Identification of the Causes and Its Control of Foaming in Membrane Bioreactors

膜生物反应器(MBR)技术在国内外已广泛应用于城市污水和工业废水的处理。与传统的活性污泥法相比，MBR工艺具有占地面积小、生产率和效率高、能耗低、生物质完全保留、出水水质好等优点。然而，膜污染和生物质发泡一直是膜生物反应器系统的难题，限制了其广泛应用。提高对发泡和膜污染的基本认识，将提高膜生物反应器和保存池的性能。这项拟议的研究将侧重于确定矿场(Goldcorp Inc.)运营的MBR发泡问题的原因及其控制。在安大略省西北部。拟议研究的成功将有助于解决与MBR相关的泡沫问题，不仅用于采矿现场，也用于其他工业分配，并有助于保护水环境。

Membrane bioreactor (MBR) technology has been widely used for both municipal and industrial wastewatertreatment all over the word. MBR technology has many advantages, such as a small footprint, higherproductivity and efficiency, low energy, complete retention of biomass, superior quality of effluent, ascompared to conventional activated sludge processes. However, membrane fouling and biomass foaming havebeen problematic issues associated with the MBR systems and limit its wide application. An improvedfundamental understanding of foaming and membrane fouling will enhance the performance of MBRs and savecosts. The proposed study will focus on the identification of causes and its control of foaming issues in MBRsoperated at a mining site (Goldcorp Inc.) in Northwestern Ontario. The success of the proposed study will helpsolve the foaming issues associated with MBRs used in not only the mining sites but also other industriallocations and help protect water environment.