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Title: Potential reductions in fine particulate matter and premature mortality following implementation of air pollution controls on coal-fired power plants in India

Journal Article · · Air Quality, Atmosphere & Health
 [1];  [2];  [3]; ORCiD logo [1]
  1. Indian Inst. of Technology (IIT), Hyderabad (India)
  2. Argonne National Laboratory (ANL), Argonne, IL (United States)
  3. Harvard Univ., Cambridge, MA (United States)

Coal-fired power plants (CFPPs) account for > 70% of electricity generation in India, but < 5% of facilities have installed technologies for sulfur dioxide (SO2) and nitrogen oxide (NOX) removal. Emissions of these pollutants lead to the formation of fine particulate matter (PM2.5) and an increased risk of premature mortality for exposed populations. Here, we use a nested version of the GEOS-Chem global chemical transport model (0.5° × 0.625° resolution) for India to estimate reductions in PM2.5 concentrations that could have been achieved by implementing existing emission control technologies like flue-gas desulfurization (FGD) and/or selective catalytic reduction (SCR). We quantify the associated burden of disease using the integrated exposure response (IER) and global exposure mortality model (GEMM) functions and compare the costs of premature mortality to those for FGD installation. Model simulations for 2010 suggest installation of FGD would have reduced mean annual PM2.5 concentrations across India by 8%, compared to 3% with SCR installation, and 11% with both FGD and SCR. A 7–28% reduction in PM2.5 was simulated for local communities closest to CFPPs (same model grid cell), leading to up to 17% reduction in annual premature mortality. Overall, more than 0.21–0.48 million premature deaths would have been avoided over a 10-year period if FGD had been implemented on all CFPPs, compared to 0.09–0.21 million with SCR and 0.22–0.72 million with both FGD and SCR. Benefits associated with such actions are approximately $$\$$18.1$$–$$\$$604$ billion USD per year, which is equivalent to ~ 0.44 to 10% of India’s GDP. These results suggest that monetary benefits from avoided premature mortality far outweigh the capital and operational costs of FGD and/or SCR installation of $$\$$19.5$ billion and/or $$\$$32.8$ billion per year, respectively. This information is essential because the high costs of installation and operation are often given as reasons for delaying installation and commissioning. Finally, we conclude that policy actions to control air pollution from CFPPs are economically justifiable.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
Harvard Global Institute (HGI); USDOE
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
2482532
Journal Information:
Air Quality, Atmosphere & Health, Journal Name: Air Quality, Atmosphere & Health Journal Issue: 5 Vol. 17; ISSN 1873-9318
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English

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