Catalytic and thermal decomposition of ionic liquid monopropellants using a dynamic reactor

Amariei, Daniel; Courthéoux, Laurence; Rossignol, Sylvie; Kappenstein, Charles

doi:10.1016/j.cep.2006.05.010

Cited by 26 publications

(20 citation statements)

References 11 publications

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“…Due to its instability, HAN has been involved in incidents especially at the Hanford and Savannah River Site (SRS) [1]. The Mary Kay O'Connor Process Safety Center (MKOPSC) and other research institutions and groups have conducted extensive research on its thermal stability, decomposition mechanism, and metal ion catalysis by using various techniques under different conditions [3][4][5][6][7][8][9]. These works accumulated significant knowledge of HAN and data to improve HAN processing safety.…”

Section: Introductionmentioning

confidence: 99%

Hydroxylamine nitrate self-catalytic kinetics study with adiabatic calorimetry

Liu

Wei

Guo

et al. 2009

Journal of Hazardous Materials

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Section: Introductionmentioning

confidence: 99%

Hydroxylamine nitrate self-catalytic kinetics study with adiabatic calorimetry

Liu

Wei

Guo

et al. 2009

Journal of Hazardous Materials

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“…Several new vibration peaks at 1,545, 1,618 and 1,675 cm -1 appear in the UV-Raman spectra. The foregoing two peaks may be attributed to the vibration of carboxyl groups [9], and the last one may be due to the m as vibration of NO 2 [10,11].…”

Section: Resultsmentioning

confidence: 99%

“…3 The in-situ UV-Raman spectra of V 4 [10,11]. Attributing to its thermodynamic unstablility, NO 2 will decompose with the increase of the reaction temperature.…”

Section: Resultsmentioning

confidence: 99%

Study on the Reaction Mechanism for Soot Oxidation Over TiO2 or ZrO2-supported Vanadium Oxide Catalysts by Means of In-situ UV-Raman

et al. 2007

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The reaction mechanisms for diesel soot oxidation over V 4 /ZrO 2 or V 4 /TiO 2 oxide catalysts were studied by the means of in-situ UV-Raman spectroscopy.The results indicate that the formation of surface oxygen complexes (SOC) is a key step and the SOC species mainly exist as carboxyl groups. The presence of NO in the reaction gas stream can promote the formation of SOC species. For soot oxidation over V 4 /TiO 2 catalyst, NO 2 can be produced and remarkably accelerate soot oxidation. Based on the UV-Raman experimental results, two different reaction mechanisms are proposed for soot oxidation over V 4 /ZrO 2 or V 4 /TiO 2 samples, respectively.

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“…Several new peaks at 1545, 1618 and 1675 cm 1 shows up in the Raman spectra. The former two peaks may be attributed to the formation of SOC on Printex-U in the presence of V 4 /TiO 2 catalyst [35] , and the last one may be due to the Q as vibration of NO 2 [36,37] . According to the literature, the band at 1545 cm 1 is ascribed to the ring stretching vibrations of aromatic moieties, and the band at 1618 cm 1 may be assigned to the Q A vibration of COO and benzene ring stretching.…”

Section: In-situ Uv-raman Spectramentioning

confidence: 95%

“…Raman spectra taken during the oxidation of soot clearly show that the surface oxygen species can undergo significant structural changes depending on the oxidation temperature and the composition of the support. The band centered at 1675 cm 1 in the spectrum of V 4 /TiO 2 may be assigned to the Q as vibration of NO 2 [36,37] . With the increase of the reaction temperature, the reaction between NO 2 and soot was accelerated.…”

Section: The Mechanism Of Soot Combustion Over Supported Vanadium Oxidesmentioning

confidence: 99%

In-situ UV-Raman study on soot combustion over TiO2 or ZrO2-supported vanadium oxide catalysts

Liu

Zhang

Chen

et al. 2008

Sci. China Ser. B-Chem.

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UV-Raman spectroscopy was used to study the molecular structures of TiO 2 or ZrO 2 -supported vanadium oxide catalysts. The real time reaction status of soot combustion over these catalysts was detected by in-situ UV-Raman spectroscopy. The results indicate that TiO 2 undergoes a crystalline phase transformation from anatase to rutile phase with the increasing of reaction temperature. However, no obvious phase transformation process is observed for ZrO 2 support. The structures of supported vanadium oxides also depend on the V loading. The vanadium oxide species supported on TiO 2 or ZrO 2 attain monolayer saturation when V loading is equal to 4 (4 is the number of V atoms per 100 support metal ions). Interestingly, this loading ratio (V 4 /TiO 2 and V 4 /ZrO 2 ) gave the best catalytic activities for soot combustion reaction on both supports (TiO 2 and ZrO 2 ). The formation of surface oxygen complexes (SOC) is verified by in-situ UV Raman spectroscopy and the SOC mainly exist as carboxyl groups during soot combustion. The presence of NO in the reaction gas stream can promote the production of SOC. vanadium oxide, catalyst, UV-Raman, in-situ, soot combustion

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Catalytic and thermal decomposition of ionic liquid monopropellants using a dynamic reactor

Cited by 26 publications

References 11 publications

Hydroxylamine nitrate self-catalytic kinetics study with adiabatic calorimetry

Hydroxylamine nitrate self-catalytic kinetics study with adiabatic calorimetry

Study on the Reaction Mechanism for Soot Oxidation Over TiO2 or ZrO2-supported Vanadium Oxide Catalysts by Means of In-situ UV-Raman

In-situ UV-Raman study on soot combustion over TiO2 or ZrO2-supported vanadium oxide catalysts

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