The role of pyrrhotite (Fe
                        7
                        S
                        8
                        ) and the sample texture in the hydrothermal transformation of pentlandite ((Fe,Ni)
                        9
                        S 
                        8
                        ) to violarite ((Ni,Fe)
                        3
                        S
                        4
                        )

Fang Xia; Jinwen Zhou; Allan Pring; Yung Ngothai; Brian O'Neill; Joël Brugger; Guorong Chen; Chris Colby

doi:10.1007/s11144-007-5197-y

The role of pyrrhotite (Fe ₇ S ₈ ) and the sample texture in the hydrothermal transformation of pentlandite ((Fe,Ni) ₉ S ₈ ) to violarite ((Ni,Fe) ₃ S ₄ )

Fang Xia, Jinwen Zhou, Allan Pring, Yung Ngothai, Brian O'Neill, Joël Brugger, Guorong Chen, Chris Colby

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

The catalytic role of pyrrhotite (Fe ₇ S ₈ ) in the reaction kinetics of the hydrothermal transformation of pentlandite ((Fe,Ni) ₉ S ₈ ) to violarite ((FeNi ₂ S ₄ ) was found to depend on the physical form of pyrrhotite. Pyrrhotite in fine scale intergrown with pentlandite boosts the reaction, whereas in a mechanical mixture of pyrrhotite and pentlandite, it plays the opposite role. This phenomenon was interpreted as result of dissolution of pyrrhotite under reaction conditions.

Original language	English
Pages (from-to)	257-266
Number of pages	10
Journal	Reaction Kinetics and Catalysis Letters
Volume	92
Issue number	2
DOIs	https://doi.org/10.1007/s11144-007-5197-y
Publication status	Published - 29 Nov 2007
Externally published	Yes

Keywords

Pentlandite
Pyrrhotite
Replacement reaction
Violarite

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Xia, F., Zhou, J., Pring, A., Ngothai, Y., O'Neill, B., Brugger, J., Chen, G., & Colby, C. (2007). The role of pyrrhotite (Fe ₇ S ₈ ) and the sample texture in the hydrothermal transformation of pentlandite ((Fe,Ni) ₉ S ₈ ) to violarite ((Ni,Fe) ₃ S ₄ ). Reaction Kinetics and Catalysis Letters, 92(2), 257-266. https://doi.org/10.1007/s11144-007-5197-y

Xia, Fang ; Zhou, Jinwen ; Pring, Allan et al. / The role of pyrrhotite (Fe ₇ S ₈ ) and the sample texture in the hydrothermal transformation of pentlandite ((Fe,Ni) ₉ S ₈ ) to violarite ((Ni,Fe) ₃ S ₄ ). In: Reaction Kinetics and Catalysis Letters. 2007 ; Vol. 92, No. 2. pp. 257-266.

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title = "The role of pyrrhotite (Fe 7 S 8 ) and the sample texture in the hydrothermal transformation of pentlandite ((Fe,Ni) 9 S 8 ) to violarite ((Ni,Fe) 3 S 4 )",

abstract = " The catalytic role of pyrrhotite (Fe 7 S 8 ) in the reaction kinetics of the hydrothermal transformation of pentlandite ((Fe,Ni) 9 S 8 ) to violarite ((FeNi 2 S 4 ) was found to depend on the physical form of pyrrhotite. Pyrrhotite in fine scale intergrown with pentlandite boosts the reaction, whereas in a mechanical mixture of pyrrhotite and pentlandite, it plays the opposite role. This phenomenon was interpreted as result of dissolution of pyrrhotite under reaction conditions.",

keywords = "Pentlandite, Pyrrhotite, Replacement reaction, Violarite",

author = "Fang Xia and Jinwen Zhou and Allan Pring and Yung Ngothai and Brian O'Neill and Jo{\"e}l Brugger and Guorong Chen and Chris Colby",

year = "2007",

month = nov,

day = "29",

doi = "10.1007/s11144-007-5197-y",

language = "English",

volume = "92",

pages = "257--266",

journal = "Reaction Kinetics and Catalysis Letters",

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}

Xia, F, Zhou, J, Pring, A, Ngothai, Y, O'Neill, B, Brugger, J, Chen, G & Colby, C 2007, 'The role of pyrrhotite (Fe ₇ S ₈ ) and the sample texture in the hydrothermal transformation of pentlandite ((Fe,Ni) ₉ S ₈ ) to violarite ((Ni,Fe) ₃ S ₄ )', Reaction Kinetics and Catalysis Letters, vol. 92, no. 2, pp. 257-266. https://doi.org/10.1007/s11144-007-5197-y

The role of pyrrhotite (Fe ₇ S ₈ ) and the sample texture in the hydrothermal transformation of pentlandite ((Fe,Ni) ₉ S ₈ ) to violarite ((Ni,Fe) ₃ S ₄ ). / Xia, Fang; Zhou, Jinwen; Pring, Allan et al.

In: Reaction Kinetics and Catalysis Letters, Vol. 92, No. 2, 29.11.2007, p. 257-266.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - The role of pyrrhotite (Fe 7 S 8 ) and the sample texture in the hydrothermal transformation of pentlandite ((Fe,Ni) 9 S 8 ) to violarite ((Ni,Fe) 3 S 4 )

AU - Xia, Fang

AU - Zhou, Jinwen

AU - Pring, Allan

AU - Ngothai, Yung

AU - O'Neill, Brian

AU - Brugger, Joël

AU - Chen, Guorong

AU - Colby, Chris

PY - 2007/11/29

Y1 - 2007/11/29

N2 - The catalytic role of pyrrhotite (Fe 7 S 8 ) in the reaction kinetics of the hydrothermal transformation of pentlandite ((Fe,Ni) 9 S 8 ) to violarite ((FeNi 2 S 4 ) was found to depend on the physical form of pyrrhotite. Pyrrhotite in fine scale intergrown with pentlandite boosts the reaction, whereas in a mechanical mixture of pyrrhotite and pentlandite, it plays the opposite role. This phenomenon was interpreted as result of dissolution of pyrrhotite under reaction conditions.

AB - The catalytic role of pyrrhotite (Fe 7 S 8 ) in the reaction kinetics of the hydrothermal transformation of pentlandite ((Fe,Ni) 9 S 8 ) to violarite ((FeNi 2 S 4 ) was found to depend on the physical form of pyrrhotite. Pyrrhotite in fine scale intergrown with pentlandite boosts the reaction, whereas in a mechanical mixture of pyrrhotite and pentlandite, it plays the opposite role. This phenomenon was interpreted as result of dissolution of pyrrhotite under reaction conditions.

KW - Pentlandite

KW - Pyrrhotite

KW - Replacement reaction

KW - Violarite

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EP - 266

JO - Reaction Kinetics and Catalysis Letters

JF - Reaction Kinetics and Catalysis Letters

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ER -

Xia F, Zhou J, Pring A, Ngothai Y, O'Neill B, Brugger J et al. The role of pyrrhotite (Fe ₇ S ₈ ) and the sample texture in the hydrothermal transformation of pentlandite ((Fe,Ni) ₉ S ₈ ) to violarite ((Ni,Fe) ₃ S ₄ ). Reaction Kinetics and Catalysis Letters. 2007 Nov 29;92(2):257-266. https://doi.org/10.1007/s11144-007-5197-y

The role of pyrrhotite (Fe ₇ S ₈ ) and the sample texture in the hydrothermal transformation of pentlandite ((Fe,Ni) ₉ S ₈ ) to violarite ((Ni,Fe) ₃ S ₄ )

Abstract

Keywords

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