METHOD FOR PREPARING ORGANIC ACID HAVING ENHANCED SELECTIVITY AND YIELD OF ORGANIC ACID

摘要

PURPOSE: A method for preparing an organic acid is provided to easily separate an organic acid from an aldehyde compound as a raw material and to prepare a high purity organic acid in a high yield. CONSTITUTION: The method for preparing an organic acid comprises the steps of: mixing a compound containing 1 to 2 aldehyde groups and a solvent; and obtaining the organic acid by reacting the mixture with liquid pure oxygen or O2-enriched air containing 25 to 90% oxygen at a reaction temperature of 0 to 70 deg.C and a reaction pressure of an atmospheric pressure to 10 kg/cm¬2 for 2 to 10 hours. An amount of the solvent is 1 to 55 wt% to the compound containing the aldehyde group.