Method and apparatus for purifying nitration products

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United States of America Patent

PATENT NO 9540313
APP PUB NO 20150174551A1
SERIAL NO

14632086

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Abstract

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The present invention relates to a method for removing impurities from nitrated crude products obtained during the nitration of nitratable aromatic compounds, after removal of the final nitrating acid, by treatment with a washing medium, and also to a plant or apparatus suitable for implementing this method. Further provided by the invention is a production plant for the nitration of nitratable aromatic compounds with subsequent purification of the nitrated products.

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Patent Owner(s)

Patent OwnerAddress
JOSEF MEISSNER GMBH & CO KG50968 KÖLN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gebauer, Jürgen Troisdorf, DE 7 1
Händel, Mirko Neunkirchen-Seelacheid, DE 5 1
Hermann, Heinrich Köln, DE 16 62
Pöhlmann, Jürgen Köln, DE 9 3

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