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Exploring the community characteristics of petroleum degrading bacteria and revealing the types of petroleum metabolites produced by degrading bacteria play an important role in solving the problem of oil pollution. In this study, the bacterial suspension was extracted from the sludge of the sewage treatment plant, and the efficient dominant bacteria were enriched and cultured by microbial screening...
This study aimed to investigate the distribution and concentration of phthalate esters (PAEs) in jianghan plain more precisely. Samples of groundwater were collected from 42 sites in Jianghan plain in January to February, 2008. Sixteen phthalate esters (PAEs) in each sample were detected using solid-phase extraction (SPE) — gas chromatography (GC) spectrometry. The results showed that there were one...
Soil and groundwater contamination by petroleum and coal tar becomes one of the urgent environmental issues concerned by more and more scientists with regards to the public health. With the induction of organic contaminants to soil and groundwater it will change the environmental conditions within the plume and hence lead to the variation of indigenous microorganisms. The article aims to investigate...
Samples of groundwater were collected from 17 sites in the Jianghan plain in July 2007. Sixteen phthalate esters (PAEs) were detected in samples collected by using solid-phase extraction (SPE)-gas chromatography (GC). The results show that there were one or several PAEs in all the samples, and the concentrations of total PAEs ranged from 80.12 to 1882.18 ng/L. Four PAEs, i.e. di-isobutyl phthalate...
Samples of groundwater, leachates, surface water and soils were collected from 22 sites in the Municipal solid waste landfill area in Wuhan, Central China. Sixteen phthalate esters (PAEs) were detected by gas chromatography (GC). The results showed that there were one or several PAEs in all the samples and the concentrations of total PAEs in groundwater, leachates, surface water, and soils were 0...
Samples of groundwater were collected from 17 sites in Jianghan plain in July, 2007. Sixteen phthalate esters (PAEs) in each sample were detected using solid-phase extraction (SPE) - gas chromatography (GC) spectrometry. The results showed that there were one or several PAEs in all the samples and the concentrations of total PAEs ranged from 80.12 to 1882.18 ng/L. Four PAEs, i.e. di-iso-butyl phthalate...
Solid phase extraction (SPE) coupled with gas chromatography was used to determine trace phthalate esters in groundwater samples. Several important experimental parameters affecting the extraction efficiency and recovery, such as the type of extraction solvent, sample volume, mass of sorbent in the SPE cartridge and elution solvent volume were studied. Results showed that 0.5 L sample, 750 mg C18...
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