Abstract
A pure platinum (Pt) catalyst and a new industrial catalyst, the silica fiber glass catalyst (SFGC) doped with only 0.2% Pt, were studied and compared. For propane–air catalytic combustion, the ignition of the reaction and its stability were investigated. The reaction, ignited by a laser beam, propagated as a wave front with constant amplitude and velocity along both catalysts, ∼10 mm/s for Pt, and 1–2 mm/s for SFGC. Laser ignition thresholds and the parameter space for front propagation were determined for both catalysts. Spatial instability (resulting in the destruction of the homogeneous regime of combustion and in the formation of hot spots) was found for Pt, but not for SFGC. The new catalyst (SFGC) containing only 10−3 of Pt has the same catalytic activity as pure Pt and better spatial stability.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
V. Barelko,I. Juranov,A. Cherashev et al., Dokl. Chem. 361 (1998) 485.
V. Barelko,A. Cherashev,A. Hrush et al., Kinet. Katal. (2000), accepted.
A.N. Zaikin andA.M. Zhabotinsky, Nature 225 (1970) 535.
I.E. Epstein andJ.A. Pojman, An Introduction to Nonlinear Chemical Dynamics: Oscillations, Waves, Patterns, and Chaos (Oxford University Press, Oxford, 1998).
V. Barelko andYu. Volodin, Dokl. Akad. Nauk SSSR 223 (1975) 665.
V. Barelko,I. Kurochka,A. Merzhanov andK. Shkadinskii, Chem. Eng. Sci. 33 (1978) 805.
V.I. Krinsky, ed., Self-Organization. Autowaves and Structures Far From Equilibrium (Springer, Berlin, 1984).
S. Zhukov andV. Barelko, Dokl. Akad. Nauk SSSR 229 (1976) 655.
M. Sheintuch, Chem. Eng. Sci. 44 (1989) 1081.
G. Philippou andD. Luss, J. Phys. Chem. 96 (1992) 6651.
M. Liauw,M. Somani,J. Annamalai andD. Luss, AIChE J. 43 (1997) 1519.
R.D. Otterstedt,P.J. Plath,N.I. Jaeger andJ.L. Hudson, J. Chem. Soc. Faraday Trans. 92 (1996) 2933.
G. Ertl, Adv. Catal. 37 (1990) 213.
K. Krischer,M. Eiswirth andG. Ertl, J. Chem. Phys. 96 (1992) 9161.
R. Imbihl, Prog. Surf. Sci. 44 (1993) 185.
G. Ertl andH.J. Freud, Phys. Today 52 (1999) 32.
Y. Khazan andL.M. Pismen, Phys. Rev. Lett. 75 (1995) 4318.
J. Lauterbach,G. Bonilla andT. Pletcher, Chem. Eng. Sci. 54 (1999) 4501.
A. De Wit,P. Borckmans andG. Dewel, Proc. Natl. Acad. Sci. USA 94 (1997) 12765.
P. De Kepper,E. Dulos,A. De Wit,G. Dewel andP. Borckmans, La Recherche 305 (1998) 84.
V. Barelko,A. Bonch-Bruevich,Ju. Volodin et al., Dokl. Akad. Nauk SSSR 287 (1986) 1373.
V. Barelko,A. Khrusch andA. Cherashev, Chem. Phys. Rep. 19 (2000) 29 (translation of Khimicheskaya Fizika).
B. Balzhinimaev,L. Simonova et al., Kinet. Katal. (2000), submitted.
Rights and permissions
About this article
Cite this article
Krauns, C., Barelko, V., Fabre, G. et al. Fiber glass supported catalysts and pure platinum: laser ignition of catalytic combustion of propane. Catalysis Letters 72, 161–165 (2001). https://doi.org/10.1023/A:1009057825027
Issue Date:
DOI: https://doi.org/10.1023/A:1009057825027