Dataset of paper "Hydrogen production from urea in human urine using segregated systems"

Dataset of paper "Hydrogen production from urea in human urine using segregated systems"

Fig. 2. Isotherm experimental data for adsorption of urea onto activated carbon at different temperatures.

Table 2. Langmuir and Freundlich Equations fitting parameters for the isotherms of adsorption of urea on activated carbon.

Fig. 3. Kinetic study of the adsorption of urea onto activated carbon.

Table 1. Comparison of adsorption capacity of urea onto studied activated carbon with literature carbon-based materials.

Fig. 4. A: Outlet gases concentration as a function of temperature during the thermal treatment of urea adsorbed on activated carbon. B: Carbon dioxide concentration as a function of temperature during thermal treatment of fresh and saturated activated carbon.

Fig. 5. Adsorption capacity of urea with regenerated carbon after five consecutive adsorption/desorption cycles

Fig. 6. Hydrogen and ammonia production from thermal treatment and catalytic treatment of urea adsorbed on activated carbon

Table 3. Efficiencies assumed for the preliminary energy balance calculation of the designed process.

Fig. 7. Distribution of energy requirements to produce hydrogen from urea present in human urine.

Fig. 8. Summary of the energy analysis for the installation of the process in the city of Lleida, Spain.

Fig. 9. Sensitivity analysis of the effect of urea adsorption capacity and ammonia decomposition temperature on the net energy production of the designed process.

Table 4. Energy balance summary.