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Microbiological Analysis of Wastewater, Fruit Juices, Determination of Microbial Sizes, Diagnostics and Filtration of Microorganisms

https://doi.org/10.52340/gs.2025.07.04.25

water fruit juices microbiology diagnostics ultrafiltration

Authors

George Bibileishvili Georgian Technical University , Georgia https://orcid.org/0009-0003-7712-2436
Manana Mamulashvili Georgian Technical University , Georgia https://orcid.org/0009-0001-3982-5515
Elene Kakabadze Georgian Technical University , Georgia
Liana Ebanoidze Georgian Technical University , Georgia
Nona Butkhuzi Georgian Technical University , Georgia
Ia Gogiberidze Georgian Technical University , Georgia

Vol. 7 No. 4 (2025)

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Published November 28, 2025

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The paper studies the microbiology of water and apple juice from the Mtkvari River. Various types of bacteria (Escherichia coli, Enterococcus Faecalis, Pseudomonas aeruginosa) were found in the water, which indicates the pollution of the Mtkvari River, while the study of apple juice revealed bacterial (Bacillus subtilis, Lactobacillus spp,) microflora, and the sizes of the microbes were determined. The reliability of ultrafiltration, which completely removes contaminants, improves the quality of water and fruit juice, has been established.

Bibileishvili, G., Mamulashvili, M., Kakabadze, E., Ebanoidze, L., Butkhuzi, N., & Gogiberidze, I. (2025). Microbiological Analysis of Wastewater, Fruit Juices, Determination of Microbial Sizes, Diagnostics and Filtration of Microorganisms. Georgian Scientists, 7(4), 440–443. https://doi.org/10.52340/gs.2025.07.04.25

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George Bibileishvili, Georgian Technical University

Doctor of Chemical and Biological Engineering, Chief Scientist

Engineering Institute of Membrane technologies of Georgian Technical University

Manana Mamulashvili, Georgian Technical University

Doctor of Chemical and Biological Engineering, Senior Research Scientist

Engineering Institute of Membrane technologies of Georgian Technical University

Elene Kakabadze, Georgian Technical University

Engineering Institute of Membrane technologies of Georgian Technical University

Liana Ebanoidze, Georgian Technical University

Engineering Institute of Membrane technologies of Georgian Technical University

Nona Butkhuzi, Georgian Technical University

Engineering Institute of Membrane technologies of Georgian Technical University

Ia Gogiberidze, Georgian Technical University

Engineering Institute of Membrane technologies of Georgian Technical University

Bibileishvili G.V., Mamulashvili M.A., Javashvili Z.D., Kakabadze E.G. Microbiological study of natural fresh waters treated with ultrafiltration membranes. Georgian Engineering News Vol.93 №2 2021 pp. 113-114

Bibileishvili G.V., Mamulashvili M.A., Javashvili Z.D., Butkhuzi T.G. Microbiological study of Black Sea water and application of ultrafiltration method to provide Georgian resort zone with ecologically clean water. Georgian Engineering News Vol. 93 №2 2021 pp. 115-117

Manana Mamulashvili1, Giorgi Bibileishvili2, Zaza Javashvili3, Tinatin Butkhuzi4,

Elene Kakabadze5 Determination of morphological and tinctorial characteristics of microorganisms in wine and water. Georgian Scientists Vol.7 No.2 https://doi.org/10.52340/gs.2025.07.02.59 pp. 648-651

Georgian National Environment Agency – Water Quality Reports (2023).

ISO 5667-1 Water quality - Water sampling guide.

ISO 9308-1 (2014). Water quality Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora

G. Bibileishvili, N. Gogesashvili, M. Kezherashvili, L. Kuparadze, M. Mamulashvili, L. Ebanoidze Micro- and ultrafiltration processing of water and fruit juices. Collection of abstracts of the International Conference "Chemistry - Achievements and Prospects" dedicated to the 90th anniversary of the birth of Academician Givi Tsintsadze GTU Tbilisi 2023

G. Bibileishvili, M. Mamulashvili M. Kezherashvili Z. Javashvili E. Kakabadze Baromembrane processing of grape and tangerine juices Georgian Chemical Journal ISSN 1512-0686 VOL.19 №1 2019 pp.91-92

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