Recovery of citric acid - a review

The requirement of citric acid is increasing every year. Therefore, it is i mportant to have an efficient recovery method following the production of c itric acid. At present, most of the manufacturers use the classical method of citric acid recovery which is a precipitation technique using calcium sa lt followed by filtration and subsequently treated with sulphuric acid. Thi s review focuses on the new developments of recovery of citric acid from th e fermentation broth.