| Title: | Energy intake models for intermittent operation of dead-end microfiltration filling line |
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| Authors: | ID Ravnik, Jure (Author)
ID Bombek, Gorazd (Author)
ID Hribernik, Aleš (Author)
ID Gomboc, Timi (Author)
ID Zadravec, Matej (Author)
ID Kapun, Aleks (Author)
ID Hrovat, Grega (Author)
ID Gradišek, Jure (Author)
ID Hriberšek, Matjaž (Author) |
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| Files: |  energies-15-08854-v2.pdf (4,01 MB)
MD5: F4C9F9AC4832A071F315EA0BBA5C65A3
 https://www.mdpi.com/1996-1073/15/23/8854
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| Language: | English |
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| Work type: | Article |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FS - Faculty of Mechanical Engineering
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| Abstract: | In filling lines equipped with membrane separation devices in the form of filters energy,
consumption is only one of the important working parameters, the other being sustainable filter
performance in terms of separation efficiency. As the filling line is typically equipped with a valve,
intermittent operation of the filter is an important form of its use. Whereas the overall energy
consumption of the filtration process is governed by the continuous operation mode, the intermittent
mode, characterised by opening/closing of the valve, contributes most to problems of filter failure,
i.e., the breakthrough of filtered particles through the membrane. A model for determination of the
energy intake of a microfiltration membrane during the opening and closing of a valve is presented
in this work. The model is based on computational analysis of the pressure wave signals recorded
during the opening/closing of the valve using Fourier transform, and expressed in a nondimensional
filter area specific energy intake form. The model is applied to a case of constant pressure dead-end
microfiltration with three filter types: a single membrane filter, a stacked filter and a pleated filter
with filtration surface areas ranging from 17.7 cm2
to 2000 cm2. Both clean filters, as well as partially clogged filter cases are taken into account. Second order polynomial models of the energy intake are developed and evaluated based on extensive analysis of the experimental data. The analysis of energy intake results show that the largest energy intake was observed for the clean filter case. When membrane fouling occurs at the constant flow rate values it leads to larger energy intake, however,
due to a decreasing specific flow rate during fouling these values do not exceed the clean filter case. |
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| Keywords: | membrane filtration, water hammer effect, membrane energy intake, filter clogging |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 21.10.2022 |
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| Article acceptance date: | 21.11.2022 |
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| Publication date: | 23.11.2022 |
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| Publisher: | MDPI AG |
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| Year of publishing: | 2022 |
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| Number of pages: | str. 1-18 |
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| Numbering: | iss. 23, 8854 |
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| PID: | 20.500.12556/DKUM-92305  |
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| UDC: | 532.51 |
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| ISSN on article: | 1996-1073 |
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| COBISS.SI-ID: | 132258563 |
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| DOI: | 10.3390/en15238854 |
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| Copyright: | © 2022 by the authors |
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| Publication date in DKUM: | 28.03.2025 |
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| Views: | 161 |
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| Downloads: | 9 |
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| Metadata: |    |
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| Categories: | Misc.
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