Survey of the Petroleum hydrocarbon-degrading capacity of three bacteria strains isolated from the oil sludge in Vietnam

Nguyen Ba Huu, Vu Hong Nga, Dang Thi Cam Ha
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Authors

  • Nguyen Ba Huu VAST
  • Vu Hong Nga
  • Dang Thi Cam Ha

DOI:

https://doi.org/10.15625/0866-7160/v25n4.6859

Abstract

Three petroleum hydrocarbon-degrading bacterial strains were isolated from oil sludge of the K130 gasoline and oil storage in Northern Vietnam and designed as HK-T3F1, HK-HF6 and HK-B31. Based on the morphological, physiological characteristics and results of API 20E tests, we proposed that two strains HK-T3F1 and HK-HF6 should be placed to genus Pseudomonas. These bacterial strains grew optimally in mineral medium contained 5% fuel oil or heavy crude oil at 28-37oC, 0-0,5% NaCl and pH = 7.

The strain HK-HF6 degraded 76.25% total fuel oil, 84.04% saturated hydrocarbon fractions, 77.33% aromatic hydrocarbon fractions, 51.43% resin and 64.86% asphanten. The strain HK-B31 degraded 57.47% total fuel oil, 78.87% saturated hydrocarbon fractions, 72% aromatics hydrocarbon fractions, 22.86% resin and 24.32% asphanten. Two of three strains were utilized long chain hydrocarbons, resin and asphanten in fuel oil. Especially, the HK-B31 was utilized pristane, and long chain alkanes including hexadecane, eicosane and ocosane such as sole carbon and energy sources.

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Published

02-09-2015

How to Cite

Huu, N. B., Nga, V. H., & Cam Ha, D. T. (2015). Survey of the Petroleum hydrocarbon-degrading capacity of three bacteria strains isolated from the oil sludge in Vietnam. Academia Journal of Biology, 25(4), 62–68. https://doi.org/10.15625/0866-7160/v25n4.6859

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