Filtration of Water | Purification of Water | Part – 03 | Environmental Engineering

Purification of Water | Filtration of Water
00:38 This sand required for filtration of the properties.

01:38 Slow Sand Filtration
Slow sand filtration is a type of centralised or semi-centralised water purification system. A well-designed and properly maintained slow sand filter (SSF) effectively removes turbidity and pathogenic organisms through various biological, physical and chemical processes in a single treatment step.

02:38 Rapid Sand Filtration
The rapid sand filter or rapid gravity filter is a type of filter used in water purification and is commonly used in municipal drinking water facilities as part of a multiple-stage treatment system.

03:30 Pressure Filtration
Pressure filters are in many respects similar to conventional rapid filters. The main differences are that the media is contained in a pressure vessel (such as a steel tank) and that they are operated under pressure provided by means of a pump or high-pressure water source on the influent side rather than gravity.
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Purification of Water Part 1 –
(Screening and Sedimentation)
Purification of Water Part 3 –
(Disinfection of Water)
Purification of Water Part 04 –
(Hardness & Softening of Water)
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