General distilled water production market overview
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Many car owners are familiar with distilled water. Distilled water is used both in the production of batteries, and for washing and filling the cooling system (in summer), diluting coolant concentrates (in winter), or for adjusting the freezing temperature of non-freezing liquid for washing glasses.
In medicine, pure water is used to dilute solutions for injection. In addition, distilled water can be used for some other household needs - for example, for adding to steam irons, etc. In principle, distilled water can also be taken orally, but doctors warn against prolonged use: in this case, it is better to prefer mineral water containing the necessary elements.
But to cook in distilled water or use it for other food purposes or to fill the aquarium is not forbidden.
There are several large manufacturers of distilled water on the domestic market, but it is still far from saturation. In addition, this market is practically not represented by local small and medium-sized producers, which makes entering it fairly simple and not burdensome financially - the raw materials cost almost nothing, the number of employees is minimal, and the margin on distilled water is quite high.
Distilled Water Production Technology
Today, there are two technologies for purifying water to a state of distilled: multiple boiling with condensation and reverse osmosis.
The essence of the first method is that distilled water passes through a system of containers, where it is boiled. The basis of the process is water evaporates from the surface of the water. The substances dissolved in it evaporate at a different temperature than water, therefore, in each next tank gets more and more free of impurities steam.
An industrial water distillation system is a 2-, 4- or 6-chamber installation, equipped with an appropriate input for ordinary tap (or even technical) water and an output that is usually connected directly to the bottling line or other containers.
The currently popular reverse osmosis method (or the so-called semi-permeable barrier) is the distillation of water through several filters that filter out impurities first mechanically and then at the molecular level.
In this case, a technology similar to the biological ability of cells to retain unwanted substances is used.
Reverse osmosis technology is much more economical in terms of electricity than distillation technology. But distillation, as a rule, proceeds somewhat faster, and equipment for the production of distilled water is cheaper.
In addition, when using a distiller, operating costs consist only of electricity and maintenance, and in the case of reverse osmosis, the above costs are added to the consumables - replaceable filters. Although, given the fact that both of them are included in the selling price of products, the output difference is almost insignificant.
Premises, machinery and equipment for the production of distilled water
A room for the production of distilled water does not require any special parameters, planning and additional equipment. Simple compliance with current building codes is enough.
Communications, except, of course, water and electricity (for distillers, as a rule, with a voltage of 380 V), are not required.
Water purification equipment is priced according to almost one indicator - capacity, i.e. the production of distilled water, expressed in units of measure (liters, cubic meters or tons) in units of time (hours or days).
For example, if we are talking about a distiller with a capacity of 100 l / h, then, accordingly, in one hour it produces (does not process!) 100 l of distilled water.
In addition, the price of equipment is also relatively insignificant depending on the country of manufacture. Accordingly, for example, Chinese distillers, which are not very high quality both in terms of assembly and in terms of cleaning, will be valued lower than the corresponding European ones, as well as domestic ones.
In general, industrial power electric distillers - i.e. 100 l / h can be purchased for about 130 thousand rubles. (a piece); 140 l / h - for about 170 thousand rubles; 210 l / h - for about 240 thousand rubles.
Of course, if we talk about any significant production volumes (at least 20 tons / day), then there should be several distillators.
A simple calculation shows that, considering the round-the-clock operation of the equipment from the above example, the type of distillators purchased does not matter: in order to equip the production of distilled water with a capacity of 20 tons / day, it is necessary to spend about 1 million rubles in any case. In principle, this is little money, compared with profit.
If we talk about membrane distillers based on the reverse osmosis system, then the price range is even greater: for example, ready-made modular water treatment systems with a productivity of 1.5-2 cubic meters. meters per hour (depending on the quality of the incoming water) will cost € 7300; with a productivity of 5-6 cubic meters. m per hour - already at € 17, 000; and 10-12 cubic meters m per hour - at € 29, 000.
And although, as you can see, water purification systems based on reverse osmosis technology are more expensive than electric distillers, their productivity is much higher. Although you should not forget about the need to purchase interchangeable filter cartridges for them.
But there is another indicator of the quality of the water treatment equipment. Water leaving both systems using reverse osmosis technology and electric distillers is technically considered distilled (sometimes the terms “distilled” and “reverse osmosis” are used to separate the types of water).
But some difference still exists. The amount of salts in the water purified by distillation is about 1-5 mg / l (a special unit is also used - 1 ppm, i.e. partspermillion, read pee-pee, “parts per million”, also indicated as md - “millionth share”), but for high-quality equipment, a concentration of less than 1 ppm is also achievable. While reverse osmosis technology gives a mineralization index of only 5-25 mg / l.
Which technology to prefer, ultimately, of course, is up to you.
Prospects for the production of distilled water
Currently, there is ongoing debate among doctors about whether distilled water can be used as drinking water for a long time, and although opinions on this matter are divided, cooking, using distilled or reverse osmosis water for cooking, diluting food liquids (juices, etc.) not only is not the subject of such disputes, but also encouraged in every possible way, so that the food direction, which is still underdeveloped in our country, has great prospects.
The same can be said about the use of distilled water in other sectors: automotive and medical - the more cars and the more medical institutions use distilled water for their purposes, the more their demand for it will increase.Among other prospects, besides, of course, the production of bottled water, one can note the prospect of free raw materials - water of rivers, lakes and other reservoirs; desalination of sea and non-potable water in arid regions; as well as connecting houses under construction to a centralized distilled water supply system.
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