Team:Evry/Project/Compounds/Introduction

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Latest revision as of 03:55, 18 October 2014

Alert : Water is in distress!

Human activities are responsible for an important pollution of drinking water as well as sea water. Yet, water is the most precious and fragile ressource, as it's vital to every living organisms. It covers 71% of the Earth and in this huge amount of water, approximately 97% is saline and 3% is freshwater. (Pacific Institute for Studies in Development, Environment, and Security, 1993)

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Figure1: Water on Earth

There is a broad range of polluting elements that exists. In the marine environment, we can mention nitrate, nitrite, heavy metals, phenols, plastics, PCB, pharmaceutical residues etc.... All these elements can distrupt the fauna and the flora.
These problems especially impact the whole food chain of marine biotopes. Thus, mankind is both guilty and victim of this catastrophy.

This year, our objective is to develop a filtrating system which could allow sensing and eventually degradation of pollutants. To this end, we chose to work on elements belonging to the most important classes of pollutants of the marine environment.

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-Water is the most precious and fragile resource on Earth. Nevertheless human activities are responsible for an important pollution of this vital element, as well the drinking water as the sea water. Water is a vital and consequently a precious chemical compound to every living organisms on Earth and recovers 71% of it. In this huge amount of water, approximately 97% is saline and 3% is freshwater. (Pacific Institute for Studies in Development, Environment, and Security, 1993)<br>
+Human activities are responsible for an important pollution of drinking water as well as sea water. Yet, water is the most precious and fragile ressource, as it's vital to every living organisms. It covers 71% of the Earth and in this huge amount of water, approximately 97% is saline and 3% is freshwater. (Pacific Institute for Studies in Development, Environment, and Security, 1993)<br>
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-The polluting elements are very varied. In the marine environment, we can quote nitrate, nitrite, heavy metals, phenols, plastics, PCB, pharmaceutical residues etc.... All these elements can cause a lot of problems to the fauna and a fortiori to the flora. <br>
+There is a broad range of polluting elements that exists. In the marine environment, we can mention nitrate, nitrite, heavy metals, phenols, plastics, PCB, pharmaceutical residues etc.... All these elements can distrupt the fauna and the flora. <br>
-This disruption especially impacts fishes and consequently the food chain of its biotope and those fed by this biocenose. Thus mankind is both guilty and victim of its own product.<br>
+These problems especially impact the whole food chain of marine biotopes. Thus, mankind is both guilty and victim of this catastrophy.<br>
 <br>
-This year, our team objective is to develop a filtrating system which could allow to sense and could even degrade pollutants in the future.  For this project, we chose to work on elements most great classes of marine pollutants belonging to most important classes of pollutants of the marine environment.
+This year, our objective is to develop a filtrating system which could allow sensing and eventually degradation of pollutants.  To this end, we chose to work on elements belonging to the most important classes of pollutants of the marine environment.
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