MIT2_500s09_sw01_pres

MIT2_500s09_sw01_pres - MIT OpenCourseWare...

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MIT OpenCourseWare http://ocw.mit.edu 2.500 Desalination and Water Purification Spring 2009 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms .
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Clean Water for Haiti May 14, 2009
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Overview Background Desalination Technologies Misc. Technologies Humidification-Dehumidification (HDH) Reverse Osmosis (RO) Improved Rainwater Collection Recommendations Thursday, May 14, 2009 MIT 2.500 Desalination 2
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Background Working with Mercy and Sharing to provide clean water to Phaeton and Paulette, Haiti Combined Pop: 4200 (~930 families) Daily Water Consumption: 4650 5 gal buckets (~90 m 3 ) Average Family Income ~$2/day Thursday, May 14, 2009 MIT 2.500 Desalination 3
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Desalination Technologies Thursday, May 14, 2009 MIT 2.500 Desalination 4 Technology Driving Force Notes Nanofiltration Pressure Does not remove mono-valent ions Electrodialysis Electricity Electricity not available Multi-Effect Distillation (MED) Steam Too costly at small scales Multi-Stage Flash (MSF) Steam, Vacuum Too costly at small scales Vapor Compression Pressure, Heat Vacuum/compression systems
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This note was uploaded on 02/27/2012 for the course MECHANICAL 2.500 taught by Professor Miriambalaban during the Spring '09 term at MIT.

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MIT2_500s09_sw01_pres - MIT OpenCourseWare...

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