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. 03, 2016
Filed:
Jun. 08, 2011
Erwin Johannes Martinus Giling, Delft, NL;
Earl Lawrence Vincent Goetheer, Mol, BE;
Ralph Joh, Seligenstadt, DE;
Rüdiger Schneider, Eppstein, DE;
Johannes Van Der Meer, Loenen aan de Vecht, NL;
Dirk Verdoes, Pijnacker, NL;
Erwin Johannes Martinus Giling, Delft, NL;
Earl Lawrence Vincent Goetheer, Mol, BE;
Ralph Joh, Seligenstadt, DE;
Rüdiger Schneider, Eppstein, DE;
Johannes Van Der Meer, Loenen aan de Vecht, NL;
Dirk Verdoes, Pijnacker, NL;
SIEMENS AKTIENGESELLSCHAFT, München, DE;
Abstract
A method for treating a contaminated alkaline amino acid salt solution is provided. First, carbon dioxide is introduced into the amino acid salt solution, with the result that carbonate or carbonate salts is or are precipitated, these being filtered off. The remaining filtrate is then cooled, amino acid or amino acid salts being crystallized out and likewise being filtered off. The amino acid or amino acid salt is then dissolved again, with the result that a treated amino acid salt solution is recovered.