Adsorption kinetics and equilibrium of reactive brilliant blue X-BR onto banana peelChinese Full Text
WANG Li-min;LI Ying-hua;LI Xia;College of Resource and Environmental Engineering,Jilin University of Chemical Technology;
Abstract: The adsorption removal of reactive brilliant blue X-BR from aqueous solution by banana peel was studied in a batch process.Experiments were carried out as function of adsorbent dosage,pH,contact time and initial reactive brilliant blue concentration.The adsorption isotherms were modeled with Langmuir,Freundlich and Temkin isotherms.The results indicate that it is favorable for the adsorption of reactive brilliant blue from aqueous solution by banana peel under acid conditions.The adsorption process was fast,and it reached equilibrium in 90 min contact time.The date fitted well with the Freundlich isotherms.The kinetic data were analyzed using pseudo-first-order and pseudo-second-order models.The results show that the pseudo-second-order model was the best for the adsorption reactive brilliant blue by banana peel.The intraparticle diffusion was not only rate controlling step.
- DOI：
10.13684/j.cnki.spkj.2014.05.016
- Series：
- Subject：
- Classification Code：
O647.31
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