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Biodestructive processes in oil-contaminated clayey soil

The processes of degradation of the organic matter by indigenous microflora in oil-contaminated clayed soil are investigated under laboratory conditions. Soil was sampled after the accident at the main oil pipeline. Peat and a solution of a composition containing a surfactant and a nitrogenous subst...

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Main Authors:	Strelnikova, Eugenia B., Svarovskaya, Lydia I., Russkikh, Irina V., Serebrennikova, Olga V.
Format:	Conference Proceeding
Language:	English
Subjects:	Alkanes Biodegradation Clay soils Composition Infrared spectroscopy Mass spectrometry Organic matter Peat Petroleum pipelines Soil conditions Soil contamination Soil investigations Substrates
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creator	Strelnikova, Eugenia B. Svarovskaya, Lydia I. Russkikh, Irina V. Serebrennikova, Olga V.
description	The processes of degradation of the organic matter by indigenous microflora in oil-contaminated clayed soil are investigated under laboratory conditions. Soil was sampled after the accident at the main oil pipeline. Peat and a solution of a composition containing a surfactant and a nitrogenous substrate are added to the contaminated soil to stimulate the native microflora. After biodegradation, the residual oil is extracted and examined by IR spectroscopy, GLC and chromatography-mass spectrometry. The maximum biodegradation coefficient (Ki) is determined in the oil-contaminated soil sample with the addition of the composition as a stimulating substrate. In the course of degradation by microflora stimulated by the introduction of peat and nutrient substrate, the concentration of n-alkanes decreased by 62–73%, that of aromatics—by 77–100%, cyclohexanes—by 62–86%, and oil steranes and hopans—by 47–74%.
doi_str_mv	10.1063/1.5132221
format	conference_proceeding
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source	American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list)
subjects	Alkanes Biodegradation Clay soils Composition Infrared spectroscopy Mass spectrometry Organic matter Peat Petroleum pipelines Soil conditions Soil contamination Soil investigations Substrates
title	Biodestructive processes in oil-contaminated clayey soil
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