DIERS | Design Institute for Emergency Relief Systems

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DIERS | Design Institute for Emergency Relief Systems

The Design Institute for Emergency Relief Systems (DIERS) was formed in 1976 as a consortium of 29 companies to develop methods for the design of emergency relief systems to handle runaway reactions.

DIERS (formerly the DIERS Users Group) is a Technical Entity within the AIChE.  Individuals with a degree in a STEM field (e.g., Bachelor's, Master's, PhD) are eligible to become individual members of DIERS.  

Learn More

2025 DIERS Fall Meeting

October 27 - 29, 2025

Hilton Post Oak By the Galleria, Houston, TX 

Registration for the meeting will be available later this year.

If you have an AIChE username and password, please use them when registering for the meeting. Stay tuned for meeting updates.

DIERS’ Emergency Relief System Design Virtual Courses

Attend this instructor-led virtual, 5-day course for an introduction to pressure relief safety design with DIERS technology. 

Giving Back.

Donations small and large and make a difference, and remember all gifts to the AIChE Foundation are tax-deductible. Learn more about AIChE's Doing a World of Good campaign.

An IDEAL Path

Learn about how the IDEAL Path concept aims to give an equal opportunity to all who wish to join the chemical engineering community. Learn more.

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