DOI > 10.5291/ILL-DATA.5-23-690

This proposal is publicly available since 03/19/2023

Title

CO2 capture on Zeolite A and ZK4 with various non-framework cation compositions

Abstract

In this project, we would like to use the neutron powder diffraction (NPD) technique for studying different compositions of zeolites |NaK|-A and |K|-ZK4 to further quantify the changes in the crystal structures upon adsorption of CO2 sorption. We expect to determine the cation positions in the zeolites and their changes caused by adsorption of CO2.Since neutrons are more sensitive for C (b=6.65 fm) and O (b=5.81 fm) as compared with XRD, we also expect to localize the CO2 molecules in the framework. Ion-exchanged zeolites play a potentially important role in the capture of greenhouse gases (e.g. CO2) and for the upgrading of biogas and natural gas.

Experimental Report

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Data Citation

The recommended format for citing this dataset in a research publication is in the following format:

WARDECKI Dariusz; Thomas C. Hansen; HEDIN Niklas; LAVERSENNE Laetitia; NASSIF Vivian; PRZENIOSLO Radoslaw and Przemyslaw Rzepka. (2018). CO2 capture on Zeolite A and ZK4 with various non-framework cation compositions. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-23-690

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Metadata

Experiment Parameters

  • Experiment moment

    0.3 - 7 AA^{-1}

Sample Parameters

  • Formula

    • K1.6Na5.7Si16.7Al7.3O48
    • K8.4Na3.6Si12Al12O48
    • K7.3Si16.7Al.7.3O48
    • K3.3Na4Si16.7Al7.3O48
    • K5Na7Si12Al12O48
    • K4Na8Si12Al12O48