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Biodegradation of industrial waste with the application of lipolytic, proteolytic and cellulolytic bacteria

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Latala A., Wierzba S., Farbiszewska T., Polaczek B., Boniewska E.
Biotechnologia
|
2004
|
issue 3
202-212
EN
The intensive civilization growth has lead to an increase in the amount of industrial waste. One of the ways to reduce the amount of waste is biodegradation. This paper presents the process of industrial waste biodegradation with the use of lipolytic, proteolytic and cellulolytic bacteria. Due to the complex composition of the waste, the degradation of fat, protein and carbohydrates. The biodegradation was carried out with the use of both archived and field bacteria. The aforementioned strains were also used in their genetically modified forms. The examination proved that genetically modified bacteria manifested much better biodegradation capacity than unmodified strains, and that the former reduced 89-94% of fat, 90-95% of protein and 90-96% of carbohydrates after 4 weeks of examination. In the case of unmodified strains, the reduction rates were lower by a few or more percent respectively, regardless of the substrate applied. In all the variations of the examination of reduction of fat, protein and carbohydrates the count of microorganisms was growing. Also, a close dependence between the oxidation and the intensity of the processes examined was noticed.
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