Prospectus

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DST-28 Stepped Weirs

Traditional Research Idea

Expected Benefit toMembers: Understanding effect of stepped weirs and underflow windows on outlet weirs on efficiency and operating window of a tray. Stepped weirs can be useful in fouling services.

Present Situation and Proposed Research: Could be added to DST-3,5, or 8 Proposed. Proposed Internals and Test System: One pass standard tray and typical test systems. Estimated Unit Time: Unknown. Estimated Additional Costs (Beyond Unit Time): Unknown. Background and Discussion: None.

PROSPECTUS

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