MÉTODO E APARELHO PARA A PRODUÇÃO DE ÁCIDO ACÉTICO COM UMA PRODUTIVIDADE APERFEIÇOADA DA COLUNA DE EXTREMIDADES DE LUZ

摘要

An improved apparatus for a method of producing acetic acid which method includes condensing overhead vapor to provide reflux to the light ends column as well as condensing vapor from a central portion of the light ends column to increase capacity. Throughput or load on the light ends column is substantially reduced without compromising product quality.