Maria Giovanna Buonomenna's research while affiliated with National Order of Biologists and other places

Publications (71)

Article
Full-text available
Heavy metal pollution represents an urgent worldwide problem due to the increasing number of its sources; it derives both from industrial, e.g., mining, metallurgical, incineration, etc., and agricultural sources, e.g., pesticide and fertilizer use. Features of membrane technology are the absence of phase change or chemical additives, modularity an...
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Full-text available
The continuous demand for energy-critical elements such as lithium, cobalt, uranium and so on will soon exceed their availability increasing further their significance of geopolitical resources. Seawater is a relevant, not conventional source of critical metals. Synthetic membranes with subnanometer pores are the core of processes such as desalinat...
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Reverse electrodialysis (RED) is one of the most promising membrane-based technologies for renewable energy generation by mixing two solutions of different salinity. This chapter presents a critical review of the most relevant achievements in RED focusing not only on membranes, but also on stack design, process, and applications because to make use...
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Synthetic membranes are used in many applications such as desalination, food processing, filtration, dialysis, and other industrial, medical, and environmental applications due to low energy requirements, compact design, modularity, small footprint, and easy maintenance. New applications are emerging from the water-energy nexus and environmental ne...
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Redox flow batteries (RFBs), in particular aqueous redox flow batteries, are one of the most promising electrochemical energy storage systems for the large-scale storage applications. As a key component of a RFB, the membrane has a crucial role on battery performance. However, the membrane is strictly related to the other key components of a RFB, i...
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Pressure-retarded osmosis (PRO) can convert difference in salinity between two streams into energy as it allows water transport through a semipermeable membrane against the application of hydraulic pressure. So it gained attention due to its use as a salinity-gradient energy-generating membrane process. However, development of high-performance PRO...
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One key requirement for industrial gas separation membranes is processability. To harness the processability of polymers while simultaneously overcoming the upper bound trade-off between permeability and selectivity, inorganic materials first and more recently also molecular organic frameworks (MOFs) have been added to polymers to form hybrid mater...
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In this chapter, an overview of some key polymer classes for nanostructured gas separation membranes is given: perfluoropolymers, poly(norbornene)s (PNBs), polymers of intrinsic microporosity (PIMs), and thermal rearranged polymers (TRs). For each one of these interesting four classes of polymer materials for membrane gas separation, new advances i...
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Nowadays, membranes are key components in various relevant fields [...]
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Low cost batteries are required in order to advance towards smart electric grids that integrate discontinuous energy flow from renewable sources such as solar energy and wind power. For these specific applications, moving beyond lithium batteries to sodium is an advantageous step that offers cost-effectiveness being sodium, unlike lithium, one of t...
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In the present chapter, an overview of novel composite membranes for wastewater treatment is given. Modification of conventional thin-film composites (TFCs), thin-film nanocomposite membranes (TFNs), and nanostructured composite membranes forming nanodomains are three possible strategies to obtain composite membranes with outstanding performance in...
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In this work, an overview of the interconnections between membrane technology and renewable energy sources (biomass, salinity gradient power, wind, solar) is given. Regarding biomass, membrane processes such as membrane reactors and bio-reactors, membrane contactors, membrane distillation in the logic of process intensification strategy may be oppo...
Article
Lithium ion batteries are the key components of the portable, entertainment, computing and telecommunication equipment required by today’s information-rich and mobile society. Highly flexible batteries would free product designers from the constraints of rigid and predetermined forms. In addition, powerful and light-weight batteries made from inher...
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New nanostructured hybrid membranes for gas separation have been prepared and characterized for the first time in the literature by using a block copolymer, poly(styrene-b-butadiene-b-styrene) (SBS), and aminated SBA-15. Short mesopore channels, platelet SBA-15 particles with a high surface density of 3-aminopropyl grafts (3.8 nm�2) and modest surf...
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Nowadays, the most promising technology to desalinate seawater is reverse osmosis (RO), which is experiencing significant growth.Over the past few decades remarkable advances have been made in the preparation of RO membranes from different materials. In addition to ongoing research into conventional polymeric RO membrane materials, nanotechnology h...
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This review gives an overview of the key results in various fields of membrane technology with special emphasis to their exploitation in sustainable industrial applications. Considerable progress has been made in short time in a number of important application areas: membrane technology and engineering for water treatment, gas separation, purificat...
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The intrinsic characteristics of a membrane process, i.e. efficiency and operational simplicity, high selectivity and permeability for the transport of specific components, compatibility between different membrane operations in integrated systems, low energetic requirements, easy control and scale-up, and high operational flexibility, might be deci...
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Full-text available
Microspheres (MCs) of different polymers, such as poly(ether sulfone) (PES), polyetheretherketone with card, with and without pore formers, were prepared by the non-solvent–induced phase separation (NIPS) process. The polymers were solubilized in different types of solvents, such as dimethyl formamide (DMF), dimethylsulfoxide (DMSO), N-methylpyrrol...
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We report on our latest studies on alignment of chromonic liquid crystals, a special class of molecules which recently attracted the attention of researchers. In particular, we show a detailed study of planar anchoring of disodium cromoglycate (DSCG) and, for the first time in the literature, a stable homeotropic alignment, achieved using a surface...
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The preparation and characterization of new, tailor-made polymeric membranes using poly(styrene-b-butadiene-b-styrene) (SBS) triblock copolymers for gas separation are reported. Structural differences in the copolymer membranes, obtained by manipulation of the self-assembly of the block copolymers in solution, are characterized using atomic force m...
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Membrane reactors are generally applied in high temperature reactions (>400 °C). In the field of fine chemical synthesis, however, much milder conditions are generally applicable and polymeric membranes were applied without their damage. The successful use of membranes in membrane reactors is primary the result of two developments concerning: (i) m...
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In the present work the effect of the nanoscale morphology on the transport of ethanol/water mixtures through SBS block copolymer membranes is reported. In particular, the ethanol selectivity and overall flux can be optimized by varying the nanostructure of the SBS membranes. Membranes with well controlled nanostructure, characterized by AFM and TE...
Article
Asymmetric membranes based on a poly(ether ether ketone) with a phthalido group along the polymeric backbone (PEEKWC) were prepared by non-solvent induced phase separation. Three chlorinated solvents (i.e. chloroform, dichloromethane and 1,2-dichloroethane – TCM, DCM and DCE in the following), at fixed evaporation times between casting and coagulat...
Article
A poly(ether ether ketone) with a phthalido group along the polymeric backbone (PEEKWC) is used to prepare asymmetric membranes for organic solvent nanofiltration, with chemical stability and high retention of organic solute molecules. Integrally skinned asymmetric PEEKWC membranes were fabricated from concentrated solutions by phase separation ind...
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IntroductionBrief ReviewExplanation of the Phase Inversion ProcessSome ApplicationsConclusions References
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Nowadays, polymeric membranes have been used successfully in a wide range of large-scale industrial applications. The use of membranes in industry is primary the result of two developments: (1) in membrane materials and (2) in membrane structures, both followed by the step of large-scale membrane production. The selection of a suited material and a...
Article
Polymeric membranes embedding a metal complex have been previously employed as reusable catalysts under relatively mild conditions. Herein, the first example of a polymeric catalytic membrane employed under very forcing conditions (160 °C and 5 MPa CO) is reported. The reaction investigated was the redn. of nitrobenzene to aniline by CO/H2O, catal...
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IntroductionMaterials and Methods Results and DiscussionConclusions AcknowledgementsReferences
Article
In this paper we report the prepn. of catalytic polymeric membranes having the complex [(N,N'-bis(3-tert-butyl-5-(heptadecafluorooctyl)salicylidene)-trans-1,2-cyclohexanediamine)Co] embedded into Hyflon AD60X, PES and PSf and their use in the cyclopropanation reaction of olefins with Et diazoacetate (EDA). A study of the reaction in the homogeneous...
Article
In this work the use of poly(vinylidene) fluoride based membrane as interfaces for the biphasic oxidation of benzyl alcohol to benzaldheyde has been reported. The membranes have been prepared by means of dry-wet phase inversion. Membranes with different surface characteristics have been selected for the oxidation reaction.
Article
Polymeric catalytic membrane reactors (PCMRs) combine a polymeric membrane that controls transfers and a catalyst that provides conversion. This review focuses on the polymeric membrane. Depending on the application, the micro-environment of the catalyst in the PCMR may be quite different from that existing in conventional reactors. This could orig...
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In this work, the use of PVDF flat membranes as contactors for direct solvent-free biphasic oxidation of cyclohexene to adipic acid has been reported. The oxidation has been carried out using 30% H2O2 and ammonium molybdate ((NH4)6Mo7O24) in the presence of succinic acid. The effect of different membranes as interfaces between the organic phase, co...
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The research of new polymeric materials for membrane application in the field of nanofiltration is of great interest. PEEKWC, a modified polyetheretherketone with a cardo group, is a polymer characterized by high thermal, chemical and mechanical properties and then useful for application in the nanofiltration field. In this work, the preparation an...
Article
Polymeric nanofiltration membranes were prepared modifying via low temperature plasma treatment flat membranes based on a modified poly(ether ether ketone) (PEEKWC). PEEKWC membranes, prepared using wet phase inversion using methanol (M2m) and 1-butanol (M2b) as internal non-solvent, were further plasma surface modified (RF 13.56 MHz) introducing a...
Article
In this work, polyvinilydene fluoride (PVDF) microcapsules were prepared by using combined emulsion and phase inversion techniques. With this method, microcapsules with different diameters and porosities have been obtained by just controlling the diameter of the membrane used during the preparation. Using a PVDF solution containing the oxidation ca...
Article
Alcohol oxidations are typically performed with stoichiometric reagents that generate hazardous waste and are usually run in halogenated solvents. A biphasic water−alcohol system with a hydrophobic PVDF membrane at the interface, operating in a flat membrane reactor, is a new solution for the selective oxidation of benzyl alcohol (BzOH) to benzalde...
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In this study, we report on the preparation, characterization and use of new catalytic polymeric microcapsules for the selective oxidation of benzyl alcohols to benzaldehydes. The catalyst, ammonium molybdate tetrahydrate, was entrapped inside modified polyetheretherketone (PEEKWC) polymeric microcapsules during their preparation. Catalytic activit...
Article
This rapid communication reports a summary of the key findings of preparation and characterization of new polymeric membranes for nanofiltration of organic compounds. A series of nanoporous asymmetric membranes of PEEKWC, a modified poly(etheretherketone) was prepared by means of the dry–wet phase inversion method. In particular, the type and conce...
Article
Novel polyvinylidene fluoride (PVDF) porous microcapsule membranes were successfully prepared with non-solvent induced phase inversion method for the immobilization of catalyst ammonium molybdate tetrahydrate ((NH4)6Mo7O24·4H2O).The chemical–physical analysis of the new PVDF catalytic microcapsules was carried out by means of SEM, EDX, IR, DSC and...
Article
In this paper we report the prepn. of catalytic membranes having the complex Ru(4-(CF3)TPP)CO (1) (TPP = dianion of tetraphenylporphyrin) embedded in the perfluorinated polymer Hyflon AD60X and their use in the aziridination reaction of olefins by aryl azides. The heterogeneous membrane catalysts afforded high selectivities in aziridine (90-99%). I...
Article
A new clean catalytic process for the selective oxidation of benzyl alcohol with hydrogen peroxide to benzaldehyde has been studied. Neither solvent nor promoters are needed: a polymeric microporous membrane acts as a barrier to “keep in contact” the two phases: the organic phase, containing the substrate and the product, and the aqueous phase with...
Article
In this work, the ruthenium porphyrin complex Ru(4-(CF3)TPP)CO (1) (TPP = dianion of tetraphenylporphyrin) was entrapped into polymeric membranes during the phase inversion process to obtain new heterogeneous catalysts for aziridination reactions. In order to study the effect of the polymeric environment on the activity of the metallic complex, sym...
Article
In this work, we report a novel method for selective oxidation of benzyl alcohols to benzaldehydes. Neither solvent nor promoters are needed: a polymeric microporous membrane acts as a barrier to "keep in contact" the two phases: the organic phase containing the substrate, benzyl alcohols and the products, benzaldehydes and the aqueous phase with t...
Article
New nanofiltration membranes were prepared by non-solvent-induced phase inversion from a PVDF/DMF/water system. The effect of exposure time before coagulation on the membrane characteristics (morphology, thickness, overall porosity, tensile strength) was investigated. PVDF membrane prepared at a fixed exposure time of 45s (PF45) was further plasma...
Article
New heterogeneous oxidation catalysts have been obtained by immobilizing sodium tungstate (Na2WO4) on plasma-treated poly(vinyldene difluoride) (PVDF) membranes. This new generation of catalytically active membranes has been developed by coupling the advantages of low temperature plasma modification processes with surface chemical immobilization re...
Article
Novel catalytic membranes were developed by coupling low-temperature plasma treatments with the chemical immobilization of W-based catalysts. Poly(vinylidene fluoride) membranes were pre-treated with Ar, and then treated with NH3 radiofrequency glow discharges in order to obtain a surface rich in amino groups, which are suitable anchor sites for th...
Article
Flat membranes with controlled morphology, pore dimensions, mechanical properties and crystal structure were prepared by wet and dry wet phase inversion from polyvinylidene fluoride (PVDF). The effects of several parameters such as precipitation temperature, composition of the polymer solution (concentration, type of solvent), exposure time before...
Article
In recent years the study of new materials in the field of catalysis has been attracted the attention of scientific world in order to prepare catalysts more stable, selective and with the possibility of their easy recovery and recycle. In this work we investigated the preparation and characterization of new catalytic polymeric membranes based on PV...
Article
The study of catalytic membranes is a multidisciplinary activity, which in recent years has attracted the attention of scientists in a number of disciplines, including material science, chemistry and chemical engineering. Membrane based reactive separation processes, which seek to combine two distinct functions, i.e. reaction and separation, have b...
Article
A new generation of catalytically active membranes for secondary amine oxidation and phenol degradation has been developed by coupling the advantages of low-temperature plasma-modification processes with surface chemical immobilization reactions of catalysts. Poly(vinylidene fluoride) membranes have been modified with NH(3) radiofrequency glow disc...
Article
A series of high flux asymmetric membranes of PEEKWC, a modified poly(ether ether ketone), was prepared by the dry–wet phase inversion method. The polymer concentration in the casting solution, the type of external nonsolvent, the type and concentration of internal nonsolvent and the casting conditions (temperature and evaporation time) were optimi...
Article
Cited By (since 1996):14, Export Date: 17 May 2013, Source: Scopus, CODEN: DSLNA, :doi 10.1016/j.desal.2005.09.024, Language of Original Document: English, Correspondence Address: Jansen, J.C.; Research Institute on Membrane Technology (ITM-CNR), Via P. Bucci, Cubo 17/c, 87030 Rende, CS, Italy; email: jc.jansen@itm.cnr.it, References: Kurdy, J., Tr...
Article
New heterogeneous oxidation catalysts have been obtained by entrapping Ti(IV)/trialkanolamine complexes within polymeric membranes. The catalytic membranes were prepared by a nonsolvent-induced phase-inversion technique. Three polymers, polyvinylidene fluoride (PVDF), a modified polyetherketone (PEEK-WC), and polyacrylonitrile (PAN), with different...
Article
A facilitated transport study in supported liquid membranes (SLM) using the extraction reagents di-2-ethylexilfosphoric acid (D2HEPA), dinonylnaftalene sulfuric acid (DNNSA), and a novel complexing agent, trimethyl cis,cis-1,3,5-tripropyl-1,3,5 cyclohexenetricarboxilic acid (TTCHTCA) as carriers has been carried out. Organic solvents with different...
Chapter
The incorporation of chiral homogenous catalyst, Ti(IV)/(R,R,R)-tris-(2-phenylethanol)amine, in polymeric membranes provided the first asymmetric catalytic Ti(IV)based membranes, stable and efficient as heterogeneous catalysts for stereoselective sulfoxidations and chemoselective oxidations of secondary amines to nitrones by alkyl hydroperoxides. P...
Article
The incorporation of homogenous Ti(IV)/trialkanolamine catalyst in polymeric membranes provided new polymeric catalytic Ti(IV)-based membranes, stable and efficient as heterogeneous catalysts for chemoselective oxidations of secondary amines to nitrones by alkyl hydroperoxides. Polyvinylidene fluoride (PVDF)-based catalytic membranes gave the best...
Article
Membranes with controlled morphology were prepared by wet phase inversion from PEEKWC, a modified polyetheretherketone. Different membrane structures were obtained by using different nonsolvent/solvent pairs. The influence of several parameters, such as the composition of the polymer solution (concentration, type of solvent), the composition of the...
Article
The aim of this work was the study of the application of membrane concentration to exhausted tanning baths from vegetable tannage operations in order to increase the tannin/non-tannin (T/NT) ratio and obtain recyclable material. For this purpose four samples of tanning baths at different T/NT ratios (from 0.7 to 1.4) were processed using six differ...
Article
Full-text available
A rational use of water in the leather industry is described by applying the criteria of "clean technologies" by means of membrane processes. A nanofiltration (NF) process was used for recovering tannins and water from exhausted baths and reusing them as tanning agents and washings. Results of experiments performed on laboratory and semi-industrial...
Article
Ion-size recognition of three trivalent metal ions (Fe(III), Al(III), Cr(III)) with 3-phenyl-4-acyl-5-isoxazolones derivatives has been studied by the liquid-liquid extraction method. The diffusion of the corresponding complexes with Fe(III) in supported liquid membrane (SLM) system has been evaluated. It was found that the selectivity improves as...
Article
The good solubility of PEEKWC in a variety of organic solvents, from rather polar and nonvolatile to volatile and relatively non polar, allowed the preparation of membranes with different morphologies via the NIPS technique. The morphologies obtained range from highly porous nearly symmetric spongy and asymmetric membranes(DMA) for micro- and ultra...
Article
A rapid and reproducible method for the determination of tannins in vegetable tanning baths is proposed as a modification of the BSA method for grain tannins existing in literature. The protein BSA was used instead of leather powder employed in the Filter Method, which is adopted in Italy and various others countries of Central Europe. In this rapi...

Citations

... Renewable energy-driven energy storage devices have been recognized as a powerful solution to minimize the depletion of fossil fuels, solely responsible for severe environmental threats such as global warming and air pollution [1][2][3][4][5]. Electrochemical energy research attracts enormous attention as a component of practical applications like batteries, fuel cells, and supercapacitors, utilizing conversion and storage of renewable energy into electrochemical energy [5][6][7][8][9][10][11]. ...
... In fact, in the past years, many efforts have been addressed to develop membranes with high water-salt selectivity, i.e., ultra-high water-solute selectivity with the final aim to ensure higher water quality avoiding post-treatment steps owing to the high retention of all the solutes [36]. Interfacial polymerization (IP) (one of the most used membrane fabrication techniques) to fabricate thin-film composite (TFC) membranes [37], has been developed and performed to improve water-solute selectivity, but without control of the pores to produce ion-ion-selectivity. ...
... In this context, polyvinylidene fluoride (PVDF) membranes have been studied for various applications [8][9][10][11][12] , but the literature lacks reports about the use of PVDF in the regeneration of bony tissue. With regard to the anti-bacterial property of PVDF membrane 13 , this study investigated the maximum incorporation of HAP in this type of membrane and analyzed the results of the assays and tests considered basic for the application of PVDF/HAP composites as barriers against bone defects. ...
... Phase inversion refers to the conversion from a homogeneous polymer solution to a three-dimensional porous gel polymer under external conditions, often accompanied by the transformation of solvent and non-solvent. Phase inversion can occur in various ways, such as non-solvent induced phase separation (NIPS), thermally induced phase separation (TIPS), solvent evaporation phase inversion and vapor deposition phase inversion (Buonomenna et al. 2011). NIPS and TIPS are two most commonly used methods (Fig. 7). ...
... -High capital costs -Loss and obstruction energy. Buonomenna & Bae (2015); Zhao et al. ...
... Polymeric microspheres are small spherical micro particles, with a wide variety properties such as bulk total interfacial area, large inner volume, spherical shape and be ter stability suitable for chemical loading [54]. They are used in significant applicatio such as controlled release of encapsulated drugs, masking of odor and/or taste of enca sulating materials and isolation of encapsulating materials. ...
... Carbon membranes may have better sieving effect compared to polymeric membranes. Some previous critical reviews on the advantages of carbon membranes for gas separation can be found elsewhere [7][8][9][10][11][12][13][14]. Regarding the cost per unit area of carbon membranes, it was estimated to be 1 to 3 orders of magnitude higher than that of polymeric membranes [15]. ...
... Styrene-butadiene-styrenes are block triblock copolymers with rubbery structure that are commercially available either as thermoplastic (60-80 wt%) or as ductile thermoplastic with 20 to 30 wt% butadiene fraction. 32 A pure ductile thermoplastic type (28 wt%) styrene with an average molecular weight of around 1.8 × 10 5 g mol −1 was used. SBS membrane was prepared from pure 15% polymer SBS solution. ...
... As a consequence, fundamental research has been carried out regarding the improvement and understanding of technological and safety related aspects. [1][2][3][4][5][6][7][8] Individual applications demand specifically tailored batteries in order to maximize the performance of the device which depicts a great challenge and opportunity for the scientific community to diversify the spectrum of compounds that can be utilized and to adapt the setup in a fast and efficient manner. 9,10 In this respect, the electrolyte, as a multifunctional battery component, can consist of a wide array of compounds such as different solvents, conductive salts and numerous additives. ...
... Economic methane recovery from high-N 2 natural gas may be possible with membranes with such a high separation factor. For post-combustion capture of carbon dioxide, the unique hybrid membranes created in this study permit further investigation as a viable commercial solution with an optimal CO 2 /N 2 selectivity of 53 and a CO 2 permeability of 173 (Buonomenna et al., 2013). ...