Fabrication of sphere adsorbent materials based on zeolite 13X, application in household oxygen concentrators

TS. LÊ Văn Dương - ĐH Bách Khoa Hà Nội; Nguyễn Sỹ Tuấn; Đàm Anh Hào; Vũ Đình Tiến; Tạ Ngọc Đôn

doi:10.62239/jca.2024.010

Authors

Le Van Duong School of Chemistry and Life Sciences, Hanoi University of Science and Technology
Nguyen Sy Tuan School of Chemistry and Life Sciences, Hanoi University of Science and Technology
Dam Anh Hao School of Chemistry and Life Sciences, Hanoi University of Science and Technology
Vu Dinh Tien School of Chemistry and Life Sciences, Hanoi University of Science and Technology
Ta Ngoc Don School of Chemistry and Life Sciences, Hanoi University of Science and Technology

DOI:

https://doi.org/10.62239/jca.2024.010

Keywords:

Zeolite 13X, 5A, ressure swing adsorption (PSA), Oxygen, Adsorption

Abstract

Small and medium-scale oxygen concentrators mostly use zeolite adsorbent materials and pressure swing adsorption cycle (PSA or O2-PSA). Oxygen concentrator materials are molecular sieve materials that can selectively adsorb nitrogen to produce concentrated oxygen from the air. In this study, we will manufacture granular adsorbent materials based on 13X zeolite synthesized from natural Vietnamese raw materials, using sol-silica, CMC, boehmite, and kaolinite as binders. The sample was tested for its ability to increase oxygen concentration from air on household oxygen concentrators. The results show that the sample is capable of increasing oxygen concentration to over 90 % by volume with a flow rate of 0.3 L/min.

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