Lee, D. S.

SK Energy, Seoul, South Korea

Dong-Sik Lee is a Senior Engineer and a Non-Destructive Examination (NDE) Specialist at SK Energy. He has more than 21 yr of experience in the inspection department, and supports the technologies of NDE, corrosion control and failure analysis in refineries, especially hydroprocessing and residual fluid catalytic cracking units. He earned a BS degree in mechanical engineering from Yonsei University in South Korea.

Stability evaluation of hot spots in the RDS process reactor

During the end-of-run (EOR) period of the authors’ company’s residue hydrodesulfurization (RDS) process in early February 2019, some hot spots occurred in the catalysts of the reactors.