The document discusses the water treatment process, which involves removing pollutants from raw water through screening and filtering to produce safe water for human use. The screening process removes wood chips, leaves, and other floating impurities. This creates a more compact suspended material and allows the water to flow into chambers where settled material collects on the bottom. Screening restricts solid waste from entering the water treatment plant and prevents equipment damage while preparing the water for subsequent treatment steps.

2. WATER TREATMENT PROCESS
 Water treatment is the process of removing
pollutants from raw water to produce safe
water for human use in chemical and bacteria.
 Water should also be aesthetically acceptable,
free from turbidity, smell and unpleasant
color.

3. screening
 Initially, wood chips, leaves, aquatic plants
and floating impurities are removed by
the screening process.
 After the screening, a more compact
suspended material will be removed to
allow water to flow through the chamber in
which it will settle to the bottom.

4. The purpose of
screening process
 Restrict the entry of suspended solids
such as garbage in the water treatment
plant.
 Prevent pump, pipe and equipment from
clogging or damage.
 Launched a water course for the next
process.

5. types of filters
COARSE FILTER
 To filter materials such as
the larger floating garbage and twigs.
FINE FILTER
 To remove floating materials such smaller
water plants, leaves and so forth.

8. THANK YOU