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首页> 外文期刊>Biology Bulletin >Characteristics of Hydrocarbon Degradation by Bacteria Isolated from Drill Cuttings
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Characteristics of Hydrocarbon Degradation by Bacteria Isolated from Drill Cuttings

机译：钻屑分离细菌对烃的降解特性

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摘要

The microorganisms Bacillus circulans NSh, B. firmus OBR 1.1, B. firmus OBR 3.1, Solibacillus silvestris OBR 3.2, B. circulans OBR 3.3, Halomonas sp. OBR 1, and Erwinia rhapontici OBR 4.1, isolated from drill cuttings, were shown to be able to degrade oil, mineral oil, and diesel fuel. The B. circulans NSh and B.firmus OBR 1.1 bacteria were shown to degrade 62 and 32% of oil, respectively, in an alkaline medium (pH9) after 14 days and 42 and 22% of oil, respectively, in a saline medium (10% NaCl). Under conditions of increased ambient salinity and alkalinity, the B. circulans NSh and S. silvestris OBR 3.2 bacteria were shown efficiently to degrade petroleum hydrocarbons not only individually, but also in combination with the oil-oxidizing Dietzia maris AM3 microorganism. The efficiency of oil degradation by the consortium composed of B. circulans NSh D. maris AM3 was higher than that by monocultures.
机译：微生物圆环芽孢杆菌NSh，坚硬芽孢杆菌OBR 1.1，坚硬芽孢杆菌OBR 3.1，Silbacistil silvestris OBR 3.2，圆芽孢杆菌OBR 3.3，Haloomonas sp。从钻屑中分离出的OBR 1和Rhwinontici OBR 4.1可以降解油，矿物油和柴油。圆环芽孢杆菌NSh和B.firmus OBR 1.1细菌在14天后在碱性培养基（pH9）中分别降解62％和32％的油，在盐培养基中分别降解42％和22％的油（ 10％NaCl）。在增加环境盐度和碱度的条件下，圆环芽孢杆菌NSh和S. silvestris OBR 3.2细菌不仅可以有效降解石油烃，而且还可以与油氧化迪茨海藻AM3微生物联合降解。由马来酸假单胞菌NSh D. maris AM3组成的财团对油的降解效率高于单培养。

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