Effects of Oil Contamination on Range of Soil Types in Middle Taiga of Western Siberia

Oleg S. Sutormin (), Andrey S. Goncharov, Valentina A. Kratasyuk, Yuliya Yu. Petrova, Ruslan Ya. Bajbulatov, Aleksandr E. Yartsov and Aleksandr A. Shpedt
Additional contact information
Oleg S. Sutormin: Institute of Nature and Technical Sciences, Surgut State University, Surgut 628412, Russia
Andrey S. Goncharov: Public Joint Stock Company “Surgutneftegas”, Surgut 628415, Russia
Valentina A. Kratasyuk: Department of Biophysics, School of Fundamental Biology and Biotechnology, Siberian Federal University, Krasnoyarsk 660041, Russia
Yuliya Yu. Petrova: Institute of Nature and Technical Sciences, Surgut State University, Surgut 628412, Russia
Ruslan Ya. Bajbulatov: Institute of Nature and Technical Sciences, Surgut State University, Surgut 628412, Russia
Aleksandr E. Yartsov: Transport, Oil and Gas Faculty, Centre for Distance Learning and Correspondence Courses, Omsk State Technical University, Omsk 644050, Russia
Aleksandr A. Shpedt: Federal Research Center ‘Krasnoyarsk Science Center, Siberian Branch of the Russian Academy of Sciences’, Krasnoyarsk 660036, Russia

Sustainability, 2024, vol. 16, issue 24, 1-14

Abstract: This study examines the effects of oil contamination on three soil types—podzolic, sod-gley, and alluvial—in Western Siberia’s middle taiga, assessing key physical and chemical properties and the influence of the surfactant Modified Syntherol (MS) on oil degradation. In controlled laboratory experiments, oil was introduced at 50, 100, and 150 g/kg concentrations. Results indicate a substantial increase in soil pH, most notably in podzolic soils, alongside a significant decline in cation exchange capacity (CEC). For example, CEC in podzolic soils dropped five-fold at higher contamination levels, reflecting a reduced ability to retain essential nutrients. The water retention capacity decreased in all soil types, with the most pronounced decline observed in alluvial soils’ capillary moisture levels. MS application did not accelerate oil degradation; even after 35 days, natural decomposition rates in untreated soils remained low (0.02–0.4%), underscoring the persistence of oil contaminants. Notably, podzolic soils showed the highest susceptibility to oil contamination due to their acidic and low-organic nature, in contrast to sod-gley and alluvial soils, which demonstrated moderate resilience. These findings highlight the need for soil-specific remediation approaches, as general methods may be ineffective for soils with differing vulnerabilities and recovery capacities. This research provides essential insights for developing effective, tailored strategies to address the environmental challenges of oil pollution, advancing sustainable soil management practices for sensitive taiga ecosystems.

Keywords: soil properties; oil contamination; petroleum hydrocarbons; soil pollution; sustainable development; surfactant (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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