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CLIMATE CHANGE – WASTE MINIMISATION IN THERMAL POWER GENERATION

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. January 20. 2012. V.S.S.Bhaskara Murty M.Tech (Chem Engg)

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CLIMATE CHANGE – WASTE MINIMISATION IN THERMAL POWER GENERATION

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  1. 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 January 20. 2012

  2. V.S.S.Bhaskara MurtyM.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

  3. ENVIRONMENTAL PROTECTIONPRINCIPLE 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

  4. Air Emissions Air Natural Resources Industrial Process Product Water Land Discharges

  5. THERMAL POWER GENERATION

  6. MATERIAL BALANCE

  7. COAL QUALITY – INDIAN & USA

  8. Supercritical Pressure Coal-Fired Thermal Power Plant

  9. Flow Diagram of CFBC Boiler SO2 – Dry Scrubbing

  10. SO2 – Wet Scrubbing

  11. 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

  12. VOLKLINGEN POWER STATION, GERMANY

  13. 100 m Clean Flue Gases Flue Gases from ESP Flue Gas Desulfuri - sation Unit Atmospheric Air Atmospheric Air Gypsum Lime

  14. 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 2 SO2 + O2 SO3 SO3 + H2O H2SO4 Fly Ash Acid Recycle Vessel

  15. SNOX Process – Data (Vendsysselvaerket Power Station, Northern Jutland, Denmark) • Boiler Capactiy: 300 MW • Flue Gas Volume: 9,00,000 M3/hr • Coal/Oil Sulfur Content: 0.5% to 2.5% • Desulfurisation Efficiency: 95% • DeNOx: 90% • Clean Gas Particulate • Matter Concentration: <1 mg/M3 • Ammonia Consumption: 0.4 T/hr • H2SO4 (95%) Production: 5.2 T/hr

  16. WASTE MINIMISATION

  17. THANK YOU Bhasakara Murty vssby@yahoo.com

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