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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Microcalorimetric study of bacterial degradation of oil and its products
 Bola, Tomáš ; Benešová, Pavla (referee) ; Krouská, Jitka (advisor)
This bachelor thesis deals with a study of the oil degradation as one of the possible products of petroleum using bacterial stems Pseudomonas Putida a Pseudomonas Chlororaphis. The work is motivated by the research of usability of a method which has not been used for those purposes so far – calorimetric analysis. Using IČ spektrometry (ATR), calorimetry and UV-VIS spectrometry was studied a degree and a character of interactions. Calorimetric analysis showed that the Pseudomonas Putida has bigger abbility of the degradability than Pseudomonas Chlororaphis. There was also detected that the optimal concentration for more effective degradation of oil fuel is 5 g/l and 20 g/l. By measurement of the absorbance deppending on time was verified that the bigger is the concentration of the sample, the higher is the resulted absorbance. Using UV-VIS analysis was determined a quantity of biomass. Using IČ spectometry in the ATR mode (reduced reflectance) was detected structure of the sample and also verified that the bacterial cultures Pseudomonas Putida and Chlororaphis degradated entire amount of petroleum.
Detailed record
Microcalorimetric study of bacterial degradation of oil and its products
 Bola, Tomáš ; Benešová, Pavla (referee) ; Krouská, Jitka (advisor)
This bachelor thesis deals with a study of the oil degradation as one of the possible products of petroleum using bacterial stems Pseudomonas Putida a Pseudomonas Chlororaphis. The work is motivated by the research of usability of a method which has not been used for those purposes so far – calorimetric analysis. Using IČ spektrometry (ATR), calorimetry and UV-VIS spectrometry was studied a degree and a character of interactions. Calorimetric analysis showed that the Pseudomonas Putida has bigger abbility of the degradability than Pseudomonas Chlororaphis. There was also detected that the optimal concentration for more effective degradation of oil fuel is 5 g/l and 20 g/l. By measurement of the absorbance deppending on time was verified that the bigger is the concentration of the sample, the higher is the resulted absorbance. Using UV-VIS analysis was determined a quantity of biomass. Using IČ spectometry in the ATR mode (reduced reflectance) was detected structure of the sample and also verified that the bacterial cultures Pseudomonas Putida and Chlororaphis degradated entire amount of petroleum.
Detailed record

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