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Modelling coke formation and deactivation in a FCCU

Paper ID Volume ID Publish Year Pages File Format Full-Text
44702 46056 2006 6 PDF Available
Title
Modelling coke formation and deactivation in a FCCU
Abstract

In this paper we describe a new model of catalyst deactivation due to riser reactions in a FCCU. For this purpose, we analyse different coke types and model the formation of each type based on oil feed properties rather than considering all cokes as being equal like other authors do. Thereafter, we examine different deactivation kinetic equations and propose an alternative that describes catalyst deactivation against coke as opposed to against time as in conventional approaches. Although it is easier to model deactivation against time, our model is more flexible and intuitive since it can simulate special situations, such when the catalyst is partially regenerated.

Keywords
Coke; Catalyst deactivation; Deactivation by coke; Riser; FCCU
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 303, Issue 2, 28 April 2006, Pages 245–250
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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