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RK-212

Alkali promoted tubular reforming catalyst

High alkali pre-reduced catalyst for steam reforming of naphtha feedstocks.

Application

RK-212 is used in tubular reformers for steam reforming of naphtha feedstocks. RK-212 is installed above the unreduced version RK-202 and a low alkali catalyst like RK-201.

Naphtha Reforming

The alkali content on the RK-212 and RK-202 catalysts has been optimized and is generally lower than seen for other alkali-promoted catalysts on the market. Since the alkali has a negative impact on the catalyst activity, the relatively low alkali content is preferable to ensure a high activity of the catalyst. Still, the alkali content on the RK-212 and RK-202 catalysts is sufficiently high to ensure carbon-free operation in a steam reformer. The alkali content is so low that fouling of waste heat boilers basically can be excluded.

RK-212 is delivered pre-reduced and in addition to potassium, are also promoted with a noble metal. This feature of the catalyst makes it especially suited for the inlet conditions in a steam reforming furnace, where low temperatures are prevailing. The superior ability of RK-212 to operate at the low temperatures in the top of the catalyst tube is the result of a special manufacturing technique and the addition of a noble metal promoter. An additional advantage is that the catalysts have been reduced in Topsoe’s production facilities in dry hydrogen at an optimal temperature, which results in higher activity than what could be obtained by in-situ reduction.

Used in process

Dimethyl ether Methanol Ammonia Formaldehyde Hydrogen Syngas

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