In this paper

the extractive solution of corn cob ash is used as activator instead of the traditional chemical activator for pyrolysis sewage treatment plant sludge to make adsorption of carbon materials We determine the best preparation conditions of the sample by the indicators such as the penetration time of H2S and the adsorbing capacity of iodine and methylene blue It turns out that the material has the best deodorization efficiency

H2S penetrating time can be 145 min much higher than commercially available activated carbon’s performance as the 〖JP2〗concentration of H2S is no more than 300mg〖DK1〗·m-3 iodine adsorbing 8674mg〖DK1〗·g-1 and methylene blue 3994mg〖DK1〗·g-1 〖JP〗when the quality of sludge and the corn cod ash ratio of 1〖DK1〗∶2

the activation temperature at 600℃

15 hour accompany with N2 atmosphere Thermogravimetric analysis of excess sludge show that the formation of holes of sludge carbon material mainly occur in the range of 178℃~600℃; SEM and BET indicate that the material has rough surface developed mestopore structure， and FTIR rich oxygen containing function groups These characters are all conducive to remove and adsorb H2S 