Analysis finds 20 coal plants near Delhi exceed sulfur dioxide limits
GS3Economy · S&T · Environment · Security· Pollution (air, water, plastic)· Prelims + Mains·
Why in news
The Centre for Research on Energy and Clean Air reported that 20 coal plants near Delhi-NCR exceed sulfur dioxide limits due to exemptions from Flue Gas Desulphurisation (FGD) systems.
Background
The study identified 20 out of 37 coal plant units within 300 km of Delhi-NCR exceeding emission limits. Category C plants, which were fully exempted from FGD installation in July 2023, emit over six million tonnes of sulfur dioxide annually.
Facts for Prelims
- S&TFGD (Flue Gas Desulphurisation): A technology used to remove sulfur dioxide (SO2) from the exhaust gases of coal-fired power plants.
- Fact20 out of 37 coal plant units within 300 km of Delhi-NCR were found to exceed sulfur dioxide limits.
- BodyCentre for Research on Energy and Clean Air (CREA): An independent research organization tracking energy and emissions.
For Mains
Q. Critically analyze the trade-off between energy security and air quality standards in India's coal-dependent power sector.
Dimensions to cover in your answer
- Regulatory loophole: Exemption of Category C plants from FGD mandates creates localized hotspots of sulfur dioxide pollution.
- Health-Economic nexus: High sulfur dioxide emissions correlate with increased respiratory morbidity in the Delhi-NCR region.
- Policy inconsistency: Conflict between emission reduction targets and the operational continuity of older coal-fired units.
Keywords: Sulfur Dioxide · Flue Gas Desulphurisation · Air Quality Management · Energy Transition · Regulatory Exemptions
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