Insight into copper and nickel adsorption from aqueous solutions onto carbon-coated-sand: Isotherms, kinetics, mechanisms, and cost analysis
This study investigated the use of carbon-coated-sand (CCS), as a more sustainable alternative to activated carbon (AC), for the removal of Ni2+and Cu2+ ions from an aqueous solution. The CCS was synthesized from sugar and sand without any additional binders and then activated using 0.1 M H2SO4 to f...
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| Format: | Article |
| Language: | English |
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Elsevier
2022-09-01
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| Series: | Cleaner Chemical Engineering |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2772782322000432 |
| _version_ | 1798003285598142464 |
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| author | Zainab Mahdi Ali El Hanandeh |
| author_facet | Zainab Mahdi Ali El Hanandeh |
| author_sort | Zainab Mahdi |
| collection | DOAJ |
| description | This study investigated the use of carbon-coated-sand (CCS), as a more sustainable alternative to activated carbon (AC), for the removal of Ni2+and Cu2+ ions from an aqueous solution. The CCS was synthesized from sugar and sand without any additional binders and then activated using 0.1 M H2SO4 to form the modified version called MCSS. Activation increased the specific surface area by 15-folds from 0.409 (CCS) to 6.183 (MCCS) m2/g. Multi-linear regression was applied to evaluate the adsorption capacity as a function of three independent factors: pH of the solution; contact time; and initial concentration of the adsorbate. The optimum adsorption of Cu2+ and Ni2+ was achieved at pH 6.0 for both adsorbents. Activation enhanced the adsorption capacity by 68% for Cu2+and 54% for Ni2+. The adsorption behavior under different conditions was successfully modeled using multi-linear regression with high accuracy R2 > 0.86 for CCS and R2 > 0.96 for MCCS. Cost estimation provided encouraging evidence of the cost-effectiveness of CCS and MCCS compared to activated carbon. The results obtained in this study revealed that carbon-coating is a promising greener low-cost technique for water treatment. |
| first_indexed | 2024-04-11T12:05:12Z |
| format | Article |
| id | doaj.art-54951de45cda4f5c9ab6089dd7e5f5ec |
| institution | Directory Open Access Journal |
| issn | 2772-7823 |
| language | English |
| last_indexed | 2024-04-11T12:05:12Z |
| publishDate | 2022-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Cleaner Chemical Engineering |
| spelling | doaj.art-54951de45cda4f5c9ab6089dd7e5f5ec2022-12-22T04:24:45ZengElsevierCleaner Chemical Engineering2772-78232022-09-013100045Insight into copper and nickel adsorption from aqueous solutions onto carbon-coated-sand: Isotherms, kinetics, mechanisms, and cost analysisZainab Mahdi0Ali El Hanandeh1Australian Rivers Institute, Griffith University, Nathan 4111, QLD, Australia; Corresponding author.School of Engineering and Built Environment, Griffith University, Nathan 4111, QLD, AustraliaThis study investigated the use of carbon-coated-sand (CCS), as a more sustainable alternative to activated carbon (AC), for the removal of Ni2+and Cu2+ ions from an aqueous solution. The CCS was synthesized from sugar and sand without any additional binders and then activated using 0.1 M H2SO4 to form the modified version called MCSS. Activation increased the specific surface area by 15-folds from 0.409 (CCS) to 6.183 (MCCS) m2/g. Multi-linear regression was applied to evaluate the adsorption capacity as a function of three independent factors: pH of the solution; contact time; and initial concentration of the adsorbate. The optimum adsorption of Cu2+ and Ni2+ was achieved at pH 6.0 for both adsorbents. Activation enhanced the adsorption capacity by 68% for Cu2+and 54% for Ni2+. The adsorption behavior under different conditions was successfully modeled using multi-linear regression with high accuracy R2 > 0.86 for CCS and R2 > 0.96 for MCCS. Cost estimation provided encouraging evidence of the cost-effectiveness of CCS and MCCS compared to activated carbon. The results obtained in this study revealed that carbon-coating is a promising greener low-cost technique for water treatment.http://www.sciencedirect.com/science/article/pii/S2772782322000432AdsorptionCopperCarbon-coated-sandCost analysisIsothermsNickel |
| spellingShingle | Zainab Mahdi Ali El Hanandeh Insight into copper and nickel adsorption from aqueous solutions onto carbon-coated-sand: Isotherms, kinetics, mechanisms, and cost analysis Cleaner Chemical Engineering Adsorption Copper Carbon-coated-sand Cost analysis Isotherms Nickel |
| title | Insight into copper and nickel adsorption from aqueous solutions onto carbon-coated-sand: Isotherms, kinetics, mechanisms, and cost analysis |
| title_full | Insight into copper and nickel adsorption from aqueous solutions onto carbon-coated-sand: Isotherms, kinetics, mechanisms, and cost analysis |
| title_fullStr | Insight into copper and nickel adsorption from aqueous solutions onto carbon-coated-sand: Isotherms, kinetics, mechanisms, and cost analysis |
| title_full_unstemmed | Insight into copper and nickel adsorption from aqueous solutions onto carbon-coated-sand: Isotherms, kinetics, mechanisms, and cost analysis |
| title_short | Insight into copper and nickel adsorption from aqueous solutions onto carbon-coated-sand: Isotherms, kinetics, mechanisms, and cost analysis |
| title_sort | insight into copper and nickel adsorption from aqueous solutions onto carbon coated sand isotherms kinetics mechanisms and cost analysis |
| topic | Adsorption Copper Carbon-coated-sand Cost analysis Isotherms Nickel |
| url | http://www.sciencedirect.com/science/article/pii/S2772782322000432 |
| work_keys_str_mv | AT zainabmahdi insightintocopperandnickeladsorptionfromaqueoussolutionsontocarboncoatedsandisothermskineticsmechanismsandcostanalysis AT alielhanandeh insightintocopperandnickeladsorptionfromaqueoussolutionsontocarboncoatedsandisothermskineticsmechanismsandcostanalysis |