Content available at:
Indonesia (Indonesian)
A few years ago, the key was found to produce HYPOCHLOROUS ACID IN SITU. One of the biocides that in recent years is being used more and more, because of its high oxidizing power, combined with its low application cost and its simple production in situ.
Water is an essential compound for life, to the point that life would not be possible without it, and it is also essential that it be chemically drinkable and microbiologically drinkable.
Commission Implementing Regulation (EU) 2021/347 of 25 February 2021 approves active chlorine released from hypochlorous acid as an active substance for use in biocidal products of types 2, 3, 4 and 5.
And Commission Implementing Regulation (EU) 2021/365 of 26 February 2021 approves active chlorine released from hypochlorous acid as an active substance for use in Type 1 biocidal products.
In July 2022 the European Commission approved hypochlorous acid as an active substance for use as a Type 5 biocide.
Biocides group TP5 Drinking water includes those biocides used for the disinfection of drinking water, both for humans and animals.
Advantages of using Hypochlorous Acid
In addition to its advantages as a result of its broad bactericidal, virucidal, fungicidal, sporicidal and biofilm eliminating action in water pipes, it does not present the disadvantages that can occur when using other biocides such as hypochlorites and chlorine dioxide, as no harmful chlorinated residues are formed.
It is effective and harmless to the environment, 100% biodegradable and safe to handle. Therefore, it is also perfect for use on ecological farms.
The advantage of hypochlorous acid is its effectiveness, potency and capacity to be used as a natural disinfectant in different areas, being considered ideal because it has properties that make it highly effective in the area or surface to be treated (Severino, 2023).
Methods for obtaining Hypochlorous Acid
Hypochlorous Acid can be obtained through three different methods:
1. Chlorine gas hydrolysis
Chlorine gas hydrolysis consists of the application of chlorine gas directly into water.
This method is widely used in water disinfection processes for swimming pools, aqueducts and industries.
However, the uses are limited, both because of the high concentrations of chlorinated species in solution and also because of the instability of the final product (Monarca et al., 2004; Lowe et al., 2013).
2. Hypochlorite acidification
Because hypochlo...
