INFLUENCE OF BIOSTIMULANTS ON THE MICROBIOLOGICAL STATE OF OIL-CONTAMINATED SOILS

Authors

  • I. Ablieieva Sumy State University
  • L. Pliatsuk Sumy State University
  • I. Trunova Sumy State University
  • O. Yakhnenko Sumy State University
  • І. Berezhna Sumy State University

DOI:

https://doi.org/10.31471/2415-3184-2021-1(23)-73-83

Keywords:

biotreatment, biostimulation, digestate, soil pollution, oil products, microbiological assessment

Abstract

The application of scientifically based approaches to the intensification of natural processes of self-purification of soils from petroleum products is becoming increasingly important. Bio cleaning is an effective, environmentally sound method of improving the environment. The purpose of the article is to establish patterns of changes in the sanitary-microbiological condition of the soil after oil pollution and to determine effective approaches to the intensification of natural processes of soil self-cleaning.

In the work the sanitary-bacteriological research of the oil-contaminated soil on sanitary-indicative microorganisms was carried out; assessed sanitary-microbiological condition of the studied soil samples to identify qualitative changes in ecological and trophic groups of microorganisms; the efficiency of biostimulants application for intensification of natural processes of self - purification of oil-contaminated soils is substantiated.

Methods of culture on nutrient media were used for microbiological research, the degree of soil contamination was assessed by determining the total microbial count and quantitative analysis of the main indicator microorganisms.

It was determined that soil samples after oil inflow are heavily contaminated by sanitary and bacteriological indicators. To stimulate the development of certain groups of biotransformers, it is effective to introduce special sorbents that contain a range of substances necessary to accelerate the growth of microorganisms that destroy the oil. It was found that the use of digestate of biogas plants as a biostimulator allows improving the physical and water-air properties of the soil, and acts as an effective biostimulator to increase biological activity due to the content of macronutrients.

 

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Published

2021-07-08

How to Cite

Аблєєва, І. Ю., Пляцук , Л. Д. ., Трунова , І. О. ., Яхненко , О. М. ., & Бережна , І. О. . (2021). INFLUENCE OF BIOSTIMULANTS ON THE MICROBIOLOGICAL STATE OF OIL-CONTAMINATED SOILS. Ecological Safety and Balanced Use of Resources, (1(23), 73–83. https://doi.org/10.31471/2415-3184-2021-1(23)-73-83

Issue

Section

ENVIRONMENTAL PROTECTION TECHNOLOGIES