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Application of Biobased Substances in the Synthesis of Nanostructured Magnetic Core-Shell Materials. INORGANICS 2023. [DOI: 10.3390/inorganics11010046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
We propose here a novel green synthesis route of core-shell magnetic nanomaterials based on the polyol method, which uses bio-based substances (BBS) derived from biowaste, as stabilizer and directing agent. First, we studied the effect of BBS concentration on the size, morphology, and composition of magnetic iron oxides nanoparticles obtained in the presence of BBS via the polyol synthesis method (MBBS). Then, as a proof of concept, we further coated MBBS with mesoporous silica (MBBS@mSiO2) or titanium dioxide (MBBS@TiO2) to obtain magnetic nanostructured core-shell materials. All the materials were deeply characterized with diverse physicochemical techniques. Results showed that both the size of the nanocrystals and their aggregation strongly depend on the BBS concentration used in the synthesis: the higher the concentration of BBS, the smaller the sizes of the iron oxide nanoparticles. On the other hand, the as-prepared magnetic core-shell nanomaterials were applied with good performance in different systems. In particular, MBBS@SiO2 showed to be an excellent nanocarrier of ibuprofen and successful adsorbent of methylene blue (MB) from aqueous solution. MBBS@TiO2 was capable of degrading MB with the same efficiency of pristine TiO2. These excellent results encourage the use of bio-based substances in different types of synthesis methods since they could reduce the fabrication costs and the environmental impact.
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The Role of Inorganic Fillers in Electrostatic Discharge Composites. INORGANICS 2022. [DOI: 10.3390/inorganics10120222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
The occurrence of uncontrolled electrostatic discharge (ESD) is among the major causes of damage in unprotected electronic components during industrial processes. To counteract this undesired phenomenon, ESD composites showing static-dissipative and antistatic responses are developed. In particular, static-dissipative materials are able to slow down the flow of electric charges, whereas antistatic materials directly suppress the initial charges induced by undesired charging by properly dispersing conductive fillers within an insulant matrix and thus forming a conductive filler network. In this context, the purpose of this review is to provide a useful resume of the main fundamentals of the technology necessary for facing electrostatic charging. The formation mechanisms of electrostatic charges at the material surface were described, providing a classification of ESD composites and useful characterization methods. Furthermore, we reported a deep analysis of the role of conductive fillers in the formation of filler networks to allow electric charge movements, along with an overview of the different classes of inorganic conductive fillers exploitable in ESD composites, evidencing pros/cons and criticalities of each category of inorganic fillers.
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Tummino ML, Nisticò R, Franzoso F, Bianco Prevot A, Calza P, Laurenti E, Paganini MC, Scalarone D, Magnacca G. The "Lab4treat" Outreach Experience: Preparation of Sustainable Magnetic Nanomaterials for Remediation of Model Wastewater. Molecules 2021; 26:3361. [PMID: 34199539 PMCID: PMC8199662 DOI: 10.3390/molecules26113361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/23/2021] [Accepted: 05/28/2021] [Indexed: 11/17/2022] Open
Abstract
The Lab4treat experience has been developed to demonstrate the use of magnetic materials in environmental applications. It was projected in the frame of the European project Mat4Treat, and it was tested several times in front of different audiences ranging from school students to the general public in training and/or divulgation events. The experience lends itself to discuss several aspects of actuality, physics and chemistry, which can be explained by modulating the discussion depth level, in order to meet the interests of younger or more experienced people and expand their knowledge. The topic is relevant, dealing with the recycling of urban waste and water depollution. The paper is placed within the field of water treatment for contaminant removal; therefore, a rich collection of recent (and less recent) papers dealing with magnetic materials and environmental issues is described in the Introduction section. In addition, the paper contains a detailed description of the experiment and a list of the possible topics which can be developed during the activity. The experimental approach makes the comprehension of scientific phenomena effective, and, from this perspective, the paper can be considered to be an example of interactive teaching.
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Affiliation(s)
- Maria Laura Tummino
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Roberto Nisticò
- Department of Applied Science and Technology DISAT, Polytechnic of Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Flavia Franzoso
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Alessandra Bianco Prevot
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Paola Calza
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Enzo Laurenti
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Maria Cristina Paganini
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Dominique Scalarone
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Giuliana Magnacca
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
- NIS Interdepartmental Centre, University of Torino, Via P. Giuria 7, 10125 Torino, Italy
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Magnacca G, Neves Dos Santos F, Sadraei R. Bio-based Substances From Compost as Reactant and Active Phase for Selective Capture of Cationic Pollutants From Waste Water. Front Chem 2020; 8:550. [PMID: 32793547 PMCID: PMC7385075 DOI: 10.3389/fchem.2020.00550] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 05/28/2020] [Indexed: 11/13/2022] Open
Abstract
Alumina porous monoliths were successfully fabricated using a simple and reproducible synthesis dispersing gamma alumina phase from commercial boehmite (GAB) in water containing water-soluble bio-based substances (BBSs) obtained from composted biowaste. The wet mixture obtained was shaped in form of small spheres and then dried and calcined at 500°C in order to burn the organic matter and obtain mesoporous monoliths. They were successively functionalized with BBSs in order to introduce BBS functional groups and obtain an efficient adsorbing system. Therefore, in this work, BBSs acted as template/binder for the production of monoliths and as functionalizing agent of the produced monoliths. The reference powders, deeply studied in a published article (Sadraei et al., 2019b), and the monoliths of GAB before and after functionalization were characterized by means of x-ray diffraction to evidence their crystal structure, Fourier transform infrared spectroscopy for evaluating the presence of BBSs on the supports, thermogravimetric analysis to measure the thermal stability of the materials and quantify the functionalizing BBS amount immobilized on the supports, nitrogen adsorption at 77 K for the investigation of the surface area and porosity of the systems, and zeta potential measurements to analyze the effect of BBS immobilization on the surface charge of the supports and to predict the type of interaction, which can be established with substrates. Finally, the systems were applied in removal of pollutants with different charge, polarity, and molecular structure, such as dyes (crystal violet and acid orange 7) and contaminants of emerging concern (carbamazepine and atenolol). Only the cationic dye CV is captured by the adsorbing material, and this allows envisaging a possible use of the functionalized monoliths for selective adsorption of cationic substrates.
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Affiliation(s)
- Giuliana Magnacca
- Dipartimento di Chimica, Università di Torino, Turin, Italy.,Centre for Nanostructured Interfaces and Surfaces (NIS) Interdepartmental Centre, Università di Torino, Turin, Italy
| | | | - Razieh Sadraei
- Faculty of Science and Engineering, University of Wolverhampton, Wolverhampton, United Kingdom
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Tummino ML, Magnacca G, Cimino D, Laurenti E, Nisticò R. The Innovation Comes from the Sea: Chitosan and Alginate Hybrid Gels and Films as Sustainable Materials for Wastewater Remediation. Int J Mol Sci 2020; 21:E550. [PMID: 31952241 PMCID: PMC7013933 DOI: 10.3390/ijms21020550] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/10/2020] [Accepted: 01/13/2020] [Indexed: 12/25/2022] Open
Abstract
The growing utilization of renewable and residual biomasses for environmental preservation and remediation are important goals to be pursued to minimize the environmental impact of human activities. In this paper, sodium alginate (derived from brown algae) was crosslinked using chitosan (mainly derived from the exoskeleton of crustaceans) in the presence of biowaste-derived substances isolated from green compost (BBS-GC), to produce hydrogels and dried films. The obtained materials were tested as adsorbents for wastewater remediation. To this purpose, gels were characterized using a multi-analytical approach and used as active substrates for the removal of three differently-charged molecules, chosen as model pollutants: crystal violet, rhodamine B, and orange II. The effectiveness of the gel formulations was demonstrated and attributed to the variety of active functionalities introduced by the different precursors, the structural factors and the peculiar physicochemical properties of the resulting materials.
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Affiliation(s)
- Maria Laura Tummino
- Department of Chemistry, Università degli studi di Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (G.M.); (D.C.); (E.L.)
| | - Giuliana Magnacca
- Department of Chemistry, Università degli studi di Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (G.M.); (D.C.); (E.L.)
- NIS Centre, Università degli studi di Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Dafne Cimino
- Department of Chemistry, Università degli studi di Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (G.M.); (D.C.); (E.L.)
- Department of Environmental Sciences, Informatics and Statistics, Università Ca’ Foscari di Venezia, Via Torino 155, 30172 Venezia-Mestre, Italy
| | - Enzo Laurenti
- Department of Chemistry, Università degli studi di Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (G.M.); (D.C.); (E.L.)
| | - Roberto Nisticò
- Department of Applied Science and Technology DISAT, Polytechnic of Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
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Nisticò R, Rivolo P, Novara C, Giorgis F. New branched flower-like Ag nanostructures for SERS analysis. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.123600] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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An Easy Synthesis for Preparing Bio-Based Hybrid Adsorbent Useful for Fast Adsorption of Polar Pollutants. NANOMATERIALS 2019; 9:nano9050731. [PMID: 31083562 PMCID: PMC6566375 DOI: 10.3390/nano9050731] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 05/03/2019] [Accepted: 05/06/2019] [Indexed: 12/01/2022]
Abstract
For the first time, γ-Al2O3 and Bio-Based Substances (BBS) hybrids (A-BBS) were prepared through a simple electrostatic interaction occurring between alumina, used as a support, and BBS (Bio-Based Substance from composted biowastes) carrying positive and negative charges, respectively. We evaluated the optimal amount of BBS to be immobilized on the support and the stability of the resulting A-BBS in order to use this novel hybrid material as an adsorbent for the removal of polar pollutants. Characterization was carried out by X-Ray Diffraction (XRD) for evaluating the crystal structure of the support, Fourier transform infrared spectroscopy (FT-IR) to evidence the presence of BBS on the hybrid material, thermogravimetric analysis (TGA) to measure the thermal stability of the hybrid materials and quantify the BBS amount immobilized on the support, N2 adsorption at 77 K for the evaluation of the surface area and porosity of the systems, Zeta potential measurements to evaluate the effect of BBS immobilization on the surface charge of the particles and choose the substrates possibly interacting with them. Firstly, we tested the adsorption capability of three samples differently coated with BBS toward cationic species considering various adsorbate/adsorbent ratio. Crystal Violet (CV) was chosen as model pollutant to compare the performance of the hybrid materials with those of other materials described in the literature. The adsorption data were modeled by Langmuir and Freundlich adsorption isotherms. Then, we studied the adsorption capability of the developed material towards molecules with different structures; for this purpose, two contaminants of emerging concerns (carbamazepine and atenolol) were tested. The results indicate that A-BBS could be applied in wastewater treatment for the removal of a significant amount of polar species. In addition, a comparison with literature data concerning CV adsorption was carried out in order to evaluate the environmental impact of synthetic routes used to prepare different adsorbents.
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Nisticò R, Rivolo P, Giorgis F. Tips and Tricks for the Surface Engineering of Well-Ordered Morphologically Driven Silver-Based Nanomaterials. ChemistryOpen 2019; 8:508-519. [PMID: 31061776 PMCID: PMC6488201 DOI: 10.1002/open.201900007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 03/10/2019] [Indexed: 11/30/2022] Open
Abstract
Particularly-shaped silver nanostructures are successfully applied in many scientific fields, such as nanotechnology, catalysis, (nano)engineering, optoelectronics, and sensing. In recent years, the production of shape-controlled silver-based nanostructures and the knowledge around this topic has grown significantly. Hence, on the basis of the most recent results reported in the literature, a critical analysis around the driving forces behind the synthesis of such nanostructures are proposed herein, pointing out the important role of surface-regulating agents in driving crystalline growth by favoring (or opposing) development along specific directions. Additionally, growth mechanisms of the different morphologies considered here are discussed in depth, and critical points highlighted.
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Affiliation(s)
- Roberto Nisticò
- Department of Applied Science and Technology DISATPolytechnic of TorinoC.so Duca degli Abruzzi 2410129TorinoItaly
| | - Paola Rivolo
- Department of Applied Science and Technology DISATPolytechnic of TorinoC.so Duca degli Abruzzi 2410129TorinoItaly
| | - Fabrizio Giorgis
- Department of Applied Science and Technology DISATPolytechnic of TorinoC.so Duca degli Abruzzi 2410129TorinoItaly
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Tummino ML, Testa ML, Malandrino M, Gamberini R, Bianco Prevot A, Magnacca G, Laurenti E. Green Waste-Derived Substances Immobilized on SBA-15 Silica: Surface Properties, Adsorbing and Photosensitizing Activities towards Organic and Inorganic Substrates. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E162. [PMID: 30699919 PMCID: PMC6409592 DOI: 10.3390/nano9020162] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 01/24/2019] [Accepted: 01/25/2019] [Indexed: 11/16/2022]
Abstract
Urban wastes are a potential source of environment contamination, especially when they are not properly disposed. Nowadays, researchers are finding innovative solutions for recycling and reusing wastes in order to favour a sustainable development from the viewpoint of circular economy. In this context, the lignin-like fraction of biomass derived from Green Compost is a cost-effective source of soluble Bio-Based Substances (BBS-GC), namely complex macromolecules/supramolecular aggregates characterized by adsorbing and photosensitizing properties. In this work BBS-GC were immobilized on a silica support (SBA-15) and the chemico-physical properties of the resulting hybrid material (BBS-SBA) were analysed by zeta-potential measurements, nitrogen adsorption at 77K and micro-calorimetric techniques. Successively, the BBS-SBA photosensitizing and adsorption abilities were tested. Adsorption in the dark of Rhodamine B and Orange II on BBS-SBA and their degradation upon irradiation under simulated solar light were shown, together with the formation of hydroxyl radicals detected by Electron Paramagnetic Resonance spectroscopy. Furthermore, the adsorption of six inorganic ions (Al, Ni, Mn, As, Hg, Cr) on BBS-SBA was studied in pure water at two different pH values and in a landfill leachate, showing the good potential of this kind of materials in the removal of wastewater contaminants.
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Affiliation(s)
- Maria Laura Tummino
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy.
| | - Maria Luisa Testa
- Istituto per lo Studio dei Materiali Nanostrutturati, Consiglio Nazionale delle Ricerche, via U. La Malfa 153, I-90146 Palermo, Italy.
| | - Mery Malandrino
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy.
| | - Roberta Gamberini
- Acea Pinerolese Industriale S.p.A., Via Vigone 42, I-10064 Pinerolo (TO), Italy.
| | | | - Giuliana Magnacca
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy.
- NIS and INSTM Reference Centre, Via P. Giuria 7, I-10125 Torino, Italy.
| | - Enzo Laurenti
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy.
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Nisticò R, Cesano F, Franzoso F, Magnacca G, Scarano D, Funes IG, Carlos L, Parolo ME. From biowaste to magnet-responsive materials for water remediation from polycyclic aromatic hydrocarbons. CHEMOSPHERE 2018; 202:686-693. [PMID: 29602101 DOI: 10.1016/j.chemosphere.2018.03.153] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 03/21/2018] [Accepted: 03/22/2018] [Indexed: 06/08/2023]
Abstract
Composted urban biowaste-derived substances (BBS-GC) are used as carbon sources for the preparation of carbon-coated magnet-sensitive nanoparticles obtained via co-precipitation method and the subsequent thermal treatment at 550 °C under nitrogen atmosphere. A multitechnique approach has been applied to investigate the morphology, magnetic properties, phase composition, thermal stability of the obtained magnet-sensitive materials. In particular, pyrolysis-induced modifications affecting the BBS-GC/carbon shell were highlighted. The adsorption capacity of such bio-derivative magnetic materials for the removal of hydrophobic contaminants such as polycyclic aromatic hydrocarbons was evaluated in order to verify their potential application in wastewater remediation process. The promising results suggest their use as a new generation of magnet-responsive easily-recoverable adsorbents for water purification treatments.
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Affiliation(s)
- Roberto Nisticò
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy; Polytechnic of Torino, Department of Applied Science and Technology DISAT, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Federico Cesano
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy; NIS Interdepartment Centre, Via P. Giuria 7, 10125 Torino, Italy
| | - Flavia Franzoso
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
| | - Giuliana Magnacca
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy; NIS Interdepartment Centre, Via P. Giuria 7, 10125 Torino, Italy
| | - Domenica Scarano
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy; NIS Interdepartment Centre, Via P. Giuria 7, 10125 Torino, Italy
| | - Israel G Funes
- Instituto de Investigación en Toxicología Ambiental y Agrobiotecnología, CITAAC (CONICET-UNCo), Facultad de Ingeniería, Universidad Nacional Del Comahue, Buenos Aires 1400, 8300 Neuquén, Argentina
| | - Luciano Carlos
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas, PROBIEN (CONICET-UNCo), Facultad de Ingeniería, Universidad Nacional Del Comahue, Buenos Aires 1400, 8300 Neuquén, Argentina
| | - Maria E Parolo
- Instituto de Investigación en Toxicología Ambiental y Agrobiotecnología, CITAAC (CONICET-UNCo), Facultad de Ingeniería, Universidad Nacional Del Comahue, Buenos Aires 1400, 8300 Neuquén, Argentina.
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Palma D, Bianco Prevot A, Brigante M, Fabbri D, Magnacca G, Richard C, Mailhot G, Nisticò R. New Insights on the Photodegradation of Caffeine in the Presence of Bio-Based Substances-Magnetic Iron Oxide Hybrid Nanomaterials. MATERIALS 2018; 11:ma11071084. [PMID: 29949864 PMCID: PMC6073507 DOI: 10.3390/ma11071084] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 06/19/2018] [Accepted: 06/22/2018] [Indexed: 01/19/2023]
Abstract
The exploitation of organic waste as a source of bio-based substances to be used in environmental applications is gaining increasing interest. In the present research, compost-derived bio-based substances (BBS-Cs) were used to prepare hybrid magnetic nanoparticles (HMNPs) to be tested as an auxiliary in advanced oxidation processes. Hybrid magnetic nanoparticles can be indeed recovered at the end of the treatment and re-used in further water purification cycles. The research aimed to give new insights on the photodegradation of caffeine, chosen as marker of anthropogenic pollution in natural waters, and representative of the contaminants of emerging concern (CECs). Hybrid magnetic nanoparticles were synthetized starting from Fe(II) and Fe(III) salts and BBS-C aqueous solution, in alkali medium, via co-precipitation. Hybrid magnetic nanoparticles were characterized via X-ray diffraction (XRD), thermo-gravimetric analysis (TGA) and Fourier transform infrared (FTIR) spectroscopy. The effect of pH, added hydrogen peroxide, and dissolved oxygen on caffeine photodegradation in the presence of HMNPs was assessed. The results allow for the hypothesis that caffeine abatement can be obtained in the presence of HMNPs and hydrogen peroxide through a heterogeneous photo-Fenton mechanism. The role of hydroxyl radicals in the process was assessed examining the effect of a selective hydroxyl radical scavenger on the caffeine degradation kinetic.
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Affiliation(s)
- Davide Palma
- Department of Chemistry, University of Torino, via P. Giuria 7, 10125 Torino, Italy.
- CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France.
| | | | - Marcello Brigante
- CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France.
| | - Debora Fabbri
- Department of Chemistry, University of Torino, via P. Giuria 7, 10125 Torino, Italy.
| | - Giuliana Magnacca
- Department of Chemistry, University of Torino, via P. Giuria 7, 10125 Torino, Italy.
- NIS (Nanostructured Interfaces and Surfaces) Centre, Via P. Giuria 7, 10125 Torino, Italy.
| | - Claire Richard
- CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France.
| | - Gilles Mailhot
- CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France.
| | - Roberto Nisticò
- Polytechnic of Torino, Department of Applied Science and Technology DISAT, C.so Duca Degli Abruzzi 24, 10129 Torino, Italy.
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Isolation, Characterization, and Environmental Application of Bio-Based Materials as Auxiliaries in Photocatalytic Processes. Catalysts 2018. [DOI: 10.3390/catal8050197] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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13
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Nisticò R, Celi LR, Bianco Prevot A, Carlos L, Magnacca G, Zanzo E, Martin M. Sustainable magnet-responsive nanomaterials for the removal of arsenic from contaminated water. JOURNAL OF HAZARDOUS MATERIALS 2018; 342:260-269. [PMID: 28843795 DOI: 10.1016/j.jhazmat.2017.08.034] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2017] [Revised: 08/11/2017] [Accepted: 08/13/2017] [Indexed: 06/07/2023]
Abstract
In this study, chitosan and bio-based substances (BBS) obtained from composted biowaste were used as stabilizers for the synthesis of magnet-sensitive nanoparticles (NPs) via coprecipitation method. A pyrolysis treatment was carried out on both biopolymers at 550°C, and their consequent conversion into a carbon matrix was followed by means of different physicochemical characterization techniques (mainly FTIR spectroscopy and XRD), whereas magnetic properties were evaluated by magnetization curves. The prepared materials were tested in water remediation processes from arsenic (As) species (both inorganic and organic forms). These tests, explained by means of the most common adsorption models, evidenced that the best performances were reached by both materials obtained after pyrolysis treatments, pointing out the promising application of such magnet-sensitive materials as easy-recoverable tools for water purification treatments.
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Affiliation(s)
- Roberto Nisticò
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy; Polytechnic of Torino, Department of Applied Science and Technology DISAT, C.so Duca Degli Abruzzi 24, 10129 Torino, Italy.
| | - Luisella R Celi
- University of Torino, Department of Agricultural, Forest and Food Sciences, Soil Biogeochemistry, Largo Paolo Braccini 2, 10095 Grugliasco, Italy
| | | | - Luciano Carlos
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas, PROBIEN (CONICET-UNCo), Buenos Aires 1400, Neuquén, Argentina
| | - Giuliana Magnacca
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy; NIS (Nanostructured Interphases and Surfaces) Centre, Via P. Giuria 7, 10125 Torino, Italy
| | - Elena Zanzo
- University of Torino, Department of Agricultural, Forest and Food Sciences, Soil Biogeochemistry, Largo Paolo Braccini 2, 10095 Grugliasco, Italy
| | - Maria Martin
- University of Torino, Department of Agricultural, Forest and Food Sciences, Soil Biogeochemistry, Largo Paolo Braccini 2, 10095 Grugliasco, Italy
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Bianco Prevot A, Baino F, Fabbri D, Franzoso F, Magnacca G, Nisticò R, Arques A. Urban biowaste-derived sensitizing materials for caffeine photodegradation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:12599-12607. [PMID: 27696166 DOI: 10.1007/s11356-016-7763-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 09/21/2016] [Indexed: 06/06/2023]
Abstract
Caffeine-photosensitized degradation has been studied in the presence of bio-based materials derived from urban biowaste after aerobic aging. A peculiar fraction (namely bio-based substances (BBSs)), soluble in all the pH range, has been used as photosensitizing agent. Several caffeine photodegradation tests have been performed, and positive results have been obtained in the presence of BBSs and H2O2, without and with additional Fe(II) (photo-Fenton-like process). Moreover, hybrid magnetite-BBS nanoparticles have been synthesized and characterized, in order to improve the sensitizer recovery and reuse after the caffeine degradation. In the presence of such nanoparticles and H2O2 and Fe(II), the complete caffeine degradation has been attained in very short time. Both homogeneous and heterogeneous processes were run at pH = 5, milder condition compared to the classic photo-Fenton process.
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Affiliation(s)
- A Bianco Prevot
- Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy.
| | - F Baino
- Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy
| | - D Fabbri
- Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy
| | - F Franzoso
- Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy
| | - G Magnacca
- Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy
- NIS Centre, Via Giuria 7, Torino, Italy
| | - R Nisticò
- Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy
| | - A Arques
- Dpto de Ingeniería Textil y Papelera, Universitat Politècnica de València, Plaza Ferrándiz y Carbonell s/n, Alcoy, Spain
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15
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Ballesteros SG, Costante M, Vicente R, Mora M, Amat AM, Arques A, Carlos L, Einschlag FSG. Humic-like substances from urban waste as auxiliaries for photo-Fenton treatment: a fluorescence EEM-PARAFAC study. Photochem Photobiol Sci 2017; 16:38-45. [DOI: 10.1039/c6pp00236f] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fluorescence EEM-PARAFAC has been demonstrated as an effective tool to analyze the performance of photo-Fenton processes using humic-like substances from urban wastes as iron chelating agent.
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Affiliation(s)
- S. García Ballesteros
- Grupo de Procesos de Oxidación Avanzada
- Dpto de Ingeniería Textil y Papelera
- Universidad Politécnica de Valencia
- Alcoy
- Spain
| | - M. Costante
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)
- CCT-La Plata-CONICET
- Universidad Nacional de La Plata
- La Plata
- Argentina
| | - R. Vicente
- Grupo de Procesos de Oxidación Avanzada
- Dpto de Ingeniería Textil y Papelera
- Universidad Politécnica de Valencia
- Alcoy
- Spain
| | - M. Mora
- Grupo de Procesos de Oxidación Avanzada
- Dpto de Matemática Aplicada
- Universidad Politécnica de Valencia
- Alcoy
- Spain
| | - A. M. Amat
- Grupo de Procesos de Oxidación Avanzada
- Dpto de Ingeniería Textil y Papelera
- Universidad Politécnica de Valencia
- Alcoy
- Spain
| | - A. Arques
- Grupo de Procesos de Oxidación Avanzada
- Dpto de Ingeniería Textil y Papelera
- Universidad Politécnica de Valencia
- Alcoy
- Spain
| | - L. Carlos
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos
- Biotecnología y Energías alternativas
- PROBIEN (CONICET-UNCo)
- Neuquén
- Argentina
| | - F. S. García Einschlag
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)
- CCT-La Plata-CONICET
- Universidad Nacional de La Plata
- La Plata
- Argentina
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