Ceramic Nanofiltration Membrane Fouling: Application of Mathematical Modelling to the Use of Excitation Emission Matrix Spectroscopy

Dascalu, Mihaela-Elena; Nedeff, Florin; Sandu, Ion; Mosnegutu, Emilian; Sandu, Andrei Victor; Lopez-Ramirez, Juan Antonio

Mihaela-Elena Dascalu, Florin Nedeff, Ion Sandu, Emilian Mosnegutu, Andrei Victor Sandu, Juan Antonio Lopez-Ramirez

Ceramic Nanofiltration Membrane Fouling: Application of Mathematical Modelling to the Use of Excitation Emission Matrix Spectroscopy

Abstract:

This paper presents a mathematical modeling for a series of experiments in which humic acid (AH) and calcium chloride (CaCl2) were used, in order to visualize the amount of contaminant before and after the nanofiltration (NF) process, using Excitation Emission Matrix Spectroscopy (EEMS). It allows to a better understanding of membrane fouling. The membrane used for these experiments was a NF ceramic membrane made of titanium dioxide (TiO2). For the experimental determinations, a constant amount of 10 mg/L HA and different amounts of CaCl2, respectively 1, 2, 3 and 4 mmol/L were used, considering the working methodology presented in this article. The presence of the amount of contaminant in water was determined using the EEMS method using the FP-8300 Spectrophotometer, after which a spectral analysis was performed. TableCurve 3D software was used to make the mathematical models in order to ensure that the equations obtained had the same shape. The values of the correlation coefficients, corresponding to the generated equations, have values ranging from 0.91 to 0.93. In order to verify the mathematical models thus obtained, graphs of the difference between the surface obtained with the help of the mathematical models and the surface obtained by means of real data were drawn. In conclusion, it turns out that, the largest difference was obtained in the case of samples taken from the feed, with a maximum difference of 31 fluorescence intensity arbitrary units (a.u.), and for the samples taken from the permeate the deference is 14 fluorescence intensity a.u.

Keywords:
mathematical modeling; nanofiltration (NF); humic acid (HA); calcium chloride (CaCl2); spectroscopy; emission excitation matrix (EEM)

Issue: 2020, Volume 71, Issue 5

Pages: 330-339

Publication date: 2020/5/29

https://doi.org/10.37358/RC.20.5.8141

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This article is published under the Creative Commons Attribution 4.0 International License

Citation Styles

Cite this article as:
DASCALU, M., NEDEFF, F., SANDU, I., MOSNEGUTU, E., SANDU, A.V., LOPEZ-RAMIREZ, J.A., Ceramic Nanofiltration Membrane Fouling: Application of Mathematical Modelling to the Use of Excitation Emission Matrix Spectroscopy, Rev. Chim., 71(5), 2020, 330-339.

Vancouver
Dascalu M, Nedeff F, Sandu I, Mosnegutu E, Sandu AV, Lopez-Ramirez JA. Ceramic Nanofiltration Membrane Fouling: Application of Mathematical Modelling to the Use of Excitation Emission Matrix Spectroscopy. Rev. Chim.[internet]. 2020 May;71(5):330-339. Available from: https://doi.org/10.37358/RC.20.5.8141

APA 6th edition
Dascalu, M., Nedeff, F., Sandu, I., Mosnegutu, E., Sandu, A.V. & Lopez-Ramirez, J.A. (2020). Ceramic Nanofiltration Membrane Fouling: Application of Mathematical Modelling to the Use of Excitation Emission Matrix Spectroscopy. Revista de Chimie, 71(5), 330-339. https://doi.org/10.37358/RC.20.5.8141

Harvard
Dascalu, M., Nedeff, F., Sandu, I., Mosnegutu, E., Sandu, A.V., Lopez-Ramirez, J.A. (2020). 'Ceramic Nanofiltration Membrane Fouling: Application of Mathematical Modelling to the Use of Excitation Emission Matrix Spectroscopy', Revista de Chimie, 71(5), pp. 330-339. https://doi.org/10.37358/RC.20.5.8141

IEEE
M. Dascalu, F. Nedeff, I. Sandu, E. Mosnegutu, A.V. Sandu, J.A. Lopez-Ramirez, "Ceramic Nanofiltration Membrane Fouling: Application of Mathematical Modelling to the Use of Excitation Emission Matrix Spectroscopy". Revista de Chimie, vol. 71, no. 5, pp. 330-339, 2020. [online]. https://doi.org/10.37358/RC.20.5.8141

Text
Mihaela-Elena Dascalu, Florin Nedeff, Ion Sandu, Emilian Mosnegutu, Andrei Victor Sandu, Juan Antonio Lopez-Ramirez,
Ceramic Nanofiltration Membrane Fouling: Application of Mathematical Modelling to the Use of Excitation Emission Matrix Spectroscopy,
Revista de Chimie,
Volume 71, Issue 5,
2020,
Pages 330-339,
ISSN 2668-8212,
https://doi.org/10.37358/RC.20.5.8141.
(https://revistadechimie.ro/Articles.asp?ID=8141)
Keywords: mathematical modeling; nanofiltration (NF); humic acid (HA); calcium chloride (CaCl2); spectroscopy; emission excitation matrix (EEM)

RIS
TY - JOUR
T1 - Ceramic Nanofiltration Membrane Fouling: Application of Mathematical Modelling to the Use of Excitation Emission Matrix Spectroscopy
A1 - Dascalu, Mihaela-Elena
A2 - Nedeff, Florin
A3 - Sandu, Ion
A4 - Mosnegutu, Emilian
A5 - Sandu, Andrei Victor
A6 - Lopez-Ramirez, Juan Antonio
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2020
VL - 71
IS - 5
SP - 330
EP - 339
UR - https://doi.org/10.37358/RC.20.5.8141
KW - mathematical modeling
KW - nanofiltration (NF)
KW - humic acid (HA)
KW - calcium chloride (CaCl2)
KW - spectroscopy
KW - emission excitation matrix (EEM)
ER -

BibTex
@article{RevCh2020P330,
author = {Dascalu Mihaela-Elena and Nedeff Florin and Sandu Ion and Mosnegutu Emilian and Sandu Andrei Victor and Lopez-Ramirez Juan Antonio},
title = {Ceramic Nanofiltration Membrane Fouling: Application of Mathematical Modelling to the Use of Excitation Emission Matrix Spectroscopy},
journal = {Revista de Chimie},
volume = {71},
number = {5},
pages = {330-339},
year = {2020},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.20.5.8141},
url = {https://revistadechimie.ro/Articles.asp?ID=8141}
}

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