dc.contributor.author |
Maponya, TG
|
|
dc.contributor.author |
Makgopa, K
|
|
dc.contributor.author |
Somo, TR
|
|
dc.contributor.author |
Tshwane, David M
|
|
dc.contributor.author |
Modibane, KD
|
|
dc.date.accessioned |
2023-05-12T14:11:56Z |
|
dc.date.available |
2023-05-12T14:11:56Z |
|
dc.date.issued |
2023-12 |
|
dc.identifier.citation |
Maponya, T., Makgopa, K., Somo, T., Tshwane, D.M. & Modibane, K. 2023. Highly adsorptive removal of palladium and platinum ions from wastewater using novel ethylenediamine-glutaraldehyde-grafted metal organic framework. <i>Environmental Nanotechnology, Monitoring and Management, 20.</i> http://hdl.handle.net/10204/12785 |
en_ZA |
dc.identifier.issn |
2215-1532 |
|
dc.identifier.uri |
https://doi.org/10.1016/j.enmm.2023.100805
|
|
dc.identifier.uri |
http://hdl.handle.net/10204/12785
|
|
dc.description.abstract |
Herein, a metal–organic framework (MIL-101(Cr)) was synthesized and functionalized with ethylenediamine-glutaraldehyde (ED-GA for removal of palladium (Pd2+) and platinum (Pt4+) from wastewater. The chemical structure, surface properties, morphology, and adsorption energy of the prepared materials, MIL-101(Cr) and MIL-101(Cr)/ED-GA were analyzed using several analytical techniques and density functional theory (DFT). The prepared MIL-101(Cr)/ED-GA was efficient in removing Pd2+ and Pt4+ from aqueous solution with the percentage removal reaching 95% for Pd2+ and 85% for Pt4+. Furthermore, the adsorption data demonstrated a good fit to the Langmuir isotherm model and gave the maximum adsorption capacity values of 416.17 mg g-1 for Pt4+ and and 322.6 mg g-1 for Pd2+ ions. Kinetics data obeyed a pseudo-second-order model and revealed the rapid adsorption of Pd2+ and Pt4+ ions by MIL-101(Cr)/ED-GA which reached equilibrium within 10 and 40 min, respectively. Lastly, DFT studies revealed that the adsorption of Pd2+ ions by the composite forms a more thermodynamically stable compound than adsorption of Pt4+, suggesting that the material easily interacts with Pd and high selectivity is thus expected. This was indeed confirmed by experimental selectivity test results. Owing to their high affinity for PGMs, N atoms depicted large adsorption energy values compared to other adsorption sites. The MIL-101(Cr)/ED-GA could act as an efficient and cost effective adsorbent for removal of platinum group metals from wastewater. |
en_US |
dc.format |
Abstract |
en_US |
dc.language.iso |
en |
en_US |
dc.relation.uri |
https://www.sciencedirect.com/science/article/pii/S2215153223000296?via%3Dihub |
en_US |
dc.source |
Environmental Nanotechnology, Monitoring and Management, 20 |
en_US |
dc.subject |
Adsorption |
en_US |
dc.subject |
Metal-organic framework |
en_US |
dc.subject |
Palladium |
en_US |
dc.subject |
Post-synthetic functionalization |
en_US |
dc.subject |
Wastewater treatment |
en_US |
dc.title |
Highly adsorptive removal of palladium and platinum ions from wastewater using novel ethylenediamine-glutaraldehyde-grafted metal organic framework |
en_US |
dc.type |
Article |
en_US |
dc.description.pages |
14pp |
en_US |
dc.description.note |
© 2023 Elsevier B.V. All rights reserved. Due to copyright restrictions, the attached PDF file only contains the abstract of the full text item. For access to the full text item, please consult the publisher's website: https://www.sciencedirect.com/science/article/pii/S2215153223000296?via%3Dihub |
en_US |
dc.description.cluster |
Manufacturing |
en_US |
dc.description.impactarea |
Powder Metallurgy Technologies |
en_US |
dc.identifier.apacitation |
Maponya, T., Makgopa, K., Somo, T., Tshwane, D. M., & Modibane, K. (2023). Highly adsorptive removal of palladium and platinum ions from wastewater using novel ethylenediamine-glutaraldehyde-grafted metal organic framework. <i>Environmental Nanotechnology, Monitoring and Management, 20</i>, http://hdl.handle.net/10204/12785 |
en_ZA |
dc.identifier.chicagocitation |
Maponya, TG, K Makgopa, TR Somo, David M Tshwane, and KD Modibane "Highly adsorptive removal of palladium and platinum ions from wastewater using novel ethylenediamine-glutaraldehyde-grafted metal organic framework." <i>Environmental Nanotechnology, Monitoring and Management, 20</i> (2023) http://hdl.handle.net/10204/12785 |
en_ZA |
dc.identifier.vancouvercitation |
Maponya T, Makgopa K, Somo T, Tshwane DM, Modibane K. Highly adsorptive removal of palladium and platinum ions from wastewater using novel ethylenediamine-glutaraldehyde-grafted metal organic framework. Environmental Nanotechnology, Monitoring and Management, 20. 2023; http://hdl.handle.net/10204/12785. |
en_ZA |
dc.identifier.ris |
TY - Article
AU - Maponya, TG
AU - Makgopa, K
AU - Somo, TR
AU - Tshwane, David M
AU - Modibane, KD
AB - Herein, a metal–organic framework (MIL-101(Cr)) was synthesized and functionalized with ethylenediamine-glutaraldehyde (ED-GA for removal of palladium (Pd2+) and platinum (Pt4+) from wastewater. The chemical structure, surface properties, morphology, and adsorption energy of the prepared materials, MIL-101(Cr) and MIL-101(Cr)/ED-GA were analyzed using several analytical techniques and density functional theory (DFT). The prepared MIL-101(Cr)/ED-GA was efficient in removing Pd2+ and Pt4+ from aqueous solution with the percentage removal reaching 95% for Pd2+ and 85% for Pt4+. Furthermore, the adsorption data demonstrated a good fit to the Langmuir isotherm model and gave the maximum adsorption capacity values of 416.17 mg g-1 for Pt4+ and and 322.6 mg g-1 for Pd2+ ions. Kinetics data obeyed a pseudo-second-order model and revealed the rapid adsorption of Pd2+ and Pt4+ ions by MIL-101(Cr)/ED-GA which reached equilibrium within 10 and 40 min, respectively. Lastly, DFT studies revealed that the adsorption of Pd2+ ions by the composite forms a more thermodynamically stable compound than adsorption of Pt4+, suggesting that the material easily interacts with Pd and high selectivity is thus expected. This was indeed confirmed by experimental selectivity test results. Owing to their high affinity for PGMs, N atoms depicted large adsorption energy values compared to other adsorption sites. The MIL-101(Cr)/ED-GA could act as an efficient and cost effective adsorbent for removal of platinum group metals from wastewater.
DA - 2023-12
DB - ResearchSpace
DP - CSIR
J1 - Environmental Nanotechnology, Monitoring and Management, 20
KW - Adsorption
KW - Metal-organic framework
KW - Palladium
KW - Post-synthetic functionalization
KW - Wastewater treatment
LK - https://researchspace.csir.co.za
PY - 2023
SM - 2215-1532
T1 - Highly adsorptive removal of palladium and platinum ions from wastewater using novel ethylenediamine-glutaraldehyde-grafted metal organic framework
TI - Highly adsorptive removal of palladium and platinum ions from wastewater using novel ethylenediamine-glutaraldehyde-grafted metal organic framework
UR - http://hdl.handle.net/10204/12785
ER -
|
en_ZA |
dc.identifier.worklist |
26662 |
en_US |