April 2021
Special Focus: Clean Fuels
Meeting the Tier 3 challenge with ultra-clean alkylate
The U.S. Environmental Protection Agency (EPA) introduced Tier 3 gasoline sulfur standards in 2017, requiring all U.S. gasoline producers to adhere to an annual 10-ppm average sulfur limit.
The Authors
Edward Griffiths is a Technology Manager for K-SAAT™ alkylation technology at KBR. He has 13 yr of refining and petrochemicals experience in process engineering, plant operations and technology licensing. Mr. Griffiths earned an MEng degree in chemical and process engineering from Newcastle University, UK.
Mitrajit Mukherjeeis the President and Founder of Exelus. His research on engineered zeolites led to the development of the breakthrough solid-acid alkylation catalyst ExSact, which is being licensed as the K-SAAT™ process by KBR. He recently developed a novel mixed-metal oxide catalyst (ExOlt) to produce propylene from propane, which is being licensed as the K-Pro process by KBR. Prior to starting Exelus, he held positions at Catalytica and Lummus. He earned a BS degree in chemical engineering from the India Institute of Technology and an MS degree from Southern Illinois University.
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