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Hollow Polymer Fibre Based Technology for Water Purification

Many technologies are available today to purify water for drinking purposes. Yet most of them are not cost-effective.

Hollow Polymer Fibre

In view of this CSIR's National chemical laboratory has developed and tested a water purification Technology based on Hollow Polymer Fiber, the technology minimizes wastage of water and runs without electricity.

India has a large population and providing Safe Drinking Water to everyone is a major challenge. Currently, reverse osmosis technology is being used in many parts of the country to get clean drinking water.

But this technology runs on electricity also about 40 to 50% of the water is washed away during the filtration process and given the increased scarcity of water. It is a major drawback.

As a solution to this problem a new water purification system has been developed by Pune Based National chemical laboratory of Council of Scientific and Industrial Research.

The system is known as should "Shudh Jal" meaning pure water. The new water purification system is based on Hollow Polymer Fiber technology.

Hollow Polymer Fiber Key Points

  • CSIR- NCL Pune has developed a cost-effective water purification technology.
  • The technology is based on bundles of hollow polymer fiber.
  • The technology is working on the principle of gravity and pressure.
  • The technology does not need electricity and minimizes wastage of water.
  • NCL has been using the technology to geet drinking water for over four years.
Hollow Polymer Fiber membranes prepared by NCL Department of polymer science and engineering carried out ultrafiltration. Filters of different sizes are prepared by assembling these membranes together.

In the water purification plant, The water is first passed through a common carbon filter and then brought into these Hollow Fiber filters, which are capable of removing pollutants as well as microbes.

The filtration process works on the principle of gravity and pressure and does not require electricity. This new technique utilizes up to 90% of the water and wastage is very less as compared to Reverse Osmosis.

The Hollow Fiber membrane plant is suitable for apartments, offices and also for large organizations. As one water plant can purify around 2,000 litres of water in one hour.

The technology is also very cost-effective as it costs just 10 to 25 Paisa for 1 litre of the water.

Shudh Jal plants can also be installed in areas that suffer from the inconsistent power supply. So this water purification technology can be very useful in meeting the demands of the nation.