In this study, the lignite was improved oxidizing sulfur compounds by Thiobacillus thiooxidans and Thiobacillus ferrooxidans bacteria. Experiments in the batch reactors have been carried out 20% aqueous suspension of coal samples. Sugar beet molasses was used as the bacterial substrate. The maximum removal of combustible sulfur was obtained as 78.2% under the following conditions; addition 5% of T. thiooxidans and 5% T. ferrooxidans into coal suspension, 0.2 g molasses/g coal change, pH value of 3, at shaking rate of 70 rpm and at 40°C for 5 days.
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Original Articles
Biodesulfurization of Cayirhan Lignites
Metin Gürü
Gazi University, Ankara, Turkey
, Meltem Cubuk
Gazi University, Ankara, Turkey
, Sukru Dursun
Selcuk University, Konya, Turkey
& Ayhan Demirbas
Selcuk University, Konya, Turkey
Pages 559-565
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Published online: 21 Aug 2006
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