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JSIR Vol.71 [2012] >
JSIR Vol.71(12) [December 2012] >
| Title: | The adsorption of methylene blue from aqueous solution by using waste potato peels; equilibrium and kinetic studies |
| Authors: | Öktem, Yalçýn Aþkýn
Soylu, Selda G. Pozan
Aytan, Nevin |
| Keywords: | Waste
Potato peels
Methylene blue
Adsorption
Isotherms
Kinetics |
| Issue Date: | Dec-2012 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | This study examined the adsorption of methylene blue from
aqueous solutions using waste material potato peels. After one hour, the
maximum adsorption yield in methylene blue solution was determined as 33.87
mg/g at pH 8. Among the equilibrium isotherms with two or three parameters
(Langmuir, Freundlich, Temkin, Sips, etc.) applied the acquired data, Langmuir
isotherms had the highest correlation (0.99 %) and the maximum adsorption
capacity of methylene blue was calculated as Qmax; 33.55
mg/g. In kinetic assessments, a pseudo-second order constant best defined the
rate of adsorption. It is thought that the development of adsorption depends on
the loads of various functional groups, which form adsorbent, hydroxyl and
carboxylic groups in the potato peels, play a significant role in methylene
blue adsorption. |
| Page(s): | 817-821 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-1084 (Online); 0022-4456 (Print) |
| Source: | JSIR Vol.71(12) [December 2012]
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