FIELD: chemistry.
SUBSTANCE: invention relates to biotechnology and methods of cleaning salty and fresh water from petroleum and petroleum products. The method involves addition to contaminated water of a microbial preparation which consists of a mixture of natural hydrocarbon-oxidising cultures of microorganisms, which are isolated through selection from a natural biocenosis of microorganisms, where the preparation used is based on a biocenosis of microorganisms inhabiting sea brown algae of at least one genus.
EFFECT: invention increases the rate and efficiency of cleaning water from petroleum and petroleum products even with high salt concentration and relatively low temperature, including in regions with a short warm period.
2 cl, 10 ex
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