BACTERIAL STRAIN SERRATIA FICARIA B FOR OXIDATION OF PETROLEUM HYDROCARBONS AND DERIVATIVES
biotechnological methods for oil pollution removal. SUBSTANCE: bacterial strain isolated from soil polluted by petroleum derivatives is cultured for 72 h in liquid nutrient medium containing mineral salts and molasses at 28 C under aerobic conditions. Deep culture of microorganism (10%) is placed in...
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Zusammenfassung: | biotechnological methods for oil pollution removal. SUBSTANCE: bacterial strain isolated from soil polluted by petroleum derivatives is cultured for 72 h in liquid nutrient medium containing mineral salts and molasses at 28 C under aerobic conditions. Deep culture of microorganism (10%) is placed into sterile peat with mineral additives and additionally grown for 120 h at 3 C. Destructive activity of preparation containing thus grown strain with regard to petroleum hydrocarbons and derivatives at working concentration of bacteria 0.1% ranges between 87 and 97% within a wide temperature range: from 3 to 45 C, in particular between 87 and 92% at low temperature (3 C) within a wide pH range: from 4.5 to 8.0. EFFECT: enhanced oil destructive activity. 2 tbl, 2 ex |
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