Transcript CLIMATE CHANGE – WASTE MINIMISATION IN THERMAL POWER GENERATION By Dr V S S BHASKARA MURTY Former Director & Advisor (Env Mgt) NATIONAL PRODUCTIVITY COUNCIL CHENNAI NATIONAL.

CLIMATE CHANGE – WASTE MINIMISATION IN
THERMAL POWER GENERATION
By
Dr V S S BHASKARA MURTY
Former Director & Advisor (Env Mgt)
NATIONAL PRODUCTIVITY COUNCIL
CHENNAI
NATIONAL POWER TRAINING INSTITIUTE, NAGPUR
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January 20. 2012
V.S.S.Bhaskara Murty M.Tech (Chem Engg)
Former Director & Advisor (Env Mgt)
Ambedkar Institute of Productivity
National Productivity Council,
Chennai
Advanced Training in
Environmental Protection at W Germany
Pedagogic Training at AIT, Bangkok
Environmental Audit and ISO14000
More than 35 Years experience in consultancy and Man Power Training
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ENVIRONMENTAL PROTECTION
PRINCIPLE
Law of Thermodynamics ……
ENERGY NEITHER CAN BE CREATED NOR CAN BE
DESTROYED. IT CHANGES FROM ONE FORM TO
OTHER..
Law of Environmental protection ……
POLLUTION CAN BE CREATED BUT CANNOT BE
DESTROYED. POLLUTION CONTROL AT ONE PART
ENVIRONMENT MAY CREATE POLLUTION AT
ANOTHER PART OF ENVIRONMENT.
VSSB
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Air
Natural
Resources
Air
Emissions
Industrial Process
Product
Water
Land
Discharges
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THERMAL POWER GENERATION
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MATERIAL BALANCE
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COAL QUALITY – INDIAN & USA
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Supercritical Pressure Coal-Fired Thermal Power Plant
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Flow Diagram of CFBC Boiler
SO2 – Dry Scrubbing
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SO2 – Wet Scrubbing
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Super Thermal Power Station –
Franken AG, Nürnberg, Germany
Boiler Capacity:
2 x 200 MW
Flue Gas Volume:
15,00,000 M3/hr
Sulfur Dioxide at Inlet:
2,000 – 2,500 mg/M3
Sulfur Dioxide at Outlet:
< 200 mg/M3
Sulfur Dioxide Removal y: 90 %
Lime Stone Consumption: 3,500 kg/hr
Gypsum Production:
5,800 kg/hr
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VOLKLINGEN POWER STATION, GERMANY
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100 m
Clean
Flue
Gases
Flue Gases
from ESP
Atmospheric Air
Flue Gas
Desulfuri sation Unit
Atmospheric Air
Gypsum
Lime
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2 NO + 2 NH3 + ½ O2
2 N2 + 3 H2O
SCR Reactor
Mixer
NH3
Heater
Heat Exchanger
Air
Steam
WSA
Condenser
Start up Burner
Fuel
SO2 Converter
Air
Clean Gas
Bag Filter
Air
Combustion
Air
Sulfuric
Acid
Flue Gas
Cooling Water
Acid Condenser
Fly Ash
2 SO2 + O2
SO3 + H2O
SO3
H2SO4
Acid Recycle Vessel
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SNOX Process – Data
(Vendsysselvaerket Power Station, Northern Jutland, Denmark)
Boiler Capactiy:
Flue Gas Volume:
Coal/Oil Sulfur Content:
Desulfurisation Efficiency:
DeNOx:
Clean Gas Particulate
Matter Concentration:
Ammonia Consumption:
H2SO4 (95%) Production:
300 MW
9,00,000 M3/hr
0.5% to 2.5%
95%
90%
<1 mg/M3
0.4 T/hr
5.2 T/hr
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THANK
YOU
Bhasakara
Murty
[email protected]
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