ENVIRONMENTAL IMPACT ASSESSMENT OF DISINFECTANTS
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Abstract
Today, a wide range of disinfectants are used in the world. According to their chemical nature, they are organic and inorganic. Each of the disinfectants has its own advantages and disadvantages. In this article, we analyzed the environmental impact of five different disinfectants: sodium hypochlorite, calcium hypochlorite, bleach, chloramine and, as an alternative, a solution of ozone in water. The range of life cycle stages to be analyzed included: production/synthesis of a disinfectant, preliminary preparation of a working solution, and disinfection procedure. Each stage is characterized by a number of indicators: raw materials, energy costs, auxiliary substances, emissions, discharges, waste generation. The final comparison of the environmental impact of the selected disinfectants was carried out in the SimaPro software. The assessment results show that bleach and calcium hypochlorite have the greatest impact on the environment. The use of aqueous solutions of ozone has the least impact on the components of the natural environment.
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References
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