- Find a more reliable substitute for a brazed aluminum heat exchanger as the low side heater (LSH) on the demethanizer column.
- Be able to accommodate thermal shock, thermal cycling and hydraulic shock.
A Tranter Welded Plate Heat Exchanger for the LSH duty, which fit well within footprint of brazed aluminum unit with minimal disruption of pipework.
- Performed without damage over several years through incidents that damaged the brazed aluminum units.
- Tower controllability has improved, along with a capacity increase of 5.3%.