Rapid Removal of Zinc(II) from Aqueous Solutions Using a Mesoporous Activated Carbon Prepared from Agricultural Waste
| dc.contributor.author | Zhang, Xiaotao | en |
| dc.contributor.author | Hao, Yinan | en |
| dc.contributor.author | Wang, Ximing | en |
| dc.contributor.author | Chen, Zhangjing | en |
| dc.contributor.department | Sustainable Biomaterials | en |
| dc.date.accessioned | 2017-09-20T18:35:43Z | en |
| dc.date.available | 2017-09-20T18:35:43Z | en |
| dc.date.issued | 2017-08-28 | en |
| dc.date.updated | 2017-09-20T18:35:43Z | en |
| dc.description.abstract | A low-cost activated carbon (XSBLAC) prepared from <i>Xanthoceras</i> <i>Sorbifolia</i> <i>Bunge</i> <i>hull</i> via chemical activation was investigated to determine its adsorption and desorption properties for zinc(II) ions from aqueous solutions. XSBLAC was characterized based on its N<sub>2</sub>-adsorption/desorption isotherm, EDX, XRD, SEM and FTIR results. An adsorption study was conducted in a series of experiments to optimize the process variables for zinc(II) removal using XSBLAC. Modeling the adsorption kinetics indicated good agreement between the experimental data and the pseudo-second-order kinetic model. The Langmuir equilibrium isotherm fit the experimental data reasonably well. The calculated enthalpy (Δ<i>H</i><sup>0</sup>), entropy (Δ<i>S</i><sup>0</sup>) and Gibbs free energy (Δ<i>G</i><sup>0</sup>) values revealed the endothermic and spontaneous nature of the adsorption process. HNO<sub>3</sub> displayed the best desorption performance. The adsorption mechanism was investigated in detail through FTIR and SEM/EDX spectroscopic analyses. The results suggested that XSBLAC is a potential biosorbent for removing zinc(II) from aqueous solutions. | en |
| dc.description.version | Published version | en |
| dc.format.mimetype | application/pdf | en |
| dc.identifier.citation | Zhang, X.; Hao, Y.; Wang, X.; Chen, Z. Rapid Removal of Zinc(II) from Aqueous Solutions Using a Mesoporous Activated Carbon Prepared from Agricultural Waste. Materials 2017, 10, 1002. | en |
| dc.identifier.doi | https://doi.org/10.3390/ma10091002 | en |
| dc.identifier.uri | http://hdl.handle.net/10919/79355 | en |
| dc.language.iso | en | en |
| dc.publisher | MDPI | en |
| dc.rights | Creative Commons Attribution 4.0 International | en |
| dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | en |
| dc.subject | activated carbon | en |
| dc.subject | adsorption | en |
| dc.subject | zinc(II) | en |
| dc.subject | desorption | en |
| dc.subject | mechanism | en |
| dc.title | Rapid Removal of Zinc(II) from Aqueous Solutions Using a Mesoporous Activated Carbon Prepared from Agricultural Waste | en |
| dc.title.serial | Materials | en |
| dc.type | Article - Refereed | en |
| dc.type.dcmitype | Text | en |