Coordinative Urban-Rural Solid Waste Management: A Fractional Dual-Objective Programming Model for the Regional Munifcipality of Xiamen

Table 6

Expansion option and expansion cost.

Expansion option	Expansion capacity	Expansion cost (10^6 RMB)
		Period I	Period II	Period III
Western Incinerator (IN1)
Option 1 (m = 1)	700 ton/day	227.2	225.28	222.72
Option 2 (m = 2)	800 ton/day	256	256	256
Option 3 (m = 3)	900 ton/day	273.28	270.592	267.008
Eastern Incinerator (IN2)
Option 1 (m = 1)	600 ton/day	195.2	193.28	190.72
Option 2 (m = 2)	700 ton/day	227.2	225.28	222.72
Option 3 (m = 3)	750 ton/day	240	237.44	234.88
Houkeng Incinerator (IN3)
Option 1 (m = 1)	400 ton/day	131.2	129.92	126.72
Option 2 (m = 2)	540 ton/day	172.8	170.88	168.32
Option 3 (m = 3)	600 ton/day	195.2	193.28	190.72
Composting plant (CF)
Option 1 (m = 1)	450 ton/day	72.32	71.68	69.76
Option 2 (m = 2)	550 ton/day	95.36	94.08	92.8
Option 3 (m = 3)	700 ton/day	124.8	124.16	122.24
Western Landfill (LD1)	8.5×10^6 ton	54.72	53.76	53.44
Eastern Landfill (LD1)	7.0×10^6 ton	45.12	44.8	44.48