CHEMICAL ENGINEERING occupies a special place among scientific and engineering disciplines. It is an
engineering discipline with deep roots in the world of atoms, molecules, and molecular transformations. The
principles and approaches that make up chemical engineering have a long and rich history of contributions to the
nation's technological needs. Chemical engineers play a key role in industries as varied as petroleum, food,
artificial fibers, petrochemicals, plastics, ceramics, primary metals, glass, and specialty chemicals.