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THE USAGE OF ULTRASOUNDS TO DISINTEGRATE ESCHERICHIA COLI BACTERIA CONTAINED IN TREATED WASTEWATER

Eliza HAWRYLIK

Eliza HAWRYLIK

Faculty of Civil and Environmental Engineering, Białystok University of TechnologyBialystok, Poland
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HAWRYLIK, Eliza
  
18 oct 2019
THE USAGE OF ULTRASOUNDS TO DISINTEGRATE ESCHERICHIA COLI BACTERIA CONTAINED IN TREATED WASTEWATER's Cover Image
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Categoría del artículo: research-article
Publicado en línea: 18 oct 2019
Páginas: 131 - 136
Recibido: 30 may 2019
Aceptado: 07 ago 2019
DOI: https://doi.org/10.21307/acee-2019-043
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© 2019 Eliza HAWRYLIK et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1.

Changes in the amount of wastewater discharged in total (in thousands of dam3) in Poland [Own study based on CSO data [3]]
Changes in the amount of wastewater discharged in total (in thousands of dam3) in Poland [Own study based on CSO data [3]]

Figure 2.

Percentage changes in the number of Escherichia coli treated with ultrasound
Percentage changes in the number of Escherichia coli treated with ultrasound

Changes in the number of Escherichia coli bacteria subjected to ultrasound with increasing temperature during the process

Time of sonication [min] 20 kHz – continuous work 20 kHz – pulsating work 40 kHz
E. coli [cfu/cm3] Temperature [°C] E. coli [cfu/cm3] Temperature [°C] E. coli [cfu/cm3] Temperature [°C]
0 1.61*107 21 2.52*107 21 2.39*107 21
3 1.30*107 23 1.85* 106 23 1.66*107 22
5 3.02*106 24 1.48*106 24 1.43*107 23
7 1.66*106 25 1.40*106 25 1.62*107 23
10 1.43*106 26 1.33* 106 25 1.12*107 24
15 8.00*105 28 1.17* 106 26 1.09*107 26
20 6.10*105 29 1.03*106 27 0.75*107 28
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4 veces al año
Temas de la revista:
Arquitectura y diseño, Arquitectura, Arquitectos, edificios
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