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Best ways to treat wastewater before dumping?

Author: Krofta Engineering
by Krofta Engineering
Posted: Sep 23, 2019

Massive industrialization has led to the opening of different kinds of industries in different parts of the world. Industrialization has changed our lifestyle to a great extent. Industries have facilitated mass production goods. We cannot imagine our lives without these industries as we have got habituated of the products delivered by these industries. As it is said everything has some negativity in it.

So is the case with the industrialization. It has led to different kinds of pollution like water pollution, air pollution and soil pollution. Water is a common raw material used in industries like petrochemicals, refineries, chemical industries etc. And wastewater that is produced as a byproduct during production contains highly toxic elements of different pollutants. This wastewater needs to be properly treated to make it free from these toxic pollutants before discharging it in water bodies.

Best ways to treat wastewater

Scientists and researchers have developed many devices and tools equipped with advanced technologies. One such process is dissolved air flotation which is increasingly being used for the treatment of wastewater. In this process, a complex set of devices interconnected together is used. Air at extremely high pressure is dissolved in the wastewater which causes formation of small bubbles in the wastewater.

Dissolved oil particles accumulate on the surface of the bubbles and come above water along with bubbles. These bubbles which now have nearly all the toxic particulate matters and oil droplets are removed from the wastewater and decomposed using another technology. Now the wastewater which is nearly free from any type of oil particles and toxic compounds can be dumped anywhere or used for different purposes.

Wastewater treatment process with DAF is not so effective in separating solid particles from it. To remove solid particles central driven clarifier is more effective and is continuously being used in different countries to remove solid particles from wastewater discharged from the industries. There are two mechanisms of central driven clarifiers

  1. Half-bridge scrapers:- It consists of a tank and static support is required at its centre. A bearing is located at the top of the support which facilities rotation of the bridge. The bridge spans from the centre to the wall. It does not span the full diameter of the bridge.
  2. Full bridge scrapers:- It is better than half-bridge scraper and rotates the full diameter of the tank.

Central driven clarifier mechanism can be used in a tank measuring in the range 15 – 50 meter. In this process, the bridge spans over the radius of the tank where one end remains over the tank wall and the other is situated over the centre mechanism in the centre pier.

This scientifically designed s type mechanism separates nearly all solid particles dissolved in the wastewater. After the removal of solid particles, the wastewater can be dumped in any water body or solid land without causing any harm to our environment. All the wastewater from industries must be treated with this mechanism to make it free from any type of oil emulsions or dissolved solid particles. A large number of countries are adopting this technique for the wastewater treatment and are saving their environment and life of their countrymen. Contact www.kroftaengineering.com for the Wastewater treatment.

About the Author

Krofta Engineering always delivers unmatched wastewater treatment solutions with the preeminent equipment delivering high-quality services.

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Author: Krofta Engineering

Krofta Engineering

Member since: Sep 19, 2019
Published articles: 2

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