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US 6,284,116 B1Granted
Process for treating aqueous solutions comprising bases and organic acids
AssigneeDegussa-Huels Aktiengesellschaft
InventorsKlaus-Diether Wiese, Antje Jakob, Franz-Felix Kuppinger
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Abstract
Bases and organic acids are simultaneously separated from aqueous solutions comprising bases and organic acids by electrochemically treating aqueous solutions containing these components, particularly the aqueous waste solution obtained from an aldolization reaction.
Claims20
A process, comprising:
- simultaneously, electrochemically separating a basic catalyst and an organic acid from an aqueous solution;
- wherein said aqueous solution is produced in aldolization reaction.
A process, comprising:
- simultaneously, electrochemically separating a basic catalyst and an organic acid from an aqueous solution;
- wherein said aqueous solution is produced in aldolization reaction;
- wherein a base in an amount of 0.01-1 mol/l is added to the aqueous solution in said anode chamber.
A process, comprising:
- simultaneously, electrochemically separating a basic catalyst and an organic acid from an aqueous solution;
- wherein said aqueous solution is produced in aldolization reaction;
- wherein the acid to which a base is added is charged into the chambers which serve to receive the anions.
A process, comprising:
- simultaneously, electrochemically separating a basic catalyst and an organic acid from an aqueous solution;
- and
- separating a neutral organic compound from said solution
- wherein said aqueous solution is produced in aldolization reaction.
1 more element
A process, comprising:
- simultaneously, electrochemically separating a basic catalyst and an organic acid from an aqueous solution;
- wherein said aqueous solution is produced in aldolization reaction;
- wherein organic compounds are split electrochemically at the anode.
Dependencies are inferred from the claim text.