Microbes in Sewage Treatment
why create a profile on Shaalaa.com?
1. Inform you about time table of exam.
2. Inform you about new question papers.
3. New video tutorials information.
- Primary treatment, Secondary treatment or Biological treatment, BOD (biochemical oxygen demand), activated sludge, anaerobic sludge digesters, biogas,Ganga Action Plan
Shaalaa.com | Microbes In Human Welfare Part 2
Series 1: playing of 3
to track your progress