Table 5: Average Specific rates of manure production and biogas potential.
- |
Number |
Number |
Number |
Fresh Manurec
|
Biogas d
|
Digestate e
|
Satisfying Cooking |
Punjab |
103 HH a
|
103 animal |
AU HH-1
|
kg AU-1 day-1
|
m3 FU-1
|
kg fresh FU-1
|
demand (%) |
Total/average |
3550 (4062)b |
19360 (22460) |
6.1 (5.5) |
9.4 (10.6) |
9.77 (9.74) |
387 (447) |
70 (88) |
AU: Animal unit of a cow or a buffalo weighing averagely 319 kg or 353 kg producing 9.4 kg or 10.6 kg fresh manure day-1.
HH: Household.
FU: Functional unit: 365 kg fresh-manure AU-1 yr-1.
aLivestock households in 37 administration units of Punjab obtained from Pakistan Government databases.
bFigures in the parentheses are for buffaloes.
c~60% of the fresh manure will be fed into digesters for biogas generation.
dThe available biogas is 90%.
eWith a volatile solid (VS) of ~4.8% on mass basis.