Linear alkylbenzenes in surface sediments of an estuarine and marine environment in peninsular Malaysia

被引：16

作者：

Alkhadher, Sadeq Abdullah Abdo ^{[1
]}

Kadir, Aeslina Abdul ^{[1
]}

Zakaria, Mohamad Pauzi ^{[2
]}

Al-Gheethi, Adel ^{[1
]}

Keshavarzifard, Mehrzad ^{[3
]}

Masood, Najat ^{[4
]}

Alenezi, Khalaf Muslam ^{[4
]}

Magam, Sami Muhsen ^{[5
]}

机构：

[1] Univ Tun Hussein Onn Malaysia, Fac Civil Engn & Built Environm, MPRC, Cluster Water & Environm Engn,Civil Engn Dept, Batu Pahat 86400, Johor, Malaysia

[2] Univ Malaya, Inst Ocean & Earth Sci, Kuala Lumpur 50603, Malaysia

[3] AREEO, Iranian Fisheries Sci Res Inst, Shrimp Res Ctr, Bushehr, Iran

[4] Univ Hail, Dept Chem, Hail, Saudi Arabia

[5] Univ Putra, Fac Environm Studies, Environm Forens Res Ctr, Seri Kembangan, Malaysia

来源：

MARINE POLLUTION BULLETIN | 2020年 / 153卷

关键词：

Linear alkylbenzenes (LABs); Sediment; Indicator; I/E ratio; Sewage pollution; Malaysia; AROMATIC-HYDROCARBONS PAHS; ALKYL BENZENES LABS; PEARL RIVER DELTA; MOLECULAR MARKERS; ORGANIC POLLUTANTS; CONTINENTAL-SHELF; SEWAGE POLLUTION; COASTAL WATERS; SELANGOR RIVER; URBAN SEWAGE;

D O I：

10.1016/j.marpolbul.2020.111013

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Linear alkylbenzenes were determined in the surface sediments of Muar River and Pulau Merambong, Peninsular Malaysia. The concentrations ranged from 87.4 ng g(-1) to 188.1 ng g(-1) and from 67.4 ng g(-1) to 98.2 ng g(-1) of dry weight, respectively. The composition profiles of LABs were characterized, and sewage treatment levels were identified. The ratios of internal to external isomers (I/E ratios) of the linear alkylbenzenes in Muar River sediments ranged from 1.7 to 2.2, whereas those of Pulau Merambong sediments ranged from 1.6 to 1.7. The calculated LAB ratios indicated that the study areas received primary and secondary sewage effluents. The degradation of linear alkylbenzenes in Muar River ranged from 33% to 43%, and that in Pulau Merambong ranged from 33% to 34%. The higher degradation indices in Muar River are a sign of improvement in wastewater treatment.

引用

页数：10

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