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Effective carbonaceous desiccated coconut waste adsorbent for application of heavy metal uptakes by adsorption: Equilibrium, kinetic and thermodynamics analysis

The char desiccated coconut adsorbent (DCWC) is prepared through a facile carbonization method in an open-air muffle furnace. The characterization analyses of the adsorbents show that the carbonized adsorbent has more significant pore structure, higher surface area and higher composition of elementa...

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Main Authors: Abdul Rahim, A.R., Mohsin, H.M., Thanabalan, M., Rabat, N.E., Saman, N., Mat, H., Johari, K.
Format: Article
Published: Elsevier Ltd 2020
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85092457861&doi=10.1016%2fj.biombioe.2020.105805&partnerID=40&md5=ed935d178ec8d2acf6803b0fc6d9f1f7
http://eprints.utp.edu.my/29777/
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spelling my.utp.eprints.297772022-03-29T02:50:10Z Effective carbonaceous desiccated coconut waste adsorbent for application of heavy metal uptakes by adsorption: Equilibrium, kinetic and thermodynamics analysis Abdul Rahim, A.R. Mohsin, H.M. Thanabalan, M. Rabat, N.E. Saman, N. Mat, H. Johari, K. The char desiccated coconut adsorbent (DCWC) is prepared through a facile carbonization method in an open-air muffle furnace. The characterization analyses of the adsorbents show that the carbonized adsorbent has more significant pore structure, higher surface area and higher composition of elemental carbon all while retaining the same functional group as the pristine adsorbent. Among the carbonized adsorbent, surface area of DCWC500 is 134.640 m2/g, the highest among the carbonized adsorbent i.e. DCWC400 and DCWC300. The carbonization of the desiccated coconut waste materials resulted in higher adsorption capacity of the adsorbent where the recorded maximum monolayer capacity was 2.65 and 3.51 mmol/g for DCWP and DCWC500, respectively. The adsorptive uptake of Pb(II) by the adsorbents follows Langmuir isotherm and pseudo-second order kinetic model which indicates the process follows favourable monolayer adsorption process governed by chemical adsorption. Both DCWP and DCWC500 adsorbents are regenerable up to five (5) adsorption-desorption cycles of Pb(II) with the ability to retain Pb(II) removal above 85. In respect to its application for Pb(II) removal in wastewater, both DCWP and DCWC performed a highly effective Pb(II) removal which indicate that the adsorbents are potential as an efficient and cost-friendly adsorbent alternatives for industrial application. © 2020 Elsevier Ltd 2020 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85092457861&doi=10.1016%2fj.biombioe.2020.105805&partnerID=40&md5=ed935d178ec8d2acf6803b0fc6d9f1f7 Abdul Rahim, A.R. and Mohsin, H.M. and Thanabalan, M. and Rabat, N.E. and Saman, N. and Mat, H. and Johari, K. (2020) Effective carbonaceous desiccated coconut waste adsorbent for application of heavy metal uptakes by adsorption: Equilibrium, kinetic and thermodynamics analysis. Biomass and Bioenergy, 142 . http://eprints.utp.edu.my/29777/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description The char desiccated coconut adsorbent (DCWC) is prepared through a facile carbonization method in an open-air muffle furnace. The characterization analyses of the adsorbents show that the carbonized adsorbent has more significant pore structure, higher surface area and higher composition of elemental carbon all while retaining the same functional group as the pristine adsorbent. Among the carbonized adsorbent, surface area of DCWC500 is 134.640 m2/g, the highest among the carbonized adsorbent i.e. DCWC400 and DCWC300. The carbonization of the desiccated coconut waste materials resulted in higher adsorption capacity of the adsorbent where the recorded maximum monolayer capacity was 2.65 and 3.51 mmol/g for DCWP and DCWC500, respectively. The adsorptive uptake of Pb(II) by the adsorbents follows Langmuir isotherm and pseudo-second order kinetic model which indicates the process follows favourable monolayer adsorption process governed by chemical adsorption. Both DCWP and DCWC500 adsorbents are regenerable up to five (5) adsorption-desorption cycles of Pb(II) with the ability to retain Pb(II) removal above 85. In respect to its application for Pb(II) removal in wastewater, both DCWP and DCWC performed a highly effective Pb(II) removal which indicate that the adsorbents are potential as an efficient and cost-friendly adsorbent alternatives for industrial application. © 2020
format Article
author Abdul Rahim, A.R.
Mohsin, H.M.
Thanabalan, M.
Rabat, N.E.
Saman, N.
Mat, H.
Johari, K.
spellingShingle Abdul Rahim, A.R.
Mohsin, H.M.
Thanabalan, M.
Rabat, N.E.
Saman, N.
Mat, H.
Johari, K.
Effective carbonaceous desiccated coconut waste adsorbent for application of heavy metal uptakes by adsorption: Equilibrium, kinetic and thermodynamics analysis
author_facet Abdul Rahim, A.R.
Mohsin, H.M.
Thanabalan, M.
Rabat, N.E.
Saman, N.
Mat, H.
Johari, K.
author_sort Abdul Rahim, A.R.
title Effective carbonaceous desiccated coconut waste adsorbent for application of heavy metal uptakes by adsorption: Equilibrium, kinetic and thermodynamics analysis
title_short Effective carbonaceous desiccated coconut waste adsorbent for application of heavy metal uptakes by adsorption: Equilibrium, kinetic and thermodynamics analysis
title_full Effective carbonaceous desiccated coconut waste adsorbent for application of heavy metal uptakes by adsorption: Equilibrium, kinetic and thermodynamics analysis
title_fullStr Effective carbonaceous desiccated coconut waste adsorbent for application of heavy metal uptakes by adsorption: Equilibrium, kinetic and thermodynamics analysis
title_full_unstemmed Effective carbonaceous desiccated coconut waste adsorbent for application of heavy metal uptakes by adsorption: Equilibrium, kinetic and thermodynamics analysis
title_sort effective carbonaceous desiccated coconut waste adsorbent for application of heavy metal uptakes by adsorption: equilibrium, kinetic and thermodynamics analysis
publisher Elsevier Ltd
publishDate 2020
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85092457861&doi=10.1016%2fj.biombioe.2020.105805&partnerID=40&md5=ed935d178ec8d2acf6803b0fc6d9f1f7
http://eprints.utp.edu.my/29777/
_version_ 1738657014022668288
score 13.211869

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