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CRUDE PREFRACTIONATION TOWER

thread483-189653

CRUDE PREFRACTIONATION TOWER

CRUDE PREFRACTIONATION TOWER

(OP)
Hello,

Please recommend for materials of construction for a crude (28.7 deg. API) prefractionation tower operating at 4 barg and 150 C (top) 230 C (bottom), carbon steel with a large corrosion allowance or use carbon steel with ss clad?

regards,
        roker




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RE: CRUDE PREFRACTIONATION TOWER

Roker,

It certainly depends on crude corrosivity, i.e. salts, water, naphthenic acid, H2S and other aggressive agents. Cladding is - as far as I know - very acceptable and effective approach. But I would definitely suggest you to consult experienced corrosion engineers and to examine the worst possible scenario regarding feed quality and corrosion mechanisms that may occur.

Regards,

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