SUSTAINABILITY TRANSITION

Environmental Monitoring & Remediation

ACTIVITIES:

Application of a novel coastal exposure assessment approach on the Bonassola bay 
Superhydrophobic coatings can be obtained from recyclable materials for protection in sea environment 
Portable Laser-Based instruments for real-time measurement of pollutants
Photocatalysts for water remediation against emerging and persistant pollutants 
Antifouling and anticorrosion superamphiphobic coating for protection in marine environment 
Electro-sensing of molecules and materials for pollutants abatement and conversion

ACTIVITIES:

Application of a novel coastal exposure assessment approach on the Bonassola bay 
Superhydrophobic coatings can be obtained from recyclable materials for protection in sea environment 
Portable Laser-Based instruments for real-time measurement of pollutants
Photocatalysts for water remediation against emerging and persistant pollutants 
Antifouling and anticorrosion superamphiphobic coating for protection in marine environment 
The study of the combination of alloys, compact and porous, can highlight the capability of some of these binary systems to guarantee lower overvoltage of activation for electrochemical conversion of pollutants (e.g. nitrate) in valuable species (e.g. ammonia) or harmless molecules (e.g. molecular nitrogen) 
Different porous and compact alloys were prepared by electrodeposition and were tested for the electrochemical conversion of pollutants (e.g. nitrate, nitrite) in valuable species (e.g. ammonia) or harmless molecules. Ru-based catalysts, prepared by electrodeposition and/or galvanic exchange, were prepared and tested for methanation of CO2 in gas-phase; the obtained results confirmed good activity. 
Electrodeposition of Ni−Rh Alloys and their Use as Cathodes for Nitrate Reduction

APPLICATION OF A NOVEL COASTAL EXPOSURE ASSESSMENT APPROACH ON THE BONASSOLA BAY

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SUPERHYDROPHOBIC COATINGS CAN BE OBTAINED FROM RECYCLABLE MATERIALS FOR PROTECTION IN SEA ENVIRONMENT

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PORTABLE LASER-BASED INSTRUMENTS FOR REAL-TIME MEASUREMENTS OF POLLUTANTS

The study of pollutant emissions is of great interest for their impact on human health and environment, as well as in the framework of a circular economy approach. Big efforts are spent to measure, characterize and monitor these emissions.

To answer this need, at ICMATE we develop extremely sensitive laser-based portable instrumentation for on-line measurements of carbon nanoparticles and heavy metals at the exhaust of combustion systems and in the environment. Our solutions offer real-time measurements of particles concentration and unparalleled dynamic range.

We have designed a portable high sensitivity instrument based on two-color laser-induced incandescence (LII) technique for carbon nanoparticles detection. The instrument is suitable for field campaigns at the exhaust of combustion systems (e.g. power plants, wood/pellet stoves) as well as for black carbon indoor and/or outdoor monitoring, thanks to a low detection limit closed to 200 ng/m3

We are currently developing a new portable instrument based on Laser-induced breakdown spectroscopy (LIBS) which is meant to fill the gap in the commercial instrumentation for on-line monitoring of heavy metals in aerosol phase.

Relevant publications:

D. Ciniglia, F. Migliorini, R. Dondè, P Diwakar, S. De Iuliis, “Loading effect of matrix compounds in aerosol LIBS measurements”, Spectrochimica Acta-Part B (2023) 208, 106784. DOI: 10.1016/j.sab.2023.106784.

F. Migliorini, S. Belmuso, D. Ciniglia, R. Dondè, S. De Iuliis, “A double pulse LII experiment on carbon nanoparticles: insight into optical properties”, Physical Chemistry Chemical Physics (2022) 24 (33), pp. 19837-19843. ISSN:1463-9076. DOI: 10.1039/d2cp02639b.

F. Migliorini, S. Belmuso, D. Ciniglia, R. Dondè, S. De iuliis, “Laser irradiation of differently aged carbon nanoparticles: effect on optical properties”, Applied Physics B: Laser and Optics B (2023) 129(8), 133, DOI: 10.1007/s00340-023-08078-9.

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PHOTOCATALYSTS FOR WATER REMEDIATION

Pollutants have long been underestimated in terms of their impact on the environment and health, but awareness has risen in recent decades, prompting laws and recognition of new pollutants. There is now an urgent need to assess the effects of emerging pollutants (EPs) and develop remediation strategies. Photocatalytic approaches are of particular interest because they do not require external chemicals, relying instead on a photocatalyst activated by UV, visible, or solar light to break down pollutants into harmless substances like carbon dioxide and water.

ICMATE specializes in producing these photocatalysts in powder form or grafted onto inert supports. They use wet methods with minimal solvents for powders and techniques like MOCVD, PECVD, and ALD for supported photocatalysts. These are then analyzed and tested for their effectiveness in degrading EPs.

Relevant publications:

A. Galenda, M.M. Natile, N. El Habra, “Large-Scale MOCVD Deposition of Nanostructured TiO2 on Stainless Steel Woven: A Systematic Investigation of Photoactivity as a Function of Film Thickness”, Nanomaterials 12 (2022) 992. DOI: 10.3390/nano12060992
A. Galenda, F. Visentin, R. Gerbasi, M. Favaro, A. Bernardi, N. El Habra, “Evaluation of self-cleaning photocatalytic paints: are they effective under actual indoor lighting systems?”, Applied catalysis. B, Environmental 232 (2018) 194-204. DOI: 10.1016/j.apcatb.2018.03.052

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ANTIFOULING AND ANTICORROSION SUPERAMPHIPHOBIC COATING FOR PROTECTION IN MARINE ENVIRONMENT

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THE STUDY OF THE COMBINATION OF ALLOYS, COMPACT AND POROUS, CAN HIGHLIGHT THE CAPABILITY OF SOME OF THESE BINARY SYSTEMS TO GUARANTEE LOWER OVERVOLTAGE OF ACTIVATION FOR ELECTROCHEMICAL CONVERSION OF POLLUTANTS (E.G. NITRATE) IN VALUABLE SPECIES (E.G. AMMONIA) OR HARMLESS MOLECULES (E.G. MOLECULAR NITROGEN)

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DIFFERENT POROUS AND COMPACT ALLOYS WERE PREPARED BY ELECTRODEPOSITION AND WERE TESTED FOR THE ELECTROCHEMICAL CONVERSION OF POLLUTANTS (E.G. NITRATE, NITRITE) IN VALUABLE SPECIES (E.G. AMMONIA) OR HARMLESS MOLECULES. RU-BASED CATALYSTS, PREPARED BY ELECTRODEPOSITION AND/OR GALVANIC EXCHANGE, WERE PREPARED AND TESTED FOR METHANATION OF CO2 IN GAS-PHASE; THE OBTAINED RESULTS CONFIRMED GOOD ACTIVITY.

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ELECTRODEPOSITION OF NI−RH ALLOYS AND THEIR USE AS CATHODES FOR NITRATE REDUCTION

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ELECTRO-SENSING OF MOLECULES AND MATERIALS FOR POLLUTANTS ABATEMENT AND CONVERSION

Developing internal expertise in the preparation of nanostructured porous metals or alloys for catalytic and electrocatalytic applications has driven us toward the synthesis of materials capable of functioning as electrosensors for the detection and quantification of specific molecules. We have demonstrated the feasibility of this approach through the electrodeposition of compact and porous Ag, acting as an amperometric sensor for H₂O₂, and porous Cu, Cu-Ni, and Rh-modified Cu films, serving as electrochemical sensors for NO₃^– quantification.

Additional applications of bimetallic alloys, synthesized through simple electrochemical procedures, include their use as cathodes for pollutant abatement, highlighting their ability to achieve fast and selective conversion into high-value compounds, such as the electrochemical reduction of nitrates into ammonia.

Relevant publications:

Mattarozzi et al., “Electrodeposition of Ni Rh Alloys and their Use as Cathodes for Nitrate Reduction in Alkaline Solutions”, ChemElectroChem, 2023, 10, e202201122. DOI: 10.1002/celc.202201122
Comisso et al., “Study of Cu, Cu-Ni and Rh-modified Cu porous layers as electrode materials for the electroanalysis of nitrate and nitrite ions”, Journal of Solid State Electrochemistry, 2016, 20, 1139-1148. DOI: 10.1007/s10008-015-2915-7
Mattarozzi et al., “Preparation of porous nanostructured Ag electrodes for sensitive electrochemical detection of hydrogen peroxide”, Electrochimica Acta, 2016, 198, 296-303. DOI: 10.1016/j.electacta.2016.03.084

Working group:

Environmental Monitoring & Remediation

APPLICATION OF A NOVEL COASTAL EXPOSURE ASSESSMENT APPROACH ON THE BONASSOLA BAY

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SUPERHYDROPHOBIC COATINGS CAN BE OBTAINED FROM RECYCLABLE MATERIALS FOR PROTECTION IN SEA ENVIRONMENT

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PORTABLE LASER-BASED INSTRUMENTS FOR REAL-TIME MEASUREMENTS OF POLLUTANTS

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PHOTOCATALYSTS FOR WATER REMEDIATION

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ANTIFOULING AND ANTICORROSION SUPERAMPHIPHOBIC COATING FOR PROTECTION IN MARINE ENVIRONMENT

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ELECTRODEPOSITION OF NI−RH ALLOYS AND THEIR USE AS CATHODES FOR NITRATE REDUCTION

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ELECTRO-SENSING OF MOLECULES AND MATERIALS FOR POLLUTANTS ABATEMENT AND CONVERSION

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Link Istituzionali

CNR – ICMATE

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