Inactivation of Escherichia coli during composting process of organic wastes with sewage sludge

• Autorzy: Szala, B. , Paluszak, Z.

Warianty tytułu

PL

Inaktywacja pałeczek Escherichia coli podczas kompostowania odpadów organicznych wraz z osadem ściekowym

• Języki publikacji: EN

Abstrakty

EN

The aim of the study was to estimate the effect of the composting process in the container technology Kneer on E. coli inactivation. The bacteria placed in the special carriers were introduced into the composted material. The elimination rate of E. coli differed depending on both the carriers’ location in the biomass and the thermal conditions. The most effective hygienization of the material was noticed in summer-after 48 h in the middle layer, 6 days in the top layer and 10 days in the bottom layer. In spring and autumn, the bacteria survived the longest in the bottom layer - 83 and 45 days, respectively. Apart from the high temperature, the research points out the action of other factors such as competition, antagonism and antibiosis.

PL

Badano wpływ procesu kompostowania w kontenerowej technologii Kneer na inaktywacje pałeczek E. coli. Bakterie, w specjalnych nośnikach, wprowadzano do warstwy górnej, środkowej i dolnej kompostowanego materiału. Doświadczenia prowadzono w cyklu wiosennym, letnim i jesiennym. Tempo eliminacji pałeczek coli było zróżnicowane i zależało zarówno od usytuowania nośników w biomasie, jak i warunków cieplnych. Higienizacja materiału nastąpiła najszybciej w cyklu letnim – po 48 godz. w warstwie środkowej, 6 dniach w górnej i 10 dniach w dolnej. Wiosną i jesienią, bakterie najdłużej przeżywały w warstwie dolnej – odpowiednio 83 i 45 dni. Badania wskazują również na działanie, oprócz wysokiej temperatury, innych czynników, takich jak konkurencja, antagonizm czy antybioza.

Słowa kluczowe

PL

Escherichia coli; kompostowanie; osad ściekowy

EN

Escherichia coli; composting; sewage sludge

• Czasopismo: Archives of Environmental Protection
• Rocznik: 2010
• Tom: Vol. 36, no. 2
• Strony: 57-63
• Opis fizyczny: bibliogr. 21 poz., tab., wykr.

Twórcy

autor

Szala, B.

autor

Paluszak, Z.

• University of Technology and Life Sciences, Department of Microbiology ul. Bernardyńska 6/8, 85-029 Bydgoszcz, Poland,

Bibliografia

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