Chang, G. S.
Geun-Soo Chang is a principal process engineer and leader of the plant basic engineering group for GS E&C, Seoul, Korea. He holds an MS degree from Seoul National University in chemical engineering. He has contributed to basic and detailed engineering, commissioning and troubleshooting for numerous EPC projects for refineries and petrochemical plants.
Develop reactor internals for optimizing reactor design - Part 2: High-performance mixing chamber
Most hydroprocessing reactors are fixed-bed reactors comprising several catalyst beds that are divided by quench zones containing mixing chambers that introduce a vapor-quenching medium.
Understand net gas compressor control logic from a process engineering standpoint
In a refinery or petrochemical plant, certain equipment can create “gray areas” between process engineers and instrument engineers.
Use an Excel-based method to evaluate performance for the preheat train of a CDU
A rigorous and accurate performance evaluation of existing equipment is a key factor for the success of a plant revamp study.
Develop reactor internals for optimizing reactor design: High-performance vapor-liquid distributor
Vapor-liquid distributors are a crucial element of reactor internals for maximizing catalyst utilization of fixed-bed reactors.
Exploiting classic design heuristics for DWC design and optimization
The history of the refinery and petrochemical industry is filled with a variety of challenges, followed by the development of state-of-the-art technologies to overcome those hurdles. New legislation has required more environmentally friendly product specifications, while energy costs have kept rising.
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