FIELD: chemistry.
SUBSTANCE: method involves adding a sorbent, microorganisms which are active towards the organic contaminant in the soil and nitrogen mineral fertiliser to the soil and then moistening. The sorbent used is glauconite rock thermally treated at 200-300°C and containing 40-90% glauconite, and the microorganisms used are a bacterial preparation in form of lyophilically dried powder with activity equal to 1-100 billion carbon-oxidising cells per gram of the preparation. The sorbent and bacterial preparation are mixed in ratio of 500-1000 g bacterial preparation per ton of sorbent.
EFFECT: shorter time for cleaning contaminated soil, while reducing sorbent consumption at the same time.
5 ex
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Authors
Dates
2011-01-27—Published
2008-12-29—Filed