DIERS 2025 Fall Meeting

DIERS 2025 Fall Meeting

Register now for the DIERS 2025 Fall Meeting happening from October 27 to 29, 2025. Join us for an exciting three-day conference filled with dynamic speakers and fantastic opportunities for professional growth. Chemical engineers from all over the world will come together at the Hilton Post Oak/Houston Galleria Area in Houston, Texas, to share their insights on sizing emergency pressure relief devices and systems.

NOTE: Professional Development Credits for attendance at DIERS meetings are available upon request. 

Register Now

Visit the AIChE DIERS website and register now.

 

Register Now

 

Scroll down the AIChE web page until you see the blue Register Now button. If you have an AIChE username and password, please use them when registering for the meeting.

NOTE: Attendance is open only to dues paying AIChE DIERS members. Please keep your AIChE DIERS membership active for exclusive news and event updates. Have questions on how to pay? Call AIChE Customer Service at 1-800-242-4363.

Honor the Legacy

Harold FisherThis conference honors the legacy of Harold Fisher, who has served as the DIERS Chair for four decades and has been a dedicated DIERS member for nearly 50 years. In addition to our regular agenda focused on emergency relief systems, we will also dedicate time to acknowledge Harold's monumental contributions and celebrate his unwavering commitment to the DIERS community. Please join us at the DIERS 2025 Fall Meeting to recognize his remarkable achievements.

 

Register Now

 

Agenda

Day One

TIME SESSION PRESENTER ASSOCIATION
7:00 AM  Breakfast - DIERS Meeting Room
8:00 AM  Welcome / Orientation Harold G. Fisher & Georges Melhem DIERS & ioMosaic
8:15 AM What is New in SuperChems for DIERS v12.18 Georges Melhem ioMosaic
9:15 AM Pay Now or Pay Later: Ragagep for Relief Device Integrity and Monitoring Ranessa Davis  Self
10:00 AM Coffee Break – DIERS Meeting Room
10:30 AM  Trust but Verify - a Data-Driven Approach to PRD Reliability and Inspection Updating  Nicholas Plentovich & Phil Henry  Equity Engineering Group
11:00 AM  Pressure Relief Device Revalidation Practice Julie D. White Chevron Phillips Chemical
11:30 AM Keep it Evergreen Casey Houston  Chemitics 
12:00 PM Lunch
1:15 PM 1986 EASC Reactor Explosion - Lessons Learned the Hard Way Dan Smith Albemarle Corporation
2:00 PM Sponsor Showcase - ioMosaic   ioMosaic 
2:15 PM BP Texas City Overpressure Scenario Review – 20 Years Later Andres Rodriguez & Dustin Smith  Smith & Burgess
2:45 PM  Coffee Break – DIERS Meeting Room
3:00 PM DIERS 2025 Strategic Business Plan Greg Hendrickson Retired
3:30 PM Harold Fisher - Celebration of 50 Years of DIERS Contributions   DIERS
5:00 PM Adjourn 

Day Two

TIME SESSION PRESENTER ASSOCIATION
7:00 AM Breakfast - DIERS Meeting Room 
7:55 AM Welcome / Orientation Harold G. Fisher DIERS
8:00 AM  Learnings the Engineer Can Use When Specifying or Revalidating Relief Devices  John Fowler Fowler Gulf Consulting 
8:30 AM  Single and Multiphase Flow Speed of Sound Considerations for PRV Stability Georges Melhem ioMosaic
9:15 AM Experimental Results and Model Approaches to Instabilities of PRV Thomas Raeder LESER
10:00 AM  Coffee Break – DIERS Meeting Room
10:15 AM The Force Is Strong with This Valve - a CostEfficient 3-Level Approach to PSV Reaction Force Calculations Nicholas Plentovich & Phil Henry Equity Engineering Group 
11:00 AM  Review of Relief Valve Stability Modeling Versus Installation and Testing Data Dustin Smith Smith & Burgess  
11:45 AM  Lunch
1:00 PM  API SCPRS Spring 2025 Meeting Highlights Georges Melhem  ioMosaic
1:15 PM Application of High Integrity Pressure Protection Systems (HIPPS) for Compressor Overpressure Prevention Victor Quiroga, Rosalind Allen & Phil Henry SLB Equity Engineering
1:45 PM Sponsor Showcase - LESER   LESER
2:00 PM  Relief and Disposal Concerns & Analysis Specific to LNG Facilities (Based on Incident Reviews) Dustin Smith Smith & Burgess
2:30 PM  ASME Section XIII Update Danielle MainieroCessna PROSAF 
2:45 PM  Coffee Break – DIERS Meeting Room
3:00 PM Grignard Decomposition Pressure Relief Design Dan Smith Albemarle Corporation 
3:45 PM DIERS Projects Update   Passa Piland  Bayer 
4:00 PM  Diers Future of Innovation – the Next 50 Years  Greg Hendrickson, Dan Smith & Garrett Dupre  Retired, Albemarle Corp & W. R. Grace & Co
5:00 PM Adjourn 

Day Three

TIME SESSION PRESENTER ASSOCIATION
7:00 AM Breakfast - DIERS Meeting Room
7:55 AM Welcome / Orientation Harold G. Fisher DIERS
8:00 AM  Nuances of HAZOP Dilip Das  ioMosaic
8:30 AM Risk Considerations for Safe Process Design Georges Melhem ioMosaic
9:15 AM Application of SuperChems® in Modelling an Emergency Blowdown Valve and the Impact of Reducing Calculation Resolution  Tzu Lin ioMosaic
10:15 AM  Coffee Break – DIERS Meeting Room
10:30 AM Lithium-Ion Battery Safety: Failure Mechanisms and Prevention Strategies Shiang Tien Bechtel 
11:15 AM Thermal Runaway Calorimetry of Lithium-Ion Battery  Surendra Singh Belmont Scientific
12:00 PM Lunch
1:00 PM Round Robin Update Garrett Dupre W. R. Grace & Co. 
1:30 PM Chemical Reactivity Hazards Assessment using Quantum Chemical Methods  Georges Melhem ioMosaic
2:15 PM Bridging Standards and Field Reality: Comparing CCPS Ignition Probability Guidelines and EN 1127-1 in Fire and Explosion Risk Management  Efari Bahcevan & Ulrich Krause Seyir Academi & Otto-von-Guericke Universität
2:45 PM Chair Report  Harold G. Fisher  DIERS
3:00 PM Adjourn

All information regarding this event is subject to change without notice.

Conference Schedule

Monday, October 27

7:00am-8:00am - Continental Breakfast Provided
8:00am-10:00am - Presentation Sessions
10:00am-10:30am - Coffee & Light Refreshments Provided
10:30am-12:00pm - Presentation Sessions
12:00pm-1:00pm - Luncheon Provided
1:00pm-3:00pm - Presentation Sessions
3:00pm-3:30pm - Coffee & Light Refreshments Provided
3:30pm-5:00pm - Presentation Sessions

Tuesday, October 28

7:00am-8:00am - Continental Breakfast Provided
8:00am-10:00am - Presentation Sessions
10:00am-10:30am - Coffee & Light Refreshments Provided
10:30am-12:00pm - Presentation Sessions
12:00pm-1:00pm - Luncheon Provided
1:00pm-3:00pm - Presentation Sessions
3:00pm-3:30pm - Coffee & Light Refreshments Provided
3:30pm-5:00pm - Presentation Sessions
7:00pm-9:00pm – Informal Group Dinner (Order from the menu and pay for your meal)

Wednesday, October 29

7:00am-8:00am - Continental Breakfast Provided
8:00am-10:00am - Presentation Sessions
10:00am-10:30am - Coffee & Light Refreshments Provided
10:30am-12:00pm - Presentation Sessions
12:00pm-1:00pm - Luncheon Provided
1:00pm-3:00pm - Presentation Sessions

Group Dinner

A group dinner is planned for Tuesday, October 28, 2025, at 7:00pm at a nearby restaurant to be determined. Please register for this event by emailing Lisa Ruth. Attendees will order from the restaurant menu and pay for their own meals.

Venue Information

Hilton Post Oak/Houston Galleria Area
2001 Post Oak Blvd, Houston, TX 77056
Call (713) 961-9300 to reserve a room

Reserve your room by October 5, 2025, to take advantage of the special DIERS room rate of $189 plus 17% state and local tax ($221.13 total).

Call the hotel direct at (713) 961-9300 to reserve a room and use group code 903 or AICHE/DIERS Fall Meeting. Reservations can also be made online at the hotel Group Web Page. A credit card will be required to register at the hotel.

 

Reserve Your Room Now

 

NOTE: Reservations made after October 5 will be made on a space and rate available basis.

Internet access in guest and meeting rooms is complimentary. Event parking is $12 per day. Overnight parking for hotel guests is $18 per day. The parking garage is located at the rear of the hotel. An indoor fitness center and outdoor pool are available for hotel guests. The hotel’s check-in time is 3:00pm and check-out time is 12:00pm.

NOTE: Refunds will be made on reservations canceled with more than 48 hours' notice prior to the confirmed arrival date and with a cancellation number.

Conference Fee

Don't wait and register now. The early bird registration fee is $225 per day, paid on or before September 26. After that, registration and payment will be $295 per day until October 13, the registration cut-off date. Use the REGISTER NOW Link for both conference registration and payment of fees.

 

Register Now

 

NOTE: Have questions on how to pay? Call AIChE Customer Service at 1-800-242-4363.

What's Included

The daily registration fee includes a continental breakfast, morning and afternoon coffee break, lunch, meeting room rental, audio/visual charges, and other meeting expenses.

NOTE: No registrations will be taken after October 13. There will be no refunds issued by AIChE after October 13.
Attendance is open only to dues paying AIChE DIERS members. Please keep your AIChE DIERS membership active for exclusive news and event updates. Have questions on how to pay? Call AIChE Customer Service at 1-800-242-4363.

 

 

Our Presenters

Date:
City: Houston, Texas
Contact: Lisa Ruth

Email: ruth.l.tx@iomosaic.com

Telephone: 713.490.5220

Have Questions?

Contact: Lisa Ruth
Email: ruth.l.tx@iomosaic.com
Tel: 713.490.5220

Training Benefits

Top instructors with extensive global, industry, technical and litigation experience. You will receive clear, practical and real world recommendations on how to get and stay compliant with local and worldwide regulations.