Recycling water the natural way Natural water treatment at Siemens facility in India In a densely populated country like India‚ water is a very precious resource. Home to approximately 16 percent of the world’s population‚ India has but four percent of the planet’s water reserves. With this in mind‚ the location management of Siemens Real Estate in Kalwa‚ India and EHS opted to implement a wastewater treatment system that would‚ for the most part‚ regulate itself – much like a natural wetland
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Water holds more importance than most of resources . Due to rising threats on ecosystem it has become necessary to find means of saving water. Resources of water – The fresh water resources are… Surface wate Under river flow Ground water Desalination Frozen water Surface waterSurface water is water in a river‚ lake or fresh water wetland. Surface water is naturally replenished by precipitation and naturally lost through discharge to the oceans‚ evaporation‚ evapotranspiration and sub-surface
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WATER RESOURCES The sources of water that are useful to human life are called water resources. Uses of water include agricultural‚ industrial‚ household and recreational activities. The majority of human uses require fresh water. 97 percent of the water on the Earth is salt water and only 3 percent is fresh water; slightly over two thirds of this is frozen in glaciers and polar ice caps. The remaining unfrozen fresh water is found mainly as groundwater‚ with only a small fraction present above
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matter what. One solution to solve this problem is desalination. This means that the ocean water will be filtered through membranes to remove salt to make it drinkable. According to Arrandale (2002)‚ this method has been used by 130 nations which produces 6 billion gallons usable water per day. Another report (2010) states that some Middle East countries grow organic asparagus - a plant which can desalinate seawater. However‚ desalination costs lots of money due to high technology and not suitable
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Overpopulation Overpopulation is a generally undesirable condition where an organism’s numbers exceed the carrying capacity of its habitat. The term often refers to the relationship between the human population and its environment‚ the Earth‚ or smaller geographical areas such as countries. The population has been growing continuously since the end of the Black Death‚ around the year 1400‚ although the most significant increase has been in the last 50 years‚ mainly due to medical
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water‚ the golf courses do not exist. Another economic impact is the fact that water shortage is causing environmental problems. One area of huge concern is the wildfire problem. It is not cheap to fight a wildfire‚ not to mention all the damage that it does to the environment. It costs millions of dollars to fight the wildfire. You can’t really put a price on the damage that it does to the environment. It takes a toll on the environment. Another economic impact of the water shortage is there are
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Uses of water: 1. For drinking and for life processes. On an average‚ a man consumes about 60‚000 to 80‚000 litres of water in his lifetime. The body of an adult contains nearly 40 to 50 litres of water at any given time and water constitutes about 66% of the average body make up. Aqueous solutions fill the cells in the body. Nutrients‚ oxygen‚ and metabolic waste products are transported by blood‚ which is mostly water. Digested food is absorbed in the form of an aqueous solution. In plants too
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Biological activated carbon Another type of pretreatment for desalination reverse osmosis is the use of Biological Activated Carbon (BAC). This type of pretreatment helps in reducing the biofouling occurring during the desalination processes for its usage later in agriculture knowing that the water that should be used should be moderately saline and is known as “Biologically treated secondary effluent”
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At Last‚ For Desalination Plant‚ The Tampa Tribune‚ December 22‚ 2007^ Desalination gets a serious look‚ Las Vegas Sun‚ March 21‚ 2008^ [http://www.carlsbaddesal.com/^ http://select.nytimes.com/gst/abstract.html?res=FB0714FE3D5B0C778CDDAD0894DF404482^ http://www.newscientisttech.com/channel/tech/mg19125586.100.html]^ Desalination is the Solution to Water Shortages‚ redOrbit‚ May 2‚ 2008^ Water‚ Water‚ Everywhere...‚ The Wall. St Journal‚ January 17‚ 2008^ 100 Largest Desalination Plants Planned
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WAVE ENERGY Chapter 2: Energy Technology 2.1 Source of Wave Energy Ocean waves are caused by the wind as it blows across the open expanse of water‚ the gravitational pull from the sun and moon‚ and changes in atmospheric pressure‚ earthquakes etc. Waves created by the wind are the most common waves and the waves relevant for most wave energy technology. Wave energy conversion takes advantage of the ocean waves caused primarily by the interaction of winds with the ocean surface. Wave energy is
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