Microbes in Sewage Treatment

_____ sludge is formed during the secondary sewage treatment.

Define activated sludge.

Activated sludge is used as the inoculum for _____ sewage treatment.

Activated sludge acts as the inoculum for primary sewage treatment.

_____ occurs during the formation of primary sludge.

_____ is generated from chemical precipitation, sedimentation of particles of sewage.

At what stage is the primary sludge formed during the sewage treatment?

Primary sludge is formed during the first part of secondary sewage treatment.

The second step or secondary treatment in the treatment of industrial and municipal waste waters is also called _____ process.

In an aeration tank, the _____ bacteria oxidise and digest the organic waste to form sludge with the release of _____ gas.

Primary treatment reduces BOD upto 80 percent.

 In _____ Yamuna action plan was implemented.

The Government of India has taken several initiatives for the restoration of the river. Which of the action plan is accomplished with Japan?

Wastewater treatment generates a large quantity of sludge, which can be treated by

Write a short note on microbes in sewage treatment.

When activated sludge is passed into anaerobic sludge digester, the anaerobic bacteria act on the sludge and produce

Treated sewage water has:

Microbial digestion of organic wastes of sewage is called

During secondary treatment, the bacterial flocs sediments in the sedimentation tank, this sediment is called

Masses of bacteria associated with fungal filaments which form mesh-like structures is called