In situ characterization of catalysts and membranes in a microchannel under high-temperature water gas shift reaction conditions

16th International Conference on X-ray Absorption Fine Structure

Cavusoglu, G.^1,2 ; Dallmann, F.^3 ; Lichtenberg, H.^1,2 ; Goldbach, A.^4 ; Dittmeyer, R.^3 ; Grunwaldt, J.-D.^1,2

Institute of Catalysis Research and Technology (IKFT), Karlsruhe Institute of Technology (KIT), Germany^1

Institute for Chemical Technology and Polymer Chemistry (ITCP), KIT, Germany^2

Institute for Micro Process Engineering (IMVT), KIT, Germany^3

Dalian Institute of Chemical Physics (DICP), Dalian National Laboratory for Clean Energy (DNL), China^4

关键词: High heat transfers;    High temperature water gas shift reactions;    High-temperature water;    Hydrogen selective membrane;    In-situ characterization;    Methane steam reforming;    Microreactor technology;    Spectroscopic measurements;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/712/1/012054/pdf
DOI  :  10.1088/1742-6596/712/1/012054

来源: IOP

【 摘 要 】

Microreactor technology with high heat transfer in combination with stable catalysts is a very attractive approach for reactions involving major heat effects such as methane steam reforming and to some extent, also the high temperature water gas shift (WGS) reaction. For this study Rh/ceria catalysts and an ultrathin hydrogen selective membrane were characterized in situ in a microreactor specially designed for x-ray absorption spectroscopic measurements under WGS conditions. The results of these experiments can serve as a basis for further development of the catalysts and membranes.