Methanol Synthesis from CO2 and H2 Mixture over 60 per cent Cu/support (FeAlO3, ZnAl2O4) Catalysts

• Autorzy: Maniecki T. P. , Mierczyński P. , Bawolak-Olczak K. , Jóźwiak W. K.
• Języki publikacji: EN

Abstrakty

EN

The aim of this work was to determine the correlation between catalytical activity of copper supported catalysts 60 per cent Cu/support (FeAlO3, ZnAl2O4) in methanol synthesis and their physicochemical properties. Surface area measurements (BET), X-ray diffraction (XRD) and temperature-programmed reduction (TPR-H2) techniques were used to study the physicochemical properties of Cu/support catalysts. The activity tests in methanol synthesis were carried out over copper catalysts in the temperature range 180–260 graduate C at elevated pressure (4 MPa) in a fixed bed reactor. Monometallic supported catalyst 60 per cent Cu/FeAlO3 was more active, but less selective in comparison with 60 per cent Cu/ZnAl2O4 catalyst in methanol synthesis. The XRD results confirmed the presence of binary oxide (ZnAl2O4 and FeAlO3), copper oxide, alfa-Fe2O3 and ZnO for appreciate copper supported catalysts. A reduction study of copper catalyst confirmed two step of copper oxide reduction (Cu2+ rightwards arrow Cu+rightwards arrow Cu0).

Słowa kluczowe

EN

methanol synthesis; ZnAl2O4; FeAlO3; copper catalysts; TPR

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2009
• Tom: Vol. 83, nr 9
• Strony: 1653--1662
• Opis fizyczny: Bibliogr. 26 poz., rys.

Twórcy

autor

Maniecki T. P.

autor

Mierczyński P.

autor

Bawolak-Olczak K.

autor

Jóźwiak W. K.

• Technical University of Lodz, Institute of General and Ecological Chemistry, 90-924 Łódź, Żeromskiego 116, Poland,

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