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1.As the kinetic data are fitted well by pseudo-second-order model, it can be said the adsorption mechanism is due to chemisorption. However the value of enthalpy (¦¤H) (table 3£¬¦¤H=-2.3KJ.mol-1) indicates that it is due to physisorption? Would the author please explain it? 2.The authors fitted the experimental data with pseudo-first-order and pseudo-second-order model. Can the authors explain what the significance is and why the adsorption of hydroquinol followed the pseudo-second-order model? Please give the physical meaning for the adsorption of hydroquinol of this present work. ÇóÔõô»Ø´ð [ Last edited by avast2009 on 2012-1-7 at 10:56 ] |
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