Search: (WFRF:(Palermo Vincenzo 1972)) srt2:(2023) >
Adsorption of emerg...
Adsorption of emerging contaminants by graphene related materials and their alginate composite hydrogels
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- Tunioli, Francesca (author)
- Consiglo Nazionale Delle Richerche
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- Khaliha, Sara (author)
- Consiglo Nazionale Delle Richerche
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- Mantovani, Sebastiano (author)
- Consiglo Nazionale Delle Richerche
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- Bianchi, Antonio (author)
- Consiglo Nazionale Delle Richerche
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- Kovtun, Alessandro (author)
- Consiglo Nazionale Delle Richerche
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- Xia, Zhenyuan, 1983 (author)
- Consiglo Nazionale Delle Richerche,Chalmers tekniska högskola,Chalmers University of Technology
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- Bafqi, Mohammad Sajad Sorayani (author)
- Sabanci Universitesi,Sabancı University
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- Okan, Burcu Saner (author)
- Sabanci Universitesi,Sabancı University
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- Marforio, Tainah Dorina (author)
- Universita di Bologna,University of Bologna
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- Calvaresi, Matteo (author)
- Universita di Bologna,University of Bologna
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- Palermo, Vincenzo, 1972 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Consiglo Nazionale Delle Richerche
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- Navacchia, Maria Luisa (author)
- Consiglo Nazionale Delle Richerche
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- Melucci, M. (author)
- Consiglo Nazionale Delle Richerche
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(creator_code:org_t)
- Elsevier BV, 2023
- 2023
- English.
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In: Journal of Environmental Chemical Engineering. - : Elsevier BV. - 2213-3437 .- 2213-2929. ; 11:2
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https://doi.org/10.1...
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Abstract
Subject headings
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- Graphene nanosheets and nanoplatelets -alginate composite hydrogels were prepared by ionic gelation and the resulting gel beads were exploited for the removal of a mixture of eight selected emerging contaminants (ECs) in tap water, including bisphenol A, ofloxacin and diclofenac. The role of graphene related materials (GRM) on the gel bead structure, adsorption selectivity, kinetic, mechanism, and efficiency was investigated. Combined Scanning Electron Microscopy (SEM) and confocal Raman microscopy mapping showed a porous structure with pore size in the range of 100–200 µm and a homogeneous distribution of graphene nanosheets or nanoplatelets at the pores surface. The adsorption kinetic of GRM was much faster than that of granular activated carbon (GAC), the industrial sorbent benchmark, with removal capacity of ofloxacin from 2.9 to 4.3 times higher. A maximum adsorption capacity of 178 mg/g for rhodamine B was estimated by adsorption isotherm studies for reduced graphene oxide-based beads (a value comparable to that of powered activated carbon). Regeneration test performed on saturated beads by washing with EtOH, and subsequent reiterated reuses, showed no loss of adsorption performance up to the fourth reuse cycle.
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Polymerteknologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Polymer Technologies (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- Polymer-graphene composites
- Graphene related materials
- Alginate
- Water purification
- Emerging contaminants
Publication and Content Type
- art (subject category)
- ref (subject category)
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Tunioli, Frances ...
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Khaliha, Sara
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Mantovani, Sebas ...
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Bianchi, Antonio
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Kovtun, Alessand ...
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Xia, Zhenyuan, 1 ...
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show more...
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Bafqi, Mohammad ...
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Okan, Burcu Sane ...
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Marforio, Tainah ...
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Calvaresi, Matte ...
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Palermo, Vincenz ...
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Navacchia, Maria ...
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Melucci, M.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Inorganic Chemis ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Chemical Enginee ...
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and Polymer Technolo ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
- Articles in the publication
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Journal of Envir ...
- By the university
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Chalmers University of Technology