Tall oil fatty acid is derived from purified tall oil, which is a by-product of the Kraft process. Tall Oil Fatty Acid is a low cost and vegetarian lifestyle-friendly used to produce soaps and lubricants. It is also capable of going through chemical reactions to be used as a component in adhesives, varnishes, curing agents and drilling oils. The market for Tall Oil Fatty Acid is forecasted to grow at a CAGR of 4.76% from 2017 to 2021, and also to be worth over USD 1 billion by 2024.
Crude tall oil is the by-product from the Kraft process, produced by skimming off of soap from the multiple effect evaporator. The soap collected undergoes acidification to produce crude tall oil. Fractional distillation of crude tall oil produces tall oil rosin. By further reduction of rosin content from 10-35% to 1-10%, Tall Oil Fatty Acid is obtained, consisting mainly of oleic acid.