Evaluation of the porosity size of a polymeric membrane made from cellulose acetate with silicon oxide nanoparticles

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DOI:

https://doi.org/10.26490/uncp.prospectivauniversitaria.2023.20.1974

Keywords:

Porosity, Nano-particles, Membranes

Abstract

Polymeric cellulose membranes are used in ultrafiltration processes for the retention of particles larger than 2.5 μm; however, the porosity of the fibers in the membranes is not homogeneous, allowing bacteria to pass through during the purification of water for human consumption. In the present investigation, SiO2 nano-particles were added to the fibers of cellulose nitrate membranes to evaluate the porosity decreasing capacity. Membranes of porosity between 0.29 and 17.74 μm whose distribution among the cellulose fibers were not homogeneous were used. The addition of SiO2 nano-particles to the cellulose nitrate membranes decreased the porosity to a pore size of 0.82 and 3.02 μm.

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References

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Published

2024-02-27

Issue

Vol. 20 No. 1 (2023): January - June

Section

Original article

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How to Cite

Evaluation of the porosity size of a polymeric membrane made from cellulose acetate with silicon oxide nanoparticles. (2024). University Prospective in Engineering and Technology, 20(1), 48-53. https://doi.org/10.26490/uncp.prospectivauniversitaria.2023.20.1974

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