Degradation of organic sulfur compounds by a coal-solubilizing fungus
Conference
·
OSTI ID:431583
- Oak Ridge National Lab., TN (United States)
- Univ. of Detroit, MI (United States)
- California Polytechnic Univ., San Luis Obispo, CA (United States)
Paecilomyces sp. TLi, a coal-solubilizing fungus, was shown to degrade organic sulfur-containing coal substructure compounds. Dibenzothiophene was degraded via a sulfur-oxidizing pathway to 2,2{prime}-dihydroxybiphenyl. No further metabolism of that compound was observed. Ethyl phenyl sulfide and diphenyl sulfide were degraded to the corresponding sulfones. A variety of products were formed from dibenzyl sulfide, presumably via free radical intermediates. Diphenyl disulfide and dibenzyl disulfide were cleaved to the corresponding thiols and other single-ring products. It was concluded that degradation of organic sulfur compounds by Paecilomyces involves an oxidative attack localized at the sulfur atom.
- Research Organization:
- Oak Ridge National Lab., TN (United States); Badger Engineers, Inc., Tampa, FL (United States); Solar Energy Research Inst., Golden, CO (United States)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 431583
- Report Number(s):
- CONF-900512--
- Country of Publication:
- United States
- Language:
- English
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