Analysis of groundwater quality in shallow wells before and after disinfection with peracetic acid

Anastasova, Ankica and Nakov, Dimitar and Angjelevska, Aleksandra and Kuzelov, Aco and Ilieva, Fidanka (2024) Analysis of groundwater quality in shallow wells before and after disinfection with peracetic acid. In: Book of abstracts of the 4th International Meeting Agriscience and Practice (ASP 2024), Faculty of Agriculture, Goce Delcev University, Stip, North Macedonia.

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Abstract

Peracetic acid has garnered increasing attention as an alternative oxidant and disinfectant in water treatment due to the rising demand to reduce chlorine usage and control disinfection byproducts. The main aim of the research was to assess the well water quality before and after disinfection with peracetic acid. The water samples were taken from 5 wells in the rural areas of Probishtip and Kocani regions of North Macedonia. Sampling was conducted twice during the winter season, both before and after disinfection. Water samples from 5 private wells were analysed for physical, chemical, and microbiological parameters using referent methods. The results were compared with the quality of control water and permissible limited values according to the national legislation. Water quality parameters indicated that all well water samples failed to meet safe drinking water limits. Disinfection with 0.025% peracetic acid did not increase the groundwater quality. The paired sample t-test showed that there was no statistically significant difference in parameters for water quality before and after disinfection. These findings may be linked to permanent sources of faecal contamination in well water. In the subsequent research, the highest concentration of peracetic acid will be used to reach better results in water disinfection. Identification and management of groundwater quality are of utmost importance for maintaining freshwater resources, which is essential for sustainable development. Based on the groundwater quality in different areas, householders can allocate resources for either drinking or agricultural purposes.
Keywords (3-7 words):
well water quality, disinfection, peracetic acid

Item Type:	Conference or Workshop Item (Poster)
Subjects:	Agricultural Sciences > Other agricultural sciences
Divisions:	Faculty of Agriculture
Depositing User:	Dimitar Nakov
Date Deposited:	08 Jul 2024 07:37
Last Modified:	08 Jul 2024 07:37
URI:	https://eprints.ugd.edu.mk/id/eprint/34428

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