Mechanical Wall-Treatment Method That Reduces Coke Formation, and Hydrocarbon Treatment Method
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United States of America
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Jan 16, 2020
app pub date -
Dec 19, 2017
filing date -
Dec 19, 2017
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Abstract
The invention relates to a process for the treatment of a wall made of Fe—Ni—Cr metal alloy of an industrial reactor which reduces the formation of coke on the said wall when it is subjected to operational conditions favourable to coking, the metal alloy comprising, within its structure, carbides, some of which show on the surface. The process comprises a mechanical stage of impact surface treatment, during which a surface of the wall is hammered by projection of particles under conditions suitable for obtaining covering of the carbides initially present at the surface by permanent plastic deformation of the surface, in particular of the chromium carbides.
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