Ammonia Desulfurization Advances: MingSheng Environmental Opens New Paths in Flue Gas Treatment

Ammonia desulfurization is gaining renewed attention as industrial companies seek more efficient and resource-conscious approaches to flue gas treatment. Once considered a niche alternative to conventional limestone-gypsum systems, the technology is becoming increasingly viable as engineering challenges are addressed and domestic solutions mature.

Over more than a decade of development, MingSheng Environmental Protection has advanced its ammonia-based flue gas desulfurization technology through seven generations of innovation. These developments have focused on key industry challenges, including aerosol control, ammonia slip, operation under high-dust conditions, treatment of high-sulfur flue gas, and improved oxidation efficiency.

The technology has been applied in multiple industries, including chemical manufacturing, power generation, steel, carbon materials, papermaking, and coking.

A key advantage of ammonia desulfurization is its potential to combine sulfur dioxide removal with resource recovery. Instead of generating gypsum as the primary by-product, the process can produce ammonium sulfate, a material used in fertilizer production. This creates opportunities to recover value from sulfur compounds while reducing the burden associated with solid by-product disposal.

Ammonia-based systems can also achieve high desulfurization efficiency. When appropriately designed, they may offer advantages in space utilization and can potentially share an ammonia supply system with a selective catalytic reduction (SCR) denitrification system.

As emission requirements become more demanding, industrial operators are evaluating environmental technologies not only by removal efficiency, but also by capital investment, operating costs, maintenance requirements, and long-term sustainability.

Drawing on decades of chemical engineering experience, MingSheng continues to develop ammonia desulfurization solutions for a wider range of industrial applications, with a focus on efficient emission control and sulfur resource utilization.