WebSeattle, Washington, January 29, 2014—The April 2010 fatal explosion and fire at the Tesoro refinery in Anacortes, Washington was caused by damage to the heat exchanger, … Web1 aug. 2024 · Due to its low viscosity and low molecular weight, gaseous H 2 has a high propensity to leak, and even permeate through or into various materials. H 2 gas is eight times lighter than natural gas, 14 times lighter than air, 22 times lighter than propane and 57 times lighter than gasoline vapor.
Guidelines for Providing Process Conditions for RBI - Part 6: HTHA …
Web9 okt. 2016 · 1. Preventing High Temperature Hydrogen Attack (HTHA) In 2010, a heat exchanger ruptured due to severe damage from High Temperature Hydrogen Attack (HTHA) at the Tesoro Anacortes Refinery, killing seven workers. The U.S. Chemical Safety Board (CSB) published a report on the incident in 2014, detailing its findings that the HTHA that … Web28 apr. 2024 · Subsequent CSB recommendations included the requirement of inherently safer materials to the greatest extent feasible, verification of actual operating conditions to confirm that construction material selected prevents HTHA equipment failure, and the prohibition of the use of carbon steel in processes that operate above 400 degrees … the kev baker show youtube
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Web14 aug. 2012 · The objective of this article is to provide lessons learned from materials, structure, and equipment failures so that costly failures can be prevented through good design, maintenance, and inspection practices, thus increasing safety, equipment reliability, and integrity of designs. WebFailure of hydrogen-containing equipment can be prevented through good material selection, process controls, and regular inspection of equipment. Because HTHA is … Web1 mrt. 2024 · This global failure criterion is the final piece in creating a predictive model that can change the way we manage equipment in HTHA service. Figure 5 – Illustration of HTHA Damage Types Figure 6 – Decay of Hydrogen Partial Pressure Through-Wall Note: Results correspond to 200,000 hours for PWHT carbon steel, minimum resistance the kextimeout 65000 ms expired