Tags: flash zone

Upset Tray Decks

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Although trays can corrode through, a more common cause of damage is unit upsets. A high liquid level, above the flash zone, will cause the trays to be bumped by the up-flowing vapors. Slugs of water can dislodge tray decks when the water suddenly flashes. It seems that many tray upsets occur during short unit …

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Distillation Tower Sections

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Distillation Tower Sections

Every distillation tower can be divided into three different sections. The middle section is where the feed enters the tower and part of the feed vaporized. This vaporization is commonly known as flashing, so this section of this tower is often called the flash zone. The section above the flash zone is the rectification section. …

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