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FGD Systems

FGD SYSTEMS

Ducon mainly provides the following types of Flue Gas Desulfurization Systems:

Limestone FGD

Seawater FGD

Dry FGD

All Ducon Flue Gas Desulfurization systems are custom designed to remove sulfur dioxide from flue gases using a variety of reagents, such as: caustic, lime, limestone, ammonia, flyash, magnesium oxide, soda ash, sea water or double alkali. Ducon can provide systems that recover sulfur, sulfuric acid or make dry gypsum from waste product.

Ducon has supplied wet FGD systems on over 20,000 MW of combined power plant capacity. Ducon FGD systems can achieve over 99% sulfur dioxide removal efficiency. Ducon Flue Gas Desulfurization systems can also recover up to 90% of oxidized mercury in the flue gas.

Depending upon the reagent utilized, Ducon can select a packed tower, a spray tower or a Ventri-Rod Absorber (VRA™) (a proprietary Environeering unit) for the wet FGD application. For Dry Flue Gas Desulfurization systems, Ducon uses its proprietary two-fluid nozzle DRX-25 to atomize feed slurry in the spray reactor. Ducon can also provide a Circulating Reactor Dry FGD System suitable for applications of upto 3% sulfur coal and by utilizing dry lime, it can provide upto 97% SO2 removal efficiency. Ducon provides either bag house filter or Electrostatic Precipitator for duct collection downstream. Ducon works with reputable vendors to provide Gas-to-Gas heat exchangers, fans, controls, and reagent handling & feeding systems.

Ducon has the capability to provide a complete global turnkey installations including effluent treatment systems.

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