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    LK-819

    AmmoniaHydrogenRenewables
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    Medium-temperature CO conversion catalyst

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    Triple-layer "sandwich" configuration

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    Chlorine and sulfur protection

    Medium temperature shift catalyst

    Topsoe’s medium temperature shift catalysts LK-813 and LK-819 are used for the conversion of carbon monoxide at temperatures ranging from 190 to 330ºC. 

     

    Application

    Topsoe’s MTS catalysts have specifically been developed to cover a wide range of operating conditions: Topsoe MTS catalysts may be used as a replacement for the standard high-temperature shift catalyst in ammonia and hydrogen plants operating at low steam to carbon ratios. In ammonia plants, the MTS catalyst will typically be followed by a low-temperature shift catalyst where the CO content is further reduced.

    In new hydrogen plants, the MTS catalysts may replace both the high and low-temperature shift catalysts in which case the MTS exit gas is directly sent to a PSA unit.

     

    Catalyst loading scheme and characteristics

    The standard MTS loading is a triple-decker/”sandwich” loading:

    Top layer: LSK-2
    Middle layer: LK-813
    Bottom layer: LK-819

    The top layer of LSK-2 protects the middle layer of LK-813 from chlorine poisoning apart from having the advantage of being resistant against water droplets.

    • At the low temperatures in the top of the bed, the LK-813 has a higher activity than LK-819

    • It has a higher sulfur capacity than LK-819 and thus gives a better protection in case sulfur should enter the system

    In the hot bottom part, the more thermo-stable LK-819 is installed.

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    Request Safety Data Sheet (SDS)

    Safety Data Sheets (SDS) also previous known as Material Safety Data Sheets (MSDS) are documents providing health and safety information on the handling of chemical products. These documents are only available for Haldor Topsoe's catalysts on request and can be requested in the form below.