Dededders

Types of water softening plants 

Water softeners can be of two types:

Ion exchange (salt) dewatering (also called ion exchange) technology volumetric water softener) if (salt-free) softeners with T.A.C.-based technology.

Each of the two softening technologies has advantages and disadvantages. Choosing a water softener involves first and foremost an understanding on the part of the beneficiary of the end result of water treatment. In other words what the customer wants to achieve. Secondly, the technical limitations for installation will be taken into account: space, drainage, electricity, septic tank, etc.

The classic dewatering, the one using salt and containing ion exchange resin

This type of softener is most commonly known and in popular terms called "salt softener". A softener station of this type needs a drain (as for a washing machine), electricity and sufficient space for installation (space differs from case to case, depending on the shape and size of the softener needed).

The classic water softener is actually an ion exchanger that removes positively charged ions from the water, especially calcium (Ca2+) and magnesium (Mg2+) ions. The desiccator traps these ions on the resin in the pressurized tank. After a certain volume of water has passed through the pressurized tank, the resin reaches its maximum capacity to retain these ions, at which point it no longer has the capacity to soften. In order for the water softener to continue to have softening capacity, it is necessary to regenerate the resin by washing it with brine. If the softener is automatic (as our softeners are), the intervention of the beneficiary is not necessary.

There are several types of classic thalers: automatic, semi-automatic, manual.

The most practical and popular softeners are automatic, which in turn are divided into two types:

  • Volumetric water softeners should ideally be proportional (such as the drinking water softeners available from Azura).
  • After time thimblers - we do not sell and have never sold as they have higher salt consumption.

The result of using an ion exchange based salt softener

The resulting water will have a hardness of less than 1 degree German. If a higher hardness is desired, this can be adjusted by a bypass (a little water bypassing the softener).

The strong point of softened drinking water: the water no longer contains calcium and magnesium ions, it is soft water, it does not leave white marks on dishes and sinks or leaves them in much reduced quantities (depending on the hardness of the water).

Disadvantages for a salt water softener: it requires connection to the drain and the amount of water thrown into the sewer or septic tank is not negligible, water containing a lot of salt; soft, softened water is accused of causing cardiovascular diseases due to its high sodium content.

The T.A.C.-based T.A.C. salt-free water softener is a conditioner

This technology uses a special resin called T.A.C., which does not need salt regeneration or reverse washing.

The salt-free water softener conditions the calcium and magnesium ions in the water so that they no longer adhere to surfaces. The surfaces inside the installations remain clean, whether it is water pipes, waterworks, boiler, solar panels, etc.

Advantages of salt-free water softener:

  • no cost for the salt needed;
  • no water costs for washing/regeneration;
  • maintenance-free - no servicing required;
  • the water is still drinkable, as calcium and magnesium ions have not been removed and sodium has not been introduced into the water;
  • no electricity consumption.

The disadvantages of a salt-free softener

Because the calcium and magnesium ions have not been removed from the water (the water will have the same hardness after treatment), it will leave white stains on the outside of the installation, i.e. on the sink, batteries, dishes, shower cubicle. However, these stains will be easily removed because we are talking about a treated limescale that will be deposited in the form of a soft and easily removable powder.

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