In early 2019, Power Engineering published a report on a chemistry that can significantly enhance limestone reactivity and sulfur dioxide (SO 2) removal in wet flue gas desulfurization (WFGD) systems.

A generic flow diagram of a wet-limestone scrubber is illustrated in Figure 1. The process is a classic example of an aqueous acid-base chemistry reaction applied on a large industrial scale, where ...

Limestone scrubbers deployed at natural gas power plants could help reduce carbon emissions as well as lower ocean acidification by pumping a byproduct of the scrubbing process back into the water, ...

A$400-million wet flue gas desulfurization (FGD) project now under way at the Fayette Power Project near La Grange, Texas, will remove about 97% of sulfur dioxide emissions from the plant's two units ...

In Part I of this two-part report ( COAL POWER, July/August 2007, p. 22), we introduced the integrated R&D effort by the U.S. Department of Energy’s National Energy Technology Laboratory (DOE/NETL) to ...

The second of two wet limestone scrubbers was placed in operation at the Leland Olds Station near Stanton. Scrubbers are environmental controls that remove sulfur dioxide emissions resulting from ...

The flue gas desulfurization (FGD) process removes sulfur dioxide (SO 2) — one of the elements in acid rain — from fossil fuel power-plant emissions. FGD systems, commonly called scrubbers, encompass ...

For such a large facility, the Brayton Point Power Station is quiet up close, but you can hear a subdued “whoosh” as they test the “scrubbers.” Two of the scrubbers, which reduce air pollution, are ...

•Dry Reagent: The total mass flow rate of lime, limestone or limestone with dibasic acid injected into the scrubber. This is a function of the SO2 Removal Efficiency, the Reagent Purity and the ...

When TVA’s Bull Run Fossil Plant was erected in the mid-1960s, it could boast of having the largest boiler in the U.S., and the plant has enjoyed a long, enviable efficiency track record. Today the ...