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Selective denitrification of simulated oily wastewater by oxidation using Janus-structured carbon nanotubes

2023Journal article Open access
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dc.contributor.authorRoman, Fernanda
dc.contributor.authorDíaz de Tuesta, Jose Luis
dc.contributor.authorSanches, Flávia Kim
dc.contributor.authorSilva, Adriano S.
dc.contributor.authorMarin, Pricila
dc.contributor.authorMachado, Bruno F.
dc.contributor.authorSerp, Philippe
dc.contributor.authorPedrosa, Marta
dc.contributor.authorSilva, Adrián
dc.contributor.authorFaria, Joaquim
dc.contributor.authorGomes, Helder
dc.date.accessioned2023-07-18T10:33:02Z
dc.date.available2023-07-18T10:33:02Z
dc.date.issued2023
dc.description.abstractThe intense industrial development has resulted in several consequences for human and environmental health, including the increased discharge of oily products in water bodies. Oily products are widely used in industry, often bearing an associated high cost. Finding alternatives to treat oily wastewater aiming at recovering oily and water phases is an approach allowing recovery of products of economic interest. In this work, Janus-like carbon nanotubes (CNTs) were synthesized by varying the feed time of acetonitrile and ethylene, respectively, as nitrogen/ carbon and carbon precursors in a chemical vapor deposition (CVD) approach. The CVD approach allowed the synthesis of completely undoped, completely doped and partially doped CNTs with a Janus structure. The CNTs were then tested as catalysts for the selective oxidation of 4-nitrophenol (4-NP) contained in a simulated oily wastewater (2,2,4-trimethylpentane/water (O/W) = 1:9, volume basis) by catalytic wet peroxide oxidation (CWPO). The CWPO experiments were conducted for 24 h, 80 ◦C, 2.5 g L-1 of catalyst, and the stoichiometric concentration of H2O2 (3.6 g L-1) for the degradation of 4-NP (1 g L-1). The same conditions were kept for experiments conducted under a biphasic system. The catalysts bearing a Janus-like structure were demonstrated to be more effective in CWPO experiments in aqueous-only and biphasic systems for the abatement of 4-NP.pt_PT
dc.description.sponsorshipThis work was financially supported by LA/P/0045/2020 (ALiCE), UIDB/50020/2020 and UIDP/50020/2020 (LSRE-LCM) funded by national funds through FCT/MCTES (PIDDAC); project “PLASTIC_TO_FUEL&MAT – Upcycling Waste Plastics into Fuel and Carbon Nanomaterials” (PTDC/EQU-EQU/31439/2017), CIMO (UIDB/00690/2020), and project “Healthy Waters” (NORTE-01–0145-FEDER-000069) through FEDER under Program PT2020. Fernanda F. Roman acknowledges the Foundation for Science and Technology (FCT) and the European Social Fund (FSE) for the individual research grant with reference SFRH/BD/143224/2019. Adriano S. Silva was supported by the doctoral Grant SFRH/BD/151346/2021 financed by FCT with funds from NORTE2020, under MIT Portugal Program. Jose L. Diaz De Tuesta acknowledges the financial support through the program of Atracción al Talento of Comunidad de Madrid (Spain) for the individual research grant 2020-T2/AMB-19836.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationRoman, Fernanda; Díaz de Tuesta, Jose Luis; Sanches, Flávia K.K.; Silva, Adriano S.; Marin, Pricila; Machado, Bruno F.; Serp, Philippe; Pedrosa, Marta; Silva, Adrián; Faria, Joaquim L.; Gomes, Helder (2023). Selective denitrification of simulated oily wastewater by oxidation using Janus-structured carbon nanotubes. Catalysis Today. ISSN 0920-5861. 420, p.pt_PT
dc.identifier.doi10.1016/j.cattod.2023.01.008pt_PT
dc.identifier.issn0920-5861
dc.identifier.urihttp://hdl.handle.net/10198/28561
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationUpcycling Waste Plastics into Fuel and Carbon Nanomaterials
dc.relationMountain Research Center
dc.relationAmphiphilic carbon-based materials for one-pot desulfurization and denitrogenation of liquid fuels
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subject4-nitrophenolpt_PT
dc.subjectBiphasic oxidationpt_PT
dc.subjectFenton-like systempt_PT
dc.subjectNanostructured carbonspt_PT
dc.subjectJanus particlespt_PT
dc.titleSelective denitrification of simulated oily wastewater by oxidation using Janus-structured carbon nanotubes
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleUpcycling Waste Plastics into Fuel and Carbon Nanomaterials
oaire.awardTitleMountain Research Center
oaire.awardTitleAmphiphilic carbon-based materials for one-pot desulfurization and denitrogenation of liquid fuels
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FEQU-EQU%2F31439%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POR_NORTE/SFRH%2FBD%2F143224%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POR_NORTE/SFRH%2FBD%2F151346%2F2021/PT
oaire.citation.titleCatalysis Todaypt_PT
oaire.fundingStream9471 - RIDTI
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamPOR_NORTE
oaire.fundingStreamPOR_NORTE
person.familyNameRoman
person.familyNameDíaz de Tuesta
person.familyNameSilva
person.familyNameGomes
person.givenNameFernanda
person.givenNameJose Luis
person.givenNameAdriano S.
person.givenNameHelder
person.identifier.ciencia-idEE1B-DAA7-D0BD
person.identifier.ciencia-id7A1F-022B-7DBF
person.identifier.ciencia-id3E14-5049-B09D
person.identifier.ciencia-id6218-1E19-13EE
person.identifier.orcid0000-0001-5360-5298
person.identifier.orcid0000-0003-2408-087X
person.identifier.orcid0000-0002-6795-2335
person.identifier.orcid0000-0001-6898-2408
person.identifier.ridD-9785-2017
person.identifier.scopus-author-id55755821600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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