Dynamic adsorption characteristics of the modified activated carbon for 2,4,6-trichlorophenol

摘要

The dynamic adsorption experiment of 2,4,6-trichlorophenol (TCP) to the modified activated carbon (MAC) was studied. The experimental results show that the dynamic adsorption effect of MAC for 2,4,6-TCP is favorable, and the penetrative point is 33h, the balance point is 99h. In addition, Yoon-Nelson model can accurately predict the penetration characteristics of 2,4,6-TCP solution on the modified activated carbon column, where ln[C_i/C_0-C_i] and t keep a good linear relationship, and the correlation coefficient R2= 0.9727. Time t of 50% penetration concentration, penetration point t1, and balance point t2 calculated by Yoon-Nelson model fit with the experimental datas well.