and convenient methods of water purification for drinking, household needs in living conditions in the city, rural areas, in the country.
Water should be harmless to humans in chemical composition and epidemiologically safe. The safest water is boiled. Boil the water for 5-7 minutes, and store no more than 1-2 days. However, when boiling, water completely or partially loses useful elements. So it’s better to clean drinking water, rather than boil it.
The easiest way to purify water is to sediment it. Water should be sedimented for at least 10 hours in open vessels in places protected from direct sunlight. As a result, chlorine evaporates, and salts of heavy metals settle to the bottom.
Freezing water with subsequent thawing (melt water) helps to improve the quality of drinking water, reduce the harmful effects of nitrates, chlorides and other chemical compounds contained in it. In small quantities, melt water can be obtained using vessels with a wide, like bottom, throat:
Paper and plastic bags.
Not suitable for this purpose:
Galvanized Iron Tanks.
Book Contents The Most Common Water Purification Methods.
Domestic water treatment.
Water is the source of life.
Drinking water quality.
Household Drinking Water Purifiers..
The most unusual substance in the world.
Degassed Water, or “Cold Boiling Water”.
“Living” and “dead” water.
There is an effect…
The healing properties of activated water.
Hard or soft?
Origin of stiffness.
The effect of stiffness on human health.
Why stiffness bothers us?
How to prevent stiffness?