Team

Brian Visioli

Senior Engineer

Experience

  • October 2025–PresentSenior Process Engineer, Trimeric Corporation
  • April 2021–September 2025Global Director, Adsorbents & Alumina Catalysts, Evonik
  • June 2014–April 2021Business Segment Manager, Sulfur Recovery, Porocel
  • September 2013–June 2014Technical Services Engineer, Porocel
  • January 2009–September 2013Process Engineer, Phillips 66
  • January 2008–December 2008Gas Hydrate Intern, National Institute of Standards and Technology, U.S. Department of Commerce

Fields of Experience

Mr. Visioli is a chemical engineer with 14 years’ experience in oil refining, petrochemical, and gas processing applications. With deep expertise in sulfur recovery catalysis and adsorption technologies, Mr. Visioli has provided catalyst bed design, unit optimization recommendations, and hands-on technical support for numerous unit startups, shutdowns, and troubleshooting efforts across the United States, Canada, Europe, the Middle East, India, and Asia. Mr. Visioli has been instrumental in the development, scale-up, and launch of multiple catalyst products in the oil refining and sulfur recovery industries.

Selected areas of professional experience include:

  • Adsorbent technologies for gas treating in refining, petrochemical, and specialty applications
  • Sulfur recovery unit catalyst configuration optimization
  • SRU/TGTU startup, shutdown, troubleshooting, and optimization
  • Process simulation using Aspen HYSYS and Symmetry
  • Cross-functional project management with technical and commercial stakeholders
  • Technical communication and client support in industrial environments

Education

  • 2011B.S., Chemical Engineering, University of Colorado at Boulder

Publications

  • McKaskle, R., K. Fisher, Z. Pickering, B. Visioli. “Overview of Proven and Emerging CO₂ Purification Processes for CO₂ Capture, Utilization, and Storage.” Presented at the Laurance Reid Gas Conditioning Conference 2026, Norman, OK.
  • Visioli, B. “Reuse, recycle, Repurpose,” Hydrocarbon Engineering, Vol. 30, No. 9, pp. 68-72, September 2025.
  • Visioli, B. “Reactivated catalysts meet demands of sulphur recovery technology market,” Hydrocarbon Processing,” August 2024. [Online].
  • Visioli, B. “The Middle Ground: SRU & TGU Improvement Through Informed Catalyst Selection,” Presented at Middle East Sulfur Producers Operations Network (MESPON), Abu Dhabi, UAE, May 2024.
  • Visioli, B. “A Coordinated and Holistic Approach to SRU & TGTU Catalyst Selection,” Presented at Brimstone Sulfur Symposium, Vail, CO, USA, September 2023.
  • Visioli, B. “Reaping the rewards of recycling,” Sulphur, Vol. 406, pp. 26-32, June 2023.
  • Visioli, B. “Reducing the carbon footprint of tail gas treating with reactivated catalysts,” Decarbonisation Technology, May 2023. [Online].
  • Visioli, B. “Reactivated catalysts can offer sustainability benefits in TGTUs,” Digital Refining, Catalysis PTQ, March 2023. [Online]
  • Visioli, B., A. Enderlin, P.A. Kincannon, “When Yellow Goes Green: Sustainability for Tail Gas Catalysts,” Presented at SulGas Conference, Mumbai, India, February 2023.
  • Visioli, B. “Catalyst Design Considerations for Tail Gas Treating Units,” Presented at REFCOMM, Galveston, TX, United States, April 2018.
  • Bela, F., S. Pontfoort, M. Rameshni, E. Nasato, B. Visioli. “Soot Formation on Claus Catalyst,” Sulphur, No. 361, pp. 32-44. November 2015.

Patents

  • Method of Processing Sulfur-Bearing Wastes from Refineries and Upgraders. J. Seamans, T. McHugh, B. Visioli. U.S. Patent 11,351,500, June 7, 2022.
  • Reactivated Hydroprocessing Catalysts for Use in Sulfur Abatement. T. McHugh, J. Seamans, B. Visioli, P.A. Kincannon, J.W. Thompson, A. Enderlin. U.S. Patent 11,629,297, October 4, 2021.