Blog - Let's explore wastewater

On Enhanced biological phosphorus removal

20.06.22 07:01 AM - By vasanth - Comment(s)
On Enhanced biological phosphorus removal

Phosphorus accumulating organisms [PAOs] think different.


They are not interested in crowd formation like organic heterotrophs. They know their niche. They know where their space is. They know themselves.


Say, I’m a bacterium. I’m introduced to a new space/vast land with abundant resources for growt...

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...