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Zhang H, Zou H, Zhao L, Li X. Seasonal distribution and dynamic evolution of antibiotics and evaluation of their resistance selection potential and ecotoxicological risk at a wastewater treatment plant in Jinan, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:44505-44517. [PMID: 36690854 DOI: 10.1007/s11356-023-25202-6] [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: 07/29/2022] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
The seasonal distribution and dynamic evolution of antibiotics in wastewater from main treatment areas and in sludge and their resistance selection potential and ecotoxicological risk were studied at a municipal wastewater treatment plant in Jinan, East China. Ten antibiotics were selected, and all were detected in wastewater and sludge samples, with fluoroquinolones showing the highest detection concentrations and frequencies. Seasonal fluctuations in the antibiotic concentrations in the influent, effluent, and sludge were observed, with the highest values in winter in most cases. The dynamic evolution of antibiotics during the treatment process differed among the seasons. The antibiotic removal efficiencies were incomplete, ranging from - 40.47 to 100%. Mass balance analysis showed that sulfonamides, roxithromycin, and metronidazole were mainly removed through biological processing, whereas fluoroquinolones, doxycycline, and chloramphenicol were removed through sludge adsorption. Levofloxacin, as well as a mixture of the 10 antibiotics from the effluent, could pose a low ecotoxicological risk to Daphnia in the receiving waters. Additionally, levofloxacin and ciprofloxacin in the effluent and ciprofloxacin and metronidazole in the sludge may facilitate the selection of antibiotic-resistant bacteria in the environment.
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Affiliation(s)
- Hui Zhang
- Department of Environment and Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Huiyun Zou
- Department of Environment and Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Ling Zhao
- Department of Environment and Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Xuewen Li
- Department of Environment and Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China.
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Distribution of Sulfonamide Antibiotics and Resistance Genes and Their Correlation with Water Quality in Urban Rivers (Changchun City, China) in Autumn and Winter. SUSTAINABILITY 2022. [DOI: 10.3390/su14127301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
With the extensive use of antibiotics, antibiotics, and antibiotic resistance genes (ARGs), contamination in the water environment is becoming severe in recent years. This study examined the distribution characteristics of sulfonamide antibiotics and resistance genes in the urban section of the Yitong River in autumn and winter. In addition, the correlation between them and water quality parameters was analyzed using Pearson correlation analysis. The surface water from the Yitong River was sampled in September and November for this experiment. The results of 32 samples showed that seven sulfonamides were detected in the surface water and sediments of this reach, and the concentrations were generally at the levels of ng/L and ng/g. The total concentration range was 11–161 ng/L and ND-85.7 ng/g. The concentrations of different antibiotics were similar in autumn and winter, and the concentration of sulfamethoxazole (SMX) was higher than that of other antibiotics. The results of the Risk Quotients (RQs) showed that SMX and sulfadiazine (SDZ) had moderate acute risk to the corresponding sensitive species in river water, sulfapyridine (SPD) and sulfisoxazole (SIZ) had low acute risk, while the rest had no risk. The total bacterial abundance in surface water and sediment was in the range of 104–105 copies/mL and 108–1011 copies/g, respectively. The detection rates of three sulfonamide resistance genes were 100%; the relative abundance was in the range of 10−3–10−1 copies/16S rRNA, and sul1 was the primary resistance gene. The results of correlation analysis showed that there was a significant positive correlation between sulfamethazine (SMZ), sulfathiazole (STZ), and SIZ and water quality indexes such as total nitrogen (TN) and total phosphorus (TP), ammonia nitrogen (NH3-N) and chlorophyll a (Chl-a). The river‘s change of water quality environment could significantly affect the antibiotics’ spatial distribution characteristics and content. The higher the level of nutrients, the higher the concentration of antibiotics. The abundance of sulfa resistance genes was positively correlated with the concentration of sulfa antibiotics. Frequent human activities can increase antibiotic concentration, leading to the production of more resistance genes induced by antibiotics, but the main reason for the formation of resistance genes was not apparent. Therefore, exploring the occurrence and pollution characteristics of antibiotics and ARGs in the environment of the Yitong River Basin in Changchun City and analyzing their sources, transmission, and ecological risks in the environment provided an essential scientific basis for pollution prevention and ecological protection of urban rivers in northern China.
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Cappelli F, Longoni O, Rigato J, Rusconi M, Sala A, Fochi I, Palumbo MT, Polesello S, Roscioli C, Salerno F, Stefani F, Bettinetti R, Valsecchi S. Suspect screening of wastewaters to trace anti-COVID-19 drugs: Potential adverse effects on aquatic environment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 824:153756. [PMID: 35151733 PMCID: PMC8830926 DOI: 10.1016/j.scitotenv.2022.153756] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 02/04/2022] [Accepted: 02/05/2022] [Indexed: 05/06/2023]
Abstract
During the first period of the SARS-CoV-2 pandemic, the lack of specific therapeutic treatments led to the provisional use of a number of drugs, with a continuous review of health protocols when new scientific evidence emerged. The management of this emergency sanitary situation could not take care of the possible indirect adverse effects on the environment, such as the release of a large amount of pharmaceuticals from wastewater treatment plants. The massive use of drugs, which were never used so widely until then, implied new risks for the aquatic environment. In this study, a suspect screening approach using Liquid Chromatography-High Resolution Mass Spectrometry techniques, allowed us to survey the presence of pharmaceuticals used for COVID-19 treatment in three WWTPs of Lombardy region, where the first European cluster of SARS-CoV-2 cases was detected. Starting from a list of sixty-three suspect compounds used against COVID-19 (including some metabolites and transformation products), six compounds were fully identified and monitored together with other target analytes, mainly pharmaceuticals of common use. A monthly monitoring campaign was conducted in a WWTP from April to December 2020 and the temporal trends of some anti-COVID-19 drugs were positively correlated with those of COVID-19 cases and deaths. The comparison of the average emission loads among the three WWTPs evidenced that the highest loads of hydroxychloroquine, azithromycin and ciprofloxacin were measured in the WWTP which received the sewages from a hospital specializing in the treatment of COVID-19 patients. The monitoring of the receiving water bodies evidenced the presence of eight compounds of high ecological concern, whose risk was assessed in terms of toxicity and the possibility of inducing antibiotic and viral resistance. The results clearly showed that the enhanced, but not completely justified, use of ciprofloxacin and azithromycin represented a risk for antibiotic resistance in the aquatic ecosystems.
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Affiliation(s)
- Francesca Cappelli
- Water Research Institute-National Research Council (IRSA-CNR), 20861 Brugherio, MB, Italy; University of Insubria, Department of Human Science of the Innovation for the Territory, 22100 Como, CO, Italy.
| | | | | | | | | | - Igor Fochi
- Thermo Fisher Scientific s.p.a., 20090 Rodano, MI, Italy
| | - Maria Teresa Palumbo
- Water Research Institute-National Research Council (IRSA-CNR), 20861 Brugherio, MB, Italy
| | - Stefano Polesello
- Water Research Institute-National Research Council (IRSA-CNR), 20861 Brugherio, MB, Italy
| | - Claudio Roscioli
- Water Research Institute-National Research Council (IRSA-CNR), 20861 Brugherio, MB, Italy
| | - Franco Salerno
- Water Research Institute-National Research Council (IRSA-CNR), 20861 Brugherio, MB, Italy
| | - Fabrizio Stefani
- Water Research Institute-National Research Council (IRSA-CNR), 20861 Brugherio, MB, Italy
| | - Roberta Bettinetti
- University of Insubria, Department of Human Science of the Innovation for the Territory, 22100 Como, CO, Italy
| | - Sara Valsecchi
- Water Research Institute-National Research Council (IRSA-CNR), 20861 Brugherio, MB, Italy
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Gevao B, Uddin S, Krishnan D, Rajagopalan S, Habibi N. Antibiotics in Wastewater: Baseline of the Influent and Effluent Streams in Kuwait. TOXICS 2022; 10:toxics10040174. [PMID: 35448435 PMCID: PMC9025492 DOI: 10.3390/toxics10040174] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 02/01/2023]
Abstract
This study provides baseline information on the concentrations of antibiotics in influent and effluent from two wastewater treatment plants in regular operation in the State of Kuwait. Wastewater samples were collected from the influent and effluent streams of two WWTPs, over four sampling campaigns and analyzed for a broad range of antibiotics. The mean influent concentrations of sulfamethoxazole, ciprofloxacin, clarithromycin, and cefalexin were 852 ng/L, 672 ng/L, 592 ng/L), and 491 ng/L, respectively, at Umm Al Hayman WWTP. At the Kabd WWTP, the influent concentration of clarithromycin was highest with a mean of 949 ng/L, followed by ciprofloxacin (mean, 865 ng/L), cefalexin (mean, 598 ng/L), and sulfamethoxazole (mean, 520 ng/L). The dominant compounds in the effluent from Umm Al Hayman were sulfamethoxazole (mean, 212 ng/L), ciprofloxacin (mean, 153 ng/L), ofloxacin (mean, 120 ng/L), dimetridazole (mean, 96 ng/L), and metronidazole (mean, 93 ng/L). Whereas, at the Kabd WWTP, the dominant compounds were sulfamethoxazole (mean, 338 ng/L), dimetridazole (mean, 274 ng/L), cefalexin (mean, 213 ng/L), ciprofloxacin (mean, 192 ng/L), and clarithromycin (189 ng/L). The mean influent concentrations of all compounds were higher than those measured in the effluents. The concentrations of antibiotic compounds were not significantly different between the two WWTPs (p > 0.05). The removal efficiencies of the various antibiotics over the four sampling campaigns for the Kabd and Umm Hayman WWTPs ranged between 10.87 and 99.75% and also showed that they were variable and were compound dependent. The data clearly show that the concentrations of antibiotics measured in the influents of both WWTPs were highest in samples collected during the winter-summer (September samples) transition followed by the concentrations measured during the winter-summer (March samples) transition period. This is possibly linked to the increased prescription of these medications to treat infectious diseases and flu prevalent in Kuwait during these periods. This study provides the first reported concentrations of antibiotics in the dissolved aqueous influents and effluents of WWTPs in Kuwait. Additional studies are required to evaluate the environmental impact that antibiotic residues may cause since treated wastewater is used in irrigation, and often there are instances when untreated wastewater is discharged directly into the marine environment.
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Affiliation(s)
- Bondi Gevao
- Environmental Protection Authority, Freetown 47235, Sierra Leone;
| | - Saif Uddin
- Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research, Safat 13109, Kuwait; (D.K.); (S.R.); (N.H.)
- Correspondence:
| | - Divya Krishnan
- Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research, Safat 13109, Kuwait; (D.K.); (S.R.); (N.H.)
| | - Smitha Rajagopalan
- Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research, Safat 13109, Kuwait; (D.K.); (S.R.); (N.H.)
| | - Nazima Habibi
- Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research, Safat 13109, Kuwait; (D.K.); (S.R.); (N.H.)
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Omuferen LO, Maseko B, Olowoyo JO. Occurrence of antibiotics in wastewater from hospital and convectional wastewater treatment plants and their impact on the effluent receiving rivers: current knowledge between 2010 and 2019. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:306. [PMID: 35353241 DOI: 10.1007/s10661-022-09846-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 01/29/2022] [Indexed: 06/14/2023]
Abstract
The increased usage of antibiotics over the recent years has been of great concern all over the world. It is estimated that about 100,000 tons to 200,000 tons of antibiotics are being consumed worldwide. This increased consumption of antibiotics is worrisome as this has resulted in their detection in wastewater treatment plants' (WWTPs) effluent due to the inability of WWTP to remove them during treatment processes. The antibiotics may emanate from hospital effluents, surface waters, and sediments around the world. However, the migration of antibiotics to the environment is detrimental to public health since it can lead to antibiotics resistance in both humans and animals which has now been reported to be one of the biggest threats to public health in this twenty-first century. This present review work established from literature the presence, concentrations, and types of antibiotics both in influents and effluents of various waste treatment plants, natural water bodies, and hospital wastewaters from different countries over the past 10 years (2010-2019). A total of 78 published articles containing information on the presence of antibiotics in convectional and hospital wastewater and also in surface water were retrieved from scientific databases such as ScienceDirect, Google Scholar, PubMed, and Web of Science. A total of 39 different types of antibiotics from 10 different classes of antibiotics and others were recorded. Among the articles reviewed, the most frequently detected antibiotics are the classes of sulfonamides (sulfamethoxazole) which were present in almost all the WWTPs at concentrations as high as 10-800 ng/l in influent and 3600-68,700 ng/l in effluent samples. Macrolides (clarithromycin, erythromycin, azithromycin), trimethoprim, quinolones (ofloxacin, ciprofloxacin, norfloxacin), and tetracyclines (tetracycline) were also highly present in all treatment plants. β-Lactam antibiotics were seldom detected which might be due to hydrolysis. Most of the antibiotics present were recorded in Asian countries such as China and Singapore which have occurrence frequency of 6-30% and in European countries such as Greece and Spain with frequencies of about 6-10%. Future researches on the need for development of more reliable and cost-effective technologies for antibiotic removal such as advanced oxidation processes and remediation methods are suggested for more research attention.
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Affiliation(s)
- Loveth Oke Omuferen
- Department of Chemistry, Sefako Makgatho Health Sciences University, Pretoria, South Africa
| | - B Maseko
- Department of Chemistry, Sefako Makgatho Health Sciences University, Pretoria, South Africa.
| | - J O Olowoyo
- Department of Biology, Sefako Makgatho Health Sciences University, Pretoria, South Africa
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Metagenomic Analysis Reveals the Fate of Antibiotic Resistance Genes in a Full-Scale Wastewater Treatment Plant in Egypt. SUSTAINABILITY 2021. [DOI: 10.3390/su132011131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Wastewater treatment plants (WWTPs) are recognized as hotspots for the dissemination of antibiotic resistance genes (ARGs) and antibiotic-resistant bacteria (ARBs) in the environment. Our study utilized a high-throughput sequencing-based metagenomic analysis approach to compare the ARG abundance profiles of the raw sewage, treated effluent and activated sludge samples from a full-scale WWTP in Egypt. In addition, the difference in microbial community composition due to the treatment process was assessed. As a result, 578 ARG subtypes (resistance genes) belonging to 18 ARG types (antibiotic resistance classes) were identified. ARGs encoding for resistance against multidrug, aminoglycoside, bacitracin, beta-lactam, sulfonamide, and tetracycline antibiotics were the most abundant types. The total removal efficiency percentage of ARGs in the WWTP was found to be 98% however, the ARG persistence results indicated that around 68% of the ARGs in the influent could be found in the treated effluent. This finding suggests that the treated wastewater poses a potential risk for the ARG dissemination in bacterial communities of the receiving water bodies via horizontal gene transfer (HGT). The community composition at phylum level showed that Proteobacteria, Bacteroidetes, Firmicutes, and Actinobacteria were the most abundant phyla in all datasets. Although the relative abundance of several pathogenic bacteria in the influent declined to less than 1% in the effluent, the taxonomic assignments at species level for the effluent and sludge metagenomes demonstrated that clinically important pathogens such as Escherichia coli, Klebsiella pneumonia, and Aeromonas caviae were present. Overall, the results of this study would hopefully enhance our knowledge about the abundance profiles of ARGs and their fate in different wastewater treatment compartments that have never been examined before.
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Mashile GP, Mpupa A, Nomngongo PN. Magnetic Mesoporous Carbon/β-Cyclodextrin-Chitosan Nanocomposite for Extraction and Preconcentration of Multi-Class Emerging Contaminant Residues in Environmental Samples. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:540. [PMID: 33672631 PMCID: PMC7924173 DOI: 10.3390/nano11020540] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 02/12/2021] [Accepted: 02/17/2021] [Indexed: 12/16/2022]
Abstract
This study reports the development of magnetic solid-phase extraction combined with high-performance liquid chromatography for the determination of ten trace amounts of emerging contaminants (fluoroquinolone antibiotics, parabens, anticonvulsants and β-blockers) in water systems. Magnetic mesoporous carbon/β-cyclodextrin-chitosan (MMPC/Cyc-Chit) was used as an adsorbent in dispersive magnetic solid-phase extraction (DMSPE). The magnetic solid-phase extraction method was optimized using central composite design. Under the optimum conditions, the limits of detection (LODs) ranged from 0.1 to 0.7 ng L-1, 0.5 to 1.1 ng L-1 and 0.2 to 0.8 ng L-1 for anticonvulsants and β-blockers, fluoroquinolone and parabens, respectively. Relatively good dynamic linear ranges were obtained for all the investigated analytes. The repeatability (n = 7) and reproducibility (n = 5) were less than 5%, while the enrichment factors ranged between 90 and 150. The feasibility of the method in real samples was assessed by analysis of river water, tap water and wastewater samples. The recoveries for the investigated analytes in the real samples ranged from 93.5 to 98.8%, with %RSDs under 4%.
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Affiliation(s)
- Geaneth Pertunia Mashile
- Department of Chemical Sciences, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Doornfontein 2028, South Africa; (G.P.M.); (A.M.)
- Department of Science and Innovation (DSI)/National Research Foundation (NRF) South African Research Chair (SARChI): Nanotechnology for Water, University of Johannesburg, Doornfontein 2028, South Africa
| | - Anele Mpupa
- Department of Chemical Sciences, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Doornfontein 2028, South Africa; (G.P.M.); (A.M.)
- Department of Science and Innovation (DSI)/National Research Foundation (NRF) South African Research Chair (SARChI): Nanotechnology for Water, University of Johannesburg, Doornfontein 2028, South Africa
| | - Philiswa Nosizo Nomngongo
- Department of Chemical Sciences, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Doornfontein 2028, South Africa; (G.P.M.); (A.M.)
- Department of Science and Innovation (DSI)/National Research Foundation (NRF) South African Research Chair (SARChI): Nanotechnology for Water, University of Johannesburg, Doornfontein 2028, South Africa
- Department of Science and Innovation (DSI)/Mintek Nanotechnology Innovation Centre, University of Johannesburg, Doornfontein 2028, South Africa
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Ouda M, Kadadou D, Swaidan B, Al-Othman A, Al-Asheh S, Banat F, Hasan SW. Emerging contaminants in the water bodies of the Middle East and North Africa (MENA): A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 754:142177. [PMID: 33254914 DOI: 10.1016/j.scitotenv.2020.142177] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 09/01/2020] [Accepted: 09/01/2020] [Indexed: 05/22/2023]
Abstract
Many emerging contaminants (ECs) are not currently removed by conventional water treatment methods and consequently, often reach the aquatic environment. In the absence of proper management strategies, ECs can accumulate in water bodies, which poses potential environmental and health risks. This paper critically reviews, for the first time, the reported occurrence and treatment of ECs in the Middle Eastern and North Africa (MENA) region. The paper also provides recommendations to properly manage EC risks. In the MENA region, pharmaceuticals and personal care products (PPCPs) have been detected in surface water, seawater, groundwater, and wastewater treatment plants. A focus on surface water in the published literature suggests that studies are skewed towards worldwide trends, whereas studies on ECs in seawater are of great importance in the study region. The types of PPCPs detected in the MENA region vary, but anti-inflammatories and antibiotics dominate. In comparison, microplastics have mainly been studied in surface waters and seawater with much less focus on drinking water. The majority of microplastics in the region are secondary types resulting from the degradation of larger plastic debris; polyethylene (PE) and polypropylene (PP) fibers are the most frequently detected polymers, which are indicative of local anthropogenic sources. Research progress on ECs varies between countries, having received more attention in Iran and Tunisia. Most MENA countries have now begun monitoring water bodies for ECs; however, studies are still lacking in some countries including Sudan, Djibouti, Syria, Ethiopia, and Bahrain. Based on this review, critical knowledge gaps and research needs are identified. Countries in the MENA region require further research on a broader range of EC types. Overall, water pollution due to the use and release of ECs can be tackled by improving public awareness, public campaigns, government intervention, and advanced monitoring and treatment methods.
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Affiliation(s)
- Mariam Ouda
- Center for Membranes and Advanced Water Technology (CMAT), Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Dana Kadadou
- Department of Chemical Engineering, American University of Sharjah, Sharjah, United Arab Emirates
| | - Balsam Swaidan
- Center for Membranes and Advanced Water Technology (CMAT), Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Amani Al-Othman
- Department of Chemical Engineering, American University of Sharjah, Sharjah, United Arab Emirates
| | - Sameer Al-Asheh
- Department of Chemical Engineering, American University of Sharjah, Sharjah, United Arab Emirates
| | - Fawzi Banat
- Center for Membranes and Advanced Water Technology (CMAT), Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Shadi W Hasan
- Center for Membranes and Advanced Water Technology (CMAT), Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
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