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Continuous process for biocatalytic desulfurization of sulfur-bearing heterocyclic molecules
Continuous process for biocatalytic desulfurization of sulfur-bearing heterocyclic molecules
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机译:含硫杂环分子的生物催化脱硫连续过程
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摘要
A continuous cyclic process for desulfurizing a petroleum liquid which contains organic sulfur molecules, a significant portion of which are comprised of sulfur-bearing heterocycles. This process involves oxygenating the petroleum liquid and treating it with a biocatalyst capable of catalyzing the sulfur-specific oxidative cleavage of organic carbon-sulfur bonds in sulfur-bearing aromatic heterocyclic molecules such as dibenzothiophene. a particularly preferred biocatalyst is a culture of mutant Rhodococcous rhodocrous bacteria, ATCC No. 53968. In the present process, the activity of this biocatalyst is regenerated; it can be used for many cycles of treatment. A system for conducting the continuous cyclic process of biocatalytic desulfurization of petroleum liquids is also disclosed.
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