To be effective the water must be brought to a rolling boil for 10 to 20 minutes.
Household methods of purification of water slideshare.
Household water treatment and safe storage hwts interventions can lead to dramatic improvements in drinking water quality and reductions in diarrhoeal disease making an immediate difference to the lives of those who rely on water from polluted rivers lakes and in some cases unsafe wells or piped water supplies.
Boiling rolling boil for 10 20 min kills bact spores cysts ova removes temporary hardness taste can be altered no residual protection should be stored in same container where boiled 35.
Boiling it is satisfactory method of purifying water for house hold purposes.
Contaminated water is then exposed to this light for treatment.
Water is of major importance to all living things.
A dominant type of uv called uv c or germicidal uv is used in this process.
Purification of water on a small scale 34.
You can purify water by using water purifier and it can be purchased from industrial ro plant suppliers in gurgaon.
Boiling for 5 to 10 minutes kills bacteria spores cysts and ova of intestinal parasites.
1 boiling rolling boil for 10 min.
Boiling is the oldest and satisfactory method of purification of water on small scale.
It destroys 99 99 of disease causing microorganisms.
What is water purification.
Water purification is the transition of dirty harmful contaminated water into clean safe water.
Water purification non equilibrium analysis by.
Sundaravadivel encyclopedia of life support systems eolss collected from unprotected local sources.
It also removes hardness of water and soft water is produced.
Water purification is the removal of contaminants from raw water to produce drinking water that is pure enough for human consumption or for industrial use.
Water purification methods 1.
Ii traditional and household water purification methods of rural communities in developing countries s.
Methods of water purification 1 water purification is the process of removing undesirable chemicals biological contaminants suspended solids and gases from water.
Purification of water on small scale at small scale or domestic level is carried out by.
Water purification generally means freeing water from any kind of impurity it contains such as contaminants or micro organisms.
Unesco eolss sample chapters wastewater recycle reuse and reclamation vol.
It is an efficient and trusted method of water purification.
Karan sharma april 23 2015 2.
Powerpoint ppt presentation free to view.
Uv light treatment in this method a uv lamp is used to produce uv light.
