Method for recovering guanidine salts
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United States of America Patent
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Aug 17, 1999
Grant Date -
N/A
app pub date -
Aug 20, 1996
filing date -
Feb 22, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for recovering guanidine salts from diluted and contaminated aqueous solutions is described, wherein the corresponding aqueous solution (diluate) is subjected to electrodialysis and the guanidine salt is concentrated on the concentrate side. The corresponding guanidine salt can thus largely be separated from all contaminants while a relatively highly concentrated product is simultaneously obtained.
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