Ethyl acetate is industrially produced via the direct esterification of acetic acid with ethanol. The leading technology employs reactive distillation, which integrates reaction and separation into a single unit to drive the reaction to completion and significantly reduce energy consumption. This process, utilizing organic acid catalysts, achieves high product purity with low waste generation. Based on this core technology, plants can also be designed with high operational flexibility, allowing the same equipment to switch between producing ethyl acetate, propyl acetate, or butyl acetate based on market demand.