January 2020

Process Controls, Instrumentation and Automation

Optimal gas analysis decisions improve ethylene plant operation

One of the most common and important building blocks in the petrochemical industry is ethylene, constituting a huge and fast-growing worldwide industry. Ethylene is an intermediate chemical used to manufacture many commercial products—approximately 200 MMt will be produced in 2020.

Kamphus, M., McMillen, D., Emerson Automation Solutions

One of the most common and important building blocks in the petrochemical industry is ethylene, constituting a huge and fast-growing worldwide industry. Ethylene is an intermediate chemical used to manufacture many commercial products—approximately 200 MMt will be produced in 2020. Nearly half of global ethylene demand is for polyethylene (PE) production, but it is also used to make vinyl chloride, ethylbenzene and many other valuable intermediate products, such as ethylene oxide (EO), ethanol EO and ethanol. Ethylene plant personnel strive to produce 99.99% pure product. These stringent purity requirements must be verified in production and at custody transfer points because the presence o

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