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Rain Harvesting In Malaysia - Revolutionary Approach To Recycle Rain Water

By Rahul Talwar


The entire world is going through water scarcity problem. Some areas of Malaysia might have this issue during particular period. Water is among the scarce natural resources which nature has offered to mankind. Using this limited resource wisely and repaying it back to the earth is the most important issue in current times. One of the most effective method of refilling the water levels is rain harvesting.

Rain water harvesting is now thought of as a national initiative in Malaysia. It is without doubt one of the important issues which might keep good balance of water within the environment. Rain water harvesting is sometimes also referred as rainwater recycling.

Within the city residential areas the need for water is more. The water supplied at these areas is treated and such water is called portable water. This water is used for consuming and also for doing all the washing and cleaning jobs too. If rainwater recycling project is set up by the residential areas, then the rain water kept in tanks can be used for general washing requirements and the portable fresh water could be saved to excellent extents.

The price of potable water supplied by the municipal corporations in Malaysia could be very high as compared to the rain water harvested and stored in the tanks. Large money saving might be achieved by setting up rainwater recycling projects.

Looking at the period for which it rains in Malaysia; rain water can be good resource of fresh water for considerable period throughout the year. As the nation has an excellent business of tourism, rain harvesting projects can also be undertaken by large hotels and restaurants situated in the metro cities of the country.

By meaning of the term, rain harvesting means simply collecting rain water in tanks for future usage. But now people have made good research in this area and have devised equipments and methods by which rain harvesting might be carried out efficiently at domestic as well as industrial levels within the the USA like Malaysia.



A number of equipment and units which are normally used in rain harvesting are specifically pressure vessels, filters as well as pumps. There are some common terms which are used while setting up the rainwater recycling projects. These terms are listed and explained below.

The very first term is water catch surface. This defines the area from which water is caught through the rain harvesting or rainwater recycling. That is considered as the starting point of the project where the area is decided. Then after looking at the average rainfall in the area, it is that how much water can be caught during a single rain cycle.

Next term is channels which means what sort of piping or canalizing required to be carried out to take the water from the roofs to the storage place where rainwater recycling is to be done. If the rain water is going to be kept in in closed tanks, then before sending it to the tank the water is filtered by setting up filters at some points.




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