Blog categorized as wastewater treatment

Waste sludge in wastewater treatment

19.06.22 08:46 AM By vasanth - Comment(s)
Waste sludge in wastewater treatment
Organic carbon + Oxygen  CO2 + H2O + New bacterial cells

In aerobic biological oxidation of carbon, the organic carbon in the wastewater is converted to carbon dioxide. The reaction also results in the production of new bacterial cells. Maintaining an optimal volume of bacterial cells ...

Conventional nitrogen removal pathway in wastewater treatment

19.06.22 08:43 AM By vasanth - Comment(s)
Conventional nitrogen removal pathway in wastewater treatment


                                      The Nitrogen cycle


We know that the biological removal of ammonium from wastewater needs two distinct conventional steps:

1.      Nitr...

Activated sludge - an history in itself

27.01.21 03:03 AM By vasanth - Comment(s)

Most stories start with once upon a time, ours do the same,

 

Dr. Down, Chemist of the Massachusetts State Board of Health, after a series of experiments concluded with confidence that rigorous agitation of air does not contribute to sewage purification. Maaon and Hine asserted aeration had negli...

What does a coventional STP in India do?

14.01.21 09:43 AM By vasanth - Comment(s)
What does a coventional STP in India do?

The primary reason for treating our sewage/wastewater is to remove the organic carbon constituents from the wastewater. Why is it important to do that?

 

The heterotrophic microbes present in surface water bodies like lakes and rivers can use this organic carbon for their primary metabolism. The ...