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23-09-2019
Chemistry

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why is air along with microorganisms bubbled into the sewage treatment tanks

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Аноним Аноним

23-09-2019

So that the mircrobes present could get help to perform anariobïc repiration (respiration without oxygen).....as it helpfull for decomposing the sewage waste ...also to prepare sideproduct called metane gas

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