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Physical properties of oil-contaminated sand affected by microbial activity under aerobic conditions. / Titov, K.; Ilyin, Y.; Konosavsky, P.; Orlova, O.; Rybaltchenko, O.; Muslimov, A.; Maineult, A.

2012. Paper presented at St. Petersburg 2012 International Conference on Geosciences: Making the Most of the Earth's Resources, Saint Petersburg, Russian Federation.

Research output: Contribution to conference › Paper › peer-review

Harvard

Titov, K, Ilyin, Y, Konosavsky, P, Orlova, O, Rybaltchenko, O, Muslimov, A & Maineult, A 2012, 'Physical properties of oil-contaminated sand affected by microbial activity under aerobic conditions', Paper presented at St. Petersburg 2012 International Conference on Geosciences: Making the Most of the Earth's Resources, Saint Petersburg, Russian Federation, 2/04/12 - 5/04/12.

APA

Titov, K., Ilyin, Y., Konosavsky, P., Orlova, O., Rybaltchenko, O., Muslimov, A., & Maineult, A. (2012). Physical properties of oil-contaminated sand affected by microbial activity under aerobic conditions. Paper presented at St. Petersburg 2012 International Conference on Geosciences: Making the Most of the Earth's Resources, Saint Petersburg, Russian Federation.

Vancouver

Titov K, Ilyin Y, Konosavsky P, Orlova O, Rybaltchenko O, Muslimov A et al. Physical properties of oil-contaminated sand affected by microbial activity under aerobic conditions. 2012. Paper presented at St. Petersburg 2012 International Conference on Geosciences: Making the Most of the Earth's Resources, Saint Petersburg, Russian Federation.

Author

Titov, K. ; Ilyin, Y. ; Konosavsky, P. ; Orlova, O. ; Rybaltchenko, O. ; Muslimov, A. ; Maineult, A. / Physical properties of oil-contaminated sand affected by microbial activity under aerobic conditions. Paper presented at St. Petersburg 2012 International Conference on Geosciences: Making the Most of the Earth's Resources, Saint Petersburg, Russian Federation.

BibTeX

@conference{71dfe6f59cd343c3bf365d3618c64263,
title = "Physical properties of oil-contaminated sand affected by microbial activity under aerobic conditions",
abstract = "We present laboratory investigations of oil-contaminated sands inoculated with Pseudomonas indica, known as oil degrader, under aerobic conditions. Our results are based on the measurements of electrical parameters (resistivity, induced polarization and self-potential signals) and hydraulic conductivity. We also analyzed the moisture chemical composition and oil content in the sand, and acquired sand electron microscope images. The data revealed a decrease of oil content with time, which we relate to biodegradation. We argue that the biodegradation process leads to a decrease of the soil porosity, and to an increase of the pore water salinity. The evolution of bulk resistivity was found to be in accordance with these textural and chemical changes. We found the hydraulic conductivity to be dependent on the microbial activity: the more is sand affected by bacteria, the less is hydraulic conductivity. We show the electrokinetic coupling coefficient to be dependent on microbial activity. We show that the coefficient decreases with increase of the microbial activity.",
author = "K. Titov and Y. Ilyin and P. Konosavsky and O. Orlova and O. Rybaltchenko and A. Muslimov and A. Maineult",
year = "2012",
month = jan,
day = "1",
language = "English",
note = "St. Petersburg 2012 International Conference on Geosciences: Making the Most of the Earth's Resources ; Conference date: 02-04-2012 Through 05-04-2012",

}

RIS

TY - CONF

T1 - Physical properties of oil-contaminated sand affected by microbial activity under aerobic conditions

AU - Titov, K.

AU - Ilyin, Y.

AU - Konosavsky, P.

AU - Orlova, O.

AU - Rybaltchenko, O.

AU - Muslimov, A.

AU - Maineult, A.

PY - 2012/1/1

Y1 - 2012/1/1

N2 - We present laboratory investigations of oil-contaminated sands inoculated with Pseudomonas indica, known as oil degrader, under aerobic conditions. Our results are based on the measurements of electrical parameters (resistivity, induced polarization and self-potential signals) and hydraulic conductivity. We also analyzed the moisture chemical composition and oil content in the sand, and acquired sand electron microscope images. The data revealed a decrease of oil content with time, which we relate to biodegradation. We argue that the biodegradation process leads to a decrease of the soil porosity, and to an increase of the pore water salinity. The evolution of bulk resistivity was found to be in accordance with these textural and chemical changes. We found the hydraulic conductivity to be dependent on the microbial activity: the more is sand affected by bacteria, the less is hydraulic conductivity. We show the electrokinetic coupling coefficient to be dependent on microbial activity. We show that the coefficient decreases with increase of the microbial activity.

AB - We present laboratory investigations of oil-contaminated sands inoculated with Pseudomonas indica, known as oil degrader, under aerobic conditions. Our results are based on the measurements of electrical parameters (resistivity, induced polarization and self-potential signals) and hydraulic conductivity. We also analyzed the moisture chemical composition and oil content in the sand, and acquired sand electron microscope images. The data revealed a decrease of oil content with time, which we relate to biodegradation. We argue that the biodegradation process leads to a decrease of the soil porosity, and to an increase of the pore water salinity. The evolution of bulk resistivity was found to be in accordance with these textural and chemical changes. We found the hydraulic conductivity to be dependent on the microbial activity: the more is sand affected by bacteria, the less is hydraulic conductivity. We show the electrokinetic coupling coefficient to be dependent on microbial activity. We show that the coefficient decreases with increase of the microbial activity.

UR - http://www.scopus.com/inward/record.url?scp=84899438226&partnerID=8YFLogxK

M3 - Paper

T2 - St. Petersburg 2012 International Conference on Geosciences: Making the Most of the Earth's Resources

Y2 - 2 April 2012 through 5 April 2012

ER -

ID: 36334709