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SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011 Murali Ganapathy Waste Management and Climate Change Group

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Page 1: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Waste to EnergyOpportunities and Challenges

Ganga River Basin Management PlanStakeholders Meeting

IIT Delhi23 September 2011

Murali GanapathyWaste Management and Climate Change Group

Page 2: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Agenda

Waste to Energy: Basics

Advantages

Technologies

PPP Opportunities

Challenges

Page 3: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Agenda

Waste to Energy: Basics

Advantages

Technologies

Opportunities

Challenges

Page 4: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Waste to Energy: Basics

WTE is one type of waste management

technique

Most suitable for organic waste – solid and

liquid containing high organics capable of

decomposition

Solid waste can be:

MSW / garbage

Industrial waste

Processing waste

Waste is converted to energy: electricity, steam,

gaseous fuels

Page 5: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Agenda

Waste to Energy: Basics

Advantages

Technologies

Opportunities

Challenges

Page 6: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Waste to Energy: Advantages

Volume and mass reduction: 60% to 90%

Land demand for land filling is reduced

Savings in overall waste transportation

costs

Potential for pollution mitigation

Resource utilization: power, compost,

organic fertilizer, gaseous fuels (syngas,

H2, biogas)

Carbon emission reduction

Page 7: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Agenda

Waste to Energy: Basics

Advantages

Technologies

Opportunities

Challenges

Page 8: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Waste to Energy: Technologies

Combustion Incineration/Mass Burn RDF combustion

Gasification/Pyrolysis Fluidized bed gasification Plasma gasification

Anaerobic digestion Controlled biomethanation for

organics Landfill gas capture

Page 9: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Incineration

Page 10: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Incineration

Common commercial technology for

waste management in developed

countries.

Over 4 lakh TPD of waste is being

incinerated in about 600 plants in 35

countries.

Estimated to be generating 10,000

MW power.

Tried in Timarpur, Delhi – didn’t work

due to high moisture/low calorific

value of MSW

Page 11: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

RDF

Page 12: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

RDF

Recovery of combustible particles from MSW through segregation, drying and shredding.

Refuse Derived Fuel (RDF): fuel for Cement Kilns or can be combusted for generation of Power.

Need for pollution control equipment required to control emissions.

Page 13: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Gasification

Page 14: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Gasification

Partial combustion in absence or restricted supply of air/O2 to form combustible gases

Combustible gases used for heat directly or for motive power/electricity through gas engines

Promising and environmentally clean thermo-chemical process

Page 15: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Plasma Gasification

Page 16: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Plasma Gasification

Less polluting than combustion/incineration

No SOX/NOX issues (no O2)

Toxic materials encapsulated: much safer to handle

Highest efficiency of conversion

High Costs and still in commercial demo stage

Page 17: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Anaerobic Digestion

Page 18: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Anaerobic Digestion

Biogas from biodegradable fraction of waste for fuel/power and organic manure

Environmentally benign for segregated uniform solid or liquid wastes

Many successful Indian applications (mostly small scale)

Capital cost – financially competitive

Page 19: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Landfill Gas Capture

Page 20: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Landfill Gas Capture

Anaerobic decomposition of waste in landfills produces landfill gas ( 40 - 60% CH4)

Landfill Gas can be captured, purified and utilized for power generation

Page 21: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Project Experience Plasco Energy – Waste to energy

using plasma gasification; Anaerobic digestion of wastewater

sludge and MSW organic components at Cancun, Mexico;

Wastewater sludge and organic MSW at Campeche, Mexico;

LFG at Puebla, Mexico and for GAIL at Delhi Ghazipur landfill.

Waste gasification PPP proposed at Maldives;

DBO at Belize for MSW; DBO at Guyana for Industrial waste

Advantages

Technologies

Opportunities

Challenges

Page 22: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Agenda

Waste to Energy: Basics

Advantages

Technologies

Opportunities

Challenges

Page 23: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Waste to Energy: Opportunities in GRBMP

Anaerobic digestion of wastewater, organics (municipal waste, processing plants);

RDF of waste is also an option;

Page 24: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Agenda

Waste to Energy: Basics

Advantages

Technologies

Opportunities

Challenges

Page 25: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Waste to Energy: Challenges

Management of waste streams is

difficult.

Industrial discharge need to be

controlled.

Garbage disposal by public is an

issue.

Educating public and private sector is

key.

Need to assess capacity of ULB’s to

manage and pay for the

infrastructure or operations.

Page 26: SENES Consultants Limited Waste to Energy Opportunities and Challenges Ganga River Basin Management Plan Stakeholders Meeting IIT Delhi 23 September 2011

SENES Consultants Limited

Thank You