March 2015
Special Report: Corrosion Control
How caustic stress leads to failures of incinerator caustic spray nozzles
Frequent failures of the waste spray nozzles in incinerators result in accelerated degradation of the refractory lining, requiring unscheduled shutdowns for repairs. A study was carried out to identify the factors that contributed to the nozzle failure and to prevent the reoccurrence of similar failures in the future.
The Authors
Abdulaziz Al-Meshari is a principal engineer at SABIC’s Asset Technology Center. He has 18 years of experience in the petrochemical industry, mostly related to failure analysis, metallurgy and materials selection. Dr. Al-Meshari holds a PhD in materials science and metallurgy from the University of Cambridge in the UK; an MSc degree in corrosion science and engineering from the University of Manchester’s Institute of Science and Technology (UMIST) in the UK, and a BSc degree.
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