
A: Pig farm
B: Fresh manure
C: Sewage
D: Settling basin
E: Collector well
F: Sedimentation tank
G: Anaerobic tank
H: Liquid storage tank
I: Biochemical pond
J: Bio-slurry purification
K: Fertilizer
L: Discharging device
M: Valid purifier
N: Recycling device
O: Methane
P: Water seal
Q: Constant pressure device
R: Separation between methane and water
S: Desulfurization unit
T: Gas holder
U: Safety device
V: Pressure relief device
W: Flame retardant & purifying & distribution unit
X: Methane purifying
Y: Power generation or fuel feeding