Flue Gas Desulfurization & Limestone Storage Tanks


By definition: Flue gas desulfurization is commonly known as FGD and is the technology used for removing sulfur dioxide (SO2) from the exhaust flue gases in power plants that burn coal or oil to produce steam for the steam turbines that drive their electricity generators. Capture of SO2 is accomplished by devices known as scrubbers. The devices combine the Sulphur compounds with a calcium containing sorbent, generally lime (CaO) or limestone (CaCO3), to create a slurry. The slurry can be safely discharged after treatment or turned into useful byproducts.

TC is one of the largest suppliers ofย Flue Gas Desulfurization & Limestone Storage Tanks and silos used in FGD applications in North America. TC leads the industry in turnkeyย Flue Gas Desulfurization & Limestone Storage Tanks systems used for limestone, lime, hydrated lime, pebble lime and quicklime storage applications.

Typical Sizes:

  • Typical hopper slopes utilized in lime storage: 60ยฐ, 65ยฐ, 70ยฐ andย custom hopper slope designs based on material testing in hopper bottom tanks up to 100,000 cubic feet
  • Flat bottom storage available up to 2,000,000 cubic feet

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    The Uses and Advantages of Limestone Storage
    Limestone storage requires reliability and consistency in order to safely store the dry product. When storing limestone, there are a number of important considerations to make. Firstly, you have to consider the weight of the product being stored and secondly, you need to make sure that you have chosen the right structure. Domes are generally used for bulk storage purposes. They are built in a way that they are extra strong while correctly shaped for storage purposes. To start with, you need to have a closer look at the foundations upon which you will be placing your domed storage tank. Choosing a tank that can be fully customised and given a foundation support system, is the better route to go. Using geotechnical analysis to plan out the perfect place on which to build your tank, you can easily determine whether or not you will need a deeper foundation than the one you have. Some structures can be built far too tall. When this happens, the structure strength can be compromised. When choosing a domed roof, more product can be stored and the structure can be made stronger. A domed tank can also store more than two or three differently shaped tanks would be capable of doing. This means, in the greater scheme of things, that you will be saving plenty of space. A dome tank is oftentimes best simply because the tank is capable of holding so much more weight than the conventional flat top tank. Limestone storage tanks Often steel storage tanks are a popular choice for limestone storage. The tanks are more than able to contain vast amounts of product, without the tank reliability being in any way compromised. Steel storage tanks are perfect for long term storage and they are made for bulk product. Steel tanks are available in all shapes and sizes, and the diversity of the options available will allow you to make a more informed choice. For more information about limestone storage tanks, and our other products, get in touch with our team today.