Process for combustion coke from coked catalyst
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United States of America
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Apr 13, 2021
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Nov 8, 2018
app pub date -
Jul 18, 2018
filing date -
Jul 18, 2018
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Abstract
A counter-current catalyst regenerator with at least two stages of counter-current contact is proposed. Each stage may comprise a permeable barrier that allows upward passage of oxygen-containing gas and downward passage of coked catalyst into each stage, but inhibits upward movement of catalyst to mitigate back mixing and approximate true counter-current contact and efficient combustion of coke from catalyst.
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