Comparison for various technologies for STP

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NoAssessment
Parameter/Technology
ASP
*
A
MBBR
*
C
SBR
*
A
UASB+EA
*
B
MBR
*
A
1.0Performance after Secondary treatment
1.1Effluent BOD (mg/l)<20<30<10<20<5
1.2Effluent SS (mg/l)<30<30<10<30<5
1.3Faecal coliform removal, Log
unit
Up to
2<3
Up to
2<3
Up to
3<4
Up to
2<3
Up to
5<6
1.4T-N removal Efficiency, %10-2010-2070-8010-2070-80
2.0Performance after tertiary treatment
2.1Effluent BOD (mg/l)<10<10<10<10<10
2.2Effluent SS (mg/l)<5<5<5<5<5
2.3Effluent NH3N (mg/l)<1<1<1<1<1
2.4Effluent Total Coliforms,
MPN/100 ml
1010101010
NoAssessment
Parameter/Technology
ASP
*
A
MBBR
*
C
SBR
*
A
UASB+EA
*
B
MBR
*
A
3.0Capital Cost
3.1Average Capital Cost
(Secondary Treatment), `
lacs/MLD
68687568300
3.2Average Capital Cost
(Tertiary Treatment), `
lacs/MLD
40404040
3.3Total Capital Cost
(Secondary + Tertiary), `
lacs/MLD
108108115108300
3.4Civil Works, % of total
capital costs
6040306520
3.5E & M Works, % of total
capital costs
4060703580
4.0Area Requirements
4.1Average Area, m2/MLD
Secondary Treatment +
Secondary sludge handling
9004504501000450
4.2Average Area, m2/MLD
Tertiary treatment + Tertiary
Sludge Handling
1001001001000
4.3Total Area, m2/MLD
Secondary + Tertiary
treatment
10005505501100450
NoAssessment
Parameter/Technology
ASP
*
A
MBBR
*
C
SBR
*
A
UASB+EA
*
B
MBR
*
A
5.0Operation & Maintenance Costs
5.1Energy Costs (per MLD)
5.1.1Avg. Technology Power
Requirement, kWh/d/MLD
Secondary Treatment +
Secondary sludge handling
180220150120300
5.1.2Avg. Technology Power
Requirement, kWh/d/MLD
Tertiary treatment + Tertiary
Sludge Handling
11111
5.1.3Avg. Non–Technology
Power Req., kWh/d/MLD
Tertiary Treatment
4.52.52.54.52.5
5.1.4Total daily Power
requirement (avg.),
kWh/d/MLD
185.70223.70153.70125.70302.50
5.1.5Daily Power Cost (@` 6.0
per KWh), `/MLD/h
(including Standby power
cost)
46.4355.9338.4331.4375.93
5.1.6Yearly Power Cost, ` lacs
pa/MLD
4.074.903.372.756.65
NoAssessment
Parameter/Technology
ASP
*
A
MBBR
*
C
SBR
*
A
UASB+EA
*
B
MBR
*
A
5.2Repairs Cost /MLD
5.2.1Civil Works per Annum, as
% of civil works cost
3333
5.2.2E &M Works, as % of E &M
Works Cost
1111
5.2.3Civil Works Maintenance,
`Lacs pa/MLD
1.941.31.042.11
5.2.4E & M Works Maintenance,
`lacs pa/MLD
0.430.650.810.38
5.2.5Annual repairs costs, `
lacspa/MLD
2.381.941.842.48
5.3Chemical Cost (per MLD)
5.3.1Recurring Chemical/Polymer
Costs, `lacs pa/MLD
SecondaryTreatment
0.40.40.40.4
5.3.2Recurring Chemical, `Lacs
pa/MLD (Alum, Chlorine,
Polymer) Costs, Tertiary
Treatment
4425
5.3.3Other Chemical Cost `Lacs
pa/MLD
0.90.90.90.9
5.3.4Total Chemical Cost, `Lacs
pa/MLD
5.35.33.36.3
NoAssessment
Parameter/Technology
ASP
*
A
MBBR
*
C
SBR
*
A
UASB+EA
*
B
MBR
*
A
5.4Manpower Cost (Assuming 50 MLD Plant)
5.4.1Manager `pa (1No.)3.63.63.63.6
5.4.2Chemist/Engineer, `pa (1No.)3.63.63.63.6
5.4.3Operators v pa (@`12000pm)8.645.764.328.64
5.4.4Skilled technicians ` pa
(@`10000pm)
7.24.83.67.2
5.4.5Unskilled personnel ` pa (@
`7000pm)
5.042.882.165.04
5.4.6Total salary Costs `lacs pa28.0820.6417.2828.08
5.4.7Benefits (50% of total salary)
`lacs pa
14.0410.328.6414.04
5.4.8Salary + Benefits ` lacs pa42.1230.9625.9242.12
5.4.9Total annual O & M costs `
lacs pa
629.26638.11451.22618.96832.55
NoAssessment
Parameter/Technology
ASP
*
A
MBBR
*
C
SBR
*
A
UASB+EA
*
B
MBR
*
A
6.0Average Capital Cost, `
lacs/MLD upto secondary
Treatment
68687568
6.1Yearly Power Cost, `
lacs/MLD upto secondary
Treatment
4.044.873.342.73
6.2Annual Repairs Cost, `
lacs/MLD upto secondary
1.51.221.161.56
6.3Annual Chemical Cost, `
lacs/MLD upto secondary
Treatment
0.850.850.850.85
6.4Manpower Cost, ` lacs/MLD
for 50 mld plant upto
secondary Treatment
33.724.7720.7433.70
6.5Total Annual O & M Costs, `
lacs/MLD upto secondary
Treatment
353.02372.11288.15290.72
6.6NPV (2010) of capital + O &
M Cost for 15 years, `
lacs/MLD upto secondary
Treatment
8695.358981.588072.247760.85
6.7Present (2010) treatment cost,
paisa/L upto secondary
treatment
0.320.330.290.28
NoAssessment
Parameter/Technology
ASP
*
A
MBBR
*
C
SBR
*
A
UASB+EA
*
B
MBR
*
A
ASP: Activated Sludge Process
UASB: Upflow Anaerobic Sludge Blanket
MBBR: Moving Bed Biological Reactor
EA: Extended Aeration
SBR: Sequential Batch Reactor
MBR: Membrane Bio Reactor

Sludge Treatment:
* Thickner +Centrifuge
** Drying Process Type
A - Aerobic
B - Anaerobic-Aerobic
C - Anoxic/Anaerobic-Aerobic

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