SPHERICAL PHENOL RESIN ACTIVATED CARBON FOR METHANE OCCLUSION AND METHOD FOR PRODUCING THE SAME, AND METHANE OCCLUSION MATERIAL USING ACTIVATED CARBON AND METHANE OCCLUSION METHOD USING ACTIVATED CARBON

PROBLEM TO BE SOLVED: To provide activated carbon suitable for methane occlusion and method for producing the same, and to provide a methane occlusion material using the activated carbon and a methane occlusion method using the activated carbon.SOLUTION: In activated carbon, a pore volume (cm/cm) with a pore diameter of 0.72 nm or less per volume determined from a product of packing density (g/cm) at the time of filling of activated carbon and the pore volume (cm/g) with the pore diameter of 0.72 nm or less is 0.2 cm/cmor more, and a pore volume ratio of the pore volume (cm/g) with the pore diameter of 0.72 nm or less with respect to the total pore volume (cm/g) is 50% or more.SELECTED DRAWING: Figure 5 【課題】本発明はメタン吸蔵に適した活性炭、及びその製造方法、並びに該活性炭を用いたメタン吸蔵材、及び該活性炭を用いたメタン吸蔵方法を提供すること。【解決手段】本発明の活性炭は、活性炭充填時の充填密度（ｇ／ｃｍ3）と細孔径０．７２ｎｍ以下の細孔容積（ｃｍ3／ｇ）の積から求められる体積あたりの細孔径０．７２ｎｍ以下の細孔容積（ｃｍ3／ｃｍ3）が０．２ｃｍ3／ｃｍ3以上、且つ全細孔容積（ｃｍ3／ｇ）に対する前記細孔径０．７２ｎｍ以下の細孔容積（ｃｍ3／ｇ）の細孔容積比率が５０％以上である。【選択図】図５