PSEUDOMONAS SP. AND AEROMONAS SP. SELECTION FOR TREATMENT OF GOOSE DOWN WASHING WASTEWATER

Aleksander SLAVOV, Zapryana DENKOVA, Mima HADJIKINOVA, Nikolai MIHALKOV

Abstract

10 bacterial strains, isolated from municipal wastewater and active sludge that belong to Aeromonas sp. (3) and Pseudomonas sp. (7), were investigated. Strains were analyzed for their ability to treat pre-centrifuged and diluted in different ratios goose down washing wastewater. It is shown that Aeromonas sp. exhibit higher purification degree of goose down washing wastewater compared  to  the  strains  of  Pseudomonas  sp.  only  at  a  dilution  of  1:1,  and  the  highest  purification degree is determined for strains Aeromonas 2 and Aeromonas 2AS with 64,94% each. At a dilution of
goose down  washing  wastewater 1:5 the highest purification degree is at a strain Pseudomonas 1 –86,49%, and at a dilution of goose down washing wastewater 1:10 Pseudomonas 3AS – 87,27 %.

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