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具有孔径小于０．１８μｍ 控制层的不对称氧化铝膜分离器可用于饮用水的净化，能全部滤除水中的霉菌，杆菌及大于５０ｎｍ 的微粒子，细菌总的滤除率大于９９％ 。采用简单的机械清洗方法可使膜的渗透性能完全恢复。
An asymmetrical alumina membrane separator with a pore size of less than 0.18 μm can be used for the purification of drinking water. It can filter out all molds, bacilli, and particles larger than 50 nm in water. The total bacterial filtration rate is greater than 99%. Using a simple mechanical cleaning method can completely restore the membrane’s permeability.