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Vipotnik Z, Michelin M, Tavares T. Development of a packed bed reactor for the removal of aromatic hydrocarbons from soil using laccase/mediator feeding system. Microbiol Res 2020; 245:126687. [PMID: 33421701 DOI: 10.1016/j.micres.2020.126687] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 09/15/2020] [Accepted: 12/19/2020] [Indexed: 10/22/2022]
Abstract
Polyaromatic hydrocarbons (PAH) are persistent pollutants of great concern due to their potential toxicity, mutagenicity and carcinogenicity. A biotechnological approach to remove PAH from soil was evaluated in this work using a laccase mediator system. Initially, laccase was produced by fungal co-cultivation, using kiwi peels as substrate. The produced laccase was applied to PAH contaminated soil to evaluate its efficiency on enzymatic bioremediation. Results showed that laccase mediator system was effective in the degradation of pyrene, fluorene, chrysene and a lower extension anthracene. Mediators improved the PAH degradation and natural mediators (ferulic acid and p-coumaric acid) were as effective as the synthetic mediator ABTS. However, the process was not effective in the benzo[a]pyrene degradation, one of the most recalcitrant and toxic PAH. This low degradation rate could be related to the low activity of the laccase mediator system in an environment lacking water. To overcome this issue, a PAH contaminated soil degradation system was developed in packed bed reactor (PBR) fed with laccase/mediator. Continuous flow of laccase/mediator improved the PAH degradation, achieving 74.8 %, 71.9 %, 72.2 %, 81.8 % and 100 % degradation for fluorene, anthracene, phenanthrene, chrysene and pyrene, respectively. This system was able to degrade 96 % benzo[a]pyrene, which was 90 % higher than the degradation in batch system. Results indicated that the produced laccase as well as the fed-batch degradation system developed in PBR could be successfully applied in the degradation of soil PAH pollutants, with the advantage of achieving higher degradation rates than in simple batch, as well as being a faster and simpler process than microorganism bioremediation.
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Affiliation(s)
- Ziva Vipotnik
- Centre of Biological Engineering, University Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | - Michele Michelin
- Centre of Biological Engineering, University Minho, Campus de Gualtar, 4710-057, Braga, Portugal.
| | - Teresa Tavares
- Centre of Biological Engineering, University Minho, Campus de Gualtar, 4710-057, Braga, Portugal
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52
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Engineering nanostructures of CuO-based photocatalysts for water treatment: Current progress and future challenges. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.06.031] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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53
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Abstract
Copper oxide nanoparticles (CuO NPs) use has exponentially increased in various applications (such as industrial catalyst, gas sensors, electronic materials, biomedicines, environmental remediation) due to their flexible properties, i.e. large surface area to volume ratio. These broad applications, however, have increased human exposure and thus the potential risk related to their short- and long-term toxicity. Their release in environment has drawn considerable attention which has become an eminent area of research and development. To understand the toxicological impact of CuO NPs, this review summarises the in-vitro and in-vivo toxicity of CuO NPs subjected to species (bacterial, algae, fish, rats, human cell lines) used for toxicological hazard assessment. The key factors that influence the toxicity of CuO NPs such as particle shape, size, surface functionalisation, time-dose interaction and animal and cell models are elaborated. The literature evidences that the CuO NPs exposure to the living systems results in reactive oxygen species generation, oxidative stress, inflammation, cytotoxicity, genotoxicity and immunotoxicity. However, the physio-chemical characteristics of CuO NPs, concentration, mode of exposure, animal model and assessment characteristics are the main perspectives that define toxicology of CuO NPs.
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Affiliation(s)
- Sania Naz
- Department of Biotechnology, Quaid-i-Azam University, Islamabad, Pakistan
| | - Ayesha Gul
- Department of Biotechnology, Quaid-i-Azam University, Islamabad, Pakistan
| | - Muhammad Zia
- Department of Biotechnology, Quaid-i-Azam University, Islamabad, Pakistan.
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54
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A ternary Cu2O/BiVO4/WO3 nano-composite: Scavenging agents and the mechanism pathways in the photodegradation of sulfasalazine. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113701] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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55
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Continuous high-efficient degradation of organic pollutants based on sea urchin-like Fe3O4/ZnO/ZnSe heterostructures in photocatalytic magnetically fixed bed reactor. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125198] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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56
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Wu K, Pan X, Zhang J, Zhang X, Salah zene A, Tian Y. Biosorption of Congo Red from Aqueous Solutions Based on Self-Immobilized Mycelial Pellets: Kinetics, Isotherms, and Thermodynamic Studies. ACS OMEGA 2020; 5:24601-24612. [PMID: 33015478 PMCID: PMC7528287 DOI: 10.1021/acsomega.0c03114] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 09/03/2020] [Indexed: 05/31/2023]
Abstract
In the current study, Aspergillus fumigatus and Pseudomonas putida were co-cultured to obtain self-immobilized mycelial pellets to evaluate the decolorization efficiency of Congo red (CR). The obtained co-culture exhibited the highest decolorization efficiency of 99.22% compared to monoculture of A. fumigatus (89.20%) and P. putida (55.04%). The morphology and surface properties of the mycelial pellets were characterized by SEM, FTIR, BET, and XPS. The adsorption kinetics and isotherms were well described by pseudo-second-order and Langmuir models. The findings revealed that the removal efficiency of the mycelial pellet for CR was significantly influenced by physicochemical parameters. Thermodynamic result showed that the biosorption process was endothermic. The maximum adsorption capacity can be obtained from the Langmuir model, which is 316.46 mg/g, it suggests that mycelial pellet was an efficient biosorbent to remove CR from aqueous solution. This study indicates that the mycelial pellet can develop a sustainable approach to eliminate CR from the wastewater.
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Affiliation(s)
- Kangli Wu
- School
of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Xiaomei Pan
- School
of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Jianqiang Zhang
- School
of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Xiaomeng Zhang
- School
of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Abdramane Salah zene
- School
of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Yongqiang Tian
- Research
Institute, Lanzhou Jiaotong University, Lanzhou 730070, China
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57
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Kumar V, Saharan P, Sharma AK, Kaushal I, Dhuan S. Silver embellished PANI/CNT nanocomposite for antimicrobial activity and sequestration of dye based on RSM modelling. ENVIRONMENTAL TECHNOLOGY 2020; 41:2991-3003. [PMID: 30855214 DOI: 10.1080/09593330.2019.1593512] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 01/21/2019] [Indexed: 06/09/2023]
Abstract
Silver doped PANI/CNT (Ag-PANI/CNT) nanocomposite was synthesized and investigated as adsorbent for its possible application in the elimination of organic dye Brilliant Blue G (BBG). The morphological characteristics of Ag-PANI/CNT were studied using Fourier transform infrared, scanning electron microscopy, elemental mapping, transmission electron microscopy and X-ray diffraction. The response of operational parameters given as adsorbent dosage, concentration, pH and contact time for dye removal were investigated by using Response Surface Methodology (RSM). The results from RSM suggested that the efficiency of BBG elimination is 98.7 under the optimum conditions of experimental factors. The adsorption studies showed that the equilibrium data fitted well with Langmuir isotherm model compared to Freundlich. Finally, the antimicrobial activities of Ag-PANI/CNT were tested against bacterial strain Escherichia coli and Salmonella typhi and fungal strains Aspergillus niger.
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Affiliation(s)
- Vinit Kumar
- Thin Film Laboratory, Department of Materials Science & Nanotechnology, D.C.R. University of Science & Technology, Murthal, India
| | - Priya Saharan
- Thin Film Laboratory, Department of Materials Science & Nanotechnology, D.C.R. University of Science & Technology, Murthal, India
| | - Ashok K Sharma
- Thin Film Laboratory, Department of Materials Science & Nanotechnology, D.C.R. University of Science & Technology, Murthal, India
| | - Indu Kaushal
- Thin Film Laboratory, Department of Materials Science & Nanotechnology, D.C.R. University of Science & Technology, Murthal, India
| | - Surender Dhuan
- Thin Film Laboratory, Department of Materials Science & Nanotechnology, D.C.R. University of Science & Technology, Murthal, India
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58
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Khan SR, Ali S, Zahra G, Jamil S, Janjua MRSA. Synthesis of monetite micro particles from egg shell waste and study of its environmental applications: Fuel additive and catalyst. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2020.137804] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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59
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Bahmani M, Dashtian K, Mowla D, Esmaeilzadeh F, Ghaedi M. UiO-66(Ti)-Fe 3O 4-WO 3 photocatalyst for efficient ammonia degradation from wastewater into continuous flow-loop thin film slurry flat-plate photoreactor. JOURNAL OF HAZARDOUS MATERIALS 2020; 393:122360. [PMID: 32114134 DOI: 10.1016/j.jhazmat.2020.122360] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 01/18/2020] [Accepted: 02/19/2020] [Indexed: 06/10/2023]
Abstract
This work presents the characterization of novel synthesized UiO-66(Ti)-Fe3O4-WO3 magnetic photocatalyst and investigates their photocatalytic activity for the photodegradation of ammonia in a designed continuous flow-loop thin-film slurry flat-plate photoreactor (TFSR). Excellent ammonia degradation efficiency was achieved in the presence of the synthesized catalyst at ambient conditions using no more reactive oxidant species. Several independent variables involving catalyst mass, flowrate, pH, irradiation time and initial ammonia concentration as well as corresponding experiments were analyzed and design using the central composite design (CCD). The influence and significance of each parameter and their binary interactions were then evaluated by applying the analysis of variance. The ammonia degradation efficiency of 91.80 % with the desirability of 0.903 were obtained at optimum values of operational parameters including 550 mL/min,10, 0.125 g/L, 60 min and 30 mg/L for solution flowrate, pH, catalyst mass, irradiation time and initial ammonia concentration, respectively. Furthermore, the liquid phase products of ammonia degradation such as nitrate and nitrite ions were completely removed, and purified water was produced using the combination of reverse osmosis process and mixed resins beds. The photocatalyst mechanism study revealed that [Formula: see text] was the predominant reactive oxygen species in the ammonia photodegradation.
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Affiliation(s)
- M Bahmani
- Chemical Engineering Department, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran; Environmental Research Center in Petroleum and Petrochemical Industries, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran
| | - K Dashtian
- Chemistry Department, Yasouj University, Yasouj, 75918-74831, Iran
| | - D Mowla
- Chemical Engineering Department, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran; Environmental Research Center in Petroleum and Petrochemical Industries, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran; Enhanced Oil and Gas Recovery Institute, Advanced Research Group for Gas Condensate Recovery, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, 71348-51154, Iran.
| | - F Esmaeilzadeh
- Chemical Engineering Department, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran; Environmental Research Center in Petroleum and Petrochemical Industries, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran; Enhanced Oil and Gas Recovery Institute, Advanced Research Group for Gas Condensate Recovery, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, 71348-51154, Iran
| | - M Ghaedi
- Chemistry Department, Yasouj University, Yasouj, 75918-74831, Iran.
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60
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Aljohny BO, Ahmad Z, Shah SA, Anwar Y, Khan SA. Cellulose acetate composite films fabricated with zero‐valent iron nanoparticles and its use in the degradation of persistent organic pollutants. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5892] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Bassam Oudh Aljohny
- Department of Biological Sciences, Faculty of Science King Abdulaziz University P. O, Box 80203 Jeddah 21589 Kingdom of Saudi Arabia
| | - Zubair Ahmad
- Department of Chemistry University of Swabi Anbar Khyber Pakhtunkhwa 23561 Pakistan
| | - Sher Ali Shah
- Department of Chemistry University of Swabi Anbar Khyber Pakhtunkhwa 23561 Pakistan
| | - Yasir Anwar
- Department of Biological Sciences, Faculty of Science King Abdulaziz University P. O, Box 80203 Jeddah 21589 Kingdom of Saudi Arabia
| | - Shahid Ali Khan
- Department of Chemistry University of Swabi Anbar Khyber Pakhtunkhwa 23561 Pakistan
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61
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Abiraman T, Rajavelu K, Rajakumar P, Balasubramanian S. Sub 1 nm Poly(acrylic acid)-Capped Copper Nanoparticles for the Synthesis of 1,2,3-Triazole Compounds. ACS OMEGA 2020; 5:7815-7822. [PMID: 32309691 PMCID: PMC7160833 DOI: 10.1021/acsomega.9b03995] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Accepted: 03/16/2020] [Indexed: 06/11/2023]
Abstract
The stable, water-soluble, and fluorescent sub 1 nm sized poly(acrylic acid)-capped copper nanoparticles (PAACC NPs) were synthesized using a high-intensity ultrasound sonication (30 KHz) method. The reduction of copper NPs from copper(II) salt by mild reducing agent l-ascorbic acid in an aqueous medium was achieved in the presence of poly(acrylic acid). The PAACC NPs were characterized by DRS UV-visible, XPS, PL, FESEM, and HRTEM techniques. The resulting PAACC NPs show orange fluorescence with a peaking center at 560 nm. The PAACC NPs serve as effective catalysts for the synthesis of 1,2,3-triazoles via click reaction in good yields under mild reaction conditions.
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Affiliation(s)
| | - Kannan Rajavelu
- Photonic
Materials Research Laboratory, Department of Chemistry, National Central University, Jhong-Li District, Taoyuan City 32001, Taiwan
- Department
of Organic Chemistry, University of Madras, 600025 Chennai, India
| | - Perumal Rajakumar
- Department
of Organic Chemistry, University of Madras, 600025 Chennai, India
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62
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Enhanced Visible-Light Photocatalysis of Nanocomposites of Copper Oxide and Single-Walled Carbon Nanotubes for the Degradation of Methylene Blue. Catalysts 2020. [DOI: 10.3390/catal10030297] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
We report enhanced catalytic action of a series of copper(II)-oxide-single-walled carbon nanotube (CuO-SWCNT) composite photocatalysts (abbreviated as CuO-SWCNT-0.5, CuO-SWCNT-2, and CuO-SWCNT-5, where 0.5, 2, and 5 represent the calcination time in hours) synthesized via recrystallization followed by calcination. The photocatalytic performance of the fabricated nanocomposites was examined by evaluating the degradation of methylene blue (MB) under irradiation with visible light. All of the as-fabricated nanocomposites were effective photocatalysts for the photodegradation of a MB solution; however, the CuO-SWCNT-5 displayed the best photocatalytic ability among the investigated catalysts, achieving 97.33% degradation of MB in 2 h under visible-light irradiation. The photocatalytic action of the nanocomposites was remarkably higher than that of pristine CuO nanocrystals fabricated using the same route. The recyclability of the photocatalyst was also investigated; the CuO-SWCNT-5 catalyst could be reused for three cycles without substantial degradation of its catalytic performance or morphology.
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63
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Farjood M, Zanjanchi MA. A new synthesis methodology for SiO 2 gel-based nanostructures and their application for elimination of dye pollutants. NEW J CHEM 2020. [DOI: 10.1039/d0nj00093k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A new procedure for preparation of a high specific surface area silica-based nanostructure and its copper-containing active photocatalyst is described.
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Affiliation(s)
- Mehrdad Farjood
- Department of Chemistry
- Faculty of Science
- University of Guilan
- Rasht 41335-1914
- Iran
| | - M. A. Zanjanchi
- Department of Chemistry
- Faculty of Science
- University of Guilan
- Rasht 41335-1914
- Iran
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64
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Zhang J, Su C, Xie X, Liu P, Huq ME. Enhanced visible light photocatalytic degradation of dyes in aqueous solution activated by HKUST-1: performance and mechanism. RSC Adv 2020; 10:37028-37034. [PMID: 35521244 PMCID: PMC9057014 DOI: 10.1039/d0ra05275b] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 09/04/2020] [Indexed: 12/02/2022] Open
Abstract
HKUST-1 is a copper-based metal–organic framework (MOF) and potential photocatalyst, but minimal research has addressed the performance and mechanism of HKUST-1 in the visible light photocatalytic degradation of dyes. In the present work, HKUST-1 was applied as a photocatalyst to activate peroxomonosulfate (PMS) under visible light (Vis) for dye removal in aqueous solution. The results showed that the removal efficiency of two cationic dyes [rhodamine B (RhB) and methylene blue (MB)] was greater than 95% within 120 min. Free radicals such as SO4−˙, ·OH were present in the degradation process, with SO4−˙ playing a dominant role. Zeta potential, X-ray photoelectron spectroscopy, and photoluminescence spectroscopy data were used to investigate the degradation mechanism. In the degradation process, surface charge attraction between HKUST-1 and cationic dyes promotes removal efficiency, with the degradation efficiency of cationic dyes (MB and RhB) more than 50% higher than for anionic dyes [acid orange 7 (AO7) and methyl red (MR)]. On the other hand, HKUST-1 has been proved to activate PMS by conducting photoelectrons, which accelerated the degradation of dyes. Compared with the reaction conditions of PMS/Vis, when the HKUST-1 was present (HKUST-1/PMS/Vis), the degradation rates of MB and RhB increased by 62.7 and 63.2%, respectively. HKUST-1 is a copper-based metal–organic framework (MOF). The HKUST-1/PMS/Vis system can effectively degrade RhB and MB but accomplish poor removal of AO7 and MR, which is attributed to the repulsion between surface charges.![]()
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Affiliation(s)
- Jianyu Zhang
- School of Environmental Studies
- China University of Geosciences
- Wuhan
- China
| | - Chunli Su
- School of Environmental Studies
- China University of Geosciences
- Wuhan
- China
| | - Xianjun Xie
- School of Environmental Studies
- China University of Geosciences
- Wuhan
- China
| | - Peng Liu
- School of Environmental Studies
- China University of Geosciences
- Wuhan
- China
| | - Md. Enamul Huq
- State Key Laboratory for Information Engineering in Surveying Mapping and Remote Sensing
- Wuhan University
- Wuhan 430079
- China
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65
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Jiang Q, Jiang J, Deng R, Xie X, Meng J. Controllable preparation of CuO/Cu 2O composite particles with enhanced photocatalytic performance. NEW J CHEM 2020. [DOI: 10.1039/d0nj00090f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Spherical CuO/Cu2O nanocomposites synthesized in PEG-400 have excellent catalytic activity because of transferring photogenerated electrons from Cu2O to CuO.
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Affiliation(s)
- Qing Jiang
- Department of Chemistry
- Jinan University
- Guangzhou 510632
- China
| | - Jiajie Jiang
- Department of Chemistry
- Jinan University
- Guangzhou 510632
- China
| | - Runkang Deng
- Department of Chemistry
- Jinan University
- Guangzhou 510632
- China
| | - Xinyuan Xie
- Department of Chemistry
- Jinan University
- Guangzhou 510632
- China
| | - Jianxin Meng
- Department of Chemistry
- Jinan University
- Guangzhou 510632
- China
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66
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Ahmad A, Jamil SNAM, Shean Yaw Choong T, Abdullah AH, Mastuli MS, Othman N, Jiman N. Green Flexible Polyurethane Foam as a Potent Support for Fe-Si Adsorbent. Polymers (Basel) 2019; 11:polym11122011. [PMID: 31817283 PMCID: PMC6960973 DOI: 10.3390/polym11122011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 10/13/2019] [Accepted: 10/18/2019] [Indexed: 12/25/2022] Open
Abstract
This paper describes the preparation, characterisation, and potential application of flexible palm oil-based polyurethane foam (PUF) as a support for iron-silica (Fe-Si) adsorbent. Fe-Si/polyurethane composite (Fe-Si/PUC) was prepared by impregnating Fe-Si adsorbent onto the surface of PUF by using a novel immersion-drying method. Morphological analysis of Fe-Si/PUC proved that Fe-Si was successfully impregnated onto the surface of PUF. Compression test and thermogravimetric analysis were carried out to determine the flexibility and thermal stability of Fe-Si/PUC, respectively. The Fe-Si/PUC removed 90.0% of 10 ppm methylene blue (MB) from aqueous solution in 60 min. The reusability study showed that Fe-Si/PUC removed 55.9% of MB on the seventh cycle. Hence, the synthesis of Fe-Si/PUC opens up a new path of implementing palm oil-based PUF to assist in the recovery of an adsorbent for environmental clean-up. The mechanism of physical interaction during the impregnation of Fe-Si adsorbent onto PUF was proposed in this paper.
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Affiliation(s)
- Afiqah Ahmad
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia; (A.A.); (A.H.A.); (N.O.); (N.J.)
| | - Siti Nurul Ain Md. Jamil
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia; (A.A.); (A.H.A.); (N.O.); (N.J.)
- Centre of Foundation Studies for Agricultural Science, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia
- Correspondence:
| | - Thomas Shean Yaw Choong
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia;
| | - Abdul Halim Abdullah
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia; (A.A.); (A.H.A.); (N.O.); (N.J.)
- Institute of Advanced Technology, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia
| | - Mohd Sufri Mastuli
- Centre of Nanomaterials Research, Institute of Science, Universiti Teknologi MARA, Shah Alam 40450, Selangor, Malaysia;
| | - Nurhanisah Othman
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia; (A.A.); (A.H.A.); (N.O.); (N.J.)
| | - NurNazurah Jiman
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia; (A.A.); (A.H.A.); (N.O.); (N.J.)
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67
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Yasar Arafath K, Baskaralingam P, Gopinath S, Nilavunesan D, Sivanesan S. Degradation of phenol from retting-pond wastewater using anaerobic sludge reactor integrated with photo catalytic treatment. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2019.136727] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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68
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Yousefi SR, Amiri O, Salavati-Niasari M. Control sonochemical parameter to prepare pure Zn 0.35Fe 2.65O 4 nanostructures and study their photocatalytic activity. ULTRASONICS SONOCHEMISTRY 2019; 58:104619. [PMID: 31450362 DOI: 10.1016/j.ultsonch.2019.104619] [Citation(s) in RCA: 170] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 05/20/2019] [Accepted: 05/28/2019] [Indexed: 05/27/2023]
Abstract
Zn0.35Fe2.65O4 nanostructure was prepared as a ferrite material by using a simple sonochemistry method. The effect of different parameters such as sonication time and power were studied. By increasing sonication power and time more Fe+3 ions reduced to Fe+2. This happens because H and OH radicals produced under sonication could act as a reduction agent. Therefore by increasing power and sonication time more Fe+3 ions reduced. Pure Zn0.35Fe2.65O4 nanostructure was formed when sonication time and power were 30 min and 40 W. Surface area for pure Zn0.35Fe2.65O4 nanostructure was 64 m2.g-1. Afterward, Zn0.35Fe2.65O4 nanostructures were applied to treat water containing different pollutants. As-prepared nanostructures degrade 60.8, 77.9, 55.2 and 44.0% of Acid Violet 7, Acid Blue 92, Acid Red 14, and Methyl Orange under visible light during 180 min irradiation. In addition, 94.5, 84.2, and 43.0% of AV7, PhR, and Ery were degraded under UV light during 120 min irradiation. The as-synthesized Zn0.35Fe2.65O4 nanostructure was characterized through the SEM, EDX, TEM, CV, DRS, BET, VSM, and XRD.
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Affiliation(s)
- Seyede Rahele Yousefi
- Institute of Nano Science and Nano Technology, University of Kashan, Kashan, P. O. Box. 87317-51167, Islamic Republic of Iran
| | - Omid Amiri
- Department of Chemistry, College of Science, University of Raparin, Rania, Kurdistan Region, Iraq
| | - Masoud Salavati-Niasari
- Institute of Nano Science and Nano Technology, University of Kashan, Kashan, P. O. Box. 87317-51167, Islamic Republic of Iran.
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69
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Ramar K, Ahamed AJ, Muralidharan K. Robust green synthetic approach for the production of iron oxide nanorods and its potential environmental and cytotoxicity applications. ADV POWDER TECHNOL 2019. [DOI: 10.1016/j.apt.2019.08.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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70
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Simultaneous adsorptive study of toxic metal ions in quaternary system from aqueous solution using low cost black cumin seeds (Nigella sativa) adsorbents. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2019. [DOI: 10.1016/j.sajce.2019.07.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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71
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Zhang Y, Xia K, Liu X, Chen Z, Du H, Zhang X. Synthesis of cationic-modified silica gel and its adsorption properties for anionic dyes. J Taiwan Inst Chem Eng 2019. [DOI: 10.1016/j.jtice.2019.05.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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72
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Abu-Danso E, Bagheri A, Bhatnagar A. Facile functionalization of cellulose from discarded cigarette butts for the removal of diclofenac from water. Carbohydr Polym 2019; 219:46-55. [DOI: 10.1016/j.carbpol.2019.04.090] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 04/18/2019] [Accepted: 04/29/2019] [Indexed: 11/26/2022]
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73
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Qian LL, Blatov VA, Wang ZX, Ding JG, Zhu LM, Li K, Li BL, Wu B. Sonochemical synthesis and characterization of four nanostructural nickel coordination polymers and photocatalytic degradation of methylene blue. ULTRASONICS SONOCHEMISTRY 2019; 56:213-228. [PMID: 31101257 DOI: 10.1016/j.ultsonch.2019.04.015] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 03/24/2019] [Accepted: 04/08/2019] [Indexed: 05/24/2023]
Abstract
Four nanostructural nickel(II) coordination polymers {[Ni(ttpa)(1,4-ndc)(H2O)2]·2H2O}n (1), {[Ni(ttpa)(1,3-bda)]·2H2O·DMF}n (2·2H2O·DMF), {[Ni(ttpa)(1,4-bdc)]·H2O}n (3) and {[Ni(ttpa)(aip)(H2O)]·3H2O}n (4·3H2O) were synthesized using hydrothermal and sonochemical methods (ttpa = tris(4-(1,2,4-triazol-1-yl)phenyl)amine, 1,4-ndc = 1,4-naphthalenedicarboxylate, 1,3-bda = 1,3-benzenediacetate, 1,4-bdc = 1,4-benzenedicarboxylate, aip = 5-aminoisophthalate), and characterized by elemental analysis, IR spectra, scanning electron microscopy, single-crystal and powder X-ray diffraction analysis, optical band gaps, VB XPS spectra and luminescence. The effects of sonication power, time and frequency on the size and morphology of nano-sized 1-4 have been studied. 1 exhibits an unusual 2D + 2D → 3D inclined polycatenated motif based on the (3,3)-coordinated 63-hcb topology. 2 shows a (3,4)-coordinated 2D network of the bey topology. 3 presents a rare example of the 4-fold interpenetrating array of (3,5)-coordinated 3D network belonging to the 35T1 topology type. 4 displays an unusual 2D → 3D polythreaded network based on 2D sql networks. 1-4 exhibit luminescent emissions at 409, 399, 413 and 402 nm, respectively. 1-4 are semiconducting in nature, with Eg of 2.12 eV (1), 2.34 eV (2), 2.32 eV (3), and 2.47 eV (4). 1-4 are good catalysts for the degradation of MB under visible light irradiation. The effects of the size and morphology of nano-sized 1-4 on the photocatalytic efficiencies were studied. The higher sonication frequency obtains uniform and smaller nano-sized coordination polymers which have higher catalytic efficiencies.
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Affiliation(s)
- Lin-Lu Qian
- State and Local Joint Engineering Laboratory for Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Vladislav A Blatov
- Samara Center for Theoretical Materials Science (SCTMS), Samara State Technical University, Molodogvardeyskaya St. 244, Samara 443100, Russia; Samara Center for Theoretical Materials Science (SCTMS), Samara University, Ac. Pavlov St. 1, Samara 443011, Russia
| | - Zhi-Xiang Wang
- State and Local Joint Engineering Laboratory for Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Jian-Gang Ding
- State and Local Joint Engineering Laboratory for Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Li-Ming Zhu
- State and Local Joint Engineering Laboratory for Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Ke Li
- State and Local Joint Engineering Laboratory for Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Bao-Long Li
- State and Local Joint Engineering Laboratory for Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China.
| | - Bing Wu
- State and Local Joint Engineering Laboratory for Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
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Farsadrooh M, Noroozifar M, Modarresi-Alam AR, Saravani H. Sonochemical synthesis of high-performance Pd@CuNWs/MWCNTs-CH electrocatalyst by galvanic replacement toward ethanol oxidation in alkaline media. ULTRASONICS SONOCHEMISTRY 2019; 51:478-486. [PMID: 30219352 DOI: 10.1016/j.ultsonch.2018.06.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 06/14/2018] [Accepted: 06/14/2018] [Indexed: 06/08/2023]
Abstract
In this paper, a fast and effective method for the palladium (Pd) wire nanostructures synthesis with the great surface area through galvanic replacement reaction utilizing copper nanowires (CuNWS) as a template by the assistance of ultrasound under room temperature condition is proposed. A multifunctional catalyst with the mentioned nanostructure, Pd@CuNWs, and multi walled carbon nanotubes (MWCNTs) and chitosan (CH) as a binder was fabricated. To investigate the morphology and bulk composition of the prepared catalyst, Field Emission Scanning Electron Microscopy (FE-SEM), Energy Dispersive X-ray Spectroscopy (EDS), X-ray Powder Diffraction (XRD), and Inductively Coupled Plasma atomic Emission Spectroscopy (ICP-AES) were utilized. Various electrochemical techniques including chronoamperometry and cyclic voltammetry were employed for the electrocatalytic activity of ethanol electrooxidation and durability in basic solution. Electrochemical catalytic activity and durability evaluation results proved that the as-synthesized Pd@CuNWs/MWCNTs-CH has a super electrocatalytic activity compared to Pd/MWCNTs and Pd/C electrocatalysts for ethanol electrooxidation. Pd@CuNWs/MWCNTs-CH catalyst demonstrated substantially enhanced performance and long-term stability for ethanol electrooxidation in the basic solution in comparison to Pd/MWCNTs and commercial Pd/C demonstrated the potential in utilizing Pd@CuNWs/MWCNTs-CH as an efficient catalyst for ethanol oxidation. Additionally, thermodynamic and kinetic evaluations revealed that the Pd@CuNWs/MWCNTs-CH catalyst has lower activation energy compared to Pd/MWCNTs and Pd/C which leads to a lower energy barrier and an excellent charge transfer rate towards ethanol oxidation. Noticeably, the Pd@CuNWs/MWCNTs-CH presented excellent catalytic activities with high peak current density which was 9.5 times more than Pd/C, and more negative onset potential in comparison to Pd/C is acquired for ethanol electrooxidation denoting synergistic effect between CuNWs/MWCNs-CH and Pd. The Pd@CuNWs/MWCNTs-CH can be considered as a valid candidate among available electrocatalysts in direct ethanol fuel cells (DEFCs).
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Affiliation(s)
- Majid Farsadrooh
- Department of Applied Chemistry, University of Sistan and Baluchestan, P.O. Box 98135-674, Zahedan, Iran.
| | - Meissam Noroozifar
- Department of Applied Chemistry, University of Sistan and Baluchestan, P.O. Box 98135-674, Zahedan, Iran.
| | - Ali Reza Modarresi-Alam
- Department of Chemistry, Organic and Polymer Research Laboratory, University of Sistan and Baluchestan, Zahedan, Iran
| | - Hamideh Saravani
- Department of Applied Chemistry, University of Sistan and Baluchestan, P.O. Box 98135-674, Zahedan, Iran
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75
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Mahdavi R, Ashraf Talesh SS. Enhancement of ultrasound-assisted degradation of Eosin B in the presence of nanoparticles of ZnO as sonocatalyst. ULTRASONICS SONOCHEMISTRY 2019; 51:230-240. [PMID: 30377082 DOI: 10.1016/j.ultsonch.2018.10.020] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 10/10/2018] [Accepted: 10/13/2018] [Indexed: 05/27/2023]
Abstract
In this research, ZnO nanoparticles, as a sonocatalyst for degradation of Eosin B dye under ultrasonic irradiation, were synthesized. Various experimental conditions (ultrasound irradiation power: 50-250 W, ultrasound irradiation time: 10-70 min, catalyst dosage: 1-3 g/L and initial dye concentration: 5-25 mg/L), using ZnO nanoparticles were investigated in order to find the optimal condition for the degradation of Eosin B. The crystalline and grain size of samples were obtained using X-Ray Diffraction (XRD) and Transmission Electron Microscopy (TEM), 15 and 30 nm, respectively. The nanoparticles structure was observed in the form of hexagonal. The band-gap of the prepared nanoparticles was measured as 2.9 eV which is appropriate for sonodegradation process under ultrasonic irradiation. Results demonstrated that Eosin B degradation efficiency was enhanced considerably in sonicated samples compared to non-sonicated ones. The experiments were analyzed via response surface methodology (RSM) based on central composite design (CCD). Analysis of variance (ANOVA) confirmed a good reliability of quadratic response surface model for predicting the sonocatalytic efficiency at various operational parameters (R2 = 0.9918 and Adjusted R2 = 0.9841). Results indicated that increasing the ultrasound power and time led to enhancement of Eosin B removal efficiency, while increasing the dye concentration caused to its decreasing. The degradation of dye, increased by enhancement of the catalyst dosage, where in the specified value (2.17 g/L) it began to decrease. The optimization of the process showed the maximum sonocatalyst degradation of 93.46% at irradiation power, irradiation time, catalyst dosage and dye concentration of 250 W, 70 min, 2.17 g/L and 5.08 mg/L, respectively. Kinetic studies showed that the sonodegradation of Eosin B corresponds well to first-order reaction.
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Affiliation(s)
- Reza Mahdavi
- Department of Chemical Engineering, Faculty of Engineering, University of Guilan, Rasht, Iran
| | - S Siamak Ashraf Talesh
- Department of Chemical Engineering, Faculty of Engineering, University of Guilan, Rasht, Iran.
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76
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Pramanik S, Ahamed F, Ghanta KC, Dutta S. Treatment of coke oven effluent using copper impregnated activated carbon: experiment and modelling. INDIAN CHEMICAL ENGINEER 2019. [DOI: 10.1080/00194506.2019.1573707] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Sabyasachi Pramanik
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, India
| | - Farhan Ahamed
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, India
| | - Kartik Chandra Ghanta
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, India
| | - Susmita Dutta
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, India
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77
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Feng J, Liu Y, Zhang L, Zhu J, Chen J, Xu H, Yang H, Yan W. Effects of calcination temperature on organic functional groups of TiO2 and the adsorption performance of the TiO2 for methylene blue. SEP SCI TECHNOL 2019. [DOI: 10.1080/01496395.2019.1574822] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Jiangtao Feng
- Department of Environmental Science and Engineering, Xi′an Jiaotong University, Xi′an, P.R. China
| | - Yunpeng Liu
- Department of Environmental Science and Engineering, Xi′an Jiaotong University, Xi′an, P.R. China
| | - Lin Zhang
- Department of Environmental Science and Engineering, Xi′an Jiaotong University, Xi′an, P.R. China
| | - Jinwei Zhu
- Department of Environmental Science and Engineering, Xi′an Jiaotong University, Xi′an, P.R. China
- Shaanxi Electrical Equipment Institution, Xi′an, P.R. China
| | - Jie Chen
- Department of Environmental Science and Engineering, Xi′an Jiaotong University, Xi′an, P.R. China
| | - Hao Xu
- Department of Environmental Science and Engineering, Xi′an Jiaotong University, Xi′an, P.R. China
| | - Honghui Yang
- Department of Environmental Science and Engineering, Xi′an Jiaotong University, Xi′an, P.R. China
| | - Wei Yan
- Department of Environmental Science and Engineering, Xi′an Jiaotong University, Xi′an, P.R. China
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78
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Sahu K, Choudhary S, Khan SA, Pandey A, Mohapatra S. Thermal evolution of morphological, structural, optical and photocatalytic properties of CuO thin films. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.nanoso.2018.12.005] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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79
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Murugan P, S. T. R, V. M. B. Characterization, morphology and stability assessment of low-cost industrial by-product as an adsorbent for the removal of methylene blue from aqueous solution. SEP SCI TECHNOL 2019. [DOI: 10.1080/01496395.2019.1567549] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Padmapriya Murugan
- Department of Chemistry, National Institute of Technology, Tiruchirappalli, India
| | - Ramesh S. T.
- Department of Civil Engineering, National Institute of Technology, Tiruchirappalli, India
| | - Biju V. M.
- Department of Chemistry, National Institute of Technology, Tiruchirappalli, India
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80
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Noorimotlagh Z, Mirzaee SA, Martinez SS, Alavi S, Ahmadi M, Jaafarzadeh N. Adsorption of textile dye in activated carbons prepared from DVD and CD wastes modified with multi-wall carbon nanotubes: Equilibrium isotherms, kinetics and thermodynamic study. Chem Eng Res Des 2019. [DOI: 10.1016/j.cherd.2018.11.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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81
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Amiri M, Dashtian K, Ghaedi M, Mosleh S, Jannesar R. Bi2WO6/Ag3PO4–Ag Z-scheme heterojunction as a new plasmonic visible-light-driven photocatalyst: performance evaluation and mechanism study. NEW J CHEM 2019. [DOI: 10.1039/c8nj05195j] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The Bi2WO6/Ag3PO4–Ag Z-scheme heterojunction, as a novel plasmonic visible-light-driven photocatalyst, was prepared by ultrasound assisted in situ precipitation and the hydrothermal method and was further characterized using multiple techniques.
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Affiliation(s)
- Maryam Amiri
- Chemistry Department
- Yasouj University
- Yasouj 75918-74831
- Iran
| | | | | | - Soleiman Mosleh
- Department of Gas and Petroleum
- Yasouj University
- Gachsaran 75918-74831
- Iran
| | - Ramin Jannesar
- Department of Biotechnology and Microbial Nanotechnology
- Dena pathobiology Laboratory
- Yasuj
- Iran
- Department of Pathology
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82
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Arunprasath T, Sudalai S, Meenatchi R, Jeyavishnu K, Arumugam A. Biodegradation of triphenylmethane dye malachite green by a newly isolated fungus strain. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.01.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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83
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Mosleh S, Dashtian K, Ghaedi M, Amiri M. A Bi2WO6/Ag2S/ZnS Z-scheme heterojunction photocatalyst with enhanced visible-light photoactivity towards the degradation of multiple dye pollutants. RSC Adv 2019; 9:30100-30111. [PMID: 35530235 PMCID: PMC9072109 DOI: 10.1039/c9ra05372g] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 09/09/2019] [Indexed: 12/28/2022] Open
Abstract
A novel visible-light-driven Z-scheme heterojunction, Bi2WO6/Ag2S/ZnS, was synthesized and its photocatalytic activity was evaluated for the treatment of a binary mixture of dyes, and its physicochemical properties were characterized using FT-IR, XRD, DRS and FE-SEM techniques. The Bi2WO6/Ag2S/ZnS Z-scheme heterojunctions not only facilitate the charge separation and transfer, but also maintain the redox ability of their components. The superior photocatalytic activity demonstrated by the Z-scheme Bi2WO6/Ag2S/ZnS attributes its unique properties such as the rapid generation of electron–hole pairs, slow recombination rate, and narrow bandgap. The performance of the Bi2WO6/Ag2S/ZnS was evaluated for the simultaneous degradation of methyl green (MG) and auramine-O (AO) dyes, while the influences of the initial MG concentration (4–12 mg L−1), initial AO concentration (2–6 mg L−1), pH (3–9), irradiation time (60–120 min) and photocatalyst dosage (0.008–0.016 g L−1) were investigated through the response surface methodology. The desirability function approach was applied to optimize the process and results revealed that maximum photocatalytic degradation efficiency was obtained at optimum conditions including 6.08 mg L−1 of initial MG concentration, 4.04 mg L−1 of initial AO concentration, 7.25 of pH, 90.58 min of irradiation time and 0.013 g L−1 of photocatalyst dosage. In addition, a possible photocatalytic mechanism of the Bi2WO6/Ag2S/ZnS heterojunction was proposed based on the photoinduced charge carriers. A Z-scheme Bi2WO6/Ag2S/ZnS heterojunction was successfully synthesized as a novel visible-light-driven photocatalyst for the degradation of multiple dye pollutants.![]()
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Affiliation(s)
- Soleiman Mosleh
- Department of Gas and Petroleum
- Yasouj University
- Gachsaran 75918-74831
- Iran
| | | | | | - Maryam Amiri
- Chemistry Department
- Yasouj University
- Yasouj 75918-74831
- Iran
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84
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Sharififard H, Shahraki ZH, Rezvanpanah E, Rad SH. A novel natural chitosan/activated carbon/iron bio-nanocomposite: Sonochemical synthesis, characterization, and application for cadmium removal in batch and continuous adsorption process. BIORESOURCE TECHNOLOGY 2018; 270:562-569. [PMID: 30253349 DOI: 10.1016/j.biortech.2018.09.094] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 09/16/2018] [Accepted: 09/17/2018] [Indexed: 05/24/2023]
Abstract
The natural chitosan was synthesized using shrimp shells via sonochemical method, and activated carbon produced from grape stalks biomass. The novel bio-nanocomposite of chitosan/activated carbon/iron nanoparticles was synthesized via the sonochemical method and characterized using FTIR, SEM, and BET techniques. This bio-based nanocomposite was utilized to cadmium removal from dilute solution. The adsorption process via batch method was optimized, and the impacts of pH of feed, the dosage of adsorbent, and concentration of cadmium were analyzed. The kinetics and equilibrium analysis was done, and results indicate the predomination of chemical absorption and the single-layer adsorption process. Langmuir data indicates that the synthesized bio-nanocomposite can adsorb 344 mg cadmium per each gram. To evaluate the ability of the synthesized nanocomposite in the industrial application, the adsorption tests were done in a continuous adsorption system in three cycles.
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Affiliation(s)
- Hakimeh Sharififard
- Chemical Engineering Department, Yasouj University, Yasouj, Islamic Republic of Iran.
| | | | - Elham Rezvanpanah
- Polymer Engineering Department, Amirkabir University of Technology, Tehran, Islamic Republic of Iran
| | - Somayeh Hosseini Rad
- Polymer Engineering Department, Urmia University, Urmia, Islamic Republic of Iran
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85
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86
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Mosleh S, Rahimi MR, Ghaedi M, Asfaram A, Jannesar R, Sadeghfar F. A rapid and efficient sonophotocatalytic process for degradation of pollutants: Statistical modeling and kinetics study. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.03.115] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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87
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Kisomi AS, Khorrami AR, Alizadeh T, Farsadrooh M, Javadian H, Asfaram A, AsliPashaki SN, Rafiei P. Nanopowder synthesis of novel Sn(II)-imprinted poly(dimethyl vinylphosphonate) by ultrasound-assisted technique: Adsorption and pre-concentration of Sn(II) from aqueous media and real samples. ULTRASONICS SONOCHEMISTRY 2018; 44:129-136. [PMID: 29680594 DOI: 10.1016/j.ultsonch.2018.02.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 01/11/2018] [Accepted: 02/08/2018] [Indexed: 06/08/2023]
Abstract
In this research, a novel Sn(II)-imprinted poly(dimethyl vinylphosphonate) nanopowder (Sn(II)-IPDMVPN) was prepared using Sn2+, dimethyl vinylphosphonate, azobis isobutyronitril and ethylene glycol dimethacrylate as the template, ligand, initiator and cross linker, respectively. The non-imprinted poly(dimethyl vinylphosphonate) nanopowder (NIPDMVPN) was also synthesized utilizing the same procedure without using SnCl2·2H2O in order to compare the results with the Sn(II)-IPDMVPN. The structure, morphology and composition of the products were characterized by XRD, SEM, EDX, XRF, BET, FT-IR and NMR techniques. Some experimental conditions including pH, eluent concentration and sample volume were optimized to maximize Sn(II) adsorption by the Sn(II)-IPDMVPN. It was found that the optimum conditions are pH = 5, 1.00 M of HNO3 as eluent and sample volume up to 50 mL. The results obtained by ICP-MS indicated that the Sn(II)-IPDMVPN had much higher adsorption capacity for Sn(II) ions (about threefold) than the NIPDMVPN. The applicability of the Sn(II)-IPDMVPN was also investigated in three different real samples. Under the best experimental conditions, the calibration graphs were linear in the range of 0.19-90 μg L-1 with a coefficient of determination (R2) of 0.990. The detection limit was calculated to be 0.06 μg L-1. The relative standard deviation (RSD) for six replicate measurements of Sn(II) at 1.00 ng mL-1 was determined to be 1.8%. The results showed that the Sn(II)-IPDMVPN-ICP-MS is a very simple, rapid, sensitive and efficient method for the determination of Sn(II) ions in water samples.
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Affiliation(s)
- Amir Shafiee Kisomi
- Department of Analytical Chemistry, Faculty of Chemistry, University College of Science, University of Tehran, P.O. Box 14155-6455, Tehran, Iran
| | - Afshin Rajabi Khorrami
- Department of Chemistry, Faculty of Sciences, Islamic Azad University, Karaj Branch, Karaj, Iran
| | - Taher Alizadeh
- Department of Analytical Chemistry, Faculty of Chemistry, University College of Science, University of Tehran, P.O. Box 14155-6455, Tehran, Iran
| | - Majid Farsadrooh
- Department of Chemistry, University of Sistan and Baluchestan, P.O. Box 98135-674, Zahedan, Iran
| | - Hamedreza Javadian
- Universitat Politècnica de Catalunya, Department of Chemical Engineering, ETSEIB, Diagonal 647, 08028 Barcelona, Spain; Young Researchers and Elite Club, Arak Branch, Islamic Azad University, Arak, Iran.
| | - Arash Asfaram
- Medicinal Plants Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | | | - Parisa Rafiei
- Department of Analytical Chemistry, Faculty of Chemistry, University College of Science, University of Tehran, P.O. Box 14155-6455, Tehran, Iran
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88
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Ramasamy Raja V, Rosaline DR, Suganthi A, Rajarajan M. Facile sonochemical synthesis of Zn 2SnO 4-V 2O 5 nanocomposite as an effective photocatalyst for degradation of Eosin Yellow. ULTRASONICS SONOCHEMISTRY 2018; 44:310-318. [PMID: 29680616 DOI: 10.1016/j.ultsonch.2018.02.043] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 02/21/2018] [Accepted: 02/24/2018] [Indexed: 06/08/2023]
Abstract
This study presents a novel method for the preparation of Zn2SnO4/V2O5 nanocomposites via a sonochemical aqueous route. This method is mild, convenient, cheap and efficient. The as prepared samples were characterized by XRD, SEM, EDAX, TEM, BET, FT-IR and UV-DRS spectra. DRS spectrum shows the adsorption edge of Zn2SnO4-V2O5 in visible region of spectrum. The structural and morphological features of the as synthesized Zn2SnO4-V2O5 nanocomposites have been observed using both scanning and transmission electron microscopy. BET surface area analysis inferred that the prepared hetero-junctions are meso-porous in nature. The photocatalytic activity of Zn2SnO4-V2O5 nanocomposites for the degradation of Eosin Yellow (EY) dye under visible light was investigated in detail. 3% Zn2SnO4-V2O5 nanocomposite exhibited the highest photocatalytic performance (92% of EY degradation) when compared with 2% Zn2SnO4-V2O5 and 5% Zn2SnO4-V2O5. The adsorption of Eosin Yellow followed the pseudo-first order kinetic model. Simultaneously, high stability of the sample was also investigated by four successive photodegradation of EY under visible light. The relationship between photocatalytic activity and the structure of 3% Zn2SnO4-V2O5 nanocomposite is discussed, and possible reaction mechanisms are also proposed. Therefore, the facile sonochemical preparation process provides some insight into the application of Zn2SnO4-V2O5 nanocomposites in photocatalytic degradation of organic pollutants.
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Affiliation(s)
- V Ramasamy Raja
- P.G & Research Department of Chemistry, Thiagarajar College, Madurai 625 009, Tamil Nadu, India
| | - D Rani Rosaline
- P.G & Research Department of Chemistry, Thiagarajar College, Madurai 625 009, Tamil Nadu, India
| | - A Suganthi
- P.G & Research Department of Chemistry, Thiagarajar College, Madurai 625 009, Tamil Nadu, India; Mother Teresa Women's University, Kodaikanal 624 102, Tamilnadu, India.
| | - M Rajarajan
- Madurai Kamaraj University, Madurai 625 021, Tamilnadu, India.
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Heidari S, Haghighi M, Shabani M. Ultrasound assisted dispersion of Bi 2Sn 2O 7-C 3N 4 nanophotocatalyst over various amount of zeolite Y for enhanced solar-light photocatalytic degradation of tetracycline in aqueous solution. ULTRASONICS SONOCHEMISTRY 2018; 43:61-72. [PMID: 29555289 DOI: 10.1016/j.ultsonch.2018.01.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 12/31/2017] [Accepted: 01/01/2018] [Indexed: 06/08/2023]
Abstract
Bi2Sn2O7-C3N4/Y nanophotocatalyst with various ratios of zeolite and high activity under simulated solar light irradiation were successfully synthesized using ultrasound-assisted dispersion method. The effect of different amounts of zeolite (10, 20 and 30 wt%) on the photocatalytic degradation of antibiotic tetracycline was investigated. The as-prepared nanophotocatalysts were characterized by XRD, FESEM, EDX, BET, FTIR, DRS and pHpzc techniques. The degradation results demonstrated that, Bi2Sn2O7-C3N4/Y(10) nanophotocatalyst with a degradation efficiency of about 80.4% is an optimum sample. This result can be attributed to the zeolite as a support that prevented the accumulation of Bi2Sn2O7-C3N4 active phase and increased access to active sites. Furthermore, it enhanced the adsorption capacity of tetracycline on the photocatalyst surface; that it is beneficial for tetracycline photocatalytic oxidation. Also the results of the DRS analysis indicated that the sharp absorption edge for optimum sample Bi2Sn2O7-C3N4/Y at about 480 nm and was active in the visible light range. Eventually, different operational parameters such as photocatalyst loading, concentrations of pollutant and pH solution were investigated. In addition, the degradation mechanism was suggested for TC removal.
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Affiliation(s)
- Shirin Heidari
- Chemical Engineering Faculty, Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran; Reactor and Catalysis Research Center (RCRC), Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran
| | - Mohammad Haghighi
- Chemical Engineering Faculty, Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran; Reactor and Catalysis Research Center (RCRC), Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran.
| | - Maryam Shabani
- Chemical Engineering Faculty, Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran; Reactor and Catalysis Research Center (RCRC), Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran
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90
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Biswas MRUD, Ali A, Cho KY, Oh WC. Novel synthesis of WSe 2-Graphene-TiO 2 ternary nanocomposite via ultrasonic technics for high photocatalytic reduction of CO 2 into CH 3OH. ULTRASONICS SONOCHEMISTRY 2018; 42:738-746. [PMID: 29429725 DOI: 10.1016/j.ultsonch.2017.12.030] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 12/14/2017] [Accepted: 12/15/2017] [Indexed: 06/08/2023]
Abstract
In the present work, we report the development of a WSe2-Graphene-TiO2 ternary nanocomposite via ultrasonic techniques and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. The band-gap of the WSe2-Graphene-TiO2 was estimated to be about 1.62 eV which is suitable for photodegradation process under under ultraviolet UV/Visible light irradiation. The photocatalytic potential of nanocomposites is investigated for CO2 reduction to CH3OH. WSe2-G-TiO2 with an optimum loading of graphene of 8 wt% showed the high photoactivity, gaining a total CH3OH yield of 6.3262 µmol g-1 h-1 after 48 h. This excellent photoreduction activity is owing to the progressive synergistic relation between WSe2/TiO2 and graphene components in our heterogeneous system.
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Affiliation(s)
- Md Rokon Ud Dowla Biswas
- Department of Advanced Materials Science & Engineering, Hanseo University, Seosan 31962, Republic of Korea
| | - Asghar Ali
- Department of Advanced Materials Science & Engineering, Hanseo University, Seosan 31962, Republic of Korea
| | - Kwang Youn Cho
- Korea Institutes of Ceramic Engineering and Technology, Soho-ro, Jinju-Si, Gyeongsangnam-do, Republic of Korea
| | - Won-Chun Oh
- Department of Advanced Materials Science & Engineering, Hanseo University, Seosan 31962, Republic of Korea.
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91
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Moghaddari M, Yousefi F, Ghaedi M, Dashtian K. A simple approach for the sonochemical loading of Au, Ag and Pd nanoparticle on functionalized MWCNT and subsequent dispersion studies for removal of organic dyes: Artificial neural network and response surface methodology studies. ULTRASONICS SONOCHEMISTRY 2018; 42:422-433. [PMID: 29429688 DOI: 10.1016/j.ultsonch.2017.12.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 12/02/2017] [Accepted: 12/03/2017] [Indexed: 06/08/2023]
Abstract
In this study, the artificial neural network (ANN) and response surface methodology (RSM) based on central composite design (CCD) were applied for modeling and optimization of the simultaneous ultrasound-assisted removal of quinoline yellow (QY) and eosin B (EB). The MWCNT-NH2 and its composites were prepared by sonochemistry method and characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD) and energy dispersive spectroscopy (EDS) analysis's. Initial dyes concentrations, adsorbent mass, sonication time and pH contribution on QY and EB removal percentage were investigated by CCD and replication of experiments at conditions suggested by model has results which statistically are close to experimented data. The ultrasound irradiation is associated with raising mass transfer of process so that small amount of the adsorbent (0.025 g) is able to remove high percentage (88.00% and 91.00%) of QY and EB, respectively in short time (6.0 min) at pH = 6. Analysis of experimental data by conventional models is good indication of Langmuir efficiency for fitting and explanation of experimented data. The ANN based on the Levenberg-Marquardt algorithm (LMA) combined of linear transfer function at output layer and tangent sigmoid transfer function at hidden layer with 20 hidden neurons supply best operation conditions for good prediction of adsorption data. Accurate and efficient artificial neural network was obtained by changing the number of neurons in the hidden layer, while data was divided into training, test and validation sets which contained 70, 15 and 15% of data points respectively. The Average absolute deviation (AAD)% of a collection of 128 data points for MWCNT-NH2 and composites is 0.58%.for EB and 0.55 for YQ.
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Affiliation(s)
- Mitra Moghaddari
- Chemistry Department, Yasouj University, Yasouj 75918-74831, Iran
| | - Fakhri Yousefi
- Chemistry Department, Yasouj University, Yasouj 75918-74831, Iran.
| | - Mehrorang Ghaedi
- Chemistry Department, Yasouj University, Yasouj 75918-74831, Iran.
| | - Kheibar Dashtian
- Chemistry Department, Yasouj University, Yasouj 75918-74831, Iran
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92
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Parsazadeh N, Yousefi F, Ghaedi M, Dashtian K, Borousan F. Preparation and characterization of monoliths HKUST-1 MOF via straightforward conversion of Cu(OH)2-based monoliths and its application for wastewater treatment: artificial neural network and central composite design modeling. NEW J CHEM 2018. [DOI: 10.1039/c8nj01067f] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly crystalline water stable monolithic HKUST-1 MOF by a straightforward conversion of Cu(OH)2-based monoliths was prepared and characterized via FE-SEM, XRD and EDS analysis.
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93
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Tabatabaei N, Dashtian K, Ghaedi M, Sabzehmeidani MM, Ameri E. Novel visible light-driven Cu-based MOFs/Ag2O composite photocatalysts with enhanced photocatalytic activity toward the degradation of orange G: their photocatalytic mechanism and optimization study. NEW J CHEM 2018. [DOI: 10.1039/c7nj03245e] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The present work is devoted to the synthesis of two visible light-driven Cu-based metal organic frameworks composited with Ag2O nanoparticles.
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Affiliation(s)
- Nima Tabatabaei
- Department of Chemical Engineering
- Shahreza Branch
- Islamic Azad University
- Isfahan
- Iran
| | | | | | | | - Elham Ameri
- Department of Chemical Engineering
- Shahreza Branch
- Islamic Azad University
- Isfahan
- Iran
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