PROCESS AND PLANT FOR THE DISTILLATION OF TEMPERATURE-SENSITIVE LIQUIDS
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United States of America Patent
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Aug 15, 2013
app pub date -
Jun 8, 2011
filing date -
Jul 11, 2010
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Abstract
For the distillation of temperature-sensitive liquids, in particular acrylic acid and its esters, the liquid is heated in a column and at least partly evaporated. The vapor is guided through a condenser provided inside the column, in which the vapor is at least partly condensed. The condensed liquid is at least partly withdrawn from the column. The distillation is characterized in that the vapor not condensed yet is guided through the condenser cocurrently to the condensed liquid.
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