E3S Web Conf.
Volume 10, 20161st International Conference on the Sustainable Energy and Environment Development (SEED 2016)
|Number of page(s)||4|
|Published online||17 October 2016|
Effect of soot formed in result of coal combustion with two types of solid fuel additives on soot – soil bacteria interaction – biodegradation of soot components by soil bacteria
1 Department of Plant Physiology and Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Kraków, Poland
2 Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
3 Department of Environmental Protection, State Higher Vocational School in Tarnów, Mickiewicza 8, 33-100 Tarnów, Poland
4 Silesian Environmental Doctoral Study, Plac Gwarków 1, 40-166 Katowice, Poland
a Corresponding author: firstname.lastname@example.org
During coal combustion soot formation is unwanted. There are many fuel additives used to reduce soot production. In this study toxicity and biodegradation of three types of soot by two soil bacteria strains i.e. Pseudomonas aeruginosa and Bacillus subtilis were compared. Two additives were selected to produce soot samples: (i) commonly used and containing significant quantities of NaCl (40–44%) and copper (Cu-additive), (ii) newly developed without NaCl and with triiron tetraoxide instead of copper (Feadditive). Average number of bacterial colonies was similar when soot produced during combustion without additive and with Feadditive were used. It was about 50% higher than number of colonies when soot formed with Cu-additive was applied. The soot biodegradation was tested by HS-GC-MS analysis. The highest biodegradation level (about 80%) was obtained for samples with P. aeruginosa cultures and Fe-additive soot. It can be concluded that newly developed additive does not increase toxicity of the soot to soil bacteria and will be removed more quickly from the environment.
© The Authors, published by EDP Sciences, 2016
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