Rational Asymmetric Catalyst Design, Intensification and Modeling

Nawaz, Zeeshan; Baksh, Faisal; Ramzan, Naveed; Alqahtani, Abdullah Saad

doi:10.5772/39209

Advances in Chemical Engineering 2012

DOI: 10.5772/39209

|View full text |Cite

Rational Asymmetric Catalyst Design, Intensification and Modeling

Zeeshan Nawaz

Faisal Baksh

Naveed Ramzan

et al.

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2015

Publication Types

Select...

Article1

Relationship

Self Cite0

Independent1

Authors

Journals

Cited by 1 publication

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Dynamic Modeling of CATOFIN^® Fixed-Bed Iso-Butane Dehydrogenation Reactor for Operational Optimization

Nawaz

2015

International Journal of Chemical Reactor Engineering

View full text Add to dashboard Cite

The catalytic dehydrogenation of iso-butane to iso-butylene is an equilibrium limited endothermic reaction and requires high temperature. The catalyst deactivates quickly, due to deposition of carbonaceous species and countered by periodic regeneration. The reaction-engineering constraints are tied up with operation and/or technology design features. CATOFIN® is a sophisticated commercialized technology for propane/iso-butane dehydrogenation using multiple adiabatic fixed-bed reactors having Cr2O3/Al2O3 as catalyst, that undergo cyclic operations (~18–30m); dehydrogenation, regeneration, evacuation, purging and reduction. It is always a concern, how to maintain CATOFIN® reactor at an optimum production, while overcoming gradual decrease of heat in catalyst bed and deactivation. A homogeneous one-dimensional dynamic reactor model for a commercial CATOFIN® fixed-bed iso-butane dehydrogenation reactor is developed in an equation oriented (EO) platform Aspen Custom Modeler (ACM), for operational optimization and process intensification. Both reaction and regeneration steps were modeled and results were validated. The model predicts the dynamic behavior and demonstrates the extent of catalyst utilization with operating conditions and time, coke formation and removal, etc. The model computes optimum catalyst bed temperature profiles, feed rate, pre-heating, rates for reaction and regeneration, fuel gas requirement, optimum catalyst amount, overall cycle time optimization, and suggest best operational philosophy.

show abstract

Dynamic Modeling of CATOFIN^® Fixed-Bed Iso-Butane Dehydrogenation Reactor for Operational Optimization

Nawaz

2015

International Journal of Chemical Reactor Engineering

View full text Add to dashboard Cite

show abstract

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Rational Asymmetric Catalyst Design, Intensification and Modeling

Cited by 1 publication

References 28 publications

Dynamic Modeling of CATOFIN^® Fixed-Bed Iso-Butane Dehydrogenation Reactor for Operational Optimization

Dynamic Modeling of CATOFIN^® Fixed-Bed Iso-Butane Dehydrogenation Reactor for Operational Optimization

Contact Info

Product

Resources

About

Rational Asymmetric Catalyst Design, Intensification and Modeling

Cited by 1 publication

References 28 publications

Dynamic Modeling of CATOFIN® Fixed-Bed Iso-Butane Dehydrogenation Reactor for Operational Optimization

Dynamic Modeling of CATOFIN® Fixed-Bed Iso-Butane Dehydrogenation Reactor for Operational Optimization

Contact Info

Product

Resources

About

Dynamic Modeling of CATOFIN^® Fixed-Bed Iso-Butane Dehydrogenation Reactor for Operational Optimization

Dynamic Modeling of CATOFIN^® Fixed-Bed Iso-Butane Dehydrogenation Reactor for Operational Optimization