Process for separating dissolved or colloidal solids from a nonaqueous solvent
AssigneeBayer Aktiengesellschaft
InventorsGregor Dudziak, Andreas Nickel, Kerstin Baumarth, Martina Mutter, Olaf Strange, Rafael Warsitz
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Abstract
Process for the separation of substances present in dissolved and/or colloidal form, in particular of catalysts, from solutions in a nonaqueous solvent, with the aid of a membrane, wherein the solution is passed through a membrane which has a hydrophobic coating and a mean pore size of not more than 30 nm.
Claims17
Process for the separation from a non-aqueous solvent of a substance which is present in said non-aqueous solvent in dissolved form, colloidal form, or in both of such forms, which comprises passing said non-aqueous solvent through a membrane having a hydrophobic coating and a mean pore diameter of not more than 30 nm.
Dependencies are inferred from the claim text.