What is the steps of water filtration process?
They typically consist of several steps in the treatment process. These include: (1) Collection ; (2) Screening and Straining ; (3) Chemical Addition ; (4) Coagulation and Flocculation ; (5) Sedimentation and Clarification ; (6) Filtration ; (7) Disinfection ; (8) Storage ; (9) and finally Distribution.
What is filtration process in water treatment?
Filtration. Water flows through a filter designed to remove particles from within it. The filters are made of layers of sand and gravel, and in some cases, crushed anthracite. Filtration collects the suspended impurities in water, enhancing the effectiveness of disinfection.
What is the first step in the water treatment process?
Coagulation and flocculation are often the first steps in water treatment. Chemicals with a positive charge are added to the water. The positive charge of these chemicals neutralizes the negative charge of dirt and other dissolved particles in the water.
What is filtration process?
filtration, the process in which solid particles in a liquid or gaseous fluid are removed by the use of a filter medium that permits the fluid to pass through but retains the solid particles. In some processes used in the production of chemicals, both the fluid filtrate and the solid filter cake are recovered.
What are the types of filtration in water treatment?
The 5 Types of Filters
- Mechanical Filters.
- Absorption Filters.
- Sequestration Filters.
- Ion Exchange Filters.
- Reverse Osmosis Filters.
How is the filtration process in water treatment?
Filtration process in water treatment:-. In flirtation process the water is passed through a filter bed which consists of porous martial ( sand,gravel,charcoal). When water passes through the bed , the suspended solids matters are collected in the bed clear filter water is collected from the bottom of bed of the filter bed .
What kind of filter is used in flirtation process?
In flirtation process the water is passed through a filter bed which consists of porous martial ( sand,gravel,charcoal).
How is pressure filter used in DM plant?
High pressure air from a blower is used to agitate the bed to remove the deposited sediment easily. In dm plant, pressure filter and activated carbon filter is used to make the water completely free from suspended solids . in pressure filter water is passed through gravel and sand bed.
What is loss of head in water filtration?
Loss of head (head loss) is, the total pressure drop across the filter medium. Viscosity is the resistance of water to shear stresses. The viscosity of water decreases with increasing temperature. The normal rapid sand filter contains 24 – 30 inch of sand for the filtering medium.