Sulfur-specific microbial desulfurization of sterically hindered analogs of dibenzothiophene
Journal Article
·
· Applied and Environmental Microbiology
OSTI ID:223594
- Exxon Research and Engineering Co., Annandale, NJ (United States)
Dibenzothiophenes (DBTs) bearing alkyl substitutions adjacent to the sulfur atom, such as 4,6-diethyidibenzothiophene (4,6-DEDBT), are referred to as sterically hindered with regard to access to the sulfur moiety. By using enrichment cultures with 4,6-DEDBT as the sole sulfur source, bacterial isolates which selectively remove sulfur from sterically hindered DBTs were obtained. The isolates were tentatively identified as Arthrobacter species. 4,6-DEDBT sulfone was shown to be an intermediate in the 4,6-DEDBT desulfurization pathway, and 2-hydroxy-3,3`-diethylbiphenyl (HDEBP) was identified as the sulfur-free end product.
- OSTI ID:
- 223594
- Journal Information:
- Applied and Environmental Microbiology, Journal Name: Applied and Environmental Microbiology Journal Issue: 12 Vol. 61; ISSN AEMIDF; ISSN 0099-2240
- Country of Publication:
- United States
- Language:
- English
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