Device special for producing and purifying chromatographic grade acetonitrile
A device special for producing and purifying chromatographic grade acetonitrile is safe in production, high in quality and capable of automatically operating. A steam outlet of a reaction kettle of a pretreatment system is connected with an acetonitrile steam inlet of a backflow rectifying tower A,...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
02.11.2011
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Subjects | |
Online Access | Get full text |
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Summary: | A device special for producing and purifying chromatographic grade acetonitrile is safe in production, high in quality and capable of automatically operating. A steam outlet of a reaction kettle of a pretreatment system is connected with an acetonitrile steam inlet of a backflow rectifying tower A, an acetonitrile steam outlet of the backflow rectifying tower A is connected with an acetonitrile steam inlet of a backflow condensator A, and an acetonitrile steam outlet of the backflow condensator A is connected with a receiving tank of semifinished products and connected with the rectifying tower A through a backflow pipeline 1. The bottom of the receiving tank of the semifinished products is connected with a distilling still of a rectifying and purifying system and the reaction kettle through a backflow pipeline 2. The acetonitrile steam outlet of the distilling still of the rectifying and purifying system is connected with an acetonitrile steam inlet of a backflow rectifying tower B, an acetonitrile steam out |
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Bibliography: | Application Number: CN2011294065U |