For power plants and industrial companies using Selective Catalytic Reduction (SCR) systems to control backend boiler emissions, high-purity magnesium hydroxide slurry and high-purity magnesium oxide (MgO) powder can be used to significantly reduce sulfur trioxide (SO3) generated by the boiler and SCR unit as well as opacity emissions and acid plumes related to SO3. Magnesium hydroxide can be added from the superheater section to the SCR outlet for SO3 control or to reduce opacity.
Magnesium hydroxide is also effective in neutralizing acidic solutions generated from wet electrostatic precipitators (WESP) and SO2 from flue gas desulfurization (FGD) scrubbers. Magnesium oxide can be injected downstream of the SCR to the air heater inlet for effective SO3 removal, corrosion control and opacity treatment. Backend treatment with magnesium oxide can also reduce the formation of ammonium bisulfate in the air heater, resulting in less frequent, easier cleanup and elimination of corrosion.
Articles and posts on power supply design, energy efficiency, and power generators. UK company manufacturing and developing magnesium products and services. Includes magnesium alloys, surface protection, magnesium powders and forgings. Datasheets on magnesium products available to download New and used generators and transfer switches.
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