MICROBIAL REDUCTION OF SULFUR-DIOXIDE WITH PRETREATED SEWAGE-SLUDGE AND ELEMENTAL HYDROGEN AS ELECTRON-DONORS

被引:15
作者
DESHMANE, V [1 ]
LEE, CM [1 ]
SUBLETTE, KL [1 ]
机构
[1] UNIV TULSA,CTR ENVIRONM RES & TECHNOL,600 S COLL AVE,TULSA,OK 74104
关键词
SULFUR DIOXIDE; DESULFOVIBRIO-DESULFURICANS; DESULFOTOMACULULM-ORIENTIS; FLUE-GAS DESULFURIZATION;
D O I
10.1007/BF02919032
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
It has been demonstrated that heat- and alkali-pretreated sewage sludge may serve as an electron donor and carbon source for SO2 reduction by Desulfovibrio desulfuricans. A continuous D. desulfuricans culture was operated for 6 mo with complete reduction Of SO2 to H2S. The culture required only minor amounts of mineral nutrients in addition to pretreated sewage sludge. It has also been shown that the sulfate-reducing bacterium Desulfotomaculum orientis can be grown on H2 as an energy source, CO2 as a carbon source, and SO2 as a terminal electron acceptor. Complete reduction Of SO2 to H2S was observed.
引用
收藏
页码:739 / 752
页数:14
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