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Junaidi A, Zulfiani U, Khomariyah S, Gunawan T, Widiastuti N, Sazali N, Salleh WNW. Utilization of polyphenylene sulfide as an organic additive to enhance gas separation performance in polysulfone membranes. RSC Adv 2024; 14:2311-2319. [PMID: 38213981 PMCID: PMC10782222 DOI: 10.1039/d3ra06136a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 11/10/2023] [Indexed: 01/13/2024] Open
Abstract
Many studies have shown that sulfur-containing compounds significantly affect the solubility of carbon dioxide (CO2) in adsorption processes. However, limited attention has been devoted to incorporating organic fillers containing sulfur atoms into gas separation membrane matrices. This study addressed the gap by developing a new membrane using a polysulfone (PSf) polymer matrix and polyphenylene sulfide (PPs) filler material. This membrane could be used to separate mixtures of H2/CH4 and CO2/CH4 gases. Our study investigated the impact of various PPs loadings (1%, 5%, and 10% w/w) relative to PSf on membrane properties and gas separation efficiency. Comprehensive characterization techniques, including Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscopy (SEM), were employed to understand how adding PPs and coating with polydimethylsiloxane (PDMS) changed the structure of our membranes. XRD and FTIR analysis revealed distinct morphological disparities and functional groups between pure PSf and PSf/PPs composite membranes. SEM results show an even distribution of PPs on the membrane surface. The impact of adding PPs on gas separation was significant. CO2 permeability increased by 376.19%, and H2 permeability improved by 191.25%. The membrane's gas selection ability significantly improved after coating the surface with PDMS. CO2/CH4 separation increased by 255.06% and H2/CH4 separation by 179.44%. We also considered the Findex to assess the overall performance of the membrane. The 5% and 10% PPs membranes were exceptional. Adding PPs to membrane technology may greatly enhance gas separation processes.
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Affiliation(s)
- Afdhal Junaidi
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Sukolilo Surabaya 60111 Indonesia
| | - Utari Zulfiani
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Sukolilo Surabaya 60111 Indonesia
| | - Siti Khomariyah
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Sukolilo Surabaya 60111 Indonesia
| | - Triyanda Gunawan
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Sukolilo Surabaya 60111 Indonesia
| | - Nurul Widiastuti
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Sukolilo Surabaya 60111 Indonesia
| | - Norazlianie Sazali
- Centre of Excellence for Advanced Research in Fluid Flow (CARIFF), Universiti Malaysia Pahang Al-Sultan Abdullah Lebuhraya Tun Razak Gambang 26300 Kuantan Pahang Malaysia
| | - Wan Norharyati Wan Salleh
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia 81310 Skudai Johor Darul Takzim Malaysia
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia 81310 Skudai Johor Malaysia
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Harkou E, Hafeez S, Adamou P, Zhang Z, Tsiotsias AI, Charisiou ND, Goula MA, Al-Salem SM, Manos G, Constantinou A. Different reactor configurations for enhancement of CO 2 methanation. ENVIRONMENTAL RESEARCH 2023; 236:116760. [PMID: 37507039 DOI: 10.1016/j.envres.2023.116760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 07/16/2023] [Accepted: 07/26/2023] [Indexed: 07/30/2023]
Abstract
Greenhouse gas emissions are a massive concern for scientists to minimize the effect of global warming in the environment. In this study, packed bed, coated wall, and membrane reactors were investigated using three novel nickel catalysts for the methanation of CO2. CFD modelling methodologies were implemented to develop 2D models. The validity of the model was investigated in a previous study where experimental and simulated results in a packed bed reactor were in a good agreement. It was observed that the coated wall reactor had poorer performance compared to the packed bed, approximately 30% difference between the results, as the residence time of the former was lower. In addition, two membrane configurations were proposed, including a membrane packed bed and membrane coated wall reactor. Additional studies were performed in the coated wall reactor revealing that lower flow rates lead to higher conversion values. As for the bed thickness the optimum layer was found to be 1 mm. In both membrane reactor configurations, the effect of the thickness of M1 membrane, which indicates the membrane for the removal of H2O, didn't show difference while the reduction of the thickness of M2 membrane, which indicates the membrane for the removal of CO2, H2 and H2O, showed better results in terms of conversion.
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Affiliation(s)
- Eleana Harkou
- Department of Chemical Engineering, Cyprus University of Technology, 57 Corner of Athinon and Anexartisias, Limassol, 3036, Cyprus
| | - Sanaa Hafeez
- School of Engineering and Materials Science, Queen Mary University of London, London, E14NS, UK
| | - Panayiota Adamou
- Department of Chemical Engineering, Cyprus University of Technology, 57 Corner of Athinon and Anexartisias, Limassol, 3036, Cyprus
| | - Zhien Zhang
- WilliamG. Lowrie Department of Chemical and Biomolecular Engineerig, The Ohio State University Columbus, OH, 43210, USA
| | - Anastasios I Tsiotsias
- Laboratory of Alternative Fuels and Environmental Catalysis (LAFEC), Department of Chemical Engineering, University of Western Macedonia, GR-50100, Greece
| | - Nikolaos D Charisiou
- Laboratory of Alternative Fuels and Environmental Catalysis (LAFEC), Department of Chemical Engineering, University of Western Macedonia, GR-50100, Greece
| | - Maria A Goula
- Laboratory of Alternative Fuels and Environmental Catalysis (LAFEC), Department of Chemical Engineering, University of Western Macedonia, GR-50100, Greece
| | - S M Al-Salem
- Environmental & Life Sciences Research Centre, Kuwait Institute for Scientific Research, Kuwait
| | - George Manos
- Department of Chemical Engineering, University College London, London, WCIE7JE, UK
| | - Achilleas Constantinou
- Department of Chemical Engineering, Cyprus University of Technology, 57 Corner of Athinon and Anexartisias, Limassol, 3036, Cyprus.
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Zulfiani U, Junaidi A, Nareswari C, Ali BTI, Jaafar J, Widyanto AR, Saiful, Dharma HNC, Widiastuti N. Performance of a membrane fabricated from high-density polyethylene waste for dye separation in water. RSC Adv 2023; 13:7789-7797. [PMID: 36909764 PMCID: PMC9994421 DOI: 10.1039/d2ra07595d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/12/2023] [Indexed: 03/14/2023] Open
Abstract
Industrial growth can have a good impact on a country's economic growth, but it can also cause environmental problems, including water pollution. About 80% of industrial wastewater is discharged into the environment without treatment, of which 17-20% is dominated by dyes, such as methylene blue (MB) and methyl orange (MO) from the textile industry. Only about 5% of a textile dye is used in the dyeing process and the rest is discarded. This problem, of course, requires special handling considering the harmful effects to health. On the other hand, the abundance of plastic waste is increasing by 14% or 85 000 tons per year. This problem must be solved due to its film-forming properties. High-density polyethylene (HDPE) is one type of plastic used as a membrane material. Therefore, in this study, HDPE plastic waste was utilized as a membrane for dye removal. In this study, HDPE plastic waste was fabricated via a thermal-induced phase-separation method using mineral oil as a solvent at various concentrations of 8%, 10%, 13%, and 15% (w/w). All the membranes were characterized by scanning electron microscopy, Fourier transform infrared spectroscopy, and contact angle measurements. The results showed that the HDPE membrane at a concentration of 15% displayed the best performance compared to the others in terms of MB rejection. The negative charge (-36.9) of the HDPE membrane was more effective for cationic dye removal compared to the anionic dye. The flux and rejection of HDPE 15% for 100 ppm MB and MO removal were 2.71 and 4.93 L m-2 h-1, and 99.72% and 89.8%, respectively. The pure water flux of the membrane was 15.01 L m-2 h-1 and the tensile strength was 0.3435 MPa.
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Affiliation(s)
- Utari Zulfiani
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Sukolilo Surabaya 60111 Indonesia
| | - Afdhal Junaidi
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Sukolilo Surabaya 60111 Indonesia
| | - Cininta Nareswari
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Sukolilo Surabaya 60111 Indonesia
| | - Badrut Tamam Ibnu Ali
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Sukolilo Surabaya 60111 Indonesia
| | - Juhana Jaafar
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia 81310 Skudai Johor Bahru Malaysia
| | - Alvin Rahmad Widyanto
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Sukolilo Surabaya 60111 Indonesia
| | - Saiful
- Department of Chemistry, Faculty of Mathematic and Natural Science, Universitas Syiah Kuala Banda Aceh 23111 Indonesia
| | - Hadi Nugraha Cipta Dharma
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia 81310 Skudai Johor Bahru Malaysia
| | - Nurul Widiastuti
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Sukolilo Surabaya 60111 Indonesia
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Widiastuti N, Silitonga RS, Dharma HNC, Jaafar J, Widyanto AR, Purwanto M. Decreasing free fatty acid of crude palm oil with polyvinylidene fluoride hollow fiber membranes using a combination of chitosan and glutaraldehyde. RSC Adv 2022; 12:22662-22670. [PMID: 36105979 PMCID: PMC9373912 DOI: 10.1039/d2ra04005k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 07/29/2022] [Indexed: 11/21/2022] Open
Abstract
Crude palm oil (CPO) has emerged as a significant commodity in the economic and social development of producer nations.
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Affiliation(s)
- Nurul Widiastuti
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember (ITS), Sukolilo, Surabaya 60111, Indonesia
| | - Romaya Sitha Silitonga
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember (ITS), Sukolilo, Surabaya 60111, Indonesia
| | - Hadi Nugraha Cipta Dharma
- Advanced Membrane Technology (AMTEC) Research Centre, School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Malaysia
| | - Juhana Jaafar
- Advanced Membrane Technology (AMTEC) Research Centre, School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Malaysia
| | - Alvin Rahmad Widyanto
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember (ITS), Sukolilo, Surabaya 60111, Indonesia
| | - Mochammad Purwanto
- Chemical Engineering, Department of Industrial and Process Technology, Institut Teknologi Kalimantan, Jl. Soekarno Hatta No. KM 15, Balikpapan 76127, Indonesia
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