ABSTRACT Formic acid is used as a preservative and antibacterial agent in animal feed, as a coagulant in the rubber industry, as a raw material for leather tanning and textile processes, and as a reducing agent in various chemical reactions. The demand for formic acid in Indonesia in 2023 is 3,444,836 tons and is projected to increase by 14,323 tons by 2032. The plant design aims to produce fo…