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首页> 外文期刊>Canadian Journal of Pure and Applied Sciences >BASELINE MONITORING DATA OF VOLATILE ORGANIC COMPOUNDS (VOCs) IN TAKE LAGOS STATE, SOUTHWESTERN - NIGERIA
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BASELINE MONITORING DATA OF VOLATILE ORGANIC COMPOUNDS (VOCs) IN TAKE LAGOS STATE, SOUTHWESTERN - NIGERIA

机译：西南拉各斯州挥发性有机化合物（VOC）的基线监测数据-尼日利亚

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摘要

The present study investigated volatile organic compounds pollution based on the principles of dilution, diffusion and dispersion in a rural fishing community of Take, Lagos state Southwestern, Nigeria. The air samples were collected by passive sampler (ORSA 5). The air samplers were exposed to a height of 1.5-2.0 m and sampling was carried out four times a month for a period of 12 months. The adsorbed VOCs were desorbed with carbondisulphide (CS 2 ) and the solution analysed using Gas Chromatography (GC) fitted with Flame Ionization Detector (FID). The results from analysis of the air samples collected showed that twenty (26) VOCs were captured in Take area. The VOCs were classified thus: aromatics 43%, halogenated 28%, esters 4%, ketones 13%, alcohols 6%, ethers 6%. There is a significant difference (P value < 0.05) between the levels of VOCs in Take area. The meteorological parameters showed significant correlations with the ambient concentrations of VOCs. The principal component analysis revealed that the major sources of VOCs in Take areas are mainly Anthropogenic and three (3) factors were identified as sources of VOCs in the studied area with emissions from the waste dump dominating.
机译：本研究基于稀释，扩散和扩散原理，在尼日利亚拉各斯州西南部的Take乡村捕捞社区中研究了挥发性有机化合物的污染。空气样本由被动采样器（ORSA 5）收集。空气采样器暴露在1.5-2.0 m的高度，每月进行四次采样，持续12个月。用二硫化碳（CS 2）解吸吸附的VOC，并使用配备有火焰电离检测器（FID）的气相色谱仪（GC）分析溶液。对收集到的空气样本进行分析的结果表明，在Take区域捕获了二十（26）个VOC。因此，VOC的分类为：芳烃43％，卤代28％，酯4％，酮13％，醇6％，醚6％。取食区的挥发性有机化合物含量之间存在显着差异（P值<0.05）。气象参数显示与挥发性有机化合物的环境浓度显着相关。主成分分析显示，在Take地区，VOC的主要来源主要是人为的，在研究区域中，三（3）个因素被确定为VOC的来源，废物堆的排放量占主导。

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