Mechanism and application of the enhanced mass-transfer in aerobic treatment process

The technology of enhanced mass\|transfer process in a traditional aerobic wastewater treatment and its mechanism were investigated on the basis of inertia effect.Improving traditional process aerating evenness and controlling the centrifugal inertia effect of tiny vortex of multiphase would contribute to the mass transfer and the alternative of interface,then the efficiency of biochemical reaction was improved and the process was shortened observably. The research showed that a rate of 48% of oxygen utilization was achieved and a COD loading of 8 1—9 0?kg COD/(m\+3·h) was received in the enhanced mass\|transfer process.Furthermore,a full scale process was carried out to treat slaughterhouse wastewater with the vapor\|liquid ratio of 12∶1,HRT 4?h and COD loading 8 0—9 0?kg/(m\+3·d) the result showed that the removal rate of COD,BOD\-5 and SS reached to 95%,97% and 95% respectively.