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处理方法对含镁Y型沸石表面性质的影响

Impact of Treatment Methods on the Surface Properties of the Mg-Containing Zeolite Y.

作者信息

Biessikirski Andrzej, Kaczmarczyk Grzegorz Piotr, Kolano Malwina, Kaznowska-Opala Karolina, Ruggiero-Mikołajczyk Małgorzata, Gurgul Jacek, Kuterasiński Łukasz

机构信息

Faculty of Civil Engineering and Resource Management, AGH University of Krakow, 30-059 Krakow, Poland.

Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, 30-239 Krakow, Poland.

出版信息

Materials (Basel). 2025 Feb 26;18(5):1033. doi: 10.3390/ma18051033.

DOI:10.3390/ma18051033
PMID:40077261
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11901066/
Abstract

In the undertaken research, we investigated the preparation route's influence mainly on the surface properties of the final form of Mg-containing zeolite Y. The parent zeolite was subjected to modification with aqueous solutions of magnesium nitrate via impregnation, ion-exchange, and ultrasonic techniques, respectively. The results obtained from the Atomic Force Microscopy (AFM), Computer Tomography (CT), and crystallinity evaluations indicated that the method of zeolite modification influenced the physicochemical properties of the studied samples. Wet impregnation caused additional surface roughness, whereas both ion-exchange and sonication led to surface smoothing of the Mg-containing zeolite Y. Nitrogen adsorption analysis indicated no enormous changes in the porosity of Mg-containing zeolite Y, which can be explained by a relatively high resistance of zeolite to interaction with magnesium nitrate aqueous solutions. However, the biggest changes in porosity were observed for Mg-Y prepared via the impregnation technique due to the longest contact between the zeolite and Mg solution.

摘要

在本研究中，我们主要研究了制备路线对含镁Y型沸石最终形态表面性质的影响。分别通过浸渍法、离子交换法和超声技术，用硝酸镁水溶液对母体沸石进行改性。原子力显微镜（AFM）、计算机断层扫描（CT）和结晶度评估结果表明，沸石改性方法影响了所研究样品的物理化学性质。湿法浸渍导致额外的表面粗糙度，而离子交换法和超声处理均使含镁Y型沸石表面变得光滑。氮气吸附分析表明，含镁Y型沸石的孔隙率没有巨大变化，这可以通过沸石与硝酸镁水溶液相互作用的相对较高抗性来解释。然而，由于沸石与镁溶液之间的接触时间最长，通过浸渍技术制备的Mg-Y的孔隙率变化最大。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/70adafb6a5d3/materials-18-01033-g0A9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/d38aa0148633/materials-18-01033-g0A1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/2d4b3dd829b2/materials-18-01033-g0A2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/cc0009c127f3/materials-18-01033-g0A3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/784d03d15d9a/materials-18-01033-g0A4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/a57fae8eee6d/materials-18-01033-g0A5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/d8a93a36af73/materials-18-01033-g0A6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/288379448298/materials-18-01033-g0A7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/77f319cab112/materials-18-01033-g0A8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/70adafb6a5d3/materials-18-01033-g0A9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/d38aa0148633/materials-18-01033-g0A1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/2d4b3dd829b2/materials-18-01033-g0A2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/cc0009c127f3/materials-18-01033-g0A3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/784d03d15d9a/materials-18-01033-g0A4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/a57fae8eee6d/materials-18-01033-g0A5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/d8a93a36af73/materials-18-01033-g0A6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/288379448298/materials-18-01033-g0A7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/77f319cab112/materials-18-01033-g0A8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c66/11901066/70adafb6a5d3/materials-18-01033-g0A9.jpg

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Materials (Basel). 2022 Aug 25;15(17):5855. doi: 10.3390/ma15175855.
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Sonochemically prepared hierarchical MFI-type zeolites as active catalysts for catalytic ethanol dehydration.
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