The Influence of Phosphorus Exposure on a Natural-Gas-Oxidation Catalyst

M. Kärkkäinen; T. Kolli; Mari Honkanen; O. Heikkinen; A. Väliheikki; M. Huuhtanen; K. Kallinen; J. Lahtinen; M. Vippola; R. L. Keiski

doi:10.1007/s11244-016-0587-x

The Influence of Phosphorus Exposure on a Natural-Gas-Oxidation Catalyst

M. Kärkkäinen^*, T. Kolli, Mari Honkanen, O. Heikkinen, A. Väliheikki, M. Huuhtanen, K. Kallinen, J. Lahtinen, M. Vippola, R. L. Keiski

^*Tämän työn vastaava kirjoittaja

Tutkimustuotos: Lehtiartikkeli › Article › Scientific › vertaisarvioitu

4 Sitaatiot (Scopus)

Abstrakti

Phosphorus is found to have a deactivating effect on the catalytic activity of the studied natural-gas-oxidation catalyst. Accelerated laboratory-scale phosphorus treatment was done to the PtPd/Al₂O₃ natural gas oxidation catalyst. The effect of phosphorus after low (0.065 M) and high (0.13 M) phosphorus concentration treatments was studied by using an inductively coupled plasma optical emission spectroscopy, N₂ physisorption, X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy. In addition, the behavior of the catalyst was studied by a Gasmet FT-IR gas analyzer. Based on the received results it can be concluded that phosphorus was adsorbed on the surface by chemical bonds forming phosphates (PO₄). In addition, the partial transformation of PdO to Pd was observed. Due to the phosphorus adsorption both the CO and CH₄ oxidation activities were lower after the phosphorus treatments compared with the fresh catalyst.

Alkuperäiskieli	Englanti
Sivut	1044-1048
Sivumäärä	5
Julkaisu	Topics in Catalysis
Vuosikerta	59
Numero	10-12
DOI - pysyväislinkit	https://doi.org/10.1007/s11244-016-0587-x
Tila	Julkaistu - 1 heinäk. 2016
OKM-julkaisutyyppi	A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

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10.1007/s11244-016-0587-x

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title = "The Influence of Phosphorus Exposure on a Natural-Gas-Oxidation Catalyst",

abstract = "Phosphorus is found to have a deactivating effect on the catalytic activity of the studied natural-gas-oxidation catalyst. Accelerated laboratory-scale phosphorus treatment was done to the PtPd/Al2O3 natural gas oxidation catalyst. The effect of phosphorus after low (0.065 M) and high (0.13 M) phosphorus concentration treatments was studied by using an inductively coupled plasma optical emission spectroscopy, N2 physisorption, X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy. In addition, the behavior of the catalyst was studied by a Gasmet FT-IR gas analyzer. Based on the received results it can be concluded that phosphorus was adsorbed on the surface by chemical bonds forming phosphates (PO4). In addition, the partial transformation of PdO to Pd was observed. Due to the phosphorus adsorption both the CO and CH4 oxidation activities were lower after the phosphorus treatments compared with the fresh catalyst.",

keywords = "Methane degradation, Palladium, Platinum, Poisoning",

author = "M. K{\"a}rkk{\"a}inen and T. Kolli and Mari Honkanen and O. Heikkinen and A. V{\"a}liheikki and M. Huuhtanen and K. Kallinen and J. Lahtinen and M. Vippola and Keiski, {R. L.}",

year = "2016",

month = jul,

day = "1",

doi = "10.1007/s11244-016-0587-x",

language = "English",

volume = "59",

pages = "1044--1048",

journal = "Topics in Catalysis",

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number = "10-12",

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TY - JOUR

T1 - The Influence of Phosphorus Exposure on a Natural-Gas-Oxidation Catalyst

AU - Kärkkäinen, M.

AU - Kolli, T.

AU - Honkanen, Mari

AU - Heikkinen, O.

AU - Väliheikki, A.

AU - Huuhtanen, M.

AU - Kallinen, K.

AU - Lahtinen, J.

AU - Vippola, M.

AU - Keiski, R. L.

PY - 2016/7/1

Y1 - 2016/7/1

N2 - Phosphorus is found to have a deactivating effect on the catalytic activity of the studied natural-gas-oxidation catalyst. Accelerated laboratory-scale phosphorus treatment was done to the PtPd/Al2O3 natural gas oxidation catalyst. The effect of phosphorus after low (0.065 M) and high (0.13 M) phosphorus concentration treatments was studied by using an inductively coupled plasma optical emission spectroscopy, N2 physisorption, X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy. In addition, the behavior of the catalyst was studied by a Gasmet FT-IR gas analyzer. Based on the received results it can be concluded that phosphorus was adsorbed on the surface by chemical bonds forming phosphates (PO4). In addition, the partial transformation of PdO to Pd was observed. Due to the phosphorus adsorption both the CO and CH4 oxidation activities were lower after the phosphorus treatments compared with the fresh catalyst.

AB - Phosphorus is found to have a deactivating effect on the catalytic activity of the studied natural-gas-oxidation catalyst. Accelerated laboratory-scale phosphorus treatment was done to the PtPd/Al2O3 natural gas oxidation catalyst. The effect of phosphorus after low (0.065 M) and high (0.13 M) phosphorus concentration treatments was studied by using an inductively coupled plasma optical emission spectroscopy, N2 physisorption, X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy. In addition, the behavior of the catalyst was studied by a Gasmet FT-IR gas analyzer. Based on the received results it can be concluded that phosphorus was adsorbed on the surface by chemical bonds forming phosphates (PO4). In addition, the partial transformation of PdO to Pd was observed. Due to the phosphorus adsorption both the CO and CH4 oxidation activities were lower after the phosphorus treatments compared with the fresh catalyst.

KW - Methane degradation

KW - Palladium

KW - Platinum

KW - Poisoning

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U2 - 10.1007/s11244-016-0587-x

DO - 10.1007/s11244-016-0587-x

M3 - Article

AN - SCOPUS:84977071141

SN - 1022-5528

VL - 59

SP - 1044

EP - 1048

JO - Topics in Catalysis

JF - Topics in Catalysis

IS - 10-12

ER -

The Influence of Phosphorus Exposure on a Natural-Gas-Oxidation Catalyst

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