Table 1: Optimum amount of nylon-6,6 waste.

Amount of nylon waste powder/gDBHMD/gHMD/gAmount of nylon waste reacted/gAmount of unreacted nylon waste/g% yield

10.960.34370.67060.329467.05
21.9260.68961.34530.654767.26
33.1011.11022.16610.833972.20
42.9191.04512.03901.961050.97
52.8151.00781.96633.033739.32
62.3010.82381.60734.392726.78

Time of reaction: 120 min.
Temperature: 80°C.
Concentration of HCl: 5 N.
Volume of HCl: 50 mL.