Equilibrium and Kinetic Studies on Biosorption of Iron (II) and Iron (III) Ions onto Eggshell Powder from Aqueous Solution
Volume 1, Issue 2, May 2017, Pages: 65-73
Received: Feb. 28, 2017;
Accepted: Apr. 12, 2017;
Published: Jun. 2, 2017
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Eman Aly Ashour, Chemical Engineering Department, Faculty of Engineering, Minia University, EL-Minia, Egypt
Maha Abdelbaset Tony, Advanced Materials / Solar Energy and Environmental Sustainability Laboratory, Basic Engineering Science Department, Faculty of Engineering, Minoufia University, Shbin El-koum, Minoufia, Egypt
As a consequence of modernization, industry is spread in the whole world, one of the industries that producing a wastewater as a by-product, iron and steel industry. The result is a huge amount of wastewater that contaminated with iron and steel. Biosorption techniques especially with a natural low cost adsorbent material, namely chicken eggshell is gaining an important goal for treating with a cost efficient material. This present investigation, eggshell (untreated natural eggshell and the treated one which is burned to 500°C) was applied for two types of iron removal from wastewater (Fe2+ and Fe3+). The adsorption capacity of Fe3+ and Fe2+ verified 105.4 and 165.6 mg/g, respectively within 120 minutes for the unmodified eggshell, which enhanced to 129.7 and 181.3 mg/g, respectively, for the modified eggshell. Different parameters were studied such as initial iron concentration in wastewater, agitation speed and the mass of the biosorbent. The isotherm study revealed that the data well fitted for linearized forms of Langmuir. The kinetic study followed the pseudo-second order reaction rate.
Eman Aly Ashour,
Maha Abdelbaset Tony,
Equilibrium and Kinetic Studies on Biosorption of Iron (II) and Iron (III) Ions onto Eggshell Powder from Aqueous Solution, Applied Engineering.
Vol. 1, No. 2,
2017, pp. 65-73.
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