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Lead and Copper Adsorption Behaviour by Lemna gibba: Kinetic and Equilibrium Studies
Copper and lead were found in sediments of Chimaliapan Lake in the State of Mexico; these elements may come from local tanneries and other industries. The sorption behaviour of lead and copper by Lemna gibba sampled from the same lake was determined. The results showed that the removal capacity for lead (about 98.9%) was higher than for copper (60%). The maximum adsorption capacities were at pH 4 and highest for Pb(II). Adsorption kinetics showed that the experimental data fitted the pseudo‐first and ‐second order models (R2 = 0.99). Equilibrium data of Pb(II) fitted best to the Langmuir model and Cu(II) data to the Langmuir and Freundlich models.
Lead and Copper Adsorption Behaviour by Lemna gibba: Kinetic and Equilibrium Studies
Copper and lead were found in sediments of Chimaliapan Lake in the State of Mexico; these elements may come from local tanneries and other industries. The sorption behaviour of lead and copper by Lemna gibba sampled from the same lake was determined. The results showed that the removal capacity for lead (about 98.9%) was higher than for copper (60%). The maximum adsorption capacities were at pH 4 and highest for Pb(II). Adsorption kinetics showed that the experimental data fitted the pseudo‐first and ‐second order models (R2 = 0.99). Equilibrium data of Pb(II) fitted best to the Langmuir model and Cu(II) data to the Langmuir and Freundlich models.
Lead and Copper Adsorption Behaviour by Lemna gibba: Kinetic and Equilibrium Studies
del Carmen Carreño‐De León, Maria (author) / Flores‐Alamo, Nicolás (author) / Solache‐Ríos, Marcos Jose (author) / De la Rosa‐Gómez, Isaias (author) / Díaz‐Campos, German (author)
2017-08-01
7 pages
Article (Journal)
Electronic Resource
English
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