Lee, S.

SK Energy, South Korea

Sangmo Lee is a senior engineer and the pressure vessel specialist at SK Energy. He has more than 21 years of experience in technical support to the mechanical maintenance division in refinery and petrochemical plants, especially resid fluid catalytic cracking (RFCC), hydrodesulfurization (HDS), lube base oils (LBO) and operations that function under high pressure or high temperatures. He has a BS degree in mechanical engineering from the University of Ulsan in South Korea, and has earned an international welding engineer (IWE) degree from the International Institute of Welding (IIW). Mr. Lee is also qualified as a professional engineer for welding and metallurgy by the South Korean government.

Determine the standard hoop density of spiral-wound gaskets on flanges

Lee, S. H., Lee, S., Jeon, S., SK Energy

The use of spiral-wound gaskets on flanges has resulted in good sealing performance. However, most gaskets do not perform well when the flange is improperly installed.

Efficiently and safely revamp an RFCC reactor and regenerator

This case study provides checks and reviews from the owner and the engineer for the major revamp work of the RFCC process.

Major accident and failure of stationary equipment in the RFCCU

Seok, W., Lee, S., SK Energy

The four case studies cover component failures and multiple types of leakage: valve packing, expansion joint and corrosion.