Research Article

Emergy Analysis of Biogas Systems Based on Different Raw Materials

Table 3

Table of emergy monetary value $/yr.

ItemBPCBPF

RR3.18 × 103/
RP5.80 × 1034.35 × 103
NP1.25 × 1041.14 × 104
Total input2.15 × 1041.57 × 104
Biogas (output)2.90 × 1042.86 × 104
Nitrogen fertilizer1.45 × 1021.84 × 103
Phosphate fertilizer2.18 × 1026.84 × 103
Potash fertilizer1.93 × 1026.80 × 103
Total yield2.96 × 1044.40 × 104
Ecological-economic value0.81 × 1042.83 × 104