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Development and Testing of the Biosorbent Ekosorb Prepared from an Association of Oil-Oxidizing Bacteria for Cleaning Oil-Polluted Soils

Research paper by V. A. Chugunov, Z. M. Ermolenko, S. K. Jigletsova, I. I. Martovetskaya, R. I. Mironova, N. A. Zhirkova, V. P. Kholodenko

Indexed on: 01 Nov '00Published on: 01 Nov '00Published in: Applied Biochemistry and Microbiology



Abstract

A biosorbent containing an association of oil-oxidizing bacteria as the main constituent was developed, in which Lessorb, a product of moss and wood thermal processing, was used as a carrier. Xeroprotectors preserving the cell viability and oil-oxidizing activity in the biosorbent on drying and after long-term storage were selected. The use of this biosorbent for cleaning oil-polluted sod-podzol soils showed a two- to threefold cleanup rate acceleration at different pollution levels (8 and 24 l/m2), especially in the presence of a nitrogen–phosphate fertilizer. The biosorbent increased the populations of certain groups of soil microorganisms and the total soil biological activity.