FIELD: oil industry.
SUBSTANCE: invention relates to the field of environmental protection, in particular to technological processes of utilization of oil-containing wastes, and can be used in industry related to storage, transportation and processing of oil and oil products. As a result, simplification, reduced cost of the process of reducing oil-containing soil with separation of hydrophilic soil with given pH values is carried out by adding calcium oxide, and as an acid agent - used sulphuric acid etching solutions UES, containing sulphuric acid and iron (II) sulphate, with following ratio of components: Oil:CaO:UES = 1:1.0:(10–15).
EFFECT: creation of effective, easy-to-process and cheap method of oil-containing soil recovery with production of environmentally safe product.
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