Catalytic Combustion

Prasad, Ravi; Kennedy, Lawrence A.; Ruckenstein, Eli

doi:10.1080/01614948408078059

Cited by 413 publications

(177 citation statements)

References 55 publications

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“…The moderate temperatures involved into a catalytic oxidizer cause, besides the attractive saved energy, the possibility to use heat exchangers made by common alloys (John Zink Company, 1991) and also a higher selectivity to CO 2 and H 2 O; harmful by-products, such as dioxin and nitrogen oxides, which are formed into thermal oxidizers (Ramachandran, 1996) (involve high temperatures), are not generated. It has been reported that formation of partially oxidized intermediates, much toxic than the originals could occur (Lintz and Wittstock, 2001).…”

Section: Catalytic Oxidation Versus Thermal Oxidation As Methods For mentioning

confidence: 99%

“…The application of catalytic oxidation like a method for emission control is described in the literature in several review articles (Prasad, 1984;Nakajima, 1991). The moderate temperatures involved into a catalytic oxidizer cause, besides the attractive saved energy, the possibility to use heat exchangers made by common alloys (John Zink Company, 1991) and also a higher selectivity to CO 2 and H 2 O; harmful by-products, such as dioxin and nitrogen oxides, which are formed into thermal oxidizers (Ramachandran, 1996) (involve high temperatures), are not generated.…”

Section: Catalytic Oxidation Versus Thermal Oxidation As Methods For mentioning

confidence: 99%

“…Due to its high activity, tolerance to sulphur and refractory nature (Prasad et al, 1984), CuO based catalysts have been considered as substitutes for noble metal catalysts in VOCs control.…”

Section: Metal Oxides Like Active Phases On Vocs Oxidationmentioning

confidence: 99%

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Destruction of volatile organic compounds by catalytic oxidation

Noordally¹,

Richmond²,

Tahir³

1993

Catalysis Today

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Volatile organic compounds, emitted by a lot of sources, particularly from gasoline engines of automobiles, are air pollutants that give rise to deleterious health and environmental effects. Total catalytic oxidation is an attractive method in controlling these emissions due the great amounts of energy saved, by the moderate temperature involved. For wide implementation of catalytic combustion, thermally, mechanically and chemically stable catalysts are required. The paper is a short reviewing of the available catalysts and also of the new innovations concerning either enhance of their performances or new better formulations.

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Section: Catalytic Oxidation Versus Thermal Oxidation As Methods For mentioning

confidence: 99%

Section: Catalytic Oxidation Versus Thermal Oxidation As Methods For mentioning

confidence: 99%

See 1 more Smart Citation

Destruction of volatile organic compounds by catalytic oxidation

Noordally¹,

Richmond²,

Tahir³

1993

Catalysis Today

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“…[1,2,3,4,5,6,7,8] Hence, there is a growing need to understand the key parameters determining the reaction mechanisms. One of the most important parameters crucially influencing the catalytic activity of Pd-based catalysts is their chemical state under reaction conditions which is known to switch between metallic and oxidic under typical reaction conditions, [6,9,10,11] depending on O 2 pressure and temperature.…”

Section: Introductionmentioning

confidence: 99%

Growth and decomposition of aligned and ordered PdO nanoparticles

Penner

Wang

Jenewein

et al. 2006

The Journal of Chemical Physics

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The formation, thermal decomposition, and reduction of small PdO particles were studied by high-resolution transmission electron microscopy and selected area electron diffraction. Welldefined Pd particles (mean size of 5-7 nm) were grown epitaxially on NaCl (001) surfaces and subsequently covered by a layer of amorphous SiO 2 (25 nm), prepared by reactive deposition of SiO in 10 -2 Pa O 2 . The resulting films were exposed to molecular O 2 in the temperature range of 373-673 K, and the growth of PdO was studied. The formation of a PdO phase starts at 623 K and is almost completed at 673 K. The high-resolution experiments suggest a topotactic growth of PdO crystallites on top of the original Pd particles. Subsequent reaction of the PdO in 10 mbar CO for 15 min and thermal decomposition in 1 bar He for 1 h were also investigated in the temperature range from 373 to 573 K. Reductive treatments in CO up to 493 K do not cause a significant change in the PdO structure. The reduction of PdO starts at 503 K and is completed at 523 K. In contrast, PdO decomposes in 1 bar He at around 573 K. The mechanism of PdO growth and decay is discussed and compared to results of previous studies on other metals, e.g., on rhodium.

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“…To control air pollution, catalytic combustion can be applied to destruct polluting volatile organic compounds (VOCs); see, e_g. Prasad et al (1984) and Zwinkels et al (1993). Comparing catalytic combustion to thermal combustion, heterogeneous catalysed reactions usually proceed at much lower temperatures.…”

Section: Introductionmentioning

confidence: 99%

The catalytic oxidation of organic contaminants in a packed bed reactor

Beld

Bijl

Reinders

et al. 1994

Chemical Engineering Science

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Abstract--The catalytic oxidation of several hydrocarbons was studied over noble metal and metal oxide catalysts. A fast empirical method was developed to determine the minimum operating temperature required to guarantee complete conversion of the hydrocarbon.The influence of the operating parameters such as the inlet concentration and residence time, as well as the chemical character of the component to be oxidized, have been investigated. The results can be described satisfactorily by a simple isothermal, plug flow reactor model and first-order reaction kinetics. In the case of simultaneous oxidation of different components a significant mixture effect was not observed. The presence of water in the feed did significantly inhibit the oxidation of alkanes.Of the applied catalysts, Pt was the most effective for the combustion of the alkenes, whereas Pd showed a higher activity for the oxidation of alkanes.

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Catalytic Combustion

Cited by 413 publications

References 55 publications

Destruction of volatile organic compounds by catalytic oxidation

Destruction of volatile organic compounds by catalytic oxidation

Growth and decomposition of aligned and ordered PdO nanoparticles

The catalytic oxidation of organic contaminants in a packed bed reactor

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