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Zymogenic Bacillus sp. revealed in Aleksinac (Serbia) oil shale

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2011
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Authors
Dragutinović, Vesna
Cvetković, Olga
Vitorović, Dragomir
Article (Published version)
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Abstract
The déminéralisation experiments are aimed at preparing native sedimentary organic matter concentrates, consisting mainly of insoluble kerogen. Initial desilicification experiments of three Aleksinac (Serbia) oil shale samples were carried out with the help of Bacillus circulons J ordan. The process was followed by pH measurement and determination of the number of microorganisms. Déminéralisation efficiency was evaluated based on the ratio of SiO2, Al2O3 and Fe2O3 contents in the substrates before and after the experiments. Surprisingly, in all experiments much better desilicification was observed in control tests compared to inoculated substrates. Discovery of a zymogenic culture in all three oil shale samples explained the apparent anomaly. Based on physiological, biochemical and taxonomic characteristics, the isolated zymogenic culture was identified as Bacillus sp.
Keywords:
Bacillus sp / Bacterial desilicification / Oil shale
Source:
Journal of Environmental Protection and Ecology, 2011, 12, 1, 151-156
Projects:
  • Development of integrated management of harmful organisms in plant production in order to overcome resistance and to improve food quality and safety (RS-46008)

ISSN: 1311-5065

WoS: 000289447600019

Scopus: 2-s2.0-79955430629
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/937
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