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Page 1
Common Effluent Treatment Plants
07/08/2013 International Conference on “Green Enterprises and Green Industrial Parks”
July 18-20, 2013; Hyderabad
R. Hrishikesh Mahadev
GIZ
International Conference on
“Green Enterprises and Green Industrial Parks”
a step forward for innovative and resource efficient entrepreneurships
Page 2 07/08/2013
Total CETPs in India : 153
Total hydraulic capacity catering to about 15,000 units : about 1,190
MLD
Mostly installed with Govt. support
(MOEF CETP Scheme, MoC&I (DIPP) IIUS, MoT Scheme)
60% of the CETPs are in the hydraulic capacity range up to 5 mld,
29% in the range >5 to 10 mld, and 11% in the range >20 mld
Five states - Delhi, Gujarat, Maharashtra, Rajasthan and Tamil
Nadu together comprise 78 % of CETPs and 87% of the installed
CETPs’ hydraulic capacity
Introduction
Common Effluent Treatment Plant is treating effluents by means of a
collective effort mainly for a cluster of small scale industrial units.
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19%
11%
6%
19%
21%
4%12%
8% Others
Dye & dye intermediate
Chemical industries
Tannery units
Textile industries
Pharmaceuticals
Industries
Residential localities
Note: others include Rubber industries, Milk/ food processing, Electroplating
wastes, Pesticides etc.
Waste Water from Sectors
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Choosing appropriate Technical Solutions
Compliance with standards and beyond, Reliability, Cost
effectiveness, Recycle/reuse
Adopting appropriate Business Models
PPP, BOT, formation of SPVs by the industry/users etc.
Setting up of appropriate Management Systems
Monitoring, User charges, Dealing with defaulters etc.
Key Aspects of CETPs
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Technical Model: Components of CETPs
Tankers
Pipes (sewers, High/Low TDS lines, marine outfall,
sprinklers)
Open channels
Combination of the above
Marine Outfall Sewer Open Channel
HDPE Pipes (high TDS, Low
TDS effluents)
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Waste waster from
industries, admin
buildings etc. Gardening Use
for green belts
Technology Aspects – Waste Water
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Preliminary treatment
» Screening
» Grit removal
» Oil & grease trap
Primary treatment
» Equalisation
» Neutralisation
» Sedimentation
Anaerobic treatment
» Septic tank
» Anaerobic lagoon
» Up-flow anaerobic filter
Secondary treatment
Aerobic treatment
» Activated sludge process
» Aerated lagoons
» Trickling filters/bio-filters
» Bioreactors etc.
Chemical oxidation
(Ozone, Chlorine, H2O2)
Solar evaporation, Forced
evaporation
Multi Effect Evaporator
Incineration
Tertiary treatment
» Sand filters
» Activated carbon filters
» Reverse osmosis
» Chemical oxidation
» Etc.
Technology Aspects – Waste Water
Page 8 07/08/2013 International Conference on “Green Enterprises and Green Industrial Parks”
CETP Vatva
CETP Tirupur
CETP Thane Vortices for WWT
Page 9 07/08/2013 International Conference on “Green Enterprises and Green Industrial Parks”
Source: Presentation from Dr. Christian Kazner, University of Applied Sciences and Arts, Northwestern Switzerland, Nov.. 23, 2012
Reuse of Treated Waste Water
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Business Model
07/08/2013
• Who are the players – roles, relationships (legal/mandatory,
agreements);
• Operator – selection process, who;
• Costs/investments (subsidy, by industries), Formation aspects
(SPV, appointment of operator etc.),
• Legal – Section 25 company or society or ; Risks
• CETP can be taken-up by any potential entreprenuers,
particularly for small / non-polluting industrial parks.
International Conference on “Green Enterprises and Green Industrial Parks”
Page 11
Business Model
07/08/2013 International Conference on “Green Enterprises and Green Industrial Parks”
Vatva Effluent Treatment Plant, Ahmedabad
SPV is registered as a society on “No Profit, No Loss”
• Contribution from industries:
• Less Polluting : 0.5 % of Turnover
• More Polluting : 1 % of Turnover
MANA Effluent Treatment Plant (MANA – Mallapur - Nacharam)
Build-Operate-Transfer (BOT) model where Indwa Technology was the
private company
SPV registered as Public Limited Company
More than 100 industries are already registered
Contribution from industries was used to construct Guard Pond and O
& M charges
Page 12 7 August 2013
Financing Concept
Industries
(Operator)
Rs
Salary
Lease rent of land
Power, water
Maintenance / Repair of
Equipment, Facility
Operational costs
Others
Rs User charges
Registration fee &
security deposit
Rs
SPV Rs
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Management Model
07/08/2013
• Operator: Staff structures/Capacities of operator, management
(O&M) system,; Monitoring of env./pollutant parameters;
• Management structure - roles of different players (binding
mechanisms....)
• Tariffs (formula, rates/costs in force, billing system, deciding body,
collection, defaulters...)
• Dealing with Defaulters, Performance monitoring system and
reporting
International Conference on “Green Enterprises and Green Industrial Parks”
Page 14
14
MoEF’s CETPs Scheme:
Scope of CETP Scheme:
Establishment of new CETPs in an industrial estate or a cluster of
SSIs.
Up-gradation / modernization proposal for CETPs of earlier
financed through the MoEF shall be considered for the one time
funding.
Assistance provided:
Central assistance of 50% of the total project cost, with a ceiling of
Rs 15 Crores for non-ZLD and Rs. 20 Crores for ZLDs.
State gov. to provide 25 % of the total project cost.
Project proponents to put in 25% out of which:
• 15% should be contribution for project proponent and remaining
• 10% should be loan from banks / financial institutions
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Benefits of CETP
• Reduce the treatment cost.
• ‘Economics of scale’ in waste treatment
• Reduce cost of pollution abatement.
• Minimize the problem of lack of technical assistance
• Solve the problem of lack of space
• Reduce the problems of monitoring for the pollution control boards.
• Easy to organize the disposal of treated wastes and sludge
• Improve the recycling and reuse possibilities.
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Thank You
07/08/2013
Name: R. Hrishikesh Mahadev
Designation: Junior Advisor
Contact address
GIZ IGEP Cell, 8th Floor,
Parisrama Bhawan, Basheerbagh
Hyderabad – 500 004
Email: [email protected]
Ph: 040 – 2323 3677
Mob: 8008885444
Website: www.igep.in, www.giz.de
International Conference on “Green Enterprises and Green Industrial Parks”