Abstract
In the model solution of dodecane investigated sorbents with immobilized microbial
 cells genus Pseudomonas (K-5-25, A-2) and Rhodococcus (EriA. 2-4m). Sorbents based
 on non-woven fabrics made of polypropylene fibers (neutral) and the acrylonitrile
 fibers containing in their structure of the group of primary and secondary amines, as
 well as on natural material of the mineral from the group of hydrous layered structure.
 The efficiency of the sorption and biocatalytic contributions to the study of the degree
 of water purification. Such self-recovering system, combining physico-chemical and
 biological removal of petroleum hydrocarbons from solutions with low concentrations
 of trace and can operate in dynamic mode. Moreover, the sorbent performs one of the
 most important functions of biological systems, providing delivery and accumulation
 of oil components from the liquid phase, immobilized cells and carry out selfregeneration
 biosorbent. Analysis of the comparative effectiveness of these processes
 with the use of a kinetic model of the results obtained on the solid-phase sorbent with
 immobilized cells and the initial sorbent without cells, allowed us to determine the
 degree of physical and chemical removal of dodecane from an aqueous emulsion and
 the degree of biodegradation, as in liquid, and in solid phase sorption material. The
 most efficient biological system has shown itself on the basis of non-woven material
 acrylonitrile, allowing up to 8 days to reduce the concentration of dodecane to the
 level of maximum permissible concentration and below.
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