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Chementator :: Petroleum Refining

June 1, 2012

Distillation: Avoid Problems During Tower Startup

Practical procedures for both effective startup and problem analysis are discussed here for a depropanizer that experienced downcomer seal loss

André Bernard NOVA Chemicals (Canada) Ltd.

Startup can be a tricky time for any distillation tower, with problems arising from equipment or process conditions, instrumentation or ancillaries, or anomalies associated with tower construction or internals. This article illustrates a variety of practical tools to avoid problems during startup, and describes in detail a troubleshooting exercise performed on a specific depropanizer tower...

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