Lessons Learned from Spent Acid Rail Car Incident
Learning From Incidents
This session will share an incident from the summer of 2022 where an RV lifted on a spent acid rail car. Key topics will include the conditions that led to the relief, the response to mitigate the release, and the causal understanding of why the relief occurred. Finally, the discussion will focus on considerations for preventing future similar releases.
Facilitator: Ray Chafin, Pemex Deer Park
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Hi Chen, Pemex Deer Park
Ahram Yoon, Pemex Deer Park
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Casting Quality Issues in HF Alky Valves
HF Alkylation
Over the last few years, there has been an increase in through body leaks on cast HF Alkylation valves. This presentation will review several real life examples of casting failures on valves in HF Alkylation service including cross sections of the failure location. These failures have occurred on both low RE carbon steel and Alloy 400 (M35-1) castings. Some common causes of casting failures will be reviewed including sand inclusions, porosity and varying levels of shrinkage. Common locations of casting quality issues with HF Alkylation valves will be discussed including the bottom bowl area and the body to end flange transition on Alloy 400 plug valves. The presentation will also cover some of the methods that are being implemented in the industry to improve the casting quality of HF Alkylation valves along with efforts to standardize and consolidate requirements for these valves.
Speaker: Michael Alford, Marathon Petroleum
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Learnings from the Philadelphia Energy Solutions Incident
HF Alkylation, Learning From Incidents
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API RP 751 Section 6
HF Alkylation, Mechanical Integrity
Join this session to hear the latest on API's 5th edition of Recommended Practice (RP) 751, Safe Operation of Hydrofluoric Acid Alkylation Unit. In this session, we're discussing maintenance from the operator perspective, integrity management and other safety programs for hydrofluoric (HF) acid alkylation units.
Facilitator: Herb Haught, CVR Energy
Speaker: Monica Plowman, Ethos Mechanical Integrity
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