| 摘要 |
FIELD: biotechnology.SUBSTANCE: invention relates to a method of cleaning soil from oil and oil products. Proposed method for cleaning and reclamation of soil, contaminated with oil and oil products, includes introduction into soil a sorbent, biopreparation and earthworms, wherein sorbent used is an organic-mineral sorbent with total pore volume not less than 2.0 cm/g, average pore radius 200-2,000 nm, impregnation thereof with 0.5-1 % aqueous solution of biopreparation, introduction into soil in amount of 0.1-0.2 kg per 1 kg of soil, holding for at least three weeks, then introducing compost worms E. Fetida in an amount of not less than 10 individuals per 1 kg of soil and holding for 20 weeks at temperature not below 5 °C, for soil moisture of not less than 60 %.EFFECT: efficient cleaning of soil contaminated with oil and oil products in amount of up to 80 g/kg of soil.1 cl, 1 tbl, 10 ex |
