Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Settore CHEM-04/A - Chimica industriale"”.
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Glycerol Oxidation with Zeolite and Hierarchical Zeolite as Catalysts and Electrocatalysts
… To overcome this, glycerol conversion through chemical and electrochemical oxidation toward more valuable products is a promising path. In the present PhD thesis different materials and processes were developed for the thermal catalytic oxidation and the electrochemical oxidation reaction of …
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Bio based photocurable polymers for advanced applications
… to its availability, structural versatility, and chemical functionality, and was integrated into photocurable systems and additive manufacturing technologies. The first part of the thesis introduces the fundamentals of photopolymerization, photocurable polymer systems, and their role in additive …
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AMPHOTERIC POLYAMIDOAMINES AS FUNCTIONAL SPECIALTY POLYMERS
This doctoral research centered on the synthesis and characterization of amphoteric polyamidoamines in both linear and cross-linked forms. The study is organized into two main thematic lines, each comprising multiple projects. The first one was to evaluate the potential environmental impact of …
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ELECTROCHEMICAL ORGANIC TRANSFORMATIONS: FROM THE DEVELOPMENT OF ENANTIOSELECTIVE STRATEGIES TO CONTINUOUS-FLOW METHODOLOGIES
… and scalability. This thesis explores electrochemical strategies for C(sp2)-C(sp3) bond formation, rearrangements, and C-Cl bond construction in both aliphatic and (hetero)aromatic frameworks. In the first part, the enantioselective α-chlorination of aldehydes is revisited by replacing …
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ELECTROCHEMICAL METHODS FOR THE SUSTAINABLE RECOVERY OF GADOLINIUM FROM MRI CONTRAST AGENTS AND FOR THE FABRICATION OF GADOLINIUM-RICH NANOPARTICLES.
… this issue, this work explores two electrochemical strategies aimed at the sustainable recovery and reuse of Gd: a degradation method for GBCAs in various matrices, and the synthesis of Gd-containing nanoparticles starting from GBCA model compounds. In the first approach, electrochemical …
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SYNTHESIS OF EFFICIENT PHOTOCATALYSTS IN EXTREME TEMPERATURE CONDITIONS FOR THE DEGRADATION OF AIR POLLUTANTS.
… stage, such as sol-gel, solid-state, and sonochemical (in ascending order of sustainability), emerged as the most eco-friendly approaches for STO fabrication. These insights provided valuable guidance for the continued development of sustainable, novel, and efficient STO-based photocatalysts …
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PEROVSKITE PHOTOCATALYSTS FOR THE DECOMPOSITION OF ODOR MOLECULES
… where Ag0 NPs were initially synthesized through chemical reduction and then applied to the previously synthesized STO sample. The second approach involved incorporating the Ag NPs directly during the STO synthesis process from the beginning. The photocatalytic performance of these series of …
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CO AND CO2 HYDROGENATION BY FISCHER TROPSCH SYNTHESIS PROMOTED WITH IRON BASED HETEROGENEOUS CATALYSIS: DATA COLLECTION AND PROCESS DESIGN
… to mitigate CO2 is its conversion into fuels and chemicals through processes such as Fischer–Tropsch (FT) synthesis. Traditionally, FT relies on syngas (CO/H2) over transition-metal catalysts, but the direct hydrogenation of CO2 has been less explored, particularly with Fe-based heterogeneous …
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DEVELOPMENT OF NEW METHODOLOGIES AND PRACTICES TO REDUCE THE ENVIRONMENTAL IMPACT IN THE PRODUCTION OF CERAMIC MATERIALS
… this thesis explores integrated electrochemical and photocatalytic approaches for sustainable hydrogen production and advanced wastewater treatment. By coupling the anodic oxidation of nitrogen- and pharmaceutical-based pollutants with cathodic hydrogen evolution, the research proposes a …
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LUMINESCENT 2D COORDINATION NETWORKS (CNS): STRUCTURAL AND EXFOLIATION STUDIES
After the discovery of graphene in 2004, the scientific community has increasingly focused on the investigation of two-dimensional (2D) materials, with the objective of integrating them into new technologies and devices while minimizing their environmental impact. Within the field of materials …
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NEW GO- AND RGO-BASED MORALS AND CARBENE-FUNCTIONALIZED GOLD NANOPARTICLES FOR HETEROGENEOUSLY CATALYZED REDUCTIONS
… diversified by subjecting graphene oxide to chemical reduction, yielding reduced graphene oxide (RGO) and enabling a direct comparison between the two different modifications. All synthesized materials were thoroughly characterized using a variety of analytical techniques aimed at elucidating …
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NEW BIOCATALYTIC PLATFORMS FOR THE SYNTHESIS OF HIGHLY VALUABLE COMPOUNDS THROUGH INTENSIFIED BIOPROCESSES
… in a more sustainable way compared to classical chemical synthesis, focusing the research on alcohols oxidation, synthesis of nitriles and de-glycosylation of glycosides. A particular effort has been devoted towards the study of the best immobilisation solutions for the different biocatalysts …