Publications by authors named "Carlo Groffils"
The search for sustainable alternatives for use in chemical synthesis and catalysis has found an ally in non-conventional energy sources and widely available green solvents. The use of glycerol, an abundant natural solvent, as an excellent "sacrificial" hydrogen source for the copper-catalyzed microwave (MW)-promoted transfer hydrogenation of nitrobenzene to aniline has been investigated in this work. Copper nanoparticles (CuNPs) were prepared in glycerol and the efficacy of the glycerol layer in mediating the interaction between the metal active sites has been examined using HRTEM analyses.
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- Recent advancements in concrete recycling focus on new techniques to effectively separate aggregates from cement matrix.
- The study compares four treatment processes, particularly standard mechanical crushing (SMT) and electrodynamic fragmentation (EDF), to assess their effectiveness in liberating aggregates.
- Findings show that EDF outperforms SMT by fully liberating 37% of larger aggregates compared to only 14-16% with SMT, and microwave pre-treatment enhances liberation effects only when used with SMT.