| 摘要 |
PROBLEM TO BE SOLVED: To improve the removability of harmful materials in activated carbon by using a vessel whose iron content is equal to or below a specific value, thereby executing activation at the time of producing the activated carbon. SOLUTION: In this method for producing the activated carbon by granulating, carbonizing and activating raw coal, a raw carbonaceous material is added with titanium dioxide before the granulation, and activated in the vessel <=10% in iron content. As the material of the vessel, quartz, silicon carbide, boron carbide, zirconia, alumina, and a Ni base alloy such as monel or inconel are exemplified preferably. |
