Chemistry holiday project class 11 2.
Household purification of water slideshare.
Small scale purification household boiling claims that it kills most of bacteria spores cysts ova claimed chemical disinfection bleaching powder.
Bleaching powder chlorine solution high test hypochlorite hth chlorine tablets iodine potassium permanganate household filtration 2.
Water purification generally means freeing water from any kind of impurity it contains such as contaminants or micro organisms.
Water purification is the transition of dirty harmful contaminated water into clean safe water.
Purification of water on small scale domestic level at small scale or domestic level is carried out by.
Water purification small scale 1.
Water is of major importance to all living things.
Disinfection of well by adding bleaching powder double pot method 8.
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.
200 g bleaching power 25 cl available 1 l water 5 solution one drop of this solution will disinfect 1 l of water.
One major purpose of water purification is to provide.
Water purification methods 1.
Household water treatment globally nearly two billion people use either unimproved drinking water sources or improved sources that are faecally contaminated.
Water purification methods used in various households household 1 reverse osmosis ro household 2 boiling and distillation household 3 chemical disinfection household 4 filtration household 5 uv light treatment household 6 boiling and distillation household 7 reverse osmosis ro household 8 filtration.
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.
Purification of water on large scale the purpose of water treatment is to produce water that is safe wholesome.
Water purification process by which undesired chemical compounds organic and inorganic materials and biological contaminants are removed from water that process also includes distillation the conversion of a liquid into vapour to condense it back to liquid form and deionization ion removal through the extraction of dissolved salts.
Over half a million diarrhoeal deaths in low and middle income countries are attributed to inadequate drinking water and the vast majority of these deaths occur among children under 5.
Purification of water on a small scale 34.
Water purification methods 1.
