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Polishing Filter

Polishing Filter. Jonas Gerson and Ian Swyer. Background. Definition: Polishing filters… “…are used to separate liquids only having very small quantities of solid impurities…”  In this case to filter out the impurities from the output stream from a centrifuge. Process Situation.

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Polishing Filter

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  1. Polishing Filter Jonas Gerson and Ian Swyer

  2. Background • Definition: Polishing filters… “…are used to separate liquids only having very small quantities of solid impurities…”  In this case to filter out the impurities from the output stream from a centrifuge

  3. Process Situation

  4. How it Works In-Line T-Line

  5. Design Selection • Need: • Maximum flowrate of 27.7 L/min • Pore size of 0.2 µm • Available Options • Companies: Pall, Millipore, MKS • Need both disposable filters and housing • It was found that 1 In-Line / T-Line filter housings using 10 inch disposable cartridge filters provide the best utility for the money • The membrane areas were compared to the maximum flowrate needed, and compared against equivalent flux. • Optimized for pressure drop and cartridge costs

  6. Pressure Drop and Flowrates for Millipore SHF Filters

  7. 2000 Cartridge Housing Millipore Express SHF Cartridge Filter Suppliers and Prices Final Design $1,196 per unit, $859 per 3 Capital Cost for Unit: $ 1482 Operating per Batch: $ 286 Per Year: $ 7400

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