Presented by : Surendran
K Vishalini a/ p L.S.Kanaga
Melissa a/p Gabriel
Lecturer : Dr. Sapna
Date :
Seminar outline
A) Water Supply
- Uses of Water
- Sources of water supply
- Water pollution
- Water-borne diseases
- Water quality criteria and standard
- Purification of water
B) Sanitation
- Introduction
- Chemical constitution of sewage
- Objectives of sewage system in
- Sewage treatment processes
- Sewage treatment methods
- Sewage treatment systems
- Public sewage treatment plants in
- Biochemical oxygen demand (BOD)
Further learning objectives
· What is a
o Epidemic
o Endemic
o Pandemic
· Water supply
o What is the water treatment system used in the district/country?
o Why is water treatment important?
o Who manages the water treatment and what is carried out in the process?
o What source of water is used by the kampong and why?
o Water borne diseases
o What is potable water?
· Purification of water
o By which way is water purified in the kampong?
§ Domestic
§ Llarger scale
o By which way is water purified in the district?
o What is the water filter which is used at
§ Household level
§ Larger scale
o What is the disinfection used at
§ District level
§ Household level
o Chlorine
§ How much to add
§ Test details
§ Mechanism of action
§ Level of residual chlorine
§ Breakpoint chlorination
o What is the specific way which water testing is done?
o Why is there a difference of free residual chlorine content?
· Sanitation
o What is biochemical oxygen demand level before it is let out?
- Where is sewage from individual septic tanks in the kampong?
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