Cracking processes
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United States of America Patent
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-
Jul 10, 2001
Grant Date -
N/A
app pub date -
Jan 4, 1994
filing date -
Jan 4, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods for cracking hydrocarbons in reactor systems having improved resistances to carburization and coking. The reactor system comprises a steel portion having provided thereon a chromium protective layer to isolate the steel portion from hydrocarbons, applied to a thickness effective for completely isolating the steel portion from the hydrocarbon environment. The protective layer is anchored to the steel substrate through an intermediate carbide-rich, bonding layer.
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