorphous phase and a crystalline phase for the purification of dry cleaning solvents. The present invention furthermore relates to a filter unit containing such an adsorbent. It also refers to a dry cleaner containing a filter according to the invention. Additionally, the present invention refers to a process for dry cleaning textiles, wherein an adsorbent according to the invention is used.
Claims13
A method for the purification of dry cleaning solvents, comprising use of an adsorbent comprising particles comprising an amorphous silica phase and a smectite phase, wherein the ratio of smectite phase/amorphous phase is within a range of 2 to 0.5.
Dependencies are inferred from the claim text.