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Polishing Filter Jonas Gerson and Ian Swyer. Background Definition: Polishing filters… …are used to separate liquids only having very small quantities.

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Presentation on theme: "Polishing Filter Jonas Gerson and Ian Swyer. Background Definition: Polishing filters… …are used to separate liquids only having very small quantities."— Presentation transcript:

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


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