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用于同步加速器PXRD和XAFS研究的原位/操作中活塞流固定床池，可实现高温、高压、可控气体气氛和超快加热。

In situ/operando plug-flow fixed-bed cell for synchrotron PXRD and XAFS investigations at high temperature, pressure, controlled gas atmosphere and ultra-fast heating.

作者信息

Bischoff Benjamin, Bekheet Maged F, Dal Molin Emiliano, Praetz Sebastian, Kanngießer Birgit, Schomäcker Reinhard, Etter Martin, Jeppesen Henrik S, Tayal Akhil, Gurlo Aleksander, Gili Albert

机构信息

Technische Universität Berlin, Faculty III Process Sciences, Institute of Materials Science and Technology, Chair of Advanced Ceramic Materials, Straße des 17 Juni 135, 10623 Berlin, Germany.

Technische Universität Berlin, Faculty III Process Sciences, Institute for Optic and Atomic Physics, Straße des 17 Juni 135, 10623 Berlin, Germany.

出版信息

J Synchrotron Radiat. 2024 Jan 1;31(Pt 1):77-84. doi: 10.1107/S1600577523009591.

DOI:10.1107/S1600577523009591
PMID:38010796
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10833430/
Abstract

A plug-flow fixed-bed cell for synchrotron powder X-ray diffraction (PXRD) and X-ray absorption fine structure (XAFS) idoneous for the study of heterogeneous catalysts at high temperature, pressure and under gas flow is designed, constructed and demonstrated. The operating conditions up to 1000°C and 50 bar are ensured by a set of mass flow controllers, pressure regulators and two infra-red lamps that constitute a robust and ultra-fast heating and cooling method. The performance of the system and cell for carbon dioxide hydrogenation reactions under specified temperatures, gas flows and pressures is demonstrated both for PXRD and XAFS at the P02.1 (PXRD) and the P64 (XAFS) beamlines of the Deutsches Elektronen-Synchrotron (DESY).

摘要

设计、构建并展示了一种用于同步辐射粉末X射线衍射（PXRD）和X射线吸收精细结构（XAFS）的活塞流固定床池，适用于在高温、高压和气流条件下研究多相催化剂。通过一组质量流量控制器、压力调节器和两个红外灯确保高达1000°C和50 巴的操作条件，这构成了一种强大且超快速的加热和冷却方法。在德国电子同步加速器（DESY）的P02.1（PXRD）和P64（XAFS）光束线上，针对PXRD和XAFS展示了该系统和池在特定温度、气流和压力下用于二氧化碳加氢反应的性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/57bb006be500/s-31-00077-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/21ef1c092a75/s-31-00077-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/e90ba26ed6bb/s-31-00077-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/e9dfccae0104/s-31-00077-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/45ea09029185/s-31-00077-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/dcfab959d698/s-31-00077-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/57bb006be500/s-31-00077-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/21ef1c092a75/s-31-00077-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/e90ba26ed6bb/s-31-00077-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/e9dfccae0104/s-31-00077-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/45ea09029185/s-31-00077-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/dcfab959d698/s-31-00077-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dc98/10833430/57bb006be500/s-31-00077-fig6.jpg

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本文引用的文献

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