Copper/Nickel-Decorated Olive Pit Biochar: One Pot Solid State Synthesis for Environmental Remediation
Developing micro- and nanomaterials for environmental pollution remediation is currently a pertinent topic. Among the plethora of strategies, designing supported nanocatalysts for the degradation of pollutants has achieved prominence. In this context, we are addressing one of the UN Sustainable Deve...
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MDPI AG
2021-09-01
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| Online Access: | https://www.mdpi.com/2076-3417/11/18/8513 |
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| author | Ahmed M. Khalil Laurent Michely Rémy Pires Stéphane Bastide Khouloud Jlassi Souad Ammar Mohamed Jaziri Mohamed M. Chehimi |
| author_facet | Ahmed M. Khalil Laurent Michely Rémy Pires Stéphane Bastide Khouloud Jlassi Souad Ammar Mohamed Jaziri Mohamed M. Chehimi |
| author_sort | Ahmed M. Khalil |
| collection | DOAJ |
| description | Developing micro- and nanomaterials for environmental pollution remediation is currently a pertinent topic. Among the plethora of strategies, designing supported nanocatalysts for the degradation of pollutants has achieved prominence. In this context, we are addressing one of the UN Sustainable Development Goals by valorizing agrowaste as a source of biochar, which serves as a support for bimetallic nanocatalysts. Herein, olive pit powder particles were impregnated with copper and nickel nitrates and pyrolyzed at 400 °C. The resulting material consists of bimetallic CuNi-decorated biochar. CuNi nanocatalysts were found to be as small as 10 nm and very well dispersed over biochar with zero valent copper and nickel and the formation of copper–nickel solid solutions. The biochar@CuNi (B@CuNi) exhibited typical soft ferromagnet hysteresis loops with zero remanence and zero coercivity. The biochar@CuNi was found to be an efficient catalyst of the reduction in methyl orange (MO) dye, taken as a model pollutant. In sum, the one-pot method devised in this work provides unique CuNi-decorated biochar and broadens the horizons of the emerging topic of biochar-supported nanocatalysts. |
| first_indexed | 2024-03-10T07:55:31Z |
| format | Article |
| id | doaj.art-d3e1683b3276479ca740b919afbf9bcf |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T07:55:31Z |
| publishDate | 2021-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-d3e1683b3276479ca740b919afbf9bcf2023-11-22T11:53:58ZengMDPI AGApplied Sciences2076-34172021-09-011118851310.3390/app11188513Copper/Nickel-Decorated Olive Pit Biochar: One Pot Solid State Synthesis for Environmental RemediationAhmed M. Khalil0Laurent Michely1Rémy Pires2Stéphane Bastide3Khouloud Jlassi4Souad Ammar5Mohamed Jaziri6Mohamed M. Chehimi7Photochemistry Department, National Research Centre, Dokki, Giza 12622, EgyptUniversité Paris Est, CNRS, ICMPE (UMR 7182), 94320 Thiais, FranceUniversité Paris Est, CNRS, ICMPE (UMR 7182), 94320 Thiais, FranceUniversité Paris Est, CNRS, ICMPE (UMR 7182), 94320 Thiais, FranceCenter for Advanced Materials, Qatar University, Doha P.O. Box 2713, QatarUniversité de Paris, CNRS, ITODYS (UMR 7086), 75013 Paris, FranceLaboratoire Electrochimie et Environnement, Ecole Nationale d’Ingénieurs de Sfax, Université de Sfax, Sfax 3038, TunisiaUniversité Paris Est, CNRS, ICMPE (UMR 7182), 94320 Thiais, FranceDeveloping micro- and nanomaterials for environmental pollution remediation is currently a pertinent topic. Among the plethora of strategies, designing supported nanocatalysts for the degradation of pollutants has achieved prominence. In this context, we are addressing one of the UN Sustainable Development Goals by valorizing agrowaste as a source of biochar, which serves as a support for bimetallic nanocatalysts. Herein, olive pit powder particles were impregnated with copper and nickel nitrates and pyrolyzed at 400 °C. The resulting material consists of bimetallic CuNi-decorated biochar. CuNi nanocatalysts were found to be as small as 10 nm and very well dispersed over biochar with zero valent copper and nickel and the formation of copper–nickel solid solutions. The biochar@CuNi (B@CuNi) exhibited typical soft ferromagnet hysteresis loops with zero remanence and zero coercivity. The biochar@CuNi was found to be an efficient catalyst of the reduction in methyl orange (MO) dye, taken as a model pollutant. In sum, the one-pot method devised in this work provides unique CuNi-decorated biochar and broadens the horizons of the emerging topic of biochar-supported nanocatalysts.https://www.mdpi.com/2076-3417/11/18/8513agrowaste valorizationolive pitBiocharCuNi bimetallic nanocatalystmethyl orangeclean water and sanitation |
| spellingShingle | Ahmed M. Khalil Laurent Michely Rémy Pires Stéphane Bastide Khouloud Jlassi Souad Ammar Mohamed Jaziri Mohamed M. Chehimi Copper/Nickel-Decorated Olive Pit Biochar: One Pot Solid State Synthesis for Environmental Remediation Applied Sciences agrowaste valorization olive pit Biochar CuNi bimetallic nanocatalyst methyl orange clean water and sanitation |
| title | Copper/Nickel-Decorated Olive Pit Biochar: One Pot Solid State Synthesis for Environmental Remediation |
| title_full | Copper/Nickel-Decorated Olive Pit Biochar: One Pot Solid State Synthesis for Environmental Remediation |
| title_fullStr | Copper/Nickel-Decorated Olive Pit Biochar: One Pot Solid State Synthesis for Environmental Remediation |
| title_full_unstemmed | Copper/Nickel-Decorated Olive Pit Biochar: One Pot Solid State Synthesis for Environmental Remediation |
| title_short | Copper/Nickel-Decorated Olive Pit Biochar: One Pot Solid State Synthesis for Environmental Remediation |
| title_sort | copper nickel decorated olive pit biochar one pot solid state synthesis for environmental remediation |
| topic | agrowaste valorization olive pit Biochar CuNi bimetallic nanocatalyst methyl orange clean water and sanitation |
| url | https://www.mdpi.com/2076-3417/11/18/8513 |
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