Mathematical Modeling for Water Quality Management under Interval and Fuzzy Uncertainties

Table 1

Net benefits from each production.

	Period
	𝑡=1	𝑡=2
Net benefits from chemical plant (RMB¥/t)
GF	[718.6, 834.5]	[743.75, 876.2]
BSH	[1291.5, 1499.7]	[1336.7, 1574.8]
PYK	[743.0, 862.8]	[769.0, 905.9]
LCP	[1324.2, 1537.5]	[1370.6, 1614.4]
XJLY	[1524.4, 1770.0]	[1578.7, 1858.5]
Net benefits from water supply (RMB¥/m^3)
Gufu	[39.1, 42.1]	[43.4, 47.7]
Nanyang	[29.0, 31.2]	[32.2, 35.4]
Gaoyang	[35.3, 38.0]	[39.2, 43.1]
Xiakou	[32.1, 34.6]	[35.7, 39.3]
Net benefits from phosphorus mining company (RMB¥/t)
XL (Xinglong, 𝑝=1)	[150, 173]	[147, 180]
XH (Xinghe, 𝑝=2)	[126, 145]	[130, 156]
XC (Xingchang, 𝑝=3)	[135, 155]	[135, 162]
GP (Geping, 𝑝=4)	[144, 166]	[150, 180]
JJW (Jiangjiawan, 𝑝=5)	[137, 158]	[141, 169]
SJS (Shenjiashan, 𝑝=6)	[140, 164]	[145, 175]