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Home Environmental Desalination and water treatment clathrates technology

Desalination and water treatment clathrates technology


  • World needs for fresh water grow. In the market energy-saving, universal and inexpensive desalination technologies are necessary. In the world 26 countries feel deficiency of fresh water, in 13 countries it is very actual.
  • Ability of water to form in initial salt water the crystals of clathrates, which fresh water and special agent enters in the complement of, lies in the basis of technology. Crystals move away from a brine and decompose with formation of liquid fresh water and agent, which are easily divided.

Innovative Aspect and Main Advantages

  • Conditions of carrying out of process close to normal (pressure not above 3 atm. and temperature in a range from 0 up to 30°С).
  • Simple hardware equipment.
  • Water with the small contents of heavy isotopes Н2,H3 and O18.
  • Small energy consumptions (less 100 kJ per kg fresh water) on desalting of high salty water without its preaward preparation.

Areas of Application

  • Receipt of water for irrigation.
  • Preparation of water for the membrane final cleaning.
  • Treatment of sewages and wastes.
  • Concentration of solutions thermally unstable substances.

Pilot unit for desalination and water treatment
Fig. 1 Pilot unit for desalination and water treatment

Demanded water-desalinating
Fig. 2 Demanded water-desalinating capacities m3/(year·person)

Stage of Development

The pilot unit is developed.
Properties of the clathrates are investigated.

Contact Details

Tretyakov Konstantin
Telephone: +38 050 452-5530
Fax: +38 056 770-0125
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Yuzhnoye State Design Office, Kryvorizka 3, Dnipropetrovsk, 49008 Ukraine

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