New Methods For The Determination Of Chemical Oxygen Demand

Kel’ina, S. Yu.; Tsymbal, D. O.; Dedkov, Yu. M.

doi:10.17721/moca.2017.17-23

MOCA

2017

DOI: 10.17721/moca.2017.17-23

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New Methods For The Determination Of Chemical Oxygen Demand

S. Yu. Kel’ina¹,

D. O. Tsymbal²,

Yu. M. Dedkov³

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Rationale for the use of photocatalysis for natural and drinking water purification from pollutants of biological origin

Tsymbal

Mazanik

2021

jour

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Objective. To evaluate the effectiveness of photocatalytic methods of oxidation of organic substances for the preparation of drinking water. To show the expediency of the use of the described method for the design of wastewater treatment facilities.Materials and methods. The oxidation degrees of 58 organic substances of various hazard classes were studied. The sampling frame was based on two characteristics: origin (biological and artificial) and the oxidation state stated in different sources.Results. A high efficiency of photocatalysis for the destruction of organic substances in wastewater from various industries has been shown: the degrees of oxidation range from 70 to 100 %.Conclusion. Photocatalysis can be used to design wastewater treatment facilities with a view to reducing the probability of biological pollution of natural waters intended for drinking water production.

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Rationale for the use of photocatalysis for natural and drinking water purification from pollutants of biological origin

Tsymbal

Mazanik

2021

jour

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Photocatalytic method for determining the water quality index

Tsymbal

2023

jour

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Objective. To evaluate the effectiveness of the application of the new method in laboratory studies of water quality and to determine the optimal conditions for analysis.Materials and methods. Generally accepted methods of analytical chemistry were used to determine the rate of the catalytic oxidation reaction and its practical yield. All measurements were subjected to standard statistical processing.Results. The stages and results of determining the optimal conditions of photocatalytic oxidation are presented. The prospects of using photocatalysis in sanitary supervision institutions are shown.Conclusion. The photocatalytic oxidizing system UV-nano-TiO2-K2Cr2O7 meets all the requirements for the methodology of chemical oxygen demand (COD) determination and is even more rapid, reproducible and accurate in comparison with the certified arbitration method.

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New Methods For The Determination Of Chemical Oxygen Demand

Cited by 2 publications

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Rationale for the use of photocatalysis for natural and drinking water purification from pollutants of biological origin

Rationale for the use of photocatalysis for natural and drinking water purification from pollutants of biological origin

Photocatalytic method for determining the water quality index

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