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

Table 3

Order of depolymerization of nylon-6,6 waste (method 1).

Heating time	DBHMD/g	Amount of reacted nylon waste/g	Amount of unreacted nylon waste/g	Difference in successive		Difference in successive	1/	Difference in successive 1/
0 min	—	—	3	0.4114	1.0986	0.1475	0.33	−0.56
30 min	0.589	0.4114	2.5886	0.679	0.9511	0.2946	0.386	−0.138
60 min	1.562	1.0911	1.9089	0.2368	0.6465	0.1325	0.524	−0.74
90 min	1.901	1.3279	1.6721	0.8382	0.5141	0.6957	0.598	−0.601
120 min	3.101	2.1661	0.8339	−0.2089	0.1816	0.1397	1.199	0.24
150 min	2.802	1.9572	1.0428	0th order	0.0419	1st order	0.959	2nd order