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Assessment of Sewage Molecular Markers: Linear Alkylbenzenes in Sediments of an Industrialized Region in Peninsular Malaysia
Abstract
In this study, the use of linear alkylbenzenes (LABs) was employed to pinpoint the sources of human activity that cause detrimental impacts on the coastal environment and river ecosystems. LABs were detected using GC–MS in sediment samples assembled from Kim Kim River (KKR) and the Port Dickson coast (PDC). To assess the significance of variations in the distribution and concentrations of LABs across the sampling sites, this study utilized several statistical techniques such as post hoc tests, LSD techniques, analysis of variance (ANOVA), and the Pearson correlation coefficient using a significance level of p < 0.05. The degradation levels of LABs and wastewater treatment were assessed in the study using internal congeners (I/E), homologs of C13 and C12, and long-to-short-chain (L/S) ratios. The results revealed that the LAB concentrations varied between 88.3 and 112 ng/g dw in KKR and 119 to 256 ng/g dw in the PDC. Most of the surveyed areas exhibited a substantial count of C13–LABs homologs that displayed a significant difference (p < 0.05). The I/E ratios ranged from 1.7 to 2.0 in KKR and from 2.0 to 4.1 in the PDC, suggesting that the effluents originated from sources associated with the physical phase and biological phase in wastewater treatment systems (WWTSs). The results revealed that the degradation of LABs varied between 34% and 38% in KKR and between 40% and 64% in the PDC. This study underscores the importance of ongoing improvements to WWTSs and emphasizes the potential of LABs as indicators for monitoring wastewater contamination.
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Authors (13)
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Sadeq Abdullah Abdo Alkhadher
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Suhaimi Suratman
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Mohamad Pauzi Zakaria
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Najat Masood
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Bartosz Szeląg
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Sami M. Magam
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Ebrahim H. H. Al-Qadami
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Tonni Agustiono Kurniawan
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Sameer A.M. Abdulrahman
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Saeed S. Albaseer
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/w15183301
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Water
no. 15,
ISSN: 2073-4441 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Alkhadher S. A. A., Al-Hazmi H., Suratman S., Zakaria M. P., Masood N., Szeląg B., Magam S. M., Al-Qadami E. H. H., Majtacz J., Kowal P., Kurniawan T. A., Abdulrahman S. A., Albaseer S. S.: Assessment of Sewage Molecular Markers: Linear Alkylbenzenes in Sediments of an Industrialized Region in Peninsular Malaysia// Water -,iss. 18 (2023), s.3301-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/w15183301
- Sources of funding:
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- Free publication
- Verified by:
- Gdańsk University of Technology
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