Question

Explain the different steps involved in the secondary treatment of sewage.

Answer 1

A small part of the activated sludge is pumped back into the aeration tank to serve as the inoculum (containing bacteria and fungi - Floc)  for the next cycle of sewage treatment. 

Hope this information will clear your doubts about the activated sludge. 

Answer 2

The wastewater released by houses is called Sewage.  

Explanation:

• Secondary treatment of sewage is all about treating the sewage by microorganisms.  
• Microbes have been used in sewage treatment as they fasten the process and work towards lowering the sludge amount that is created from such wastewater.
• Anaerobic bacteria have been used, as it helps in removing the amount of phosphorus as well from such dirty wastewater.
• The microbes work on the organic content in the sludge and convert it to create carbon dioxide as well as oxygen-rich biomass.

Learn more about Sewage:

Handling of sewage dumps-sewage lines,maintenance of such sewage lines,environment impact studies when developing new residential areas or factories

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