Encontrados 5 documentos, a visualizar página 1 de 1
Ionic-liquid-processed keratin-based biocomposite films with cellulose and chit...
Polesca, C; Passos, H; Nakasu, PYS; Coutinho, JAP; Freire, MG; Hallett, JPPoultry is a widely consumed meat worldwide; however, its industrial processing generates a significant amount of feather waste. Since the major component of chicken feathers is keratin (90 wt%), this study focused on using acetate-based ionic liquids (ILs) to fully dissolve chicken feathers and recover keratin, using a sustainable and cost-effective approach, ultimately allowing waste valorisation. The recover...
Repurposing Kraft black Liquor as Reductant for Enhanced Lithium-Ion Battery Le...
Carreira, ARF; Nogueira, AFM; Rocha, ILD; Sosa, F; Lopes, AMD; Passos, H; Schaeffer, N; Coutinho, JAPThe economic advantages of H2SO4 make it the acid of choice for the hydrometallurgical treatment of waste lithium-ion batteries (LIBs). However, to facilitate the full dissolution of the higher valency metal oxides present in the cathode black mass, a suitable reducing agent is required. Herein, the application of industrial black liquor (BL) obtained from the Kraft pulping for papermaking is investigated as a ...
Valorisation of red beet waste: one-step extraction and separation of betalains...
Rosa, ME; Ferreira, AM; Neves, CMSS; Almeida, MT; Barros, R; Cristovão, AC; Sousa, Ana Catarina; Reis, PM; Rebelo, LPN; Esperança, JMSS; Coutinho, JAPGlobally, up to 50% of root crops, fruits and vegetables produced is wasted. Beetroot stems and leaves fit into this scenario, with only a small fraction being used in cattle food. One way of approaching this problem is through their valorisation, by extracting and recovering valuable compounds present in this type of waste that could be used in other applications, while contributing towards a circular economy....
Prediction of Ionic Liquids Properties through Molecular Dynamics Simulations
Batista, MLS; Coutinho, JAP; Gomes, JRBIonic liquids (ILs) are a new generation of molten salts possessing unique physical and chemical properties, which have gained attention from the academic and industries researchers. The design of new products and processes requires the knowledge of transport and thermophysical properties, yet, due to the large number of potential ILs, their characterization by experimental means alone is not feasible. Computer...
Effect of Water on the Viscosities and Densities of 1-Butyl-3-methylimidazolium...
Carvalho, PJ; Regueira, T; Luis M N B F Santos; Fernandez, J; Coutinho, JAPDespite the recent increase in the number of works addressing the effect of water on the thermophysical properties of ionic liquids (ILs), in particular densities and viscosities, the strong effect of the water content in the region of low water content on these properties requires further study for a deeper understanding of the phenomenon. Densities and viscosities of two imidazolium-based ionic liquids, 1-but...