FREMGANGSMAATE OG ANORDNING FOR AEROB, BIOLOGISK BEHANDLING AV SLAMHOLDIG KLOAKKVANN

摘要

Solids-liquid separation, wherein a solids-liquid mixture containing dissolved oxygen-containing gas is circulated around a circulatory system comprising a downcomer and a riser, part of the mixture in the riser being introduced into a flotation chamber in which the hydrostatic pressure gradually decreases as the mixture flows upwards, with consequent release from solution of gas bubbles which carry solid particles to the top of the mixture.