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2.500 Desalination and Water Purification (MIT) 2.500 Desalination and Water Purification (MIT)

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Water supply is a problem of worldwide concern: more than 1 billion people do not have reliable access to clean drinking water. Water is a particular problem for the developing world, but scarcity also impacts industrial societies. Water purification and desalination technology can be used to convert brackish ground water or seawater into drinking water. The challenge is to do so sustainably, with minimum cost and energy consumption, and with appropriately accessible technologies. This subject will survey the state-of-the-art in water purification by desalination and filtration. Fundamental thermodynamic and transport processes which govern the creation of fresh water from seawater and brackish ground water will be developed. The technologies of existing desalination systems will be discus Water supply is a problem of worldwide concern: more than 1 billion people do not have reliable access to clean drinking water. Water is a particular problem for the developing world, but scarcity also impacts industrial societies. Water purification and desalination technology can be used to convert brackish ground water or seawater into drinking water. The challenge is to do so sustainably, with minimum cost and energy consumption, and with appropriately accessible technologies. This subject will survey the state-of-the-art in water purification by desalination and filtration. Fundamental thermodynamic and transport processes which govern the creation of fresh water from seawater and brackish ground water will be developed. The technologies of existing desalination systems will be discus

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Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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10.32 Separation Processes (MIT) 10.32 Separation Processes (MIT)

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This course covers the general principles of separation by equilibrium and rate processes. Topics include staged cascades and applications to distillation, absorption, adsorption, and membrane processes. Phase equilibria and the role of diffusion are also covered. This course covers the general principles of separation by equilibrium and rate processes. Topics include staged cascades and applications to distillation, absorption, adsorption, and membrane processes. Phase equilibria and the role of diffusion are also covered.

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X0002P0392

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Stillborn calf with corneal opacity

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http://creativecommons.org/licenses/by-nc-sa/2.0/

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X0002P0392

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Stillborn calf with corneal opacity

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http://creativecommons.org/licenses/by-nc-sa/2.0/

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21W.749 Documentary Photography and Photo Journalism: Still Images of A World In Motion (MIT) 21W.749 Documentary Photography and Photo Journalism: Still Images of A World In Motion (MIT)

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Documentary Photography and Photojournalism: Still Images of A World In Motion exposes students to the work of a number of great documentary photographers and photojournalists, as well as to writing about the documentary tradition. Students work throughout the term on a photo documentary project of their own, attempting to reduce a tiny area of the moving world to a set of still images that convey what the viewer needs to know about what they saw - without hearing the sounds, smelling the odors, experiencing what was happening outside the viewfinder, and without seeing the motion. Students also write papers about the subjects of their photo documentaries. Documentary Photography and Photojournalism: Still Images of A World In Motion exposes students to the work of a number of great documentary photographers and photojournalists, as well as to writing about the documentary tradition. Students work throughout the term on a photo documentary project of their own, attempting to reduce a tiny area of the moving world to a set of still images that convey what the viewer needs to know about what they saw - without hearing the sounds, smelling the odors, experiencing what was happening outside the viewfinder, and without seeing the motion. Students also write papers about the subjects of their photo documentaries.

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Crewmen hoisting the whaler back aboard HMS Wells

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Reproduction ID: AD13010 Maker: Unknown Date: 1940s This photograph is featured in Arctic Convoys, a new photographic exhibition looking at the experiences of those who served on the Arctic Convoys. It's on at the National Maritime Museum until 4 November 2012, www.nmm.ac.uk/convoys

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