tom3 pp.386-400

I.T. Garipov, A.B. Yuldashev, R.R. Haidarov, O.U. Gapurova, I.I. Sadikov, S.V. Prudnikova, S.Yu. Evgrafova

PREPARATION AND APPLICATION OF THE CATIONITE WITH THE SILVER NANOCLUSIONS

Annotation. In this article, a new method for introducing silver nanoparticles into strong acid cationite KU-2-8, which provides the formation of a layer of silver nanoclusions on the surface of cationite granules, is considered. Silver particles on the surface of the cationite have a spherical shape and uniform distribution, their size varies in the range from 50 to 1000 nm. The total exchange capacity of KU-2-8 cationite for silver ions is 2.05 mmol/g. It is shown that the use of silver nanoparticles in the structure of cationite prevents the growth of bacteria and biofilms on its surface and thereby significantly increases its service life while maintaining a high value of the exchange capacity characteristic of strongly acidic ion-exchange resins. Cationite modified by silver nanoparticles can be widely used as part of chemical water treatment systems designed to increase efficiency, eliminate scale and deposits on heat transfer surfaces in boiler equipment.
Keywords: water, water hardness, silver nanoparticles, ion exchange sorbents, water purification, water softening.

For citation: Garipov I.T., Yuldashev A. B., Haidarov R. R., Gapurova O. U., Sadikov I.I., Prudnikova S.V., Evgrafova S.Yu. [Preparation and application of the cationite with the silver nanoclusions] Upravlenie tekhnosferoj, 2020, vol. 3, issue 3. (In Russ.) Available at: f-ing.udsu.ru/technosphere pp. 386 – 400. DOI 10.34828/UdSU.2020.11.38.001

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About the Author

Garipov Ilnur Tagirovich

Junior researcher, Institute of nuclear physics of the Academy of Sciences of the Republic of Uzbekistan, 100214, Tashkent, Uzbekistan.

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Yuldashev Otabek Bekzadovich

post-graduate student, Institute of nuclear physics of the Academy of Sciences of the Republic of Uzbekistan, 100214, Tashkent, Uzbekistan.

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Haidarov Renat Rashidovich

candidate of physical and mathematical Sciences, head of the laboratory of the Institute of nuclear physics of the Academy of Sciences of the Republic of Uzbekistan, 100214, Tashkent, Uzbekistan, 100214, Tashkent, Uzbekistan

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Gapurova Olga Urumbaevna

candidate of chemical Sciences, Junior researcher of the Institute of nuclear physics of the Academy of Sciences of the Republic of Uzbekistan, 100214, Tashkent, Uzbekistan.

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Evgrafova Svetlana Yuryevna

candidate of biological Sciences, Associate Professor, senior researcher of the Federal state budgetary scientific institution "Federal research center" Krasnoyarsk scientific center of the Siberian branch of the Russian Academy of Sciences", V.N. Sukachev Forest Institute, 50/28 Akademgorodok, Krasnoyarsk, 660036, Russia.

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