Research Article

Dynamic Heating System of Multiphase Flow Digester by Solar-Untreated Sewage Source Heat Pump

Table 11

The variation coefficient and weight of each index.

Index

EER0.50590.15050.24310.2175
(MJ d-1)0.50320.14970.12310.1113
(yuan)0.67660.20130.26890.3001
(yuan)0.62470.18590.13280.1542
(%)0.72400.21540.11960.1073
(kg d-1)0.32690.09720.11250.1097
Standard deviation0.14500.043170.069980.07795