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Filtration - Ceramic Filters

 

A ceramic filter comprising a support layer having an inner surface for forming at least one filter passage, and a filter layer coated on the inner surface of the support layer and having an inner surface functioning as a filter surface, the filter layer having a thickness of 10 to 40 microns from the filter surface, a cumulative intrusion volume of all pores in the filter layer being 0.2 cc/g or less, a cumulative intrusion volume of pores having pore diameters of 0.1 to 3.0 microns being 0.1 cc/g or more, and a cumulative intrusion volume (H) of the pores ranging within a pore diameter width (W) of 0.1 microns around a center pore diameter (PD) which is a pore diameter in case of a half of a cumulative intrusion volume (IV) at a pore diameter of 0.1 microns being 50% or more of a cumulative intrusion volume of all pores in the filter layer.

 

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