Process for producing adsorbent including activated carbon

Abstract

A process for producing an adsorbent comprising activated carbon, wherein the process comprises a molding step of molding an adsorbent through a plurality of stages, and wherein the molding step comprises molding in a final stage performed by tableting.

1 - 8 . (canceled) 
     
     
         9 . An adsorbent having at least one shape selected from the group consisting of a spherical shape, a cubic shape, a rectangular parallelepiped shape, a cylindrical shape, a cone shape, a truncated cone shape, a polyhedral shape, a polygonal pyramid shape, a truncated pyramid shape, a donut shape, a tubular shape, a hollow shape, and a honeycomb shape,
 wherein the adsorbent has a standard deviation of particle length of 0.03 to 0.2 wherein the particle length is a length of the adsorbent in a depth direction of a mortar in the tableting, and   the adsorbent comprises activated carbon.   
     
     
         10 . The adsorbent according to  claim 9 , wherein the adsorbent has a standard deviation of 0.02 to 0.1 for each of a minor axis and a major axis, and wherein the minor axis and major axis are the shortest length of the adsorbent and the longest length of the adsorbent, respectively, orthogonal to the particle length. 
     
     
         11 . A gas mask comprising the adsorbent according to  claim 9 . 
     
     
         12 . A solvent recovery apparatus comprising the adsorbent according to  claim 9 . 
     
     
         13 . A deodorant comprising the adsorbent according to  claim 9 . 
     
     
         14 . An automobile fuel transpiration prevention apparatus comprising the adsorbent according to  claim 9 . 
     
     
         15 . The adsorbent according to  claim 9 , wherein the adsorbent further comprises one or more raw materials selected from the group consisting of coconut shells, coal, wood, and synthetic resin. 
     
     
         16 . The adsorbent according to  claim 9 , wherein the adsorbent further comprises, as a raw material thereof, one or more binders selected from the group consisting of a carboxymethylcellulose, a methyl cellulose, a polyvinyl alcohol, a clay mineral, a bentonite, a modified acrylic acid ester copolymer, and a phenolic resin