Studies of the effectiveness of the use of biosorption complexes for purification of oil polluted sandy soils

Authors

  • Andriy Khokhlov Institute for Sorption and Problems of Endoecology of the National Academy of Sciences of Ukraine, 13, Generala Naumova str., Kyiv, Ukraine, 03164, Ukraine https://orcid.org/0000-0001-5340-1869
  • Maryna Titarenko Institute for Sorption and Problems of Endoecology of the National Academy of Sciences of Ukraine, 13, Generala Naumova str., Kyiv, Ukraine, 03164, Ukraine https://orcid.org/0000-0001-7232-5320
  • Lyudmila Khokhlova Institute for Sorption and Problems of Endoecology of the National Academy of Sciences of Ukraine, 13, Generala Naumova str., Kyiv, Ukraine, 03164, Ukraine https://orcid.org/0000-0002-2201-1312

DOI:

https://doi.org/10.15587/2312-8372.2018.134839

Keywords:

purification of oil-contaminated sandy soils, microorganisms-destructors of petroleum of natural origin

Abstract

The object of research is the created biosorption complex preparation for cleaning oil-contaminated sandy soils. Cleaning of soils contaminated with oil and oil products has particularities, because of the large adsorption capacity, the soil accumulates a pollutant. One of the most problematic is the method of cleaning sandy soils with poor biocenosis from old oil contamination. A promising area in the purification of soils from oil pollution is the use of microbiological technologies. The use of special microbial drugs can accelerate the oil. destructionю Existing drugs have their own peculiarities of application and disadvantages. They lose destructive activity over time and are not very effective in eliminating old oil contamination with high concentration. The biosorbent complex (biosorbent) based on the ecological matrix sorbent of light color and immobilized on its surface of active microorganisms-destructors of petroleum of natural origin makes possible to purify light sandy soils from old concentrated contaminants. The introduction of aerobic and anaerobic microorganisms into the biosorbent composition allows the biodegradation of oil both on the surface under aerobic conditions and in depth. Immobilized on the sorption material, microorganisms have a great destructive potential. Immobilization preserves the viability of microorganism cells and significantly increases the effect of their use. Optimal parameters of obtaining an oleophilic sorption matrix from various types of raw materials and obtaining microbial biomass with high destructive activity to oil hydrocarbons are established. The operational characteristics of the obtained light-colored bioactive adsorbents based on moss and glauconite, technological features and techniques for their use in the purification of sandy soils have been studied. The studies show the change in the concentration of oil contamination of sandy soil from 30–40 % to 1–5 % of oil in the process of biodegradation after 140 days. Conducted tests of light-colored biosorbent at the industrial site of the tank farm during cleaning of sandy areas with obsolete oil pollution showed a cleaning efficiency of up to 90 %.

Author Biographies

Andriy Khokhlov, Institute for Sorption and Problems of Endoecology of the National Academy of Sciences of Ukraine, 13, Generala Naumova str., Kyiv, Ukraine, 03164

PhD, Senior Researcher

Department of Ecological Chemistry

Maryna Titarenko, Institute for Sorption and Problems of Endoecology of the National Academy of Sciences of Ukraine, 13, Generala Naumova str., Kyiv, Ukraine, 03164

Junior Researcher

Department of Ecological Chemistry

Lyudmila Khokhlova, Institute for Sorption and Problems of Endoecology of the National Academy of Sciences of Ukraine, 13, Generala Naumova str., Kyiv, Ukraine, 03164

PhD, Senior Researcher

Department of Ecological Chemistry

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Published

2018-01-23

How to Cite

Khokhlov, A., Titarenko, M., & Khokhlova, L. (2018). Studies of the effectiveness of the use of biosorption complexes for purification of oil polluted sandy soils. Technology Audit and Production Reserves, 3(3(41), 16–20. https://doi.org/10.15587/2312-8372.2018.134839

Issue

Vol. 3 No. 3(41) (2018): Chemical Engineering

Section

Ecology and Environmental Technology: Original Research

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Copyright (c) 2018 Andriy Khokhlov, Maryna Titarenko, Lyudmila Khokhlova

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