A refinement in the purification of carboxylic acids and aqueous carboxylic acids, such as acetic acid, from alcohol/acetic acid mixtures is known.
Within the past decade, U.S. Pat. No. 3,903,254 to Good et al. introduced a commercially successful multistage process wherein a synthesis gas comprising carbon monoxide and hydrogen is converted to a synthesis product comprising carbon monoxide and methanol in a Fischer ec5d62056f
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