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Debottlenecking of Ethylene Plant

EniChem commissioned the consultancy services of Costain to recommend a design solution to debottleneck the cooling train of their ethylene plant in Sardinia.

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EniChem SpA

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Advisory and Concept Development
Specialist Design
Project Management
Complex Project Delivery


Debottlenecking of cooling train

in order to increase capacity

High ethylene recovery

needed to be maintained

The solution developed by Costain involved the use of a new cold box, turbo-expander/compressor package and new rectifying column for the demethaniser.

The design solution was developed building on extensive process experience and achieved the customer's goals, therefore Costain were awarded a contarct for the detailed design, procurement, installation and operating instructions for the package.

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