Many of us need distilled water from time to time. A motorist needs it to service batteries. A housewife needs to pour it into iron with a steamer. A pharmacist needs it to make medicines, etc. Read about what distilled water is, how it is produced, what standards it regulates. Here you can know about what is distilled water.
What is distilled water?
Distilled water is purified from any impurities, salts, organic, and other substances. By distillation, or distillation, but in recent years.
Distilled water, being practically devoid of salts and other impurities always contained in ordinary water, has specific properties:
- Better solvent than raw water;
- Has a minimal effect on the course of chemical reactions;
- When mixed with other substances, it does not change their basic properties;
- When heated and evaporated, it leaves no residue (scale).
That is why distilled water is actively used in industry, cars, and everyday life, as discussed below.
It will be interesting to note here that although distilled water is purified. It still contains various impurities. These impurities are orders of magnitude lower than in untreated water, but they still exist and make themselves felt. Therefore, it is necessary to distinguish from chemically pure water. In which the concentration of impurities is reduced to a possible minimum
On the other hand, the rainwater.
Purpose and application of distilled water
Distilled water has an extensive range of applications. It is used in various industries (mainly chemical), agriculture, pharmaceuticals, cosmetology, perfumery, medicine, etc. Also, distilled water is very widely used for laboratory and various scientific research.
Specifically, there are several areas of application of distilled water:
- Dilution of battery electrolytes to achieve the required density (dilution of electrolytes with untreated water is unacceptable. Since the salts and impurities contained in it can cause an unpredictable reaction);
- Dilution of antifreeze (both in the cooling system and in the washer) to achieve the required freezing temperature;
- Flushing of liquid cooling systems;
- Use in irons with a steamer (water does not form scale, preserving the heating element of the iron, and does not leave any marks on clothes);
- For diluting various concentrates requiring a high degree of purity;
- Use for the production of drugs, cosmetics, and perfumery;
- Application in many printing processes and photo printing;
- Adding to some alcoholic and non-alcoholic drinks to achieve certain organoleptic qualities;
- Application at large enterprises of various directions (in the chemical industry, metallurgy, microelectronic products, etc.).
Many modern technological processes, including the techniques of car production, are no longer possible without it. Distilled water has already penetrated our everyday life, so this chemical’s need is growing from year to year.
As for motorists, they, as already mentioned, use distilled water to service batteries, the engine cooling system, and the washer. Most car owners entrust the maintenance of their cars to the specialists of service centers. But “old school” drivers who trust only themselves always have a supply. However, it is useful to have a canister with such water in stock for every car owner. It can help out great in an unforeseen situation.
Distilled water requirements
Distilled water has long become an important chemical raw material. Today in Russia, GOST 6709-72 “Distilled water. Technical conditions “specifies the permissible parameters of distilled water, acceptance rules, analysis methods, and storage requirements.
Any business that produces distilled water for sale must strictly adhere to this standard.
It can contain various salts and ions but in such a concentration. That has a minimal effect on the water’s chemical neutrality. The maximum concentration of all salts and other impurities. Distilled water should not exceed 5 mg / l. Rainwater usually contains at least 10 mg / l (but usually 20 or more) impurities. And the cleanest river and lake river includes 100-200 mg / l of salts and other substances.
The standard clearly states that distilled water can only be stored (and therefore sold) in chemically neutral—containers made of polyethylene, fluoroplastic, and other plastics.
Distilled water types
However, everything is not so simple here, and there are several types of water:
- Ordinary distilled water by GOST 6709-72;
- Deionized water;
- Double distilled water (double distilled water);
- Chemically pure water (bidistilled water has undergone an additional multistage purification from volatile organic. Other light compounds use radioisotopes and other methods).
Such water has a very low electrical conductivity and a high degree of purity. This is mainly scientific research in chemistry, biology, biochemistry, microbiology, and other fields. Only ordinary distilled water is widely available on the market since different pure water types are too expensive.
Industrial methods for obtaining distilled water
As the name implies, distilled water is obtained by distillation or distillation. The collection and further condensation of the resulting vapor. During evaporation, the bulk of the salts and impurities dissolved in water. Remains in the form of a solid precipitate (since they cannot evaporate with water). To obtain alcohol and alcoholic beverages).
A typical industrial distillation plant consists of a sealed tank supplied with water, heaters, and systems for collecting and condensing steam. Distillers often use so-called steam compressors, which compress the generated smoke, providing a higher capacity for the entire plant. To obtain water from moisture, it must be condensed, which is most comfortable to do with forced cooling. That is why to get distilled water. It is necessary to use a relatively large amount of water for cooling. On average, from 6 to 8 liters per liter.
Today, another process for obtaining distilled water is gaining popularity – osmotic. This method is the basis for the operation of membrane distillers. The size of these pores is such that only water molecules can penetrate through them. Still, it has a drawback – not too high a rate of water purification. Therefore, today membrane distillers are little used in industry, but they find the most comprehensive laboratory application.
Is first subjected to coarse and fine purification, dechlorinated and deferred. And only after cleansing, the water enters the distillation unit. It falls on our heads in the form of precipitation. After all, the process of evaporation of water from the surface of reservoirs under the influence of sunlight. Followed by condensation of steam into clouds is the same distillation process.
Distilled water and human health
For many years, there has been a debate over whether a person can drink. However, scientists have long completed these disputes since many studies have been carried out. That has proven that a person should refuse to use distilled oxen. At least in large doses. And the reasons are straightforward.
It has several harmful properties:
- It has low organoleptic qualities. That is, put. It is tasteless. Or rather, it does not have the smell and taste characteristic of ordinary drinking water;
- It does not quench your thirst;
The whole point lies precisely in the absence of salts, minerals, and ions – they determine both the taste of water. And its beneficial qualities for the body. We feel thirst not only because the body has lost a certain amount of water. And if you drink distilled water, the effect will not be achieved. The thirst will remain unsatisfied. Of course, a single use of a small volume of distilled water is unlikely to cause negative consequences. But if you drink such water constantly, then negative changes will occur in the body. In particular, due to a violation of the water-salt balance, metabolic processes fail, the mineral composition of the blood changes. Physiological changes also occur in the nervous system (again due to a mineral composition violation). In some parts of the brain and other organs.
So it’s best not to take risks and drink. Paradoxical as it may seem, even the simplest tap water in a metropolis. Is much healthier and safer for our body. Then the purest distilled water. This connection between water and health is not accidental. There is no absolutely pure water on Earth, and all living things have to consume water. With varying degrees of mineralization.
Distilled water in nature
It turns out that it is not something artificial and invented by man. But a real substance found in living nature. In simple terms, distilled water is a liquid that results from the initial evaporation of ordinary water. And its subsequent condensation on something. In the sky, this vapor cools and forms clouds, which consist of distilled liquid. The dew that falls in the morning is also an example of distillate in nature. Snow and frost are also nothing more than a sample of it.
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Practical application of distilled water
Due to the absence in its composition of any impurities, both mechanical and mineral. This water has found wide application in various human activity fields.
Car service and maintenance
The most widespread water distillate is found in the automotive industry. When servicing and caring for vehicles. For example, the following points can be noted.
- Car battery maintenance The car battery is
filled with a special electrolyte. The efficiency of which is determined by the optimal value of its density.
- Dilution of coolant concentrates (antifreeze)
In most cases on the automotive market, antifreeze is offered as a concentrate that must be diluted. To obtain an optimal coolant consistency. For this purpose, it should be used, which will save the car’s cooling system from clogging.
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- Maintenance of the wiper
system The wiper system uses special cleaning fluids, the concentrate of which must also be diluted with water distillate. This will protect the channels of the system from salt deposits and blockages.
Care and maintenance of measuring instruments
In scientific laboratories, water distillate has found wide application as a cleaner for measuring instruments. Many instrument manufacturers require the instruments to cleaned. Also, the distillate will, in many cases, become indispensable for instrument calibration—for example, photometers, aerometers.
It is almost impossible to do without medicine. Here it is also used as a cleaner for many measuring instruments.
Today the consumer market is overflowing with many household appliances. That use water for their work (irons, vacuum cleaners, air humidifiers, etc.). The use of untreated water will lead to rapid failure. But water distillate, in this case, will be just the way.
Can I drink water distillate?
Many users ask this question. More than one dispute has arisen on this topic. We can immediately say that nothing terrible will happen to a person after drinking a glass of such water. But the daily use of this water is unlikely to benefit. The fact is that the water contains many mineral salts needed for the human body’s optimal functioning. They are absent in the distillate, so this drink will not bring any benefit to a person. Moreover, this water’s constant use will provoke “washing out” of the body of useful minerals. Therefore, it is better not to use such water as drinking water because it is essentially “dead” water. That does not carry an energy charge for the body.