Development of Adsorbent for Heavy Metals by Activation of the Bark
Park, C.J.;Zhang, Y.S.;Kim, W.I.(National Institute of Agricultural Science and Technology, Suwon, Republic of Korea)E-mail:[email protected] | Yang, J.E.;Ryu, K.R.(Kangwon Naitonal University, Chunchon, Republic of Korea)
The objective of this research was to develop the adsorbent for heavy metals by activating the bark sample. Barks from pine tree with diameters of 2~4 mm were activated in the muffle furnace under a high relative humidity condition at temperatures of 600~900℃. The removal efficiency of the activated bark (ACTBARK) for Cu and Cd was temperature dependent showing the order of 900℃, greater than 800℃ greater than 700℃, greater than 600℃. The critical temperature was considered to be 900℃ to become an efficient adsorbent for Cu and Cd.
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