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Tag Articles : Stack-Mounted Equipment

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  • Is there an alternative to an expensive wet-extractive PM monitor on a stack with a wet FGD?
    Is there an alternative to an expensive wet-extractive PM monitor on a stack with a wet FGD?

    Wednesday, September 18, 2019 | Derek Stuart

    Modern coal-fired power plants use a range of methods to reduce the amount of pollution released to the atmosphere. Selective catalytic reduction is used to remove oxides of nitrogen (NOx), high-efficiency electrostatic precipitators remove particulate matter (PM) and wet flue-gas desulfurization (FGD) systems remove sulphur dioxide (SO2). An unfortunate side-effect of using a wet FGD is that the stack gases downstream are saturated with water drops. Consequently, typical instruments used for measuring PM emissions such as opacity monitors and in-situ light-scattering monitors cannot be used because they cannot distinguish between dust particles and water droplets.

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  • Blog Solar Heating
    Solar Heating of Stack-Mounted Equipment

    Friday, December 14, 2018 | Derek Stuart

    Many AMETEK Land products are designed to handle driving rain and a wide range of ambient temperatures, so it is tempting to mount them on the most convenient location and let them do their stuff. However, it is worth giving some thought to the extreme conditions they can experience so they have the best chance of a long period of accurate measurements.

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