October 2017

Special Focus: Process Control and Instrumentation

Optimizing ethylene production with laser technology

Ethylene is one of the most valuable organic compound building blocks in the world.

Gogates, A., Gunnell, J., Emerson Automation Solutions

Ethylene is one of the most valuable organic compound building blocks in the world. Global ethylene production is forecast to reach 200 MMtpy by 2020. Ethylene production is a highly competitive industry where purity is of utmost importance. Ethylene plants require highly responsive control technologies to keep the process stable. Traditionally, gas chromatographs (GCs) have been the measuring instrument of choice for all areas of ethylene production. From feed qualification, through the cracking furnaces and purification train, to the final product certification of ethylene delivered via ship or pipeline, a typical plant may have 40–50 GCs. In many of these areas, the GC remains the best an

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