The Formation and Composition of Biofilms in a Terrestrial Water Treatment System of Iron-Containing Groundwater

• Published in: Applied biochemistry and microbiology Vol. 59; no. 8; pp. 1102 - 1112
• Main Authors: Litvinenko, Z. N., Kondratyeva, L. M., Konovalova, N. S.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01-12-2023; Springer Nature B.V
• Subjects: Aeration; Biochemistry; Biofilms; Biological activity; Biomedical and Life Sciences; Disinfection; Ecology; Environmental conditions; Flow rates; Groundwater; Groundwater flow; Groundwater treatment; Iron; Irradiation; Life Sciences; Medical Microbiology; Microbiology; Microorganisms; Organoleptic properties; Ultraviolet radiation; Water treatment; water treatment; microstructure; stress factors; iron-bearing groundwater; biofilms
• ISSN: 0003-6838; 1608-3024
• DOI: 10.1134/S0003683823080069

This review is devoted to topical problems in the purification of iron-bearing groundwater associated with the influence of biological factors. Uncontrolled processes of activation of microbial complexes and their resistance to extreme (stressful) environmental conditions lead a decrease in the specific groundwater flow rate, intensification of biocolmatation, and deterioration of the organoleptic properties of water. As a result, these processes negatively affect the functioning of the entire water-treatment system. It has been established that the formation of biofilms in the terrestrial system of the treatment of iron-containing groundwater is due to the emergence of protective mechanisms in underground microbial consortia in response to stressful technogenic factors (aeration, UV irradiation, and disinfection).