Ecological aspects of sorbents use to improve the efficiency of bioremediation on oil-contaminated lands

Elizaveta Mikhedova,
Uzorina Maria

Elizaveta Mikhedova
Institute of Physicochemical and Biological Problems in Soil Science RAS, Institutskaya str., 2, Pushchino, Moscow region 142290

Uzorina Maria
Pushchino State Institute of Natural Science (PushGENI) Nauki Av., 3, Pushchino, Moscow region, 142290.

DOI: https://doi.org/10.18273/revfue.v19n1-2021006

Published 2021-06-28

Keywords

Environment,
Bioremediation,
Oil spill,
Sorbent,
Contaminated soil,
Biodestruction,
Petroleum Industry

...

How to Cite

Mikhedova, E., & Maria, U. (2021). Ecological aspects of sorbents use to improve the efficiency of bioremediation on oil-contaminated lands. Fuentes, El reventón energético, 19(1), 65–73. https://doi.org/10.18273/revfue.v19n1-2021006

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Nowadays, polluted soils are one of the primary environmental problems. Due to a large number of oil- contaminated lands, new methods are being developed more and more actively, as well as a combination of various existing methods for disposing of oil spills. In this paper, bioremediation with the use of adsorption is considered to reduce toxicity and accelerate the processes of microbial destruction of hydrocarbons. There is a large selection of sorbents based on carbon, mineral, and natural materials. The effectiveness of a particular sorbent will vary depending on the application region, weather and climate conditions, soil type, and the type and properties of the oil. In this work, peat was tested as an organic sorbent (S1), vermiculite as a mineral sorbent (S2), and sorbent based on carbon (S3). The sorbents were added to the soils contaminated by oil, evaluating the pH, humidity, and phytotoxicity of the soils. The results showed that the soils treated with sorbents maintained the neutral pH, increased the humidity, and decreased the phytotoxicity of the soil. The sorbent efficiency was S3> S2> S1.

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