ORIGINAL RESEARCH
Analysis of Surface Tension During Biodegradation of Hydrocarbons
E. Kaczorek 1, A. Olszanowski 1*, Z. Cybulski 2
 
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1 Poznań University of Technology, Institute of Chemical Technology and Engineering,
Pl. M.Skłodowskiej-Curie 2, 60-965 Poznań, Poland
2 Great Poland Cancer Centre, Garbary 15, 61-866 Poznań , Poland
 
Pol. J. Environ. Stud. 2005;14(2):179–183
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ABSTRACT
Biodegradation of a model mixture of hydrocarbon (dodecane and hexadecane, 1:1 w/w), as well as hydrocarbon emulsified by synthetic and natural emulsifiers, and their mixtures were analyzed in the pres-ence of Pseudomonas spp. and Bacillus spp. bacterial strains. Changes in surface tension were measured by the static and dynamic methods during biodegradation processes. During the biodegradation processes of hydrocarbon and emulsified hydrocarbon, various changes in surface tension were observed. In some systems, the initial decrease of surface tension after the addition of an emulsifier was greater after a few days of biodegradation. Decrease in the surface tension does not seem to be related to the degree of hydrocarbon biodegradation, both for the hydrocarbon and emulsified hydrocarbon systems.
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ISSN:1230-1485