METHOD FOR BIOLOGICAL RECULTIVATION OF SANDY SOILS CONTAMINATED WITH DRILLING FLUID SEWAGE IN DESERT AND NEAR DESERT ZONES Russian patent published in 1998 - IPC

Abstract RU 2113094 C1

FIELD: environment control, in particular, oil industry and agriculture. SUBSTANCE: method involves staged recultivation of sandy soils contaminated with drilling fluid sewage to different extent (low, average and high contamination extent) for 3 years; during the first year, cultivating soil by ripping for 22-25 cm depth with following chiseling for the same depth and applying chemical ameliorants; during the second year, carrying out phytoreclamative practice such as planting of bushes and semishrubs; during the third year, planting bushes, semishrubs and seeding grasses. At the first year stage, sorbents are applied to soil surface prior to ripping with following ripping for 25-27 cm depth and soil washing by sprinkling. EFFECT: increased efficiency in environmental control and simplified method. 3 cl, 1 tbl

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RU 2 113 094 C1

Authors

Sevost'Janov Valerij Vladimirovich

Dates

1998-06-20Published

1996-01-05Filed