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Forced thermal cycling of catalytic reactions: Experiments and modelling

Paper ID Volume ID Publish Year Pages File Format Full-Text
52469 46875 1990 6 PDF Available
Title
Forced thermal cycling of catalytic reactions: Experiments and modelling
Abstract

Recent studies of catalytic reactions subjected to fast forced temperature oscillations have revealed a rate enhancement increasing with temperature oscillation frequency. We present detailed studies of the rate enhancement up to frequencies of 2.5 Hz. A maximum in the rate enhancement is observed at about 1 Hz. A model for the rate enhancement that includes the surface kinetics and the dynamic partial pressure variations in the reactor is introduced. The model predicts a levelling off of the rate enhancement with frequency at about 1 Hz. The experimentally observed decrease above 1 Hz is explained by dynamic thermal limitations of the reactor.

Keywords
82.65.+r; 82.65.s; 82.40.BjMicroreactor; Catalysis; Temperature cycling
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Forced thermal cycling of catalytic reactions: Experiments and modelling
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 12, December 2007, Pages 1985–1990
Authors
, , , , ,
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
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us