Ammonia-Based FGD: Efficient SO₂ Removal with Ammonium Sulfate Recovery

As industrial emission standards continue to become more demanding, companies are looking for flue gas treatment technologies that can provide reliable SO₂ removal while also improving resource efficiency. Ammonia-based FGD is increasingly considered an attractive solution for industries with high sulfur dioxide emissions and a demand for resource recovery.

Unlike conventional limestone-based systems, an ammonia desulfurization system uses ammonia as the absorbent to react with SO₂ in the flue gas. The process can efficiently remove sulfur dioxide while converting the sulfur component into ammonium sulfate, which can be further processed for use as an industrial or agricultural fertilizer, subject to applicable quality and regulatory requirements.

For industrial facilities, the combination of SO₂ emission control and by-product recovery provides an opportunity to move beyond simple pollutant removal. A properly designed ammonia FGD system can integrate absorption, oxidation, separation, purification and crystallization processes to improve overall system performance and product quality.

MirShine Environmental Group has developed extensive experience in ammonia-based flue gas desulfurization, providing integrated engineering solutions for power plants, steel mills, chemical plants, smelting facilities and other industrial applications. System design can be adapted according to flue gas conditions, sulfur concentration, ammonia source and required emission limits.

With increasing attention to low-carbon production and circular resource utilization, ammonia-based FGD offers a practical approach to combining environmental compliance with sulfur resource recovery. For facilities seeking an ammonia-based FGD supplier or a customized flue gas desulfurization system, process integration and long-term operating stability remain key factors in technology selection.

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