| abstract |
Active carbon of the invention is characterized by, and the equilibrium adsorption capacity of 1,1,1- trichloroethanes is 20mg/g or more, and pore diameter is more than And Pore volume below is 0.04cm 3 / g or more.Furthermore preparation method of the invention is characterized by, phenolic resin source object is successively subjected to following processing: phenolic fiber is carbonized, followed by activating more than once, and make any primary activation steam activation, before implementing the primary steam-activation treatment, at least one of calcium compound and potassium compound are added in the object of phenolic resin source, are maintained under addition state and are implemented the primary steam-activation treatment. |