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23 Nov 2016
With garbage disposal being the key topic over the years, and after establishing segregation at source concept, now governmental bodies and homes are looking at sewage treatment as the next milestone.

The main focus is to reduce the pollution of lakes and rivers. With the initial intake of the subject and governmental regulations in certain countries such as housing units having more than twenty should set up sewage treatment plan has helped raise the right awareness among residents and individual contributors of the society.

In most of the cities and outskirts, the lakes and water bodies are immensely polluted to an extent that if treatment is not done at source restoring these bodies at a later stage is next to impossible.
Advancements in the technology and chemical aspects of treatment over the ages have helped companies come forward with better services and products for sewage treatment. In fact, for the black, gray water, the term has moved away from used, or rather abused water, it is instead viewed as a raw material that can be converted back to its value.

Variations and customized requirements might be needed based on the industry or different outlets of these wastes, that’s why sewage treatment plants have been set up with discretion to assess and perform on such customized scenarios and give out the best resultant.  The output of this treatment can be used for different non-drinking purpose, ensuring that recycling ability of the water is utilized and hence helps in harvesting water in a more efficient fashion.

Established treatment plants have a well-connected network with the source, and a segregation between industrial effluents or just regular sewage missed with rainwater composition. In the industrial effluent, the sewage treatment plants take the pre-treatment part for granted.

The primary treatment consists of temporarily holding the sewage where the heavy solids can sediment while the lighter objects stay afloat. Pre-treatment involves grit removal, flow equalization, fat and grease removal. Secondary treatment removes the dissolved elements and suspended biological matter. There are treatments done with usage of bacterial organisms that feed on waste and clean the solution. The tertiary level of treatment is generally done when the treated water needs to be discharged to any sensitive, fragile ecosystem.

With such specific constraints and needs, the treatment plants have many regulations and requirements which only after being met is given a governmental acceptance. Also, the idea behind treatment plants has been designed in a fashion to mimic the natural healing process of water, so as to restore balance in the recycling procedure with minimal damage and changed to the ecosystem.


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