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Zbadano wpływ zróżnicowanych dawek wapna palonego i hydratyzowanego na higienizację osadów ściekowych zawierających bakterie Salmonella enteritidis. Dawką CaO zapewniającą całkowitą eliminację tych bakterii było 220 g/kg s.m. po 24 h kontaktu, a w przypadku Ca(OH)₂ 300 g/kg s.m. po 48 h. Stosując Ca(OH)₂, oczekiwane efekty higienizacyjne można uzyskać przy niższych dawkach po wydłużeniu czasu oddziaływania.
The subject of the examination was sludge produced during mechanical and biological treatment of sewage from a municipal sewage treatment plant, meat processing plant, and a fruit and vegetable processing sewage treatment plant. The sludge samples underwent parasitological analyses 4 times: in the spring, summer autumn and winter of 2000. The number of parasite eggs was determined by Me Master method,...
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