Process for the purification of caprolactam from a solution of crude caprolactam without organic solvent extraction

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United States of America Patent

PATENT NO 10787417
SERIAL NO

16488016

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The present invention relates to a process for purifying caprolactam from solutions of crude caprolactam by a direct treatment with one or more alkaline compounds of polyvalent metals, preferably bivalent and trivalent, without resorting to organic solvent extraction as used in the usual purification process. A further subject of the present invention is a facility devoid of a unit for organic solvent extraction and designed to carry out the caprolactam purification process described herein.

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AQUAFILSLO D O O1000 LJUBLJANA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cecchetto, Michele Arco-Trento, IT 5 2
Dal, Moro Anacleto Arco-Trento, IT 10 40
Jahic, Denis Ljubljana-Smartno, SI 4 2
Margon, Vid Vrhnika, SI 3 2

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