Abstract：
:The effect of temperature on the adsorption of metanil yellow (MY) (acidic) and methylene blue (MB) (basic) by poplar sawdust was investigated. In addition, the amounts of NaHCO(3), Na(2)CO(3), NaOH and C(2)H(5)ONa adsorbed by 1g of poplar sawdust to determine its surface acidity were also determined. Kinetical data obtained at different temperatures (293 K, 313 K and 333 K) for the adsorption of each dyestuff by poplar sawdust were applied to the pseudo first-order, the pseudo second-order and the intraparticle diffusion equations, and the rate constants of first-order adsorption (k(1)), the rate constants of second-order adsorption (k(2)) and intraparticle diffusion rate constants (k(p)) at these temperatures were calculated, respectively. In addition, isothermal data obtained at different temperatures (293 K, 313 K and 333 K) for the adsorption of each dyestuff by poplar sawdust were applied to thermodynamical equations, and thermodynamical parameters (DeltaG, DeltaH and DeltaS) were also calculated.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Pekkuz H,Uzun I,Güzel Fdoi
10.1016/j.biortech.2007.03.014subject
Has Abstractpub_date
2008-04-01 00:00:00pages
2009-17issue
6eissn
0960-8524issn
1873-2976pii
S0960-8524(07)00246-5journal_volume
99pub_type
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