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Anuar ST, Abdullah NS, Yahya NKEM, Chin TT, Yusof KMKK, Mohamad Y, Azmi AA, Jaafar M, Mohamad N, Khalik WMAWM, Ibrahim YS. A multidimensional approach for microplastics monitoring in two major tropical river basins, Malaysia. Environ Res 2023; 227:115717. [PMID: 36963716 DOI: 10.1016/j.envres.2023.115717] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 03/13/2023] [Accepted: 03/16/2023] [Indexed: 05/08/2023]
Abstract
Microplastics (MPs) with the size of 1 μm-5 mm are pollutants of great concern ubiquitously found in the environment. Existing efforts have found that most of the MPs present in the seas mainly originated from land via riverine inputs. Asian rivers are known to be among the top in microplastic emissions. However, field data are scarce, especially in Malaysia. This study presents the distribution and characteristics of MPs in the surface water of two major river basins of Malaysia, namely Langat River (West Coast/Straits of Malacca) and Kelantan River (East Coast/South China Sea). Water samples were collected at 21-22 locations in Kelantan and Langat rivers, covering the river, estuary and sea. MPs were physically classified based on sizes, shapes, colours and surface morphology (SEM-EDS). The average of 179.6 items/L and 1464.8 items/L of MPs had been quantified from Kelantan and Langat rivers, respectively. Fibre (91.90%) was highly recorded at Kelantan, compared to Langat whereby both fibre (59.21%) and fragment (38.87%) were prevalence. Anthropogenic activities and urbanised areas contribute to high microplastic abundance, especially in the Langat River. Micro-FTIR analysis identified 14 polymers in Kelantan River, whereas 20 polymers were found in Langat River. Polypropylene, polyethylene, polyethylene terephthalate, nylon, phenoxy resins, poly(methyl acrylate), poly(methyl methacrylate), polystyrene, polytetrafluoroethylene, polyurethane and rayon were discovered in both rivers, although only polyethylene was significant (>1 ppm) when further analysed using pyrolysis-GC/MS. Correlation analysis and multiple linear regression were used to explain the relationship between water quality and MP abundance, suggesting only turbidity was positively significant to the microplastic occurrence. This comprehensive study is first to suggest a full-scale monitoring protocol for MPs in Malaysian riverine system and is significant in understanding MPs abundance in correlation to in-situ environmental factors. Consequently, this will allow the right authorities to develop mitigation strategies to address riverine plastic pollution in major river basins in Malaysia and the South East Asia.
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Affiliation(s)
- Sabiqah Tuan Anuar
- Microplastic Research Interest Group (MRIG), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia.
| | - Nor Salmi Abdullah
- Water Quality Laboratory, National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Rizab Melayu Sungai Kuyoh, 43300, Seri Kembangan, Selangor, Malaysia.
| | - Nasehir Khan E M Yahya
- Water Quality Laboratory, National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Rizab Melayu Sungai Kuyoh, 43300, Seri Kembangan, Selangor, Malaysia.
| | - Teen Teen Chin
- ALS Technichem (M) Sdn Bhd., Wisma ALS, No. 21, Jalan Astaka U8/84, Bukit Jelutong, 40150, Shah Alam, Selangor, Malaysia.
| | - Ku Mohd Kalkausar Ku Yusof
- Microplastic Research Interest Group (MRIG), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia.
| | - Yuzwan Mohamad
- Microplastic Research Interest Group (MRIG), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia.
| | - Alyza Azzura Azmi
- Microplastic Research Interest Group (MRIG), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia.
| | - Maisarah Jaafar
- Microplastic Research Interest Group (MRIG), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia.
| | - Noorlin Mohamad
- Microplastic Research Interest Group (MRIG), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia.
| | - Wan Mohd Afiq Wan Mohd Khalik
- Microplastic Research Interest Group (MRIG), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia.
| | - Yusof Shuaib Ibrahim
- Microplastic Research Interest Group (MRIG), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia.
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Khoo YS, Goh PS, Lau WJ, Ismail AF, Abdullah MS, Mohd Ghazali NH, Yahaya NKEM, Hashim N, Othman AR, Mohammed A, Kerisnan NDA, Mohamed Yusoff MA, Fazlin Hashim NH, Karim J, Abdullah NS. Removal of emerging organic micropollutants via modified-reverse osmosis/nanofiltration membranes: A review. Chemosphere 2022; 305:135151. [PMID: 35654232 DOI: 10.1016/j.chemosphere.2022.135151] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/11/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
Hazardous micropollutants (MPs) such as pharmaceutically active compounds (PhACs), pesticides and personal care products (PCPs) have emerged as a critical concern nowadays for acquiring clean and safe water resources. In the last few decades, innumerable water treatment methods involving biodegradation, adsorption and advanced oxidation process have been utilized for the removal of MPs. Of these methods, membrane technology has proven to be a promising technique for the removal of MPs due to its sustainability, high efficiency and cost-effectiveness. Herein, the aim of this article is to provide a comprehensive review regarding the MPs rejection mechanisms of reverse osmosis (RO) and nanofiltration (NF) membranes after incorporation of nanomaterials and also surface modification atop the PA layer. Size exclusion, adsorption and electrostatic charge interaction mechanisms play important roles in governing the MP removal rate. In addition, this review also discusses the state-of-the-art research on the surface modification of thin film composite (TFC) membrane and nanomaterials-incorporated thin film nanocomposite (TFN) membrane in enhancing MPs removal performance. It is hoped that this review can provide insights in modifying the physicochemical properties of NF and RO membranes to achieve better performance in water treatment process, particularly for the removal of emerging hazardous substances.
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Affiliation(s)
- Ying Siew Khoo
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia
| | - Pei Sean Goh
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia
| | - Woei Jye Lau
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia
| | - Ahmad Fauzi Ismail
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia.
| | - Mohd Sohaimi Abdullah
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia
| | - Nor Hisham Mohd Ghazali
- National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Rizab Melayu Sungai Kuyoh, 43300, Seri Kembangan, Selangor, Malaysia
| | - Nasehir Khan E M Yahaya
- National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Rizab Melayu Sungai Kuyoh, 43300, Seri Kembangan, Selangor, Malaysia
| | - Norbaya Hashim
- National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Rizab Melayu Sungai Kuyoh, 43300, Seri Kembangan, Selangor, Malaysia
| | - Ahmad Rozian Othman
- Sewerage Service Department (JPP), Block B, Level 2 & 3, Atmosphere PjH No 2, Jalan Tun Abdul Razak, Precinct 2, 62100, Federal Territory, Putrajaya, Malaysia
| | - Alias Mohammed
- Sewerage Service Department (JPP), Block B, Level 2 & 3, Atmosphere PjH No 2, Jalan Tun Abdul Razak, Precinct 2, 62100, Federal Territory, Putrajaya, Malaysia
| | - Nirmala Devi A/P Kerisnan
- Sewerage Service Department (JPP), Block B, Level 2 & 3, Atmosphere PjH No 2, Jalan Tun Abdul Razak, Precinct 2, 62100, Federal Territory, Putrajaya, Malaysia
| | - Muhammad Azroie Mohamed Yusoff
- National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Rizab Melayu Sungai Kuyoh, 43300, Seri Kembangan, Selangor, Malaysia
| | - Noor Haza Fazlin Hashim
- National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Rizab Melayu Sungai Kuyoh, 43300, Seri Kembangan, Selangor, Malaysia
| | - Jamilah Karim
- National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Rizab Melayu Sungai Kuyoh, 43300, Seri Kembangan, Selangor, Malaysia
| | - Nor Salmi Abdullah
- National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Rizab Melayu Sungai Kuyoh, 43300, Seri Kembangan, Selangor, Malaysia
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Ahmad NA, Goh PS, Azman N, Ismail AF, Hasbullah H, Hashim N, Kerisnan@Krishnan ND, Yahaya NKEM, Mohamed A, Mohamed Yusoff MA, Karim J, Abdullah NS. Enhanced Removal of Endocrine-Disrupting Compounds from Wastewater Using Reverse Osmosis Membrane with Titania Nanotube-Constructed Nanochannels. Membranes (Basel) 2022; 12:membranes12100958. [PMID: 36295717 PMCID: PMC9609337 DOI: 10.3390/membranes12100958] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 09/26/2022] [Accepted: 09/26/2022] [Indexed: 06/01/2023]
Abstract
This paper presents a comprehensive study of the performance of a newly developed titania nanotube incorporated RO membrane for endocrine-disrupting compound (EDC) removal at a low concentration. EDCs are known as an emerging contaminant, and if these pollutants are not properly removed, they can enter the water cycle and reach the water supply for residential use, causing harm to human health. Reverse osmosis (RO) has been known as a promising technology to remove EDCs. However, there is a lack of consensus on their performance, especially on the feed concentrations of EDC that vary from one source to another. In this study, polyamide thin-film composite (PA TFC) membrane was incorporated with one-dimensional titania nanotube (TNT) to mitigate trade-off between water permeability and solute rejection of EDC. The characterization indicated that the membrane surface hydrophilicity has been greatly increased with the presence of TNT. Using bisphenol A (BPA) and caffeine as model EDC, the removal efficiencies of the pristine TFC and thin-film nanocomposite (TFN) membranes were evaluated. Compared to TFC membrane, the membrane modified with 0.01% of TNT exhibited improved permeability of 50% and 49% for BPA and caffeine, respectively. A satisfactory BPA rejection of 89.05% and a caffeine rejection of 97.89% were achieved by the TNT incorporated TFN membranes. Furthermore, the greater hydrophilicity and smoother surface of 0.01 TFN membrane led to lower membrane fouling tendency under long-term filtration.
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Affiliation(s)
- Nor Akalili Ahmad
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Malaysia
| | - Pei Sean Goh
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Malaysia
| | - Nurfirzanah Azman
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Malaysia
| | - Ahmad Fauzi Ismail
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Malaysia
| | - Hasrinah Hasbullah
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Malaysia
| | - Norbaya Hashim
- National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Seri Kembangan 43300, Malaysia
| | - Nirmala Devi Kerisnan@Krishnan
- Sewerage Service Department (JPP), Block B, Level 2 & 3, Atmosphere PjH No 2, Jalan Tun Abdul Razak, Precinct 2, Putrajaya 62100, Malaysia
| | - Nasehir Khan E. M. Yahaya
- National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Seri Kembangan 43300, Malaysia
| | - Alias Mohamed
- Sewerage Service Department (JPP), Block B, Level 2 & 3, Atmosphere PjH No 2, Jalan Tun Abdul Razak, Precinct 2, Putrajaya 62100, Malaysia
| | | | - Jamilah Karim
- National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Seri Kembangan 43300, Malaysia
| | - Nor Salmi Abdullah
- National Water Research Institute of Malaysia (NAHRIM), Lot 5377, Jalan Putra Permai, Seri Kembangan 43300, Malaysia
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Mohd Azani NFS, Hui Chuin CT, Abdullah NS, Sharifuddin SS, Hussin MH. Characterisation and Kinetic Studies on Activated Carbon Derived from Rubber Seed
Shell for the Removal of Methylene Blue in Aqueous Solutions. JPS 2019. [DOI: 10.21315/jps2019.30.2.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Abdullah NS, Das DB, Ye H, Cui ZF. 3D Bone Tissue Growth in Hollow Fibre Membrane Bioreactor: Implications of Various Process Parameters on Tissue Nutrition. Int J Artif Organs 2018; 29:841-51. [PMID: 17033991 DOI: 10.1177/039139880602900905] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
New experimental evidence shows that hollow fibre membrane bioreactor (HFMB) may be applied to grow bulky bone tissues which may then be implanted into patients to repair skeletal defects. To design effective bone tissue engineering protocols, it is necessary to determine the quantitative relationships between the cell environment and tissue behaviour in HFMBs and their relationship with nutrient supply. It is also necessary to determine under what conditions nutritional limitations may occur and, hence, may cause cell death. These require that the appropriate bioreactor conditions for generating neotissues, and the nutrient transfer behaviour and chemical reaction during cell growth and extracellular matrix formation are studied thoroughly. In this paper, we aim to use an existing mathematical framework to analyse the influence of various relevant parameters on nutrient supply for bone tissue growth in HFMB. We adopt the well-known Krogh cylinder approximation of the HFMB. The model parameters (e.g., cell metabolic rates) and operating conditions for the mathematical model have been obtained from, or correspond to, in-house experiments with the exception of a few variables which have been taken from the literature. The framework is then used to study oxygen and glucose transport behaviour in the HFMB. Influence of a number of important process parameters, e.g., reaction kinetics, cell density, inlet concentration of nutrients, etc, on the nutrient distributions have been systematically analysed. The work presented in this paper provides insights on unfavourable system designs and specifications which may be avoided to prevent mass transfer limitations for growing bone tissues in HFMB.
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Affiliation(s)
- N S Abdullah
- Department of Engineering Science, University of Oxford, Oxford - UK
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