| Special Focus CATALYSTS Catalysts are an imperative part of the chemical reactions that take place in production units. These technologies help the conversion of raw materials into products that are used by billions of people each day. New catalyst technologies are helping refineries and petrochemical producers meet new stringent regulations while helping produce high-quality products in demand around the world. This month's Special Focus examines new catalyst technologies that are advancing the refining and petrochemical processing industries. Photo: ART hydroprocessing catalyst manufacturing facility in Lake Charles, Louisiana (U.S.). Photo courtesy of Chris Huk, courtesy of Advanced Refining Technologies LLC, a JV of Chevron and Grace.