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Cross-Flow Microfiltration of Glycerol Fermentation Broths with Citrobacter freundii
This paper reports the study of the cross-flow microfiltration (MF) of glycerol fermentation broths with Citrobacter freundii bacteria. A single channel tubular ceramic membrane with a nominal pore size of 0.14 µm was used. It has been demonstrated that the MF ceramic membrane has been successfully...
Autores principales: | , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7231405/ https://www.ncbi.nlm.nih.gov/pubmed/32276458 http://dx.doi.org/10.3390/membranes10040067 |
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author | Tomczak, Wirginia Gryta, Marek |
author_facet | Tomczak, Wirginia Gryta, Marek |
author_sort | Tomczak, Wirginia |
collection | PubMed |
description | This paper reports the study of the cross-flow microfiltration (MF) of glycerol fermentation broths with Citrobacter freundii bacteria. A single channel tubular ceramic membrane with a nominal pore size of 0.14 µm was used. It has been demonstrated that the MF ceramic membrane has been successfully applied to bacteria cell removal and to effectively eliminate colloidal particles from glycerol fermentation broths. However, due to fouling, the significant reduction of the MF performance has been demonstrated. In order to investigate the impact of transmembrane pressure (TMP) and feed flow rate (Q) on MF performance, 24 experiments have been performed. The highest steady state permeate flux (138.97 dm(3)/m(2)h) was achieved for 0.12 MPa and 1000 dm(3)/h. Fouling analysis has been studied based on the resistance-in series model. It has been found that the percentage of irreversible fouling resistance during the MF increases with increasing TMP and Q. The permeate flux regeneration has been achieved by membrane cleaning with 3 wt % NaOH and 3 wt % H(3)PO(4) at 45 °C. The results of this study are expected to be useful in industrially employing the MF process as the first step of glycerol fermentation broth purification. |
format | Online Article Text |
id | pubmed-7231405 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-72314052020-05-22 Cross-Flow Microfiltration of Glycerol Fermentation Broths with Citrobacter freundii Tomczak, Wirginia Gryta, Marek Membranes (Basel) Article This paper reports the study of the cross-flow microfiltration (MF) of glycerol fermentation broths with Citrobacter freundii bacteria. A single channel tubular ceramic membrane with a nominal pore size of 0.14 µm was used. It has been demonstrated that the MF ceramic membrane has been successfully applied to bacteria cell removal and to effectively eliminate colloidal particles from glycerol fermentation broths. However, due to fouling, the significant reduction of the MF performance has been demonstrated. In order to investigate the impact of transmembrane pressure (TMP) and feed flow rate (Q) on MF performance, 24 experiments have been performed. The highest steady state permeate flux (138.97 dm(3)/m(2)h) was achieved for 0.12 MPa and 1000 dm(3)/h. Fouling analysis has been studied based on the resistance-in series model. It has been found that the percentage of irreversible fouling resistance during the MF increases with increasing TMP and Q. The permeate flux regeneration has been achieved by membrane cleaning with 3 wt % NaOH and 3 wt % H(3)PO(4) at 45 °C. The results of this study are expected to be useful in industrially employing the MF process as the first step of glycerol fermentation broth purification. MDPI 2020-04-08 /pmc/articles/PMC7231405/ /pubmed/32276458 http://dx.doi.org/10.3390/membranes10040067 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Tomczak, Wirginia Gryta, Marek Cross-Flow Microfiltration of Glycerol Fermentation Broths with Citrobacter freundii |
title | Cross-Flow Microfiltration of Glycerol Fermentation Broths with Citrobacter freundii |
title_full | Cross-Flow Microfiltration of Glycerol Fermentation Broths with Citrobacter freundii |
title_fullStr | Cross-Flow Microfiltration of Glycerol Fermentation Broths with Citrobacter freundii |
title_full_unstemmed | Cross-Flow Microfiltration of Glycerol Fermentation Broths with Citrobacter freundii |
title_short | Cross-Flow Microfiltration of Glycerol Fermentation Broths with Citrobacter freundii |
title_sort | cross-flow microfiltration of glycerol fermentation broths with citrobacter freundii |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7231405/ https://www.ncbi.nlm.nih.gov/pubmed/32276458 http://dx.doi.org/10.3390/membranes10040067 |
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