April 2015

Special Report: Petrochemical Developments

Top seven causes for lost olefin production

Long-term trends in production losses, showing total loss production measured in seven biennial studies, are discussed in this article to determine if these losses are increasing or decreasing over time.

Cagnolatti, C. L., HSB Solomon Associates LLC

A recent study investigated reliability-related downtime and slowdown events for olefin plants. These events were calculated as percent of the plant’s proven capability to produce ethylene.1 The causes for lost production were ranked from the highest to the lowest percent of production lost. The trends in production losses from 1999 through 2011, showing total loss production measured in seven biennial studies, are discussed in this article to determine if these losses are increasing or decreasing over time. This article also identifies the main root causes resulting in the highest ethylene production losses as a percent of full capability. Study definitions A plant’s proven ethylene capab

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