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通过化学和相敏 X 射线显微镜研究单个催化剂颗粒中金属中毒与沸石失活的相关性。

Correlating metal poisoning with zeolite deactivation in an individual catalyst particle by chemical and phase-sensitive X-ray microscopy.

机构信息

Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitslaan 99, 3584 CG Utrecht, The Netherlands.

出版信息

Angew Chem Int Ed Engl. 2013 Jun 3;52(23):5983-7. doi: 10.1002/anie.201210030. Epub 2013 Apr 24.

DOI:10.1002/anie.201210030
PMID:23616490
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3749464/
Abstract

Fluid catalytic cracking (FCC) is the main conversion process used in oil refineries. An X-ray microscopy method is used to show that metal poisoning and related structural changes in the zeolite active material lead to a non-uniform core–shell deactivation of FCC catalyst particles. The study links the detrimental effect of V and Ni poisoning with zeolite destruction and dealumination in a spatial manner within a single FCC catalyst particle.

摘要

流化催化裂化（FCC）是炼油厂中主要的转化过程。本文采用 X 射线显微镜方法表明，沸石活性材料中的金属中毒和相关结构变化导致 FCC 催化剂颗粒的非均匀核壳失活。该研究以空间方式将 V 和 Ni 中毒的有害影响与单个 FCC 催化剂颗粒内沸石的破坏和脱铝作用联系起来。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3caf/3749464/9e965b9d156c/anie0052-5983-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3caf/3749464/a4f07ac99282/anie0052-5983-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3caf/3749464/270d7dad9933/anie0052-5983-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3caf/3749464/37849ba7307b/anie0052-5983-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3caf/3749464/9e965b9d156c/anie0052-5983-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3caf/3749464/a4f07ac99282/anie0052-5983-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3caf/3749464/270d7dad9933/anie0052-5983-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3caf/3749464/37849ba7307b/anie0052-5983-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3caf/3749464/9e965b9d156c/anie0052-5983-f4.jpg

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