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Thermophilic biodesulfurization and its application in oil desulfurization

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Abstract

To reduce the harm caused to the environment by fuel combustion and meet the increasingly stringent emission standards, the sulfur content of fuels should be reduced. Dibenzothiophene, benzothiophene, and their derivatives are sulfur-containing components of fuels that are difficult to desulfurize and can therefore cause great environmental damage. Biodesulfurization is a desulfurization method that has the advantage of being able to remove dibenzothiophene and its derivatives removed easily under conditions that are relatively mild when compared with hydrodesulfurization. This paper introduces the advantages of thermophilic biodesulfurization compared with mesophilic biodesulfurization; analyzes the desulfurization mechanism, including the desulfurization pathways and enzymic systems of desulfurization bacteria; and discusses the application of biodesulfurization in oil desulfurization. The main problems existing in biodesulfurization and possible solutions are also analyzed in this paper. Biological desulfurization is a promising method for desulfurization; accordingly, more studies investigating biodesulfurization of actual oil are needed to enable the industrialized application of biodesulfurization.

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Funding

This study was funded by the Fundamental Research Funds for the Central Universities (No. 16CX06008A). We would like to thank LetPub (www.letpub.com) for providing linguistic assistance during the preparation of this manuscript.

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Correspondence to Chaocheng Zhao.

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The authors declare that they have no conflict of interest.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Chen, S., Zhao, C., Liu, Q. et al. Thermophilic biodesulfurization and its application in oil desulfurization. Appl Microbiol Biotechnol 102, 9089–9103 (2018). https://doi.org/10.1007/s00253-018-9342-5

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  • DOI: https://doi.org/10.1007/s00253-018-9342-5

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