Modeling the Removal of Reactive Red 120 on Pistachio Husk

被引:25
作者
Celekli, Abuzer [1 ]
Yavuzatmaca, Mehmet [2 ]
Bozkurt, Hueseyin [3 ]
机构
[1] Univ Gaziantep, Dept Biol, Fac Art & Sci, TR-27310 Gaziantep, Turkey
[2] Univ Abant Izzet, Dept Biol, Fac Art & Sci, Baysal, Bolu, Turkey
[3] Univ Gaziantep, Dept Food Engn, Fac Engn, TR-27310 Gaziantep, Turkey
关键词
Adsorption; Kinetics; Logistic; Modeling; Pistachio husk; AQUEOUS-SOLUTION; METHYLENE-BLUE; HEAVY-METALS; DYE; BIOSORPTION; ADSORPTION; ASH; EQUILIBRIUM; PARAMETERS; ADSORBENT;
D O I
10.1002/clen.200900197
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In this study, the adsorption of reactive red 120 (RR 120) on pistachio husk, and the modeling of the adsorption was investigated. Characterization of the pistachio husk was confirmed by Fourier transform infrared spectroscopy. The pH(zpc) of pistachio husk was found to be pH 8.5. Increasing the initial pH value decreased (p < 0.01) the amount of dye adsorbed. However, increasing the initial dye concentration from 50 to 900 mg/L, at pH I increased (p < 0.01) the equilibrium dye uptake from 20.83 to 182.10 mg/g. Results indicated that this adsorbent had great potential for the removal of RR 120 dye. The logistic model was found to be the most suitable of the kinetic and equilibrium models tested to describe the adsorption of the dye. The parameters determined from the logistic model were well correlated with the initial dye concentration, and were seen to increase with the increasing initial dye concentration, but this was not observed from pseudo-second order kinetics.
引用
收藏
页码:173 / 180
页数:8
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