Title: Reedbed System – By TVS Rajendra Prasad , 9th standard , ZPHS,Yazali.

What are “reed beds” ?

What does they do ?

Here is the answer:The word itself says it’s a bed maid of reeds to purify the water. Surprising…..!!!!!

Industries release a large amount of waste material into the water which leads to water pollution this pollutant water are rich in toxic heavymetals and others hazardous chemicals. To purify and utilize this water we use reed beds it follows a simple process the impure water is passed though the reed beds which has different levels and purified water is collected.

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How Do Reed Beds Work?

The Common Reed (Phragmites Australis) has the ability to transfer oxygen from its leaves, down through its stem, porous speta and rhizomes, and out via its root system into the rhizosphere (root system.)  As a result of this action, a very high population of micro-organisms occurs in the rhizosphere, with zones of aerobic, anoxic, and anaerobic conditions. Therefore with the wastewater moving very slowly and carefully through the mass of reed roots, this liquid can be successfully treated, in a manner somewhat similar to the conventional biological filter bed systems of sewage treatment plants.

Earlier reed bed sewage treatment systems used the horizontal flow type of reed bed, where the liquid flows horizontally through the bed, but it is essential that any form of treatment of sewage should have the capability to not only treat the sewage effectively, but also that its maturation time should be kept to a minimum. To achieve this the reed plants are partially pre-grown, and also with the development of a vertical reed bed system, this maturity of the total system can be more readily achieved. Reed Bed Sewage Treatment Systems can be used to treat a variety of pollution loadings, but great care must always be exercised in their design and implementation.

 

Advantages:

Reed beds which are designed and maintained properly will perform successfully for around 15 years.

One of the major benefits of reed beds is the low maintenance required to operate them. Routine maintenance is straightforward. This makes reed beds very cheap to operate throughout the life of the system.
The quality of materials and construction is always paramount. NIRBC gives guarantees regarding standards of construction, as well as operating and maintenance programmes . NIRBC includes maintenance for you in the first two years following construction as part of the cost of installation.

 

 

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