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HomeSO2

SO2

EXPERT OPINION

Easing the Norms: FGD to remain relevant despite the relaxation of SO2 mandates

September 23, 2025

For decades, studies of Indian coal have shown that it is typically low in sulphur and high in ash, except for certain reserves in the north-eastern states. […]

EXPERT OPINION

Emissions Control: Assessing the efficacy of FGD systems in tackling air pollution

August 29, 2025

By Prankur Patel, Assistant Director, Central Electricity Authority The installation of flue gas desulphurisation (FGD) systems across India’s coal-based thermal power plants (TPPs) has emerged as a controversial topic in recent years due to rising […]

Special Section

Reducing SO2 Emissions: Technology options available for TPPs to meet environmental regulations

April 8, 2017

The coal-based thermal power sector is responsible for a significant share of industrial emissions in India. As per Centre for Science and Environment estimates, the coal-based power industry accounts for as much as 45 per […]

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