Fundamental technological principles of using ozone in water purification processes


Kalandarov P., Kuttybayev A., Zhalunnur S., Sagatova L., Yerzhan A., Tulepbek N.

4th International Conference on Advances in Materials, Earth Science, and Technology, CAMSTECH 2024, Bukhara, Özbekistan, 29 - 31 Ekim 2024, cilt.3390, (Tam Metin Bildiri) identifier

  • Yayın Türü: Bildiri / Tam Metin Bildiri
  • Cilt numarası: 3390
  • Doi Numarası: 10.1063/5.0321963
  • Basıldığı Şehir: Bukhara
  • Basıldığı Ülke: Özbekistan
  • Gazi Üniversitesi Adresli: Evet

Özet

Ozonation of water is the most effective method of purifying water and preventing its contamination with various harmful and dangerous components. This method is used in urban water supply. During the purification process, ozone is able to oxidize pollutants of any origin to insoluble compounds that are safe for human health. Ozone is a safe substance for chemical water purification. Ozone water purification is widely used today due to the need for deep purification of water for its reuse. This study examines the results of a comparative analysis of the use of ozone and chlorine reagents in water purification processes. The comparative analysis is presented in the following aspects: the laws of ozone solubility in water, the effectiveness of inactivation of microorganisms, corrosion activity, environmental impact assessment at the stages of the life cycle and life cycle cost assessment. In general, ozone technology is one of the modern methods aimed at effectively purifying water from harmful compounds. The use of ozone for water purification ensures the destruction of bacteria, viruses and other harmful microorganisms, as well as reducing the content of organic and inorganic pollutants. One of the main advantages of using ozone is its high oxidizing ability, which increases the purity of water and facilitates the removal of various pollutants. The work carried out a life cycle assessment, which helps to determine the environmental characteristics of various cleaning agents, including their production, preparation of reagents and the immediate stages of the cleaning process. Based on life cycle assessments, it was possible to predict the potential impact on ecosystems and the depletion of natural resources for various categories of impact, which made it possible to justify the choice of the best technology when comparing alternative technologies. Of all the options considered, sodium hypochlorite is the most effective chlorine-containing reagent. The results of the study, compared with chlorine-containing reagents, revealed the most effective method of water purification based on ozone.