Aerating apparatus for expelling volatile impurities from ground water

摘要: An aerating apparatus or aerator for expelling the impurities from ground water, especially water under an overpressure, in which are expelled by generating a partial vacuum aeration shaft vicinity of to be purified and feeding fresh air below level shaft, is closed on its upper end with pressurized receiving chamber. The chamber permits brought at pressure balancing pressure. Moreover generator producing located