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Rafryanto AF, Ramadina ZDP, Nur’aini S, Arrosyid BH, Zulfi A, Rochman NT, Noviyanto A, Arramel. High Recovery of Ceramic Membrane Cleaning Remediation by Ozone Nanobubble Technology. ACS OMEGA 2024; 9:11484-11493. [PMID: 38496990 PMCID: PMC10938438 DOI: 10.1021/acsomega.3c08379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 02/11/2024] [Accepted: 02/13/2024] [Indexed: 03/19/2024]
Abstract
The persistent issue of ceramic membrane fouling poses significant challenges to its widespread implementation. To address this concern, ozone nanobubbles (ozone-NBs) have garnered attention due to their remarkable mass transfer efficiency. In this investigation, we present a novel ozone-NB generator system to effectively clean a fouled ceramic membrane that is typically employed in the dye industry. The surface characteristics of the ceramic membrane underwent significant alterations, manifesting incremental changes in surface roughness and foulant accumulation reduction, as evidenced in atomic force microscopy, scanning electron microscopy, X-ray fluorescence, and energy-dispersive spectroscopy. Remarkably, the sequential 4 h cleaning process demonstrates an effective outcome leading to an almost 2-fold enhancement in the membrane flux. The initial fouled state of 608 L/h/m2 increased to 1050 L/h/m2 in the 4 h state with a recovery of 50%. We propose such membrane performance improvement governed by the ozone-NBs with a size distribution of 213.2 nm and a zeta potential value of -20.26 ± 0.13 mV, respectively. This effort showcases a substantial innovative and sustainable technology approach toward proficient foulant removal in water treatment applications.
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Affiliation(s)
- Ande F. Rafryanto
- Nano
Center Indonesia, Jl. Raya Serpong, South Tangerang, Banten 15314, Indonesia
- Department
of Chemical Engineering, Imperial College
London, South Kensington
Campus, London SW72AZ, U.K.
| | - Zakia D. P. Ramadina
- Nano
Center Indonesia, Jl. Raya Serpong, South Tangerang, Banten 15314, Indonesia
| | - Syarifa Nur’aini
- Nano
Center Indonesia, Jl. Raya Serpong, South Tangerang, Banten 15314, Indonesia
| | - Bagas H. Arrosyid
- Nano
Center Indonesia, Jl. Raya Serpong, South Tangerang, Banten 15314, Indonesia
| | - Akmal Zulfi
- Nano
Center Indonesia, Jl. Raya Serpong, South Tangerang, Banten 15314, Indonesia
- Research
Center for Environmental and Clean Technology, National Research and Innovation Agency (BRIN), Komplek BRIN Cisitu, Bandung 40135, Indonesia
| | - Nurul T. Rochman
- Nano
Center Indonesia, Jl. Raya Serpong, South Tangerang, Banten 15314, Indonesia
- Research
Center for Advanced Materials, National
Research and Innovation Agency, South Tangerang, Banten 15314, Indonesia
| | - Alfian Noviyanto
- Nano
Center Indonesia, Jl. Raya Serpong, South Tangerang, Banten 15314, Indonesia
- Department
of Mechanical Engineering, Faculty of Engineering, Mercu Buana University, Jl. Meruya Selatan, Kebun Jeruk, Jakarta 11650, Indonesia
| | - Arramel
- Nano
Center Indonesia, Jl. Raya Serpong, South Tangerang, Banten 15314, Indonesia
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Abdelrazeq H, Khraisheh M. Porosity Effect of Polystyrene Membranes on Desalination Performance: A Combined Experimental and Numerical Heat and Mass Transfer Study in Direct Contact Membrane Distillation. Polymers (Basel) 2023; 15:polym15081821. [PMID: 37111968 PMCID: PMC10144847 DOI: 10.3390/polym15081821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/29/2023] [Accepted: 03/31/2023] [Indexed: 04/29/2023] Open
Abstract
Membrane distillation (MD) is a thermal-based membrane operation with high potential for use in the treatment of aqueous streams. In this study, the linear relationship between the permeate flux and the bulk feed temperature for different electrospun polystyrene membranes is discussed. The dynamics of combined heat and mass transfer mechanisms across different membrane porosities of 77%, 89%, and 94%, each with different thicknesses, are examined. The main results for the effect of porosity with respect to the thermal efficiency and evaporation efficiency of the DCMD system are reported for electrospun polystyrene membranes. A 14.6% increase in thermal efficiency was noted for a 15% increase in membrane porosity. Meanwhile, a 15.6% rise in porosity resulted in a 5% increase in evaporation efficiency. A mathematical validation along with computational predictions is presented and interlinked with the maximum thermal and evaporation efficiencies for the surface membrane temperatures at the feed and temperature boundary regions. This work helps to further understand the interlinked correlations of the surface membrane temperatures at the feed and temperature boundary regions with respect to the change in membrane porosity.
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Affiliation(s)
- Haneen Abdelrazeq
- Department of Chemical Engineering, College of Engineering, Qatar University, Doha P.O. Box 2713, Qatar
| | - Majeda Khraisheh
- Department of Chemical Engineering, College of Engineering, Qatar University, Doha P.O. Box 2713, Qatar
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The Potential of Membrane Contactors in the Pre-Treatment and Post-Treatment Lines of a Reverse Osmosis Desalination Plant. SEPARATIONS 2023. [DOI: 10.3390/separations10020129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
Abstract
The flexibility of membrane contactors (MCs) is highlighted for a reverse osmosis (RO) desalination plant. MCs are applied as pre-treatment for the oxygen removal and the pH reduction of seawater, also as post-treatment for the pH increase of the RO permeate and the reduction of the RO brine volume. A decrease of the seawater pH down to neutral values, as needed when coagulation is used in the pre-treatment line of RO, together with an increase of the RO permeate pH up to 7.58, matching the target of produced water, can be obtained without the use of chemicals. Direct Contact Membrane Distillation (DCMD) and Vacuum Membrane Distillation (VMD) are investigated as function of the feed concentration (ranging from 40 g/L to 80 g/L) and temperature (40 °C–80° C). Their performance is compared at parity of operating conditions and in terms of applied driving force. Both distillation systems are able to efficiently reject salts (rejection > 99.99%), while higher distillate fluxes are obtained when a vacuum is applied at the permeate side (15 kg/m2h vs. 6.6 kg/m2h for the 80 g/L feed).
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