Isolation of Microorganisms for Petroleum Desulfurization and Evaluation of Its Desulfurization Activity for Diesel Oil 


Vol. 2,  No. 1, pp. 53-59, Jun.  1996


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  Abstract

For the development of biocatalysts and processes for microbial desulfurization of petroleum, more than 60 microbial strains capable of DBT(Dibenzothiophene) degradation were isolated from oil-polluted soils through 3 months of continuous and enrichment cultures. Among them, A23-3 strain could grow on DBT as the only sulfur source, while hexadecane was not utilized as a carbon source. The rate of desulfurization by A23-3 in a DBT-glucose medium was satisfactory. The addition of yeast extract or trace metal solution accelerated the rate of desulfurization about 4.5∼6.5 times. In case of actual diesel oil treatment, the specific rate of DBT degradation was 0.045g-DBT per g-cell · hour. A number of aromatic compounds heavier than Cl4 in diesel oil were also degraded by A23-3. A23-3 strain was evaluated as a good catalyst for the production of low-sulfur, low-aromatic clean diesel oil.

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  Cite this article

[IEEE Style]

S. HY, C. JH, C. YK, C. HN, R. HW, C. KS, "Isolation of Microorganisms for Petroleum Desulfurization and Evaluation of Its Desulfurization Activity for Diesel Oil," Clean Technology, vol. 2, no. 1, pp. 53-59, 1996. DOI: .

[ACM Style]

Sohn HY, Chang JH, Chang YK, Chang HN, Ryu HW, and Cho KS. 1996. Isolation of Microorganisms for Petroleum Desulfurization and Evaluation of Its Desulfurization Activity for Diesel Oil. Clean Technology, 2, 1, (1996), 53-59. DOI: .

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

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