FCC COUNTER-CURRENT REGENERATOR WITH A REGENERATOR RISER

A counter-current catalyst regenerator with at least two stages of counter-current contact along with a regenerator riser 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...

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Main Authors DAVYDOV, Lev, PALMAS, Paolo, SANDACZ, Michael S, FEI, Zhihao, LIPPMANN, Matthew
Format Patent
LanguageEnglish
French
German
Published 22.07.2020
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Abstract A counter-current catalyst regenerator with at least two stages of counter-current contact along with a regenerator riser 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. The regenerator riser may provide a passage to transport the catalyst and may serve as a secondary stage for coke combustion to provide the regenerated catalyst.
AbstractList A counter-current catalyst regenerator with at least two stages of counter-current contact along with a regenerator riser 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. The regenerator riser may provide a passage to transport the catalyst and may serve as a secondary stage for coke combustion to provide the regenerated catalyst.
Author LIPPMANN, Matthew
PALMAS, Paolo
SANDACZ, Michael S
FEI, Zhihao
DAVYDOV, Lev
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– fullname: LIPPMANN, Matthew
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DocumentTitleAlternate FCC-GEGENSTROMREGENERATOR MIT EINEM REGENERATOR-RISER
RÉGÉNÉRATEUR À CONTRE-COURANT FCC AVEC COLONNE MONTANTE DE RÉGÉNÉRATEUR
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Snippet A counter-current catalyst regenerator with at least two stages of counter-current contact along with a regenerator riser is proposed. Each stage may comprise...
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SubjectTerms CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
Title FCC COUNTER-CURRENT REGENERATOR WITH A REGENERATOR RISER
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