Decomposition of chlorofluorocarbons over metal phosphate catalysis

Takita, Yusaku; Wakamatsu, Hironori; Li, Gong Liang; Moro‐oka, Yoshihiko; Nishiguchi, Hiroyasu; Ishihara, Tatsumi

doi:10.1016/s1381-1169(99)00324-6

Cited by 31 publications

(11 citation statements)

References 15 publications

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“…Aluminum orthophosphate had about 100 m 2 •g -1 of specific surface area, on the other hand, polyphosphate had smaller one than 1 m 2 •g -1 13 .…”

Section: Condensation Degree Of Aluminum Phosphatesmentioning

confidence: 91%

“…These gases have the high global warming potential, therefore we have to build up the process to save and decompose 1 . Some novel catalysts for decomposition of the gases have been studied in the view of prevention of global warming 2,3 . The catalysts were required the high conversion of global warming gas, the high selectivity to low warming potential and harmless compounds, and long catalytic lifetime for the application.…”

Section: Introductionmentioning

confidence: 99%

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Development of Inorganic Condensed Phosphate Catalysts for Decomposition of Global Warming Gas

Onoda

2006

Phosphorus Research Bulletin

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Aluminum and nickel ortho-and condensed phosphates were used as a catalyst for decomposition of trifluoromethane and nitrogen trifluoride. The specific surface area, acid strength, and amount of acidic sites of phosphates were also estimated. The condensation degree of phosphates, the addition of other metal cation, and the reforming by mechanical treatment were discussed on the catalytic activity of the phosphates for the design of catalyst.

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“…Aluminum orthophosphate had about 100 m 2 •g -1 of specific surface area, on the other hand, polyphosphate had smaller one than 1 m 2 •g -1 13 .…”

Section: Condensation Degree Of Aluminum Phosphatesmentioning

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Development of Inorganic Condensed Phosphate Catalysts for Decomposition of Global Warming Gas

Onoda

2006

Phosphorus Research Bulletin

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“…They suggested that factors other than acidity are important in the hydrolysis of CFC-12 over AlPO 4 [64]. They examined reversibly and irreversibly adsorbed water on AlPO 4 and CePO 4 -AlPO 4 by a TPD method.…”

Section: Reaction Mechanismmentioning

confidence: 99%

A review of CFC and halon treatment technologies – The nature and role of catalysts

Kennedy

Adesina

et al. 2006

Catal Surv Asia

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The purpose of this review article is to provide readers with an account of CFC and halon treatment technologies as depicted in the patent and open literature. Destruction technologies, in which halons and CFCs are converted into species such as CO 2 , HX or X 2 (X = Br, Cl, F), are treated less extensively. Emphasis has been placed on conversion processes, which aim at transforming (rather than destroying) CFC or halon into environmentally benign and useful products. It has been found that catalytic hydrodehalogenation over transition metal based catalysts, Pd in particular, has great potential for conversion of CFCs and halons to hydrofluorocarbons. In this regard, the focus of this review is on catalytic hydrodehalogenation, including an assessment of reaction mechanisms, catalytic activity, selectivity and durability.

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“…In the previous papers concerning CCl 2 F 2 decomposition over various metal phosphates, the following facts are clarified [7][8][9][10][11][12][13][14][15][16][17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Catalytic activity of rare earth phosphates for SF6 decomposition and promotion effects of rare earths added into AlPO4

Kashiwagi¹,

Takai

Takubo³

et al. 2009

Journal of Colloid and Interface Science

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Decomposition of chlorofluorocarbons over metal phosphate catalysis

Cited by 31 publications

References 15 publications

Development of Inorganic Condensed Phosphate Catalysts for Decomposition of Global Warming Gas

Development of Inorganic Condensed Phosphate Catalysts for Decomposition of Global Warming Gas

A review of CFC and halon treatment technologies – The nature and role of catalysts

Catalytic activity of rare earth phosphates for SF6 decomposition and promotion effects of rare earths added into AlPO4

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