MIT2_500s09_sw04_report

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Unformatted text preview: 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 . A Potable Water System for Paulette and Phaeton, Haiti 2.500 Desalination and Water Purification May 2009 1 Introduction 1.1 Motivation Water is essential to the health and well-being of individuals, and therefore to the health and well-being of entire communities. The largest water shortage problems exist in the developing world, thereby stunting possible improvement to quality of life and societal well-being. Most of the worlds water is salt-water, and only a fraction of a percent of the total water on the planet is accessible freshwater. In order to supply sucient water to developing communities around the world, it has become increasingly clear that desalination and purification must play a larger part. Desalination plants in the developed world are often large-scale, require significant capital and infrastructure, and rely on advanced technology with teams of experts available to operate and maintain the plants. Much of the developing world, however, consists of small towns, coastal and otherwise, that face harsher restrictions and needs. Phaeton and Paulette are two such towns located in the sparsely populated North of Haiti in the Caribbean (Fig 1). Phaeton is the larger of the two villages, with a population of 2450 people comprising about 500 families, and Paulette has approximately 1750 people, or 350 families. Phaeton and Paulette are poor towns with little opportunity for non-agrarian employment. Their freshwater needs are equal to those of anyone in the developed world, but their capacity to invest in a standard desalination plant is severely limited. This project is motivated by the desire to provide these people with the same opportunities for healthy living as are available and believed to be acceptable in the developed world. Their need is equal, but their limitations require designing and tailoring a unique, acceptable freshwater system. 1.2 Location and Climate Haiti is located at 19N and 72W. Its area is slightly smaller than that of Maryland. It borders the Dominican Republic, but mostly consists of Caribbean coastline. It has a tropical, semi- arid climate and rough, mountainous terrain, though this mostly does not apply to the atter coastal villages of Paulette and Phaeton. Haiti is currently experiencing severe deforestation, soil depletion, ineffective overfarming, and political consternation. All of these lend to the general instability of the small nation. Haiti also suffers from a lack of potable drinking water, medical, and social services and a very high urbanization rate, contributed to by a growing population of youth in Haiti, where the median population age is in the early 20s....
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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_sw04_report - MIT OpenCourseWare...

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