Deep desalination

Deep desalination is the process of complete elimination of the salts and impurities contained in a solution. Deeply desalted (distilled) water is used in pharmaceuticals, medicine, electronics, the chemical industry and other industries.

To obtain deeply desalted water, two (or more) purification steps are used:

  • The pre-desalination step is a necessary step in the deep desalination process. At this stage, most of the impurities contained in the initial solution are removed from it. For this, ion exchange is the most commonly used method, as well as reverse osmosis and electrodialysis.

  • Stage of additional deep desalination. Ion-exchange processes (ion exchange, electric deionization) are used at the final stage, which make it possible to remove from water up to 99% of salts and impurities.

Water Technologies and Services Division (Mirrico Group) supplies deep water desalination plants. Proprietary manufacturing operates on the basis of ion exchange and electric deionization (EDI) technologies.

Deep desalination using ion exchange method applying mixed Н-ОН and Н-ОН-Н filters makes it possible to obtain ultrapure water and to isolate silicic acid and organic substances.

The MIRRICO Group of Companies equipment based on this technology has several advantages:

Savings - counter-current ion exchange technology allows you to reduce your own needs for reagents for the regeneration of ion-exchange resins, as well as use in plants of feeders of any manufacturer.

High treatment speed (up to 40 cubic meters per hour).

The ability to adjust the degree of efficiency of equipment (from 10% to 140%).

The technology of electric deionization does not require the use of chemical reagents and allows to obtain high-quality water purification with an electrical resistance index of more than 10 Megmho/cm

Plants based on this technology have the following advantages:

  • Long life of equipment and ion exchange resin.

  • Continuous regeneration of the ion-exchange resin in the plant , which eliminates the need to use backup equipment and reagents.

  • The equipment occupies minimum plant space, requires minimal intervention during operation.

  • High quality treatment throughout equipment life time.

You can get a detailed consultation of technologists, answers to any questions you may have, order equipment for deep water desalination using the feedback form.

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Mixed-bed-H ionization technology
Patent of invention of the Russian Federation №2206520 Purpose: obtaining deeply desalinated water for technological needs

Advantages of technology in comparison with alternative solutions:

  • Ecological:

  • - Reducing the amount of wastewater by 2-3 times by reducing the amount of washing before starting work.

  • • Technological:

  • - Improving the quality of deeply desalinated water (electrical conductivity - less than 0.2 μS / cm, silicic acid - less than 15 μg / liter, sodium - less than 15 μg / liter).

    - Simplicity and reliability in operation.

    - Simple filter design (modernization of standard filters such as ICF type or mixed-bed filter is possible).

    - High filtration rate (up to 50 m / h).

    - Possibility of using ion-exchange resins of any production.

    - Ease of control and automation.

Comparison of Dyclar technology and alternative solutions

Mixed-bed- H ionization

  • Higher quality of deeply desalinated water:
    • reduced silica and salt content due to the absence of the counter-ionic effect in the mixed layer of ion exchangers
    • provides the receipt of "traces" of sodium cations in the filtrate through the use of an H-cation barrier exchange layer, the regeneration of which is carried out in a counter-current mode
  • the placement of the copolymer layer between the active resin and the inert acts as an additional filtering layer that protects against suspended matter
  • high filtration rate (up to 50 cubic meters per hour).
  • Reduction of wastewater volume by 2-3 times due to the absence of the need for long-term washing off of ion-exchange resins
  • the ability to adjust the degree of efficiency of equipment (from 10% to 140%).
  • Reduced consumption of chemicals for the regeneration of ion-exchange resin
  • Low capital costs for converting a conventional mixed-bed filter into the offered mixed-bed-H-filter (installation of an additional drainage and distribution device - a simplified design of a median drainage of a collector-radial type);

Schwebebett, Puropack
Separate H-cationization and OH-anation

  • High consumption of chemicals and washing solutions
  • Long multi-stage washing process