Catalysis Today

, volume 88 , issue 3-4 , pages 111-120

Hydrodechlorination of 1,1,2-trichloro-1,2,2-trifluoroethane (CFC-113) over supported ruthenium and other noble metal catalysts

TOHRU MORI ¹

Tae Yasuoka ¹

Yutaka Morikawa ¹

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Chemical Resources Laboratory, Tokyo Institute of Technology, Nagatsuta, Midori-ku, Yokohama 226-8503, Japan |

Publication type: Journal Article

Publication date: 2004-02-01

Elsevier

Catalysis Today

scimago Q1

wos Q1

SJR: 1.050

CiteScore: 11.2

Impact factor: 5.3

ISSN: 09205861, 18734308

DOI: 10.1016/j.cattod.2003.11.004

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General Chemistry

Catalysis

Abstract

The hydrodechlorination of CCl 2 F–CClF 2 (CFC-113) was studied using silica- and activated carbon-supported Ru, Rh, Pd, and Pt catalysts. The activity of the catalysts changed with time-on-stream. Ru was most stable among the four noble metals and gave a simple product distribution yielding CClFCF 2 (CFC-1113) and CHClF–CClF 2 (HCFC-123a) as main products. Over silica-supported Ru, CFC-1113 yield decreased gradually with time-on-stream but HCFC-123a yield did not change throughout the reaction, suggesting that these products were formed on different sites of Ru. XRD studies and temperature-programmed reduction of the spent catalyst revealed that the deactivation was caused by halogen-containing carbonaceous species accumulated on the Ru surface during the reaction. The carbonaceous species seemed to be formed on the active site for CFC-1113 formation. Because CFC-1113 selectivity was higher over the catalyst having higher Ru dispersion, it was assumed that the hydrodechlorination of CFC-113 is structure-sensitive and CFC-1113 formation is promoted by Ru having highly unsaturated coordination sphere.

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MORI T., Yasuoka T., Morikawa Y. Hydrodechlorination of 1,1,2-trichloro-1,2,2-trifluoroethane (CFC-113) over supported ruthenium and other noble metal catalysts // Catalysis Today. 2004. Vol. 88. No. 3-4. pp. 111-120.

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RIS Copy

TY - JOUR

DO - 10.1016/j.cattod.2003.11.004

UR - https://doi.org/10.1016/j.cattod.2003.11.004

TI - Hydrodechlorination of 1,1,2-trichloro-1,2,2-trifluoroethane (CFC-113) over supported ruthenium and other noble metal catalysts

T2 - Catalysis Today

AU - MORI, TOHRU

AU - Yasuoka, Tae

AU - Morikawa, Yutaka

PY - 2004

DA - 2004/02/01

PB - Elsevier

SP - 111-120

IS - 3-4

VL - 88

SN - 0920-5861

SN - 1873-4308

ER -

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@article{2004_MORI,

author = {TOHRU MORI and Tae Yasuoka and Yutaka Morikawa},

title = {Hydrodechlorination of 1,1,2-trichloro-1,2,2-trifluoroethane (CFC-113) over supported ruthenium and other noble metal catalysts},

journal = {Catalysis Today},

year = {2004},

volume = {88},

publisher = {Elsevier},

month = {feb},

url = {https://doi.org/10.1016/j.cattod.2003.11.004},

number = {3-4},

pages = {111--120},

doi = {10.1016/j.cattod.2003.11.004}

}

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MORI, TOHRU, et al. “Hydrodechlorination of 1,1,2-trichloro-1,2,2-trifluoroethane (CFC-113) over supported ruthenium and other noble metal catalysts.” Catalysis Today, vol. 88, no. 3-4, Feb. 2004, pp. 111-120. https://doi.org/10.1016/j.cattod.2003.11.004.

Publisher

Elsevier

Journal

Catalysis Today

scimago Q1

wos Q1

SJR

1.050

CiteScore

11.2

Impact factor

5.3

ISSN

09205861 (Print)

18734308