FILTERING MATERIALS AND SALT FOR FILTERS
The filter material is the working substance through which the water to be cleaned seeps. Materials in the form of fine-grained filler fill the filter blocks. They retain unwanted organic and mechanical impurities.
FILTER FILLINGS AND SALTS
Fill and salt filters are used to purify, disinfect and soften drinking water.
- Fillings are used for mechanical water treatment. They include quartz sand, activated carbon, ion exchange resins.
- Salts are used to soften water in filters operating on the principle of ionic replacement. NaCl salt, which is a cationic substitute for Ca and Mg salts, is used in these filters. Softening salts are made by vacuum-boiling, which gives a product of maximum purity.
Backfills can be complex, working simultaneously with different types of pollution.
Initially the water already contains dissolved salts, the most dangerous of which are magnesium and calcium salts. Water with this total salt content is called hard water and makes it unsuitable for domestic and household use. To remove this disadvantage both industrial and household water softening units are used which use ion exchange resins to remove harmful heavy metal ions by replacing them with harmless ions. Tableted salt is used for water purification from hardness salts and restoration (regeneration) of ion exchange resins. Salt tablets for water softening has found application in various industries: pharmaceutical, chemical, food, energy, as well as in zhkH and in the home: apartments, houses, cottages.
Untreated tap water contains mechanical impurities, metals, bacteria, pesticides, chemicals in varying amounts that accumulate in the body and can cause various diseases.
Water treatment helps get rid of the unpleasant taste and odor that appear as a result of an increase in the concentration of inorganic and organic substances in the composition of such water.
Lithuanian water leads to the accumulation of scale on the heating surfaces of electrical appliances, consequently reducing their thermal conductivity. This accelerates appliance failure and increases energy costs.
It is known that the consumption of clean water is extremely important for maintaining health. That is why purified water is necessary for a person to protect himself from many diseases and to continue an active life without doctors and pills.
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