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Preparation and characterization of poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre for the removal of Cu(II) ions from an aqueous environment

Poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre (peh-g-opefb) was successfully prepared by heating poly(methyl acrylate)-grafted opefb (pma-g-opefb) at 60 °C for 4 h with a solution of hydrazine hydrate (15% v/v) in ethanol. The Fourier transform infrared spectrum of the product shows...

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Main Authors: Johari, Ili Syazana, Yusof, Nor Azah, Haron, Md. Jelas, Mohd Nor, Siti Mariam
Format: Article
Language:English
English
Published: Multidisciplinary Digital Publishing Institute 2013
Online Access:http://psasir.upm.edu.my/id/eprint/30160/1/Preparation%20and%20characterization%20of%20poly2.pdf
http://psasir.upm.edu.my/id/eprint/30160/
http://www.mdpi.com/1420-3049/18/7
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spelling my.upm.eprints.301602015-10-05T07:16:07Z http://psasir.upm.edu.my/id/eprint/30160/ Preparation and characterization of poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre for the removal of Cu(II) ions from an aqueous environment Johari, Ili Syazana Yusof, Nor Azah Haron, Md. Jelas Mohd Nor, Siti Mariam Poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre (peh-g-opefb) was successfully prepared by heating poly(methyl acrylate)-grafted opefb (pma-g-opefb) at 60 °C for 4 h with a solution of hydrazine hydrate (15% v/v) in ethanol. The Fourier transform infrared spectrum of the product shows a secondary amine peak at 3267 cm-1, with amide carbonyl peaks at 1729 cm-1 and 1643 cm-1. The chelating ability of peh-g-opefb was tested with copper ion in aqueous solution. A batch adsorption study revealed that maximum adsorption of copper ion was achieved at pH 5. An isotherm study showed the adsorption follows a Langmuir model, with a maximum adsorption capacity of 43.48 mg g-1 at 25 °C. A kinetic study showed that the adsorption of copper ion rapidly reaches equilibrium and follows a pseudo-second-order kinetic model, with a constant rate of 7.02 × 10-1 g mg-1 min-1 at 25 °C. The Gibbs free energy, ΔG0, value is negative, indicating a spontaneous sorption process. Entropy, ΔS0, gives a positive value, indicating that the system is becoming increasingly disordered after the adsorption of copper ion. A positive enthalpy value, ΔH0, shows that the endothermic process takes place during the adsorption and is more favourable at high temperatures. Multidisciplinary Digital Publishing Institute 2013 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/30160/1/Preparation%20and%20characterization%20of%20poly2.pdf Johari, Ili Syazana and Yusof, Nor Azah and Haron, Md. Jelas and Mohd Nor, Siti Mariam (2013) Preparation and characterization of poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre for the removal of Cu(II) ions from an aqueous environment. Molecules, 18 (7). pp. 8461-8472. ISSN 1431-5157; ESSN: 1420-3049 http://www.mdpi.com/1420-3049/18/7 10.3390/molecules18078461 English
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
English
description Poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre (peh-g-opefb) was successfully prepared by heating poly(methyl acrylate)-grafted opefb (pma-g-opefb) at 60 °C for 4 h with a solution of hydrazine hydrate (15% v/v) in ethanol. The Fourier transform infrared spectrum of the product shows a secondary amine peak at 3267 cm-1, with amide carbonyl peaks at 1729 cm-1 and 1643 cm-1. The chelating ability of peh-g-opefb was tested with copper ion in aqueous solution. A batch adsorption study revealed that maximum adsorption of copper ion was achieved at pH 5. An isotherm study showed the adsorption follows a Langmuir model, with a maximum adsorption capacity of 43.48 mg g-1 at 25 °C. A kinetic study showed that the adsorption of copper ion rapidly reaches equilibrium and follows a pseudo-second-order kinetic model, with a constant rate of 7.02 × 10-1 g mg-1 min-1 at 25 °C. The Gibbs free energy, ΔG0, value is negative, indicating a spontaneous sorption process. Entropy, ΔS0, gives a positive value, indicating that the system is becoming increasingly disordered after the adsorption of copper ion. A positive enthalpy value, ΔH0, shows that the endothermic process takes place during the adsorption and is more favourable at high temperatures.
format Article
author Johari, Ili Syazana
Yusof, Nor Azah
Haron, Md. Jelas
Mohd Nor, Siti Mariam
spellingShingle Johari, Ili Syazana
Yusof, Nor Azah
Haron, Md. Jelas
Mohd Nor, Siti Mariam
Preparation and characterization of poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre for the removal of Cu(II) ions from an aqueous environment
author_facet Johari, Ili Syazana
Yusof, Nor Azah
Haron, Md. Jelas
Mohd Nor, Siti Mariam
author_sort Johari, Ili Syazana
title Preparation and characterization of poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre for the removal of Cu(II) ions from an aqueous environment
title_short Preparation and characterization of poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre for the removal of Cu(II) ions from an aqueous environment
title_full Preparation and characterization of poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre for the removal of Cu(II) ions from an aqueous environment
title_fullStr Preparation and characterization of poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre for the removal of Cu(II) ions from an aqueous environment
title_full_unstemmed Preparation and characterization of poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre for the removal of Cu(II) ions from an aqueous environment
title_sort preparation and characterization of poly(ethyl hydrazide)-grafted oil palm empty fruit bunch fibre for the removal of cu(ii) ions from an aqueous environment
publisher Multidisciplinary Digital Publishing Institute
publishDate 2013
url http://psasir.upm.edu.my/id/eprint/30160/1/Preparation%20and%20characterization%20of%20poly2.pdf
http://psasir.upm.edu.my/id/eprint/30160/
http://www.mdpi.com/1420-3049/18/7
_version_ 1643829975422337024
score 13.211869

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