Chemical processing refers to the use of chemical reactions to transform raw materials into useful products. Chemical processing is used in a wide variety of industries, including the production of food, pharmaceuticals, fuels, plastics, and many others.

Chemical processing typically involves a series of steps, including mixing and blending of raw materials, chemical reactions, separation and purification of products, and packaging and shipping of finished products. Chemical engineers play a key role in designing and optimizing chemical processes to ensure that they are safe, efficient, and cost-effective. Some common chemical processes include distillation, crystallization, filtration, extraction.