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Lv Z, Meng X, Sun S, Jiang T, Li Y, Feng J. Construction and formulation optimization of prothioconazole nanoemulsions for the control of Fusarium graminearum: Enhancing activity and reducing toxicity. Colloids Surf B Biointerfaces 2023; 227:113379. [PMID: 37267682 DOI: 10.1016/j.colsurfb.2023.113379] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/04/2023]
Abstract
In this study, the optimal emulsifier for prothioconazole nanoemulsions was initially screened based on appearance, microscopic observation, mean droplet size and polydispersity index (PDI). In addition, the BoxBehnken design method is adopted, and the optimal formula is screened with an emulsification time, emulsifier content, and solvent content as a single factor. On this basis, the nanoemulsion meets FAO standards for various indicators. The contact angle of droplets on wheat leaves was significantly reduced. This nanoemulsion also showed good inhibitory activity against Fusarium graminearum (EC50 =1.94 mg L-1), low acute toxicity to zebrafish (LC50 =26.35 mg L-1) and good biosafety to BEAS-2B cells. The nanoemulsion reduced the adverse effects of pesticide on wheat seed germination and growth. This study can help promote the design and manufacture of stable, efficient and safe agricultural nanoemulsions, and is expected to benefit the sustainable development of green plant protection.
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Affiliation(s)
- Ze Lv
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China
| | - Xiaohan Meng
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China
| | - Shaoyang Sun
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China
| | - Tianzhen Jiang
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China
| | - Yan Li
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China
| | - Jianguo Feng
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China.
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2
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Kedir WM, Wondimu KT, Weldegrum GS. Optimization and characterization of biodiesel from waste cooking oil using modified CaO catalyst derived from snail shell. Heliyon 2023; 9:e16475. [PMID: 37305456 PMCID: PMC10256935 DOI: 10.1016/j.heliyon.2023.e16475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 05/09/2023] [Accepted: 05/17/2023] [Indexed: 06/13/2023] Open
Abstract
Currently, research has diverted toward generating renewable fuels due to the unreliable supply and rising cost of conventional fuels. Biodiesel is renewable fuel commonly obtainable via a simple process. Biodiesel was produced via the transterification of waste cooking oil (WCO) using heterogeneous catalysts. The aim of this study was to synthesis a ZnO and TiO2-supported CaO catalyst from a snail shell for the transterification of waste cooking palm oil to produce biodiesel. Sol-gel and wet-impregnated methods were adopted to synthesize ZnO and catalyst, respectively. The physicochemical properties of waste cooking oil and biodiesel were characterized in accordance to AOAC and ASTMD standard methods. The FTIR and XRD analyses were carried out to characterize the biodiesel and the prepared catalysts. The result of this study revealed that CaO catalyst derived from snail shall, resulted to a WCO-derived biodiesel yield of 80%. The CaO catalyst modified with ZnO and TiO2, further led to an increased biodiesel of 90% and 95%, respectively. The result of this study showed that the optimum conditions associated with highest biodiesel yield over the synthesized catalysts were at 3% catalyst weight, 65 °C, a 6:1 methanol-to-oil ratio and 3-h reaction time. The FTIR spectra also proved successful formation of biodiesel. Biodiesel was successfully synthesized from WCO, and the CaO catalyst synthesized from snail shells and modified with ZnO and TiO2, showed potential to substitute for costly catalysts derived from chemical reagents for biodiesel production.
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Karimian H, Li Y, Chen Y, Wang Z. Evaluation of different machine learning approaches and aerosol optical depth in PM 2.5 prediction. ENVIRONMENTAL RESEARCH 2023; 216:114465. [PMID: 36241075 DOI: 10.1016/j.envres.2022.114465] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 09/11/2022] [Accepted: 09/27/2022] [Indexed: 06/16/2023]
Abstract
Atmospheric Aerosol Optical Depth (AOD), derived from polar-orbiting satellites, has shown potential in PM2.5 predictions. However, this important source of data suffers from low temporal resolution. Recently, geostationary satellites provide AOD data in high temporal and spatial resolution. However, the feasibility of these data in PM2.5 prediction needs further study. In this paper, we analyzed the impact of AOD derived from Himawari-8 in PM2.5 predictions. Moreover, by combining wavelet, machine learning techniques, and minimum redundancy maximum relevance (mRMR), a novel hybrid model was proposed. The results showed that AOD missing rate over Yangtze River Delta region is the highest in Nanjing, Hefei, and Maanshan. In addition, missing rates are the lowest in winter and summer (∼80%). Moreover, we found that considering AOD, as an auxiliary variable in the model, could not improve the accuracy of PM2.5 predictions, and in some cases decreased it slightly. In comparison with other models, our proposed hybrid model showed higher prediction accuracy, R2 is improved by 11.64% on average, and root mean square error, mean absolute error, and mean absolute percentage error is reduced by 26.82%, 27.24%, and 29.88% respectively. This research provides a general overview of the availability of Himawari-8 AOD data and its feasibility in PM2.5 predictions. In addition, it evaluates different machine learning approaches in PM2.5 predictions. Our proposed framework can be used in other regions to predict different air pollutants concentrations and can be used as an aid for air pollution controlling programs.
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Affiliation(s)
- Hamed Karimian
- School of Civil and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, China
| | - Yaqian Li
- School of Civil and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, China
| | - Youliang Chen
- School of Civil and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, China; School of Geosciences and Info Physics, Central South University, Changsha, China.
| | - Zhaoru Wang
- School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, China
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4
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Wang D, Wang Q, Zhang X, Liu T, Zhang H. Conversion of Waste Oil from Oil Refinery into Emulsion Liquid Membrane for Removal of Phenol: Stability Evaluation, Modeling and Optimization. MEMBRANES 2022; 12:membranes12121202. [PMID: 36557109 PMCID: PMC9781828 DOI: 10.3390/membranes12121202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/25/2022] [Accepted: 09/26/2022] [Indexed: 05/12/2023]
Abstract
The waste oil emulsion liquid membrane produced by waste oil from oil refineries (WELM) is used to separate the phenol in purified water from the sour water stripper in oil refinery facilities, and the stability of WELM was studied. It is verified that waste refinery oil can be produced into emulsion liquid membrane with good stability and high removal rate for the first time. The WELM stability models were established by response surface methodology (RSM) and artificial neural network (ANN), respectively. The principle and mechanism of various parameters, as well as the interaction effects on the stability of WELM, are proposed. The effects of parameters, including the ratio of Span-80, liquid paraffin, the ratio of internal and oil, and the rotational speed of the homogenizer, were investigated. Under the optimal operating parameters, the WELM had a demulsification percentage of just 0.481%, and the prediction results of RSM and ANN were 0.536% and 0.545%, respectively. Both models demonstrate good predictability. The WELM stability model has a high application value in the treatment of phenol-containing wastewater in the oil refining industry, and provides a green method of resource recovery.
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Affiliation(s)
- Dan Wang
- State Key Laboratory of Petroleum Pollution Control, Beijing 102206, China
- CNPC Research Institute of Safety and Environmental Technology, Beijing 102206, China
- Correspondence: ; Tel.: +86-10-80166518
| | - Qingji Wang
- State Key Laboratory of Petroleum Pollution Control, Beijing 102206, China
- CNPC Research Institute of Safety and Environmental Technology, Beijing 102206, China
| | - Xiaofei Zhang
- State Key Laboratory of Petroleum Pollution Control, Beijing 102206, China
- CNPC Research Institute of Safety and Environmental Technology, Beijing 102206, China
| | - Taoran Liu
- Petrochemical Research Institute, PetroChina, Beijing 102206, China
| | - Hua Zhang
- State Key Laboratory of Petroleum Pollution Control, Beijing 102206, China
- CNPC Research Institute of Safety and Environmental Technology, Beijing 102206, China
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5
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Pham TH, Chu TTH, Nguyen DK, Le TKO, Obaid SA, Alharbi SA, Kim J, Nguyen MV. Alginate-modified biochar derived from rice husk waste for improvement uptake performance of lead in wastewater. CHEMOSPHERE 2022; 307:135956. [PMID: 35964720 DOI: 10.1016/j.chemosphere.2022.135956] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/24/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
In this work, alginate-modified biochar derived from rice husk waste was synthesized using a simple process. The modified biochar (MBC) and rice husk biochar (RhBC) were investigated for removing Pb (II) ions in wastewater. The BET result displayed significantly improved specific surface area of MBC up to 120 m2/g along with a total pore volume of 0.653 cm3/g. FTIR spectrums presented the higher oxygen-contained functional groups of MBC as compared to RhBC, resulting in increasing adsorption capacity of Pb (II). MBC had higher adsorption capacity (112.3 mg/g) and faster removal rate (0.0081 g mg-1 min-1) than those of RhBC (41.2 mg/g and 0.00025 g mg-1 min-1). Modified RhBC can remove more than 99% of Pb (II) from wastewater and it could be utilized for three cycles with a removal performance of over 90%. In addition, the Pb adsorption mechanism by using MBC was proposed and the practical application of MBC for the treatment of wastewater in Vietnam was discussed.
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Affiliation(s)
- Thi Huong Pham
- Faculty of Environment, School of Engineering and Technology, Van Lang University, 69/68 Dang Thuy Tram Street, Ward 13, Binh Thanh District, Ho Chi Minh City, Vietnam.
| | - Thi Thu Hien Chu
- Department of Chemistry, Faculty of Building Materials, Ha Noi University of Civil Engineering (HUCE), Giai Phong, Hai Ba Trung, Hanoi, 10000, Vietnam.
| | - Dang Khoa Nguyen
- Faculty of Environment, School of Engineering and Technology, Van Lang University, 69/68 Dang Thuy Tram Street, Ward 13, Binh Thanh District, Ho Chi Minh City, Vietnam
| | - Thi Kim Oanh Le
- Faculty of Environment, School of Engineering and Technology, Van Lang University, 69/68 Dang Thuy Tram Street, Ward 13, Binh Thanh District, Ho Chi Minh City, Vietnam
| | - Sami Al Obaid
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box -2455, Riyadh, 11451, Saudi Arabia
| | - Sulaiman Ali Alharbi
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box -2455, Riyadh, 11451, Saudi Arabia
| | - Jitae Kim
- Air Pollution Research Center, Institute of Urban Science, University of Seoul, Seoul, Republic of Korea
| | - Minh Viet Nguyen
- VNU Key Laboratory of Advanced Material for Green Growth, Faculty of Chemistry, VNU University of Science, 334 Nguyen Trai Street, Thanh Xuan, Hanoi, Vietnam.
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6
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Raval AR, Kohli HP, Mahadwad OK. Application of emulsion liquid membrane for removal of malachite green dye from aqueous solution: Extraction and stability studies. CHEMICAL ENGINEERING JOURNAL ADVANCES 2022. [DOI: 10.1016/j.ceja.2022.100398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
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7
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Bosu S, Rajamohan N, Rajasimman M. Enhanced remediation of lead (II) and cadmium (II) ions from aqueous media using porous magnetic nanocomposites - A comprehensive review on applications and mechanism. ENVIRONMENTAL RESEARCH 2022; 213:113720. [PMID: 35738419 DOI: 10.1016/j.envres.2022.113720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/08/2022] [Accepted: 06/15/2022] [Indexed: 06/15/2023]
Abstract
Lead and Cadmium, identified as toxic heavy metals, cause significant imbalance in the eco-system due to their tendency to bioaccumulate. Remediation of heavy metals by conventional adsorptive materials suffer demerits related to low efficiency or removal. Among the variety of adsorbent materials used in the adsorption process, metal oxides- and graphene oxide magnetic nanocomposites have gained a considerable attention. The use of nanomaterials may help to reduce this contamination, but after use, they are difficult to remove from water. An added magnetic property to nanomaterials facilitates their retrieval after use. The magnetic properties of these hybrid magnetic nanocomposites, coupled with unique characteristics of organic and inorganic elements, have found extensive application in water treatment technology. Detailed discussion on functionalisation of magnetic nanocomposites and the enhanced performance are presented. Magnetic graphene oxide-covalently functionalized-tryptophan was reported to have the highest adsorption capacity of 766.1 mg/g for remediation of lead (II) ions and graphene oxide exhibited the highest adsorption capacity of 530 mg/g for Cd (II) ions. The adsorption mechanisms for heavy metal ions on the surface of novel adsorbents, particularly lead and cadmium, using magnetic nanocomposites have been explained with reference to the isotherm models studied. The future scope of research in this area of research is proposed.
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Affiliation(s)
- Subrajit Bosu
- Chemical Engineering Section, Faculty of Engineering, Sohar University, Sohar, P C-311, Oman
| | - Natarajan Rajamohan
- Chemical Engineering Section, Faculty of Engineering, Sohar University, Sohar, P C-311, Oman.
| | - Manivasagan Rajasimman
- Department of Chemical Engineering, Annamalai University, Annamalai Nagar, 608002, India
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8
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Moradeeya PG, Kumar MA, Sharma A, Basha S. Conductive polymer layered semiconductor for degradation of triclopyr acid and 2,4-dichlorophenoxyacetic acid from aqueous stream using coalesce adsorption-photocatalysis technique. CHEMOSPHERE 2022; 298:134360. [PMID: 35318015 DOI: 10.1016/j.chemosphere.2022.134360] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/25/2022] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
Polyaniline supported titanium dioxide nanoparticles (PTs) were fabricated using chemical oxidative aniline polymerization in the presence of titanium dioxide with ammonium peroxydisulfate as an oxidant. The synthesized PTs were thoroughly characterized for their morphological and functional features. PTs were employed for the photodegradation of acidic herbicides; 2,4-dichlorophenoxyacetic acid (2,4-D) and triclopyr acid (TCP). PT's surface modifications were imparted and their herbicide removal efficiencies were compared. The best operating conditions for adsorption/photocatalysis were 0.5 g/L photocatalyst, 10 mg/L concentration of individual herbicides resulted in 90.72% removal of TCP at pH 4 and 99.91% removal of 2,4-D at pH 5. Adsorption kinetics of herbicides, onto PT-1 showed the equilibrium attainment within 30 min and experimental data obeyed pseudo-second order model for TCP and 2,4-D removal which was governed by chemisorption. Analysis of TCP and 2,4-D adsorption indicated that the removal followed Sips model for TCP removal while Redlich-Peterson model explained the removal of 2,4-D by PT-1. Rate constants indicated that the amount of TiO2 in the PTs played an important role in removing the herbicides and PT-1 material excellent remarkable activity for three cycles of photodegradation. Thus, this work reports the polymerization of aniline onto TiO2 and their utility as photocatalyst for the expulsion of 2,4-D and TCP from water.
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Affiliation(s)
- Pareshkumar G Moradeeya
- Department of Environmental Science & Engineering, Marwadi University, Rajkot, 360 003, Gujarat, India; Hyderabad Zonal Centre, CSIR-National Environmental Engineering Research Institute, IICT Campus, Tarnaka, Hyderabad, 500 007, Telangana, India
| | - Madhava Anil Kumar
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, 364 002, Gujarat, India
| | - Archana Sharma
- Department of Environmental Science & Engineering, Marwadi University, Rajkot, 360 003, Gujarat, India
| | - Shaik Basha
- Hyderabad Zonal Centre, CSIR-National Environmental Engineering Research Institute, IICT Campus, Tarnaka, Hyderabad, 500 007, Telangana, India.
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9
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Sundararaman S, Aravind Kumar J, Deivasigamani P, Devarajan Y. Emerging pharma residue contaminants: Occurrence, monitoring, risk and fate assessment - A challenge to water resource management. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 825:153897. [PMID: 35182637 DOI: 10.1016/j.scitotenv.2022.153897] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 01/31/2022] [Accepted: 02/11/2022] [Indexed: 06/14/2023]
Abstract
Water is one of the important gifts to mankind. In recent days the accessibility of pharmaceuticals in the environment is progressively a worldwide concern. The significant wellspring of these contaminations in water assets is drugs for human use or veterinary medications. Intermediates, active metabolites and raw materials present in water from pharmaceutical industry waste because of incomplete sewage treatment systems. Various pharmaceutical components such as analgesic/antipyretics such as Ibuprofen (57.9-104 ng/L), Diclofenac (17-129 ng/L), antibiotics such as Sulfamethoxazole (28.7-124.5 ng/L), Sulfamethazine (29.2-83.9 ng/L), Azithromycin (10-68 ng/L), psychiatric drug such as Carbamazepine (9.3-92.4 ng/L), stimulants such as caffeine greater than 55 ng/L, antidepressants, antihypertensive, contraceptives etc., are present in water resources and have been detected in mg/L to μg/L range. The synergic effects and ecotoxicological hazard assessment must be developed. Studies demonstrate that these drugs might cause morphological, metabolic and sex alterations on sea-going species, and interruption of biodegradation activities. Hazard analysis and assessments are in progress. However, the conventional effluent treatment methods are not sufficient to remove API (active pharmaceutical ingredients) from this water effectively. There is necessitate for continuous monitoring of the pharmaceutical compounds in aquatic ecosystem to save the environment and living form of lives from health hazards. This work highlights the hazards, environmental assessment and the mitigation measures of pharmaceutical pollutants.
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Affiliation(s)
- Sathish Sundararaman
- Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India.
| | - J Aravind Kumar
- Department of Biomass and Energy Conversion, Saveetha School of Engineering, SIMATS, Chennai, 602105, Tamilnadu, India
| | - Prabu Deivasigamani
- Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India
| | - Yuvarajan Devarajan
- Department of Thermal Engineering, Saveetha School of Engineering, SIMATS, Chennai, Tamilnadu, 602105, India.
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10
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Hojjati-Najafabadi A, Mansoorianfar M, Liang T, Shahin K, Karimi-Maleh H. A review on magnetic sensors for monitoring of hazardous pollutants in water resources. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 824:153844. [PMID: 35176366 DOI: 10.1016/j.scitotenv.2022.153844] [Citation(s) in RCA: 106] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 02/01/2022] [Accepted: 02/09/2022] [Indexed: 06/14/2023]
Abstract
Water resources have long been of interest to humans and have become a serious issue in all aspects of human life. The disposal of hazardous pollutants in water resources is one of the biggest global concerns and poses many risks to human health and aquatic life. Therefore, the control of hazardous pollutants in water resources plays an important role, when it comes to evaluating water quality. Due to low toxicity, good electrical conductivity, facile functionalization, and easy preparation, magnetic materials have become a good alternative in recent years to control hazardous pollutants in water resources. In the present study, the idea of using magnetic sensors in controlling and monitoring of pharmaceuticals, pesticides, heavy metals, and organic pollutants have been reviewed. The water pollutants in drinking water, groundwater, surface water, and seawater have been discussed. The toxicology of water hazardous pollutants has also been reviewed. Then, the magnetic materials were discussed as sensors for controlling and monitoring pollutants. Finally, future remarks and perspectives on magnetic nanosensors for controlling hazardous pollutants in water resources and environmental applications were explained.
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Affiliation(s)
- Akbar Hojjati-Najafabadi
- College of Rare Earths, Jiangxi University of Science and Technology, No. 86, Hongqi Ave., Ganzhou, Jiangxi 341000, PR China; Faculty of Materials, Metallurgy and Chemistry, School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, PR China.
| | - Mojtaba Mansoorianfar
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Tongxiang Liang
- College of Rare Earths, Jiangxi University of Science and Technology, No. 86, Hongqi Ave., Ganzhou, Jiangxi 341000, PR China
| | - Khashayar Shahin
- Center for Microbes, Development, and Health (CMDH), Institute Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai 200025, China
| | - Hassan Karimi-Maleh
- School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu 611731, PR China; Department of Chemical Engineering, Quchan University of Technology, Quchan, Iran; Department of Chemical Sciences, University of Johannesburg, Doornfontein Campus, 2028 Johannesburg, South Africa.
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11
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Rhouati A, Berkani M, Vasseghian Y, Golzadeh N. MXene-based electrochemical sensors for detection of environmental pollutants: A comprehensive review. CHEMOSPHERE 2022; 291:132921. [PMID: 34798114 DOI: 10.1016/j.chemosphere.2021.132921] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 11/03/2021] [Accepted: 11/14/2021] [Indexed: 05/28/2023]
Abstract
Since the discovery of MXenes at Drexel University in the United States in 2011, there has been extensive research regarding various applications of MXenes including environmental remediation. MXenes with a general formula of Mn+1XnTx are a class of two-dimensional (2D) transition metal carbides, carbonitrides, and nitrides with unique chemical and physical characteristics as nanomaterials. MXenes feature characteristics such as high conductivity, hydrophobicity, and large specific surface areas that are attracting attention from researchers in many fields including environmental water engineering such as desalination and wastewater treatment as well as designing and building efficient sensors to detect hazardous pollutants in water. In this study, we review recent developments in MXene-based nanocomposites for electrochemical (bio) sensing with a particular focus on the detection of hazardous pollutants, such as organic components, pesticides, nitrite, and heavy metals. Integration of these 2D materials in electrochemical enzyme-based and affinity-based biosensors for environmental pollutants is also discussed. In addition, a summary of the key challenges and future remarks are presented. Although this field is relatively new, future research on biosensors of MXene-based nanocomposites need to exploit the remarkable properties of these 2D materials.
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Affiliation(s)
- Amina Rhouati
- Laboratoire Bioengineering, Ecole Nationale Supérieure de Biotechnologie, Ville Universitaire Ali Mendjeli, BP E66 25100, Constantine, Algeria
| | - Mohammed Berkani
- Laboratoire Biotechnologies, Ecole Nationale Supérieure de Biotechnologie, Ville Universitaire Ali Mendjeli, BP E66 25100, Constantine, Algeria.
| | - Yasser Vasseghian
- Department of Chemical Engineering, Quchan University of Technology, Quchan, Iran.
| | - Nasrin Golzadeh
- Science, Technology, Engineering, And Mathematics (STEM) Knowledge Translations Institute, Montreal, Quebec, Canada
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12
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Taşçı T, Küçükyıldız G, Hepyalçın S, Ciğeroğlu Z, Şahin S, Vasseghian Y. Boron removal from aqueous solutions by chitosan/functionalized-SWCNT-COOH: Development of optimization study using response surface methodology and simulated annealing. CHEMOSPHERE 2022; 288:132554. [PMID: 34648780 DOI: 10.1016/j.chemosphere.2021.132554] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/03/2021] [Accepted: 10/10/2021] [Indexed: 06/13/2023]
Abstract
Boron contamination in water resources (especially drinking waters and agricultural land) is a major problem for the ecosystem. In this study, a novel synthesized chitosan/functionalized-SWCNT-COOH was prepared to separate boron (as boric acid) from aqueous solutions. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) analysis revealed that SWCNT was dispersed in chitosan homogenously. Moreover, this study has related to the constrained optimization problem with an engineering approach. Response surface method (RSM) with face-centered central composite design (FCCCD) was chosen for maximizing the adsorption capacity as well as determining optimal independent factors such as pH, adsorbent dose, and concentration of boric acid. The optimized response (adsorption capacity) was reached 62.16 mg g-1 under the optimal conditions (98.77 mg L-1 of boric acid concentration, pH of 5.46 and 76 min). The present study has indicated that the synthesized material can be used as an adsorbent for eliminating boric acid from aqueous solutions depending on its high adsorbent capacity to remove boron and has better performance than existing adsorbents. Furthermore, simulated annealing (SA) optimization technique was used to compare the findings of RSM. Moreover, the selected optimization techniques were compared with error functions. The optimal conditions derived from SA were 91.17 mg L-1 of boric acid concentration, pH of 5.86, and 76.17 min. The optimal adsorption capacity of SA was found to be 62.06 mg g-1. These results revealed that the predictions of the two models are very close to each other.
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Affiliation(s)
- Tolga Taşçı
- Uşak University, Engineering Faculty, Department of Chemical Engineering, Uşak, 64300, Turkey
| | - Gürkan Küçükyıldız
- Uşak University, Engineering Faculty, Department of Electrical and Electronics Engineering, Uşak, 64300, Turkey
| | - Selin Hepyalçın
- Uşak University, Engineering Faculty, Department of Chemical Engineering, Uşak, 64300, Turkey
| | - Zeynep Ciğeroğlu
- Uşak University, Engineering Faculty, Department of Chemical Engineering, Uşak, 64300, Turkey.
| | - Selin Şahin
- Istanbul University-Cerrahpaşa, Engineering Faculty, Department of Chemical Engineering, Istanbul, Turkey
| | - Yasser Vasseghian
- Department of Chemical Engineering, Quchan University of Technology, Quchan, Iran.
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13
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Selvan BK, Thiyagarajan K, Das S, Jaya N, Jabasingh SA, Saravanan P, Rajasimman M, Vasseghian Y. Synthesis and characterization of nano zerovalent iron-kaolin clay (nZVI-Kaol) composite polyethersulfone (PES) membrane for the efficacious As 2O 3 removal from potable water samples. CHEMOSPHERE 2022; 288:132405. [PMID: 34597639 DOI: 10.1016/j.chemosphere.2021.132405] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/20/2021] [Accepted: 09/27/2021] [Indexed: 06/13/2023]
Abstract
In this study, Kaolin clay, a mining material, was used as an abundant and available mineral as zero-valent iron-kaolinite composites for As2O3 removal from the water samples. The composites were made by the sodium borohydrate reduction method. The existence of Fe0 in the produced composites was confirmed by X-ray diffraction (XRD) and Fourier-Transform Infrared Spectroscopy (FTIR) analysis. The membranes are prepared with zerovalent nano Iron-Kaolin and PES. The synthesized composites were then mixed with polyethersulfone to prepare the membranes S1, S2, and S3 with varying compositions. Field Emission Scanning Electron Microscopy (FESEM) analysis of the produced membranes showed the porous structure and the contact angle of membranes increased the hydrophilicity. The membranes were explored for the removal of As2O3 (AsIII) in potable water samples. The filtration studies were carried out using the syringe filtration setup. Analysis of the arsenic (III) solution was carried out, before and after the filtration process using Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES), which showed a maximum of 50% reduction in its original concentration. The filtered membrane is analyzed for arsenic by Energy Dispersive X-ray (EDX) technique. Thus, the synthesized membrane effectively sieves the arsenic in water samples.
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Affiliation(s)
- B Karpanai Selvan
- Dravida Petroleum DMCC, ONGC BVG EPS, B-Athivaraganatham, Cuddalore, 608601, Tamil Nadu, India
| | - K Thiyagarajan
- Department of Nanoscience and Technology, University College of Engineering, BIT Campus, Anna University, Tiruchirappalli, 620 024, Tamil Nadu, India
| | - Soni Das
- Department of Biotechnology, University College of Engineering, BIT Campus, Anna University, Tiruchirappalli, 620 024, Tamil Nadu, India
| | - N Jaya
- Department of Petrochemical Technology, University College of Engineering, BIT Campus, Anna University, Tiruchirappalli, 620 024, Tamil Nadu, India.
| | - S Anuradha Jabasingh
- Process Engineering Division, School of Chemical and Bio Engineering, Addis Ababa Institute of Technology, Addis Ababa University, Ethiopia
| | - P Saravanan
- Department of Petrochemical Technology, University College of Engineering, BIT Campus, Anna University, Tiruchirappalli, 620 024, Tamil Nadu, India
| | - M Rajasimman
- Department of Chemical Engineering, Annamalai University, Annamalainagar, 60002, Tamil Nadu, India
| | - Yasser Vasseghian
- Department of Chemical Engineering, Quchan University of Technology, Quchan, Iran
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