EVOQUA® Water purification systems for laboratories

Laboratory water purification systems ensure the minimum amount of foreign impurities and allow you to monitor their content.

Evoqua Ultra Clear TWF EDI Product Overview

EVOQUA® Water purification systems for laboratories 2
Even in the most ultra-modern laboratory, ordinary water is used as the main solvent. Naturally, during each experiment it is necessary to avoid exposure to any extraneous impurities, so the solvent must be as pure as possible. It is for such tasks it is necessary to buy laboratory water, or use a water purification system.

Laboratory water purification systems, water filtration

It is no secret that elements of any origin (organic and inorganic) in water can affect the course and results of laboratory tests. It does not matter what is the nature of this influence – positive or negative. For the purity of research and obtaining objective results, it is necessary to ensure the absence of substances that got into the composition of water from the outside.

Laboratory water treatment and purification

Laboratory water purification systems ensure that the amount of extraneous impurities is kept to a minimum and can be monitored. Despite this, some experimental purposes sometimes require a different level of water purification from salts and metals, or the presence of not too many ions. For example, such a technique is widely practiced in the titration of macroquantities.

Evoqua Ultra Clear TP ED water treatment system with electronic dispenser

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Laboratory water treatment systems

Filtration is carried out through a membrane, the pores of which are small for the passage of impurities, but sufficient for the passage of water molecules. The main element here is the reverse-osmosis membrane, with a purification rate of about 98%. Pollutants are removed at the level of molecules and ions: microorganisms, colloidal particles, organics and inorganic compounds. Such water treatment station for laboratories is also very economical in comparison to the traditional method, the cost of obtaining purified water is on average 8-10 times lower. Purification is carried out by a combined method that includes:
  • microfiltration;
  • sorption;
  • membrane separation;
  • ion exchange.
In the final stage, the water treatment system uses a deionizer, which is necessary to separate dissolved salts. Common tap water is used as the starting material. Given this, and the fact that the purification process is not accompanied by a large expenditure of energy, it can be said that the water treatment and purification systems are quite economical. As for the convenience of operation, the devices are equipped with a touch panel, providing the opportunity to monitor the indicators and adjust the settings.

Ultrafiltration, one of the membrane filtration methods, is widely used in laboratory water purification, when due to hydrostatic pressure the liquid passes through hollow fibers. The ultrapure water thus obtained is free of bacteria, suspended matter and viruses. The difference of ultrafiltration, for example, from reverse osmosis and nanofiltration is the preservation of the mineral composition of the water.


Installations for obtaining ultrapure water in the laboratory

Traditionally, water is obtained in the laboratory by distillation. It consists in obtaining steam from water and then converting it to condensate. The modern water treatment system is based on the principle of membrane separation and ion exchange.


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