Closed-Loop Supply Chain Models with Considering the Environmental Impact

Table 4

Distance and transfer times.

DC	Distance	Transfer times; using 5-tonne lorry	Transfer times; using 40-tonne lorry	Distance	Transfer times; using 5-tonne lorry	Transfer times; using 40-tonne lorry	Distance	Transfer times; using 5-tonne lorry	Transfer times; using 40-tonne lorry	Distance	Transfer times; using 5-tonne lorry	Transfer times; using 40-tonne lorry	Distance	Transfer times; using 5-tonne lorry	Transfer times; using 40-tonne lorry	Distance	Transfer times; using 5-tonne lorry	Transfer times; using 40-tonne lorry	Distance	Transfer times; using 5-tonne lorry	Transfer times; using 40-tonne lorry
	Customers
	1			2			3			4			5			6			7
1	85	500	800	149	380	430	75	780	1020	123	270	560	174	660	900	100	984	1329	250	654	780
2	328	300	450	187	280	403	98	857	1220	257	370	460	400	720	950	278	284	629	189	354	870
3	198	1500	1850	447	850	1430	280	780	1470	378	670	1060	260	760	987	315	1084	1629	92	947	1280
4	270	200	705	360	480	830	200	1180	1780	420	770	960	338	1050	1800	173	884	1330	290	554	856
	Customer-customer
1	0	0	0	58	180	203	128	65	120	117	37	60	68	72	95	150	28	75	249	35	87
2	58	180	203	0	0	0	123	78	147	130	67	106	88	76	98	125	108	162	270	94	128
3	128	65	120	123	78	147	0	0	0	317	77	96	146	105	180	300	88	133	210	55	85
4	117	37	60	130	67	106	317	77	96	0	0	0	190	66	90	250	98	132	315	65	78
5	68	72	95	88	76	98	146	105	180	190	66	90	0	0	0	190	67	97	320	57	110
6	150	28	75	125	108	162	300	88	133	250	98	132	190	67	97	0	0	0	279	85	111
7	249	35	87	270	94	128	210	55	85	315	65	78	320	57	110	279	85	111	0	0	0
DC	Manufactories									Dismantlers						Manufactories-dismantlers
	1			2			3			1			2			1			2
1	75	—	—	38	—	—	54	—	—	50	—	—	88	—	—	168	—	—	90	—	—
2	50	—	—	46	—	—	36	—	—	110	—	—	90	—	—	200	—	—	178	—	—
3	24	—	—	25	—	—	68	—	—	155	—	—	182	—	—	138	—	—	119	—	—
4	17	—	—	63	—	—	96	—	—	122	—	—	80	—	—