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Wyszukujesz frazę "microbiological contamination" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Methods for controlling or limiting the development of microorganisms in petroleum products
Autorzy:
Krakowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/244624.pdf
Data publikacji:
2016
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
petroleum products
microbiological contamination
microorganisms
biocides
fuel
oil
Opis:
In the article, review of the literature on the subject currently used methods of controlling or limiting the development of microorganisms in petroleum products was made. The problem of microbial contamination in petroleum products was presented, which is still valid and is becoming more common. In the article, microbiological contaminants present in petroleum products were described. In the following part of the article the various methods of combating microbial contamination in petroleum products, which include physical methods, thermal disinfection and chemical methods were presented. In due to the limited use of physical methods, the article focused on methods widely disseminated. Combating harmful microorganisms using a biocide were described, which due to their harmful effects on beneficial microorganisms and the environment are becoming more and more limited use. Because of their harmful effects on beneficial microorganisms and the environment, their use is becoming more limited. Furthermore, another method of controlling microorganisms during storage of the fuel by means of cleaners that help to eliminate the water, reducing sludge was presented. Apart from the measures to combat microorganisms and additives of cleaning properties, the simplified methods for determining the amount of microorganisms in the fuel using the kits containing the finished substrate suitable for growth of microorganisms are described. These kits allow the monitor the status of microbial petroleum products and thus help prevent many crashes. In the final part of the article authors proposed other ways to control or limit microbial growth are presented. The work conclusions were completed. The most important is that there is a need to develop effective methods of combating microbial contamination of fuels and oils by means of measures environmentally friendly.
Źródło:
Journal of KONES; 2016, 23, 3; 281-288
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Research into the effects of the effective microorganisms addition on the engine oil viscosity
Autorzy:
Krakowski, Rafał
Powiązania:
https://bibliotekanauki.pl/articles/246239.pdf
Data publikacji:
2019
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
petroleum products
oil viscosity
engine oil
microbiological contamination
effective microorganisms
Opis:
In the article, changes in the properties of oils during operation were characterized. The main reason for this is the continuous aging process of the used oil caused by the interaction of oxygen contained in the air, which reacts relatively easily with hydrocarbons and the oxidation process is accelerated just by high temperature. Then the problem of microorganisms occurring in petroleum products and their effect on the properties of oils and the operation of the internal combustion engine was presented. The next part of the article presents effective microorganisms, i.e. what they are and how they work, in particular, their composition and appropriate development conditions. In addition, some of their specific applications were briefly described. In the next part of the article, the research methodology, applied oil samples with additives of effective microorganisms, both for fresh oil and used oil were described. In addition, the measuring test stand with instrumentation and measuring device was shown. The main part of the article contains the characteristics of dynamic viscosity as a function of temperature for fresh oil and used oil compared with oils with the addition of microorganisms in liquid form and ceramic tubes. The developed graphs enabled analysis of the effect of the addition of microorganisms on oil viscosity as ecological products.
Źródło:
Journal of KONES; 2019, 26, 3; 105-112
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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