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Extraction hopper and oil collection tank

2010-10-06View Original

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A oil collection tank and a extraction hopper are the same thing, aren’t they? What’s the difference? The full extraction tray is equipped with a high overflow weir to prevent liquid from flowing onto the lower trays. As a result, doesn’t the gas phase enter the upper layers directly through the downcomers of this layer, thereby causing an uneven distribution of the gas phase load within the tower? Should the outlet of the draw pot be lower than the reflux return port on the lower tray? It would be even better if there were illustrations!

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