Water disinfection and disinfection, boiling and chemical method of water disinfection in the field.

Boiling to disinfect water is the most effective and reliable way to disinfect water in the field. Boiling dirty water should last at least 8 to 10 minutes. If the water was taken from a suspicious or very heavily contaminated source (which is allowed only in extreme cases), it should boil over very low heat for half an hour. 

Water disinfection and disinfection, boiling and chemical method of water disinfection in the field.

For a greater disinfecting effect (depending on the area), boiling water can be added.

Water disinfection and disinfection, boiling and chemical method of water disinfection in the field.

Young branches of spruce, pine, fir, cedar, juniper, 100-200 grams per bucket of water. A brown, insoluble precipitate settled at the bottom cannot be drunk.
Willow, willow, oak, beech bark, young birch bark, 100 -150 grams per bucket of water and boil for 20-40 minutes over low heat or insist in warm water for at least 6 hours.
2-3 handfuls of well washed reindeer moss.
Lichen (stone moss), hazel or walnut bark, 50 grams per 10 liters of water.
Arnica or calendula grass, 150-200 grams per bucket, boil for 10-20 minutes or insist for at least 6 hours.
Grass of feather grass, tumbleweed, yarrow or field violet at the rate of 200-300 grams per bucket of water.
Camel thorn or saxaul.

You can eliminate the unpleasant odor of water by adding to it when boiling charcoal from a fire and then settling.

The chemical method of disinfecting water in the field.

It is most reliable in the field to use water disinfecting tablets manufactured by the industry for water disinfection. Such as pantocide, aquasept, aquatabs, clorsept, hydrochloronazone and others. One tablet of such a drug usually disinfects 0.5-0.75 liters of water 15 to 20 minutes after dissolution. If the water is very contaminated, the dose must be doubled. In this case, the turbidity settles to the bottom, the water brightens. The quality of tablets for water disinfection can be assessed as follows: if the tablet contains 3-4 mg of active chlorine, then the quality is excellent, 2-3 mg is good, 1-2 mg is satisfactory, less than 1 mg is bad, it makes no sense to use.

Water disinfection and disinfection, boiling and chemical method of water disinfection in the field.

To some extent, tablets for water disinfection can replace.

Potassium permanganate (potassium permanganate), but you need to know how much to add to the water, otherwise you can kill the entire intestinal microflora. Enough about 1 2 grams per bucket of water. Or, per liter of water, several crystals are slightly smaller than a match head, while the color of the solution should be slightly pink. This amount is enough to kill extraneous microflora. Especially enteric and dysenteric stick and silver staphylococcus.

Iodine at the rate of 3-4 drops of 5% tincture per 1 liter of water. Mix well and let stand for an hour. There are also a number of drugs (iodine tablets) used for individual disinfection of water. According to experts, potassium permanganate and iodine are the most effective means for disinfecting small volumes of water in the field.
Aluminum Alum a pinch on a bucket of water.

In the most extreme case, even ordinary table salt will help a little, one tablespoon per 1.5 2 liters of water. In all cases, water should be allowed to settle for 15-30 minutes.

Industrial field filters for field disinfection of water.

Various industrial filters are a good means for disinfecting water: Barrier, Brita and others. It is most convenient to have a pocket-sized version of the Rodnik filter, which has the appearance of a plastic tube, one end of which is lowered into a reservoir, and through the other, water is absorbed by the mouth. Water disinfection in such a filter is carried out using powerful iodine-containing reagents. Portable Katadyn filters are also well-suited for field use, allowing you to drink water from any source without fear for your health. According to manufacturers, bacteria, germs and viruses are destroyed during the filtration process, and some models also improve the taste of water..

Purification and disinfection of water using the coagulant Hyacinth.

Partially used materials from books.
Man in extreme environmental conditions. V.G. Volovich.
Great encyclopedia of survival in extreme situations. A. Ilyichev.

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