Water Filtration Process Ppt

A water softener typically uses sodium or potassium ions to replace calcium and magnesium ions the ions that create hardness.

Water filtration process ppt.

Kudarha assistant professor m. Water softeners a water softener is a device that reduces the hardness of the water. The top of the filter. A water filter is a device which removes impurities from water by means of a physical barrier chemical and or biological process.

Rapid sand filtration is a physical process that removes suspended solids from the water. In fact during rapid sand filtration the water flows at a rate up to 20 metres per. You can show how a gradual selection is done filtering out many input items clients leads users job candidates gradually over several levels until you will get the best desired outcome. Times new roman arial arial narrow wingdings arial black verdana generic 1 generic microsoft photo editor 3 0 photo filtration slide 2 slide 3 slide 4 slide 5 filtration mechanisms slide 7 slide 8 slide 9 slide 10 slide 11 slide 12 slide 13 diagrammatic layout of sand filters typical multimedia filter slide 16 slide 17 slide 18 slide 19 slide.

Rapid sand filtration is much more common than flow sand filtration because rapid sand filters have fairly high flow rates and require relatively little space to operate. This filtration reduces the bacterial content by 98 99 turbidity by 50 ppm to 5 ppm and colour to colurless. Civl 1101 introduction to filtration 2 15. It then flows downward.

Filtration is the second stage in the purification of water. It may be define as a process of separation of solids from a fluid by passing the same through a porous medium that retains the solids but allows the fluid to pass through. It allows gases trapped in the water to escape and adds oxygen to the water. In filters with a control valve installed on the filter effluent pipe the filter flow is restricted during this time.

Filtration is used to separate nonsettleable solids from water and wastewater by passing it through a porous medium the most common system is filtration through a layered bed of granular media usually a coarse anthracite coal underlain by a finer sand. When the filtration is started after being backwashed there will be little head loss. Maintenance and lack of regulation can become major disadvantages of filtration. Continue the aeration process by pouring the water into another bottle or the beaker then pouring the water back and forth between them about 10 times.

Also water treatment filters are not regulated by any health commission or department so the effectiveness of filtration and purification can vary. Filtration it is the oldest and universal method of purification. The process of filtration can become a costly process when it comes to water treatment and water purification.