4th International Symposium on Runaway Reactions, Pressure Relief Design, and Effluent Handling

Mark your calendars for September 27-30, 2026 and enjoy three days of technical sessions, networking, and learning opportunities in London, United Kingdom. The 4th International Symposium on Runaway Reactions, Pressure Relief Design, and Effluent Handling is dedicated to exploring the latest developments and providing participants with the highest-level insights from leading experts in the field.

Stay tuned for more information on abstract submissions and registration for this exciting event.

Last Symposium Sessions

The 3rd International Symposium heard 26 sessions discussing a wide range of topics and was attended by more than 100 professionals working in the field of process safety and relief design. Here are just a few of the sessions you may have missed from that symposium:

Venting of a Runaway Organic Peroxide Decomposition in Viscous Solvents on Pilot-Scale
T. J. Snee, L. Cuseo, J. A. Hare, D. C. Kerr and M. Royle

Application of the VSP2 in Process Safety
Warren Greenfield

Experimental and Theoretical Modeling of Runaway Polymerization Under Free-radical Initiation
Joseph C. Leung and Charles F. Askonas

A Detailed Kinetic Model for the Polymerization of Acrylonitrile
Georges A. Melhem and Harold G. Fisher

A Heuristic Approach of Calculating Spray Water Flux Needed to Avert Fire Induced Runaway Reactions
Dilip K. Das

Why Attend

• Benefit 1 Connect with your peers, industry leaders, and potential collaborators
• Benefit 2 Learn about new techniques and improve your professional knowledge
• Benefit 3 Stay inspired and rekindle your passion

The Organizing Committee

The 2025 Symposium Organizing Committee will be designing the technical program, including reviewing abstract submissions.

Georges A. Melhem , Ph.D., FAIChE, President and CEO, ioMosaic Corporation

Mr. Harold G. Fisher, FAIChE, Chairman, Design Institute for Emergency Relief Systems (DIERS)

Prof. Dr.-Ing. Juergen Schmidt, Excecutive Director & Institute Leader, CSE Center of Safety Excellence

We are looking forward to greeting all participants in London, United Kingdom in 2026.