Kinetics and Thermodynamic Studies of Depolymerization of Nylon Waste by Hydrolysis Reaction

Table 1

Optimum amount of nylon-6,6 waste.

Amount of nylon waste powder/g	DBHMD/g	HMD/g	Amount of nylon waste reacted/g	Amount of unreacted nylon waste/g	% yield
1	0.96	0.3437	0.6706	0.3294	67.05
2	1.926	0.6896	1.3453	0.6547	67.26
3	3.101	1.1102	2.1661	0.8339	72.20
4	2.919	1.0451	2.0390	1.9610	50.97
5	2.815	1.0078	1.9663	3.0337	39.32
6	2.301	0.8238	1.6073	4.3927	26.78

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