8. 8
The Anaerobic System Development
<1970
Completely Stirred Tank Reactors
Single Vessel Flow
GAS
SVF / Lagoon
E-4
CSTR / Contact Process
GAS
IN
OUT
IN OUT
Recycle
Stirrer
Stirrer
modul 04
9. 9
The Anaerobic System Development
1970
Anaerobic Filters
E-5 E-6
GAS GAS
packing packing
IN
IN
OUT OUT
recycle recycle
modul 04
10. 10
The Anaerobic System Development
1980
Sludge Bed Reactors
E-5
GAS
UASB
E-7
GAS
Hybrid
IN
IN
OUT OUT
recycle
modul 04
11. 11
The Anaerobic System Development
1990
2007
Fluidized Bed
E-8
GAS
EGSB
GAS
GAS
IC
GAS
Aquatyx
LIME
LIME
removal
IN IN IN IN
OUT OUT OUT OUT
recycle recycle recycle
internal
circulation
recycle
modul 04
13. 13
Anaerobic concept
cover in ground anaerobic reactor
POME Anaerobic Waste Water
Capacity of FFB 40 ton/hour
Waste water flow (avg) 540 m3/day
Biogas produce 10,000 nm3/day
Power available 2.7 MW
modul 04
14. 14
1.Methane gas production
2.Small footprint
3.Reduced bio sludge production
4.Reduced power consumption
5.Reduced chemical requirement
6.CDM (Clean Development Mechanism)
incentive of Kyoto Protocol (Bali Protocol)
7. Improved quality of treated effluent
The Benefit of
Anaerobic Systems
modul 04
15. 15
waterindo.co.id
Benefit of Anaerobic Treatment
1. Biogas production ( 1 kg COD = 0.35 NM3 CH4 )
2. Small footprint (reduce approx 60 % of land )
3. Reduce bio solid waste
4. Saving energy and chemical
5. CDM revenue
modul 04
16. 16
Above LEGAL
Limitation
150-250 ppm
Improve Technology
Aerobic
System
COD 2500 ppm
90%
COD 250 ppm
Aerobic
System
COD 2500 ppm
90%
COD 75 ppm
Anaerobic
System
70%
Methane
Gas Fuel
COD
750 ppm
Improvement
OK
250 ppm
modul 04
20. 20
FLARE System
Biogas (Methane)
Flow 540 m3/d, COD 75000 ppm
Biogas produksi 20,000 nm3/hari
Covered
Anaerobic
Fan
V--1
V--2
V--3
I-1
1st knock out
drum
2nd KO
drum
variable
speed
FAN
by pass line
motor valve
methane
analyzer
Biogas
Flow
Flame
Arrester
FLARE
Gas Buang
modul 04
