ECO-FRIENDLY THERMAL POWER GENERATION
– CHALLENGE FOR POWER PROFESSIONALS
M. ... Due to high capital investment, long gestation period in hydel power generation and environmental hazards in Nuclear power generation, thermal power is playing and expected to play dominant role in the world’s massive power development program. ... In the present competitive scenario, one of the most challenging problems in the area of power engineering is effective utilization of coal for efficient and clean power generation in environmentally friendly way. It is here that the study of reduction of impact of coal based thermal power stations on environment plays a very important and significant role. The present paper deals with the innovative methods for reduction of impact of thermal power generation emissions on environment in effective manner for co-existence of thermal power generation with Mother Nature. ... 0 IMPACT OF THERMAL POWER EMISSIONS ON ENVIRONMENT
The problems being faced by power stations to burn inferior quality coal and the impact of emissions from thermal power stations on environment are well known to power professionals and environmentalists worldwide. The NOx, SOx, Co2, Particulate matter, mercury emissions from thermal power stations are effecting the environment disturbing the ecological balance leading to Ozone layer depletion and global warming. ... Although clean coal initiative by world bank and efforts to use clean coal for power generation are being adopted by international community, In India, with availability of high ash coal and scarcity of resources for setting up clean coal preparation plants, adoption of cost effective emission reduction technologies is of utmost importance. Advanced cost effective technologies for improved plant performance and environmental compliance will yield benefits and reduce the environmental impact and result in cheaper power. ... This result in both lowers thermal NOx and lower fuel NOx production. ... CO2/CO CONTROL TECHNOLOGIES:
Adopting clean coal technologies can mainly reduce the emission of CO2 from thermal power generating plants. ... Improved operating efficiencies of new power generation technologies from clean coal technology programs are 30%-40% higher than a conventional coal plant, which translates in to nearly equal percentage reduction in carbon dioxide
CARBON SEQUESTRATION: The potential to capture and disposal of carbon, coupled with higher efficiency power plants, sequestration offer a way to achieve a truly mass reduction in CO2 (Near Zero net emissions) at relatively low costs. ... In thermal power plant applications, Electrostatic precipitators (ESPs) have been used extensively in pulverized coal-fired power stations to control particulate emissions. ... Effective utilization of cost effective emission control technologies and further advanced research to make these technologies cheaper would certainly reduce the emissions, reducing the impact on Mother Nature for co-existence of thermal power plants with mother nature and keeping the world’s economy to move at rapid pace in the new millennium.
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