Reduction of bacteria in storage system of sewage effluents

The present work is aimed to investigate the linear regression model of total coliform (TC), faecal coliform (FC) and enterococci (ENT) responses in the storage system of sewage effluents at different temperatures (room temperature 25 ± 2 °C, 55 and 65 °C). Five litres (v/v) of sewage effluent sampl...

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Main Authors: Abduh Algheethi, Adel Ali Saeed, Mohamed, R. M., Efaq, A. N., Norli, I., Adib, M. R., Amir, H. M. K.
Format: Article
Language:English
Published: Springer 2017
Subjects:
Online Access:http://eprints.uthm.edu.my/5601/
http://eprints.uthm.edu.my/5601/1/AJ%202017%20%28820%29.pdf
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author Abduh Algheethi, Adel Ali Saeed
Mohamed, R. M.
Efaq, A. N.
Norli, I.
Adib, M. R.
Amir, H. M. K.
author_facet Abduh Algheethi, Adel Ali Saeed
Mohamed, R. M.
Efaq, A. N.
Norli, I.
Adib, M. R.
Amir, H. M. K.
author_sort Abduh Algheethi, Adel Ali Saeed
building UTHM Institutional Repository
collection Online Access
description The present work is aimed to investigate the linear regression model of total coliform (TC), faecal coliform (FC) and enterococci (ENT) responses in the storage system of sewage effluents at different temperatures (room temperature 25 ± 2 °C, 55 and 65 °C). Five litres (v/v) of sewage effluent samples was stored at room temperature (25 ± 2 °C) for 1, 2, 3 and 4 weeks. In order to investigate the response of bacteria to the storage system at thermal conditions, the sewage samples were stored at the temperatures of 55 and 65 °C in a water bath shaker for 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110 and 120 min, respectively. The results indicated that the storage system at room temperature significantly (p < 0.01) effected the reduction of TC (33%), FC (36.6%) and ENT (47.8%). Moreover, sewage effluent met WHO guidelines after two weeks of storage period at room temperature. The storage system at 55 and 65 °C had more significant influence (p < 0.01) on TC, FC and ENT. The reductions for TC, FC and ENT were 49.6 versus 64, 47.7 versus 83.2% and 47.4 versus 57.3%, respectively. ENT (Gram-positive bacteria) exhibited more resistance to the storage system at 65 °C than TC and FC (both are Gram-negative bacteria). This might be due to the differences in the cell wall structure. It can be concluded that the storage system of sewage effluents has a significant potential for the reduction of indicator bacteria.
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spelling uthm-56012022-01-17T01:57:24Z http://eprints.uthm.edu.my/5601/ Reduction of bacteria in storage system of sewage effluents Abduh Algheethi, Adel Ali Saeed Mohamed, R. M. Efaq, A. N. Norli, I. Adib, M. R. Amir, H. M. K. TD Environmental technology. Sanitary engineering TD511-780 Sewage collection and disposal systems. Sewerage The present work is aimed to investigate the linear regression model of total coliform (TC), faecal coliform (FC) and enterococci (ENT) responses in the storage system of sewage effluents at different temperatures (room temperature 25 ± 2 °C, 55 and 65 °C). Five litres (v/v) of sewage effluent samples was stored at room temperature (25 ± 2 °C) for 1, 2, 3 and 4 weeks. In order to investigate the response of bacteria to the storage system at thermal conditions, the sewage samples were stored at the temperatures of 55 and 65 °C in a water bath shaker for 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110 and 120 min, respectively. The results indicated that the storage system at room temperature significantly (p < 0.01) effected the reduction of TC (33%), FC (36.6%) and ENT (47.8%). Moreover, sewage effluent met WHO guidelines after two weeks of storage period at room temperature. The storage system at 55 and 65 °C had more significant influence (p < 0.01) on TC, FC and ENT. The reductions for TC, FC and ENT were 49.6 versus 64, 47.7 versus 83.2% and 47.4 versus 57.3%, respectively. ENT (Gram-positive bacteria) exhibited more resistance to the storage system at 65 °C than TC and FC (both are Gram-negative bacteria). This might be due to the differences in the cell wall structure. It can be concluded that the storage system of sewage effluents has a significant potential for the reduction of indicator bacteria. Springer 2017 Article PeerReviewed text en http://eprints.uthm.edu.my/5601/1/AJ%202017%20%28820%29.pdf Abduh Algheethi, Adel Ali Saeed and Mohamed, R. M. and Efaq, A. N. and Norli, I. and Adib, M. R. and Amir, H. M. K. (2017) Reduction of bacteria in storage system of sewage effluents. Sustainable Water Resources Management, 3 (NIL). pp. 193-203. ISSN 2363-5037 https://dx.doi.org/10.1007/s40899-017-0102-y
spellingShingle TD Environmental technology. Sanitary engineering
TD511-780 Sewage collection and disposal systems. Sewerage
Abduh Algheethi, Adel Ali Saeed
Mohamed, R. M.
Efaq, A. N.
Norli, I.
Adib, M. R.
Amir, H. M. K.
Reduction of bacteria in storage system of sewage effluents
title Reduction of bacteria in storage system of sewage effluents
title_full Reduction of bacteria in storage system of sewage effluents
title_fullStr Reduction of bacteria in storage system of sewage effluents
title_full_unstemmed Reduction of bacteria in storage system of sewage effluents
title_short Reduction of bacteria in storage system of sewage effluents
title_sort reduction of bacteria in storage system of sewage effluents
topic TD Environmental technology. Sanitary engineering
TD511-780 Sewage collection and disposal systems. Sewerage
url http://eprints.uthm.edu.my/5601/
http://eprints.uthm.edu.my/5601/
http://eprints.uthm.edu.my/5601/1/AJ%202017%20%28820%29.pdf