As to the porous ceramic body, the total volume of the pores having a pore radius of from 1.8 nm to 100 μm is about 0.25 cm3/g or more, {HEAD ~ the mode} of {TAIL ~ pore radius} of the pores is from about 1 μm to about 6 μm and the packing density is from about 0.7 g/cm3 to about 1 g/cm3 
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As to the porous ceramic body , the total volume of the pores having a pore radius of from 1.8 nm to 100 μm is about 0.25 cm3 / g or more , { HEAD ~ the mode } of { TAIL ~ pore radius } of the pores is from about 1 μm to about 6 μm and the packing density is from about 0.7 g / cm3 to about 1 g / cm3
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