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Integrated process of distillation with side reactors for synthesis of organic acid esters

United States Patent

9,174,920
November 3, 2015
View the Complete Patent at the US Patent & Trademark Office
An integrated process and system for synthesis of organic-acid esters is provided. The method of synthesizing combines reaction and distillation where an organic acid and alcohol composition are passed through a distillation chamber having a plurality of zones. Side reactors are used for drawing off portions of the composition and then recycling them to the distillation column for further purification. Water is removed from a pre-reactor prior to insertion into the distillation column. An integrated heat integration system is contained within the distillation column for further purification and optimizing efficiency in the obtaining of the final product.
Panchal; Chandrakant B. (Clarksville, MD), Prindle; John C. (Baton Rouge, LA), Kolah; Aspi (Mason, MI), Miller; Dennis J. (Okemos, MI), Lira; Carl T. (East Lansing, MI)
E3TEC Service, LLC (Clarksville, MD), Board of Trustees of Michigan State University (East Lansing, MI)
14/ 517,325
October 17, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under DE-SC0008290 awarded by the U.S. Department of Energy. The government has certain rights in the invention.