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Catalyst poison removal | Arsenic removal

Originating in processed crude oil, arsenic has long been recognized as a severe catalyst poison. Compared to other contaminants, arsenic is a genuine poison, since it actively titrates the working catalytic sites by forming NiAs or CoAs.

Topsoe offers a number of highly efficient arsenic-trap catalysts that catch and accumulate arsenic many times more effectively than conventional hydrotreating catalysts. These arsenic guards can also be used effectively as part of a tailored hydrodemetallization (HDM) solution.

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Liv Hovgaard

Liv Hovgaard

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