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Przedstawiono wyniki badań charakterystyk hydraulicznych innowacyjnego reaktora rurowego z rotorami do biochemicznego oczyszczania wstępnie oczyszczonych ścieków bytowych. Dwa helikalne rotory o średnicy 34 cm i długości 2 × 140 cm wykonane były z karbowanych rurek o średnicy zewnętrznej 32 mm nawiniętych prawo- i lewoskrętnie ze skokiem 280 cm na wał o średnicy 40 mm. Rotory, obracane z prędkościami...
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