Environmental Engineering Reference
In-Depth Information
Table 8.6
Operating data of biogas plants treating livestock waste in Japan. (JARRRS
2014
)
Process
Substrate
Capacity
(t/d)
Temperature
Biogas
production
(Nm
3
/t)
VS reduction
(%)
Year
CSTR
Mixed manure + MSW 55.9
M
37.4
52(COD
Cr
)
1998
CSTR
Cattle manure
15
M
33.3
2000
CSTR
Cattle manure
18
M
21.1
2002
CSTR
Mixed manure
4.7
T
38.9
2002
CSTR
Cattle manure + MSW 13.3
M
13.2
2003
CSTR
Cattle manure
32.8
T
19.8
2004
CSTR
(Multi
stage)
Cattle manure
+ Agricultural waste
3.2
M
22.2
2004
CSTR
(Fixed
bed)
Cattle manure
5
M
37.8
2004
CSTR
Cattle manure
13.5
M
35.6
30
2005
CSTR
Cattle manure
+ Agricultural waste
5
20
2005
CSTR
Cattle manure + MSW
4.9
M
61.2
2005
BIMA
a
Mixed manure + MSW
+ Sludge
67.8
M
17.4
2005
CSTR
Mixed manure
+ Agriculture waste
85.3
M
38.1
2006
CSTR
Swine manure + MSW
+ Sludge
58.6
M
53.9
2006
CSTR
Mixed manure
10
M
25.2
2006
CSTR
(Multi
stage)
Cattle manure
94.8
M
41.1
35-40
2007
CSTR
Mixed Cattle manure
5.5
M
20
2008
T
Thermophilic digestion,
M
Mesophilic digestion
a
Biogas Induced Mixing Arrangement
a full scale reactor could produce 6000 m
3
CH
4
/d, which would be able to generate
1800 kWh/d of electricity.
8.4.5
Sewage Sludge
During the 1960s and 1970s, the extension of mains sewage across Japan accelerat-
ed the pace of construction of anaerobic digesters in waste water treatment, with as
many as 180 plants being equipped with anaerobic digesters. In more recent years,
