treatmernt of wastewaterEqualization basin and pumping station

Equalization basin and pumping station. Treatment of wastewater in environment science and engineering

1. TREATMENT OF WASTEWATER – AN OVERVIEW
BY
PROF. S.K. GUPTA
DEPARTMENT OF ENVIRONMNTAL SCIENCE AND
ENGINEERING ISMU DHANBAD

2. SCHEMATIC DIAGRAM OF A TYPICAL WASTEWATER
TREATMENT PLANT

3. DESIGN EXAMPLE

4. DESIGN OF RISING MAIN

6. DESIGN OF SUMP WELL….Contd.

7. DESIGN OF SUMP WELL….Contd.

8. DESIGN OF PUMP

9. DESIGN OF PUMP …..Contd.

10. DESIGN OF PUMP & SUCTION PIPE

12. EQUALIZATION TANKSEQUALIZATION TANKS

An equalization tank is often required to equalize the flow An equalization tank is often required to equalize the flow
and concentration of incoming wastewater to the treatment and concentration of incoming wastewater to the treatment
plant. plant.

This also helps in neutralization of wastewater in addition This also helps in neutralization of wastewater in addition
to avoid shock loading to the biological treatment system.to avoid shock loading to the biological treatment system.

It is provided just to hold the waste and release it gradually It is provided just to hold the waste and release it gradually
so that the incoming wastewater may get mixed so that the incoming wastewater may get mixed
thoroughly and a uniform characteristic of the wastewater thoroughly and a uniform characteristic of the wastewater
may be fed to the further treatment units. may be fed to the further treatment units.

Equalization tank is generally designed for a detention Equalization tank is generally designed for a detention
period of 24 hour. period of 24 hour.

13. Design ExampleDesign Example

14. Graphical Method for determination of Graphical Method for determination of
capacity of EQ. Basincapacity of EQ. Basin

15. Analytical MethodAnalytical Method