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  5. POSSIBLE WAYS OF THE INCREASE IN EFFICIENCY OF THE USE OF CHLORINE-CONTAINING DISINFECTANTS IN TECHNOLOGIES OF BIOCIDAL WATER PROCESSING

POSSIBLE WAYS OF THE INCREASE IN EFFICIENCY OF THE USE OF CHLORINE-CONTAINING DISINFECTANTS IN TECHNOLOGIES OF BIOCIDAL WATER PROCESSING

 

10.24411/1728-323X-2018-14128

Section

Environmentally sound technologies and innovations

Title

POSSIBLE WAYS OF THE INCREASE IN EFFICIENCY OF THE USE OF CHLORINE-CONTAINING DISINFECTANTS IN TECHNOLOGIES OF BIOCIDAL WATER PROCESSING

Сontributors

A.I. Azhgirevich, Ph. D. (Engineering), All-Russian Branch Association of Employers "Ecosfera", This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract

In the article, two ways of the increase in efficiency of the use of chlorine-containing disinfectants, the most perspective to the author's mind, are considered. They are connected with the decrease in a dose of the reagent-disinfectant by means of its combination with another one, deprived of shortcomings of chlorine and introducing additional benefits of the combined technology, and also with the activities directed to the decrease in the amount of the chlorine getting to the atmospheric air and drinking water.

Some important aspects of the ecological justification of the use of the alternative technologies or the improvement of the existing ones (with double chlorination) are considered.

The results of the research aimed at the increase in technical and economic indicators of the process of chemical and biocidal water processing with molecular chlorine and hypochlorite of sodium in a combination with the decrease in the level of its ecological danger are given.

It is noted that as a result of studying the bactericidal activity of molecular chlorine, hypochlorite of sodium, chloroamine, chloric lime and neutral hypochlorite of calcium, some insignificant advantage of hypochlorite of sodium in comparison to chlorine and other substances is established. The possibility of the essential increase in the efficiency of molecular chlorine as a disinfectant is revealed. It is established that sodium hypochlorite combination with the ions of copper and silver promotes sharp increase in the efficiency of the process of biocidal water processing and significantly

prolongs antibacterial stability of the water containing specified disinfectants.

Keywords

water treatment, disinfectant, bactericidal action, water treatment.

References

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