Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations
Activated carbons were prepared from ashitaba waste and a walnut shell to study the adsorption mechanism of congo red and methylene blue dyes in aqueous solution. These adsorbents were characterized via XRD, FTIR and SEM techniques and the dye adsorption isotherms at three temperatures were quantifi...
- Autores:
-
Li, Zichao
Hanafy, Hassan
Zhanga, Lei
Sellaouid, Lotfi
Schadeck Netto, Matias
Silva Oliveira, Marcos Leandro
Seliem, Moaaz K.
Dotto, Guilherme Luiz
Bonilla-Petriciolet, Adrian
Lia, Qun
- Tipo de recurso:
- http://purl.org/coar/resource_type/c_816b
- Fecha de publicación:
- 2020
- Institución:
- Corporación Universidad de la Costa
- Repositorio:
- REDICUC - Repositorio CUC
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.cuc.edu.co:11323/5971
- Acceso en línea:
- http://hdl.handle.net/11323/5971
https://repositorio.cuc.edu.co/
- Palabra clave:
- Ashitaba waste
Walnut Shell
Methylene blue
Congo red
Physical modeling
Activated carbon
- Rights
- openAccess
- License
- CC0 1.0 Universal
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RCUC2_991011d1f30bc0e22a8ee1c9ea9d2a65 |
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oai:repositorio.cuc.edu.co:11323/5971 |
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RCUC2 |
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REDICUC - Repositorio CUC |
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|
| dc.title.spa.fl_str_mv |
Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations |
| title |
Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations |
| spellingShingle |
Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations Ashitaba waste Walnut Shell Methylene blue Congo red Physical modeling Activated carbon |
| title_short |
Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations |
| title_full |
Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations |
| title_fullStr |
Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations |
| title_full_unstemmed |
Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations |
| title_sort |
Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations |
| dc.creator.fl_str_mv |
Li, Zichao Hanafy, Hassan Zhanga, Lei Sellaouid, Lotfi Schadeck Netto, Matias Silva Oliveira, Marcos Leandro Seliem, Moaaz K. Dotto, Guilherme Luiz Bonilla-Petriciolet, Adrian Lia, Qun |
| dc.contributor.author.spa.fl_str_mv |
Li, Zichao Hanafy, Hassan Zhanga, Lei Sellaouid, Lotfi Schadeck Netto, Matias Silva Oliveira, Marcos Leandro Seliem, Moaaz K. Dotto, Guilherme Luiz Bonilla-Petriciolet, Adrian Lia, Qun |
| dc.subject.spa.fl_str_mv |
Ashitaba waste Walnut Shell Methylene blue Congo red Physical modeling Activated carbon |
| topic |
Ashitaba waste Walnut Shell Methylene blue Congo red Physical modeling Activated carbon |
| description |
Activated carbons were prepared from ashitaba waste and a walnut shell to study the adsorption mechanism of congo red and methylene blue dyes in aqueous solution. These adsorbents were characterized via XRD, FTIR and SEM techniques and the dye adsorption isotherms at three temperatures were quantified. A statistical physics model was applied to interpret the adsorption mechanism of tested dyes and adsorbents. Modeling results showed that these dyes were practically separated in the solution leading to an absence of the aggregation process. Adsorption orientations of dye molecules on the adsorbents changed depending on the temperature and nature of systems. The adsorption capacity of ashitaba waste activated carbon for the removal of congo red was significant thus indicating strong interactions between this dye and tested adsorbent. Calculated adsorption energy varied from 7.25 to 20.43 kJ/mol and they showed that the adsorption of both adsorbates occurred via physical interactions at different temperatures where the removal process was endothermic. |
| publishDate |
2020 |
| dc.date.accessioned.none.fl_str_mv |
2020-02-03T13:21:22Z |
| dc.date.available.none.fl_str_mv |
2020-02-03T13:21:22Z |
| dc.date.issued.none.fl_str_mv |
2020-01-28 |
| dc.type.spa.fl_str_mv |
Pre-Publicación |
| dc.type.coar.spa.fl_str_mv |
http://purl.org/coar/resource_type/c_816b |
| dc.type.content.spa.fl_str_mv |
Text |
| dc.type.driver.spa.fl_str_mv |
info:eu-repo/semantics/preprint |
| dc.type.redcol.spa.fl_str_mv |
http://purl.org/redcol/resource_type/ARTOTR |
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info:eu-repo/semantics/acceptedVersion |
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http://purl.org/coar/resource_type/c_816b |
| status_str |
acceptedVersion |
| dc.identifier.uri.spa.fl_str_mv |
http://hdl.handle.net/11323/5971 |
| dc.identifier.instname.spa.fl_str_mv |
Corporación Universidad de la Costa |
| dc.identifier.reponame.spa.fl_str_mv |
REDICUC - Repositorio CUC |
| dc.identifier.repourl.spa.fl_str_mv |
https://repositorio.cuc.edu.co/ |
| url |
http://hdl.handle.net/11323/5971 https://repositorio.cuc.edu.co/ |
| identifier_str_mv |
Corporación Universidad de la Costa REDICUC - Repositorio CUC |
| dc.language.iso.none.fl_str_mv |
eng |
| language |
eng |
| dc.rights.spa.fl_str_mv |
CC0 1.0 Universal |
| dc.rights.uri.spa.fl_str_mv |
http://creativecommons.org/publicdomain/zero/1.0/ |
| dc.rights.accessrights.spa.fl_str_mv |
info:eu-repo/semantics/openAccess |
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http://purl.org/coar/access_right/c_abf2 |
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CC0 1.0 Universal http://creativecommons.org/publicdomain/zero/1.0/ http://purl.org/coar/access_right/c_abf2 |
| eu_rights_str_mv |
openAccess |
| dc.publisher.spa.fl_str_mv |
Universidad de la Costa |
| institution |
Corporación Universidad de la Costa |
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Li, Zichao72ca135934a7bd173c63db01670c26cbHanafy, Hassan8b07fa514031d8bcf22ff4463fef000aZhanga, Lei48328865870feb3d98f2844d149ba138Sellaouid, Lotfiaa0bf68a06d6f332dcdce1c6d2d639f2Schadeck Netto, Matias45775e113adadc042867461cc88cac00Silva Oliveira, Marcos Leandro8593f6412a0dba9dc599d10d381fe9b2Seliem, Moaaz K.34cdcc99099049c0c10f65bcbcfc36c2Dotto, Guilherme Luizdb0ab5734a8bbe410bb09d3a2d6f3a41Bonilla-Petriciolet, Adrian8997994ed803f8405bc4f0f630fdf239Lia, Qun62f03e43f5b21eac551ccb01ad6ec8ae2020-02-03T13:21:22Z2020-02-03T13:21:22Z2020-01-28http://hdl.handle.net/11323/5971Corporación Universidad de la CostaREDICUC - Repositorio CUChttps://repositorio.cuc.edu.co/Activated carbons were prepared from ashitaba waste and a walnut shell to study the adsorption mechanism of congo red and methylene blue dyes in aqueous solution. These adsorbents were characterized via XRD, FTIR and SEM techniques and the dye adsorption isotherms at three temperatures were quantified. A statistical physics model was applied to interpret the adsorption mechanism of tested dyes and adsorbents. Modeling results showed that these dyes were practically separated in the solution leading to an absence of the aggregation process. Adsorption orientations of dye molecules on the adsorbents changed depending on the temperature and nature of systems. The adsorption capacity of ashitaba waste activated carbon for the removal of congo red was significant thus indicating strong interactions between this dye and tested adsorbent. Calculated adsorption energy varied from 7.25 to 20.43 kJ/mol and they showed that the adsorption of both adsorbates occurred via physical interactions at different temperatures where the removal process was endothermic.engUniversidad de la CostaCC0 1.0 Universalhttp://creativecommons.org/publicdomain/zero/1.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Ashitaba wasteWalnut ShellMethylene blueCongo redPhysical modelingActivated carbonAdsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretationsPre-Publicaciónhttp://purl.org/coar/resource_type/c_816bTextinfo:eu-repo/semantics/preprinthttp://purl.org/redcol/resource_type/ARTOTRinfo:eu-repo/semantics/acceptedVersionORIGINALAdsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions. Experiments, characterization and physical interpretations.pdfAdsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions. Experiments, characterization and physical interpretations.pdfapplication/pdf76453https://repositorio.cuc.edu.co/bitstream/11323/5971/1/Adsorption%20of%20congo%20red%20and%20methylene%20blue%20dyes%20on%20an%20ashitaba%20waste%20and%20a%20walnut%20shell-based%20activated%20carbon%20from%20aqueous%20solutions.%20Experiments%2c%20characterization%20and%20physical%20interpretations.pdfead8a6105b80ba1319e68c25a8971b59MD51open accessCC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; charset=utf-8701https://repositorio.cuc.edu.co/bitstream/11323/5971/2/license_rdf42fd4ad1e89814f5e4a476b409eb708cMD52open accessLICENSElicense.txtlicense.txttext/plain; charset=utf-81748https://repositorio.cuc.edu.co/bitstream/11323/5971/3/license.txt8a4605be74aa9ea9d79846c1fba20a33MD53open accessTHUMBNAILAdsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions. 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