The Integrated Fuzzy AHP and Goal Programing Model Based on LCA Results for Industrial Waste Management by Using the Nearest Weighted Approximation of FN: Aluminum Industry in Arak, Iran

Table 12

The interval approximation subcriteria concerning the main criteria.

(a)

Environment	C11	C12	C13	Obtained weights
C11	[, ]	[2.36, 2.96]	[1.09, 1.37]	0.633438
C12	[0.32, 0.42]	[, ]	[2.71, 3.51]	0.267838
C13	[0.76, 0.93]	[0.30, 0.38]	[, ]	0.098724

(b)

Social	C21	C22	Obtained weights
C21	[, ]	[2.7, 3.1]	0.754717
C22	[0.32, 0.47]	[, ]	0.245283

(c)

Economic	C31	C32	Obtained weights
C31	[, ]	[3.68, 4.73]	0.821693
C32	[0.22, 0.3]	[, ]	0.178307