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Li H, Yao Y, Yang X, Zhou X, Lei R, He S. Degradation of phenol by photocatalysis using TiO 2/montmorillonite composites under UV light. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:68293-68305. [PMID: 35536468 DOI: 10.1007/s11356-022-20638-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 05/01/2022] [Indexed: 06/14/2023]
Abstract
Composites of titanium (IV) oxide combined with montmorillonite (MMT) with various TiO2/MMT were prepared for photocatalysis application. The prepared samples were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), diffuse reflectance UV-visible spectroscopy, and X-ray photoelectron spectroscopy (XPS). The main influential factors such as the TiO2/MMT dose, calcined temperature, and pH value of the solution were studied. The main intermediates of phenol degradation were determined by high performance liquid chromatography (HPLC). The results showed that the average size of TiO2 nanoparticles was decreased from 22.51 to 10.66 nm through the immobilization on MMT. The components in the interlayer domain were replaced by titanium pillars, and the pillaring reaction proceeded in the interlayer domain, the basic skeleton of MMT was unchanged, and TiO2 was dispersed on the surface of the MMT. When the initial concentration of phenol is 10 mg/L, the phenol solution pH is 6, and the UV light irradiation time is 240 min; the phenol degradation rate of 30%TiO2/MMT composite is 89.8%, which is better than MMT (11.5%) and pure TiO2 (58.8%). It shows that TiO2 loaded on MMT improves its photocatalytic activity. The phenol reaction process detected by HPLC showed that it had undergone through hydroquinone and benzoquinone, and finally converted into maleic acid and carbon dioxide and small molecules. The possible photocatalysis mechanism is presented.
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Affiliation(s)
- Huijuan Li
- Key Laboratory of State Forestry and Grassland Administration On Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China (Southwest Forestry University), Kunming, 650224, People's Republic of China
| | - Yeting Yao
- Key Laboratory of State Forestry and Grassland Administration On Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China (Southwest Forestry University), Kunming, 650224, People's Republic of China
| | - Xiaoyan Yang
- Key Laboratory of State Forestry and Grassland Administration On Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China (Southwest Forestry University), Kunming, 650224, People's Republic of China
- Research Center for Analysis and Measurement, Kunming University of Science and Technology, 650093, Kunming, People's Republic of China
| | - Xusheng Zhou
- Key Laboratory of State Forestry and Grassland Administration On Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China (Southwest Forestry University), Kunming, 650224, People's Republic of China
| | - Ran Lei
- Key Laboratory of State Forestry and Grassland Administration On Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China (Southwest Forestry University), Kunming, 650224, People's Republic of China
| | - Sufang He
- Research Center for Analysis and Measurement, Kunming University of Science and Technology, 650093, Kunming, People's Republic of China.
- State Key Laboratory of Energy and Environmental Photocatalysis, Fuzhou University, 350108, Fuzhou, People's Republic of China.
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Wang M, Shi H, Shao S, Lu K, Wang H, Yang Y, Gong Z, Zuo Y, Gao S. Montmorillonite promoted photodegradation of amlodipine in natural water via formation of surface complexes. CHEMOSPHERE 2022; 286:131641. [PMID: 34325263 DOI: 10.1016/j.chemosphere.2021.131641] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/18/2021] [Accepted: 07/20/2021] [Indexed: 06/13/2023]
Abstract
The photolysis of amlodipine (AML) as a ubiquitous pollutant in natural water has been extensively studied. Montmorillonite (MMT), a major component of suspended particles in surface aquifers, plays key roles in the natural transportation and transformation of organic contaminants in the environment. However, literature has scarcely focused on whether and how suspended particles affect the phototransformation of AML. This study systematically investigated the phototransformation behavior of AML in MMT suspensions under simulated sunlight. The results obtained showed that MMT significantly enhanced the photolysis of AML. The photodegradation of AML in 0.05 g/L MMT suspension reached 92.2 % after 3 h irradiation under the simulated sunlight. The photodecomposition followed the pseudo-first-order kinetic with a rate constant of 0.803 h-1 in the presence of 0.05 g/L MMT, which is about 19 times larger than that in the absence of MMT (0.0421 h-1). Further mechanistic investigation suggested that MMT accelerated the photolysis of AML by the formation of surface complexes between cationic amino groups of AML and the negatively charged sites on MMT surface, which greatly facilitated light absorption and electron transfer for the production of cationic radical AML+·. Meanwhile, the hydroxyl radicals generated by irradiated MMT also played an important role in the photocatalytic degradation of AML. The probable photodegradation pathways of AML in MMT suspension further supported the proposed mechanisms. The toxicity evaluation of phototransformation products of AML with ECOSAR program indicated that photolysis could reduce its potential threats. These findings reveal an important and previously overlooked phototransformation mechanisms of AML in the presence of MMT clays, which is of importance in assessing the environmental fate of other similar organic contaminants.
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Affiliation(s)
- Mengjie Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Huanhuan Shi
- School of Ecology and Environment, Zhengzhou University, Zhengzhou, 450001, China
| | - Shuai Shao
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Kun Lu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Hanyu Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Yun Yang
- Department of Civil and Environmental Engineering, Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Zhimin Gong
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Yuegang Zuo
- University of Massachusetts Dartmouth, 285 Old Westport Road, North Dartmouth, MA, 02747-2300, USA.
| | - Shixiang Gao
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China.
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Mattar Knesebeck A, Ortiz RWP, Wypych F, Zanoelo EF. Synthesis of Malic Acid on Montmorillonite K10: A Langmuir–Hinshelwood Kinetic Study. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b00583] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Annelorie Mattar Knesebeck
- Federal University of Paraná, Graduate Program of Chemical Engineering, Polytechnic Center, Jardim das Américas, 81531-980, Curitiba, PR, Brazil
| | - Ronald Wbeimar Pacheco Ortiz
- Federal University of Paraná, Graduate Program of Food Engineering, Polytechnic Center, Jardim das Américas, 81531-990 Curitiba, PR, Brazil
| | - Fernando Wypych
- Federal University of Paraná, Department of Chemistry, Polytechnic Center, Jardim das Américas, 81531-980, Curitiba, Paraná, Brazil
| | - Everton Fernando Zanoelo
- Federal University of Paraná, Graduate Program of Chemical Engineering, Polytechnic Center, Jardim das Américas, 81531-980, Curitiba, PR, Brazil
- Federal University of Paraná, Graduate Program of Food Engineering, Polytechnic Center, Jardim das Américas, 81531-990 Curitiba, PR, Brazil
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Chotpantarat S, Kiatvarangkul N. Facilitated transport of cadmium with montmorillonite KSF colloids under different pH conditions in water-saturated sand columns: Experiment and transport modeling. WATER RESEARCH 2018; 146:216-231. [PMID: 30268883 DOI: 10.1016/j.watres.2018.09.010] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 08/31/2018] [Accepted: 09/04/2018] [Indexed: 06/08/2023]
Abstract
This study investigated the impact of pH on the migration of cadmium(II) ions (Cd2+) in relation to montmorillonite KSF colloids through a water-saturated sand column (WSSC). The sorption isotherms of Cd2+ on colloids and sand at pH values of 3, 6, and 8 were characterized by batch experiments. Cd2+ sorption by colloids and sand fit well with the Freundlich model. In the column experiments, increasing the pH increased the retardation factors and KF values of Cd2+ both with and without the presence of the colloids. The amount of Cd2+ sorbed onto the montmorillonite KSF colloids in the column effluent increased from 0.29 to 0.97 mg as the pH increased. The colloid increased Cd2+ mobility and acted as a carrier at a high solution pH. The increasing level of Cd2+ sorbed on colloids as the pH increased resulted in a long tailing of the breakthrough curve (BTC) of the total Cd, indicating that the total Cd was controlled by rate-limited reactions. These findings indicate that when the solution pH was greater than the point of zero charge (PZC) of the colloids (pH > 6), the system tended to follow a nonequilibrium two-site (TSM) model rather than an equilibrium (CDeq) model. This implies that the PZC of the colloids in the groundwater system is the main factor in predicting facilitated Cd2+ transport.
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Affiliation(s)
- Srilert Chotpantarat
- Center of Excellence for Environmental and Substance Management (HSM), Chulalongkorn University, Bangkok, Thailand; Department of Geology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Research Program of Toxic Substance Management in the Mining Industry, Center of Excellence on Hazardous Substance Management (HSM), Chulalongkorn University, Bangkok, Thailand; Research Unit of Green Mining (GMM), Chulalongkorn University, Bangkok, Thailand.
| | - Niruch Kiatvarangkul
- Center of Excellence for Environmental and Substance Management (HSM), Chulalongkorn University, Bangkok, Thailand; International Postgraduate Programs in Environmental Management, Graduate School, Chulalongkorn University, Bangkok, 10330, Thailand.
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Zhao L, Xiao X, Peng L, Gu FL, Zhang RQ. Visible-light photocatalytic mechanism of bisphenol-A on nano-Bi2O3: a combined DFT calculation and experimental study. RSC Adv 2014. [DOI: 10.1039/c3ra46783j] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Granados-Oliveros G, Gómez-Vidales V, Nieto-Camacho A, Morales-Serna JA, Cárdenas J, Salmón M. Photoproduction of H2O2and hydroxyl radicals catalysed by natural and super acid-modified montmorillonite and its oxidative role in the peroxidation of lipids. RSC Adv 2013. [DOI: 10.1039/c2ra22393g] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Li J, Mailhot G, Wu F, Deng N. Photodegradation of E2 in the presence of natural montmorillonite and the iron complexing agent ethylenediamine-N,N′-disuccinic acid. Photochem Photobiol Sci 2012; 11:1880-5. [DOI: 10.1039/c2pp25159k] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Advanced Oxidation of Endocrine Disrupting Compounds: Review on Photo-Fenton Treatment of Alkylphenols and Bisphenol A. SPRINGERBRIEFS IN MOLECULAR SCIENCE 2012. [DOI: 10.1007/978-94-007-1430-4_5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Efficient photodegradation of 4,4′-(propane-2,2-diyl)diphenol over biomolecule modified titanium dioxide under visible light irradiation. CATAL COMMUN 2011. [DOI: 10.1016/j.catcom.2011.08.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Zhou Y, Chen L, Lu P, Tang X, Lu J. Removal of bisphenol A from aqueous solution using modified fibric peat as a novel biosorbent. Sep Purif Technol 2011. [DOI: 10.1016/j.seppur.2011.07.026] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Adsorption and photooxidation of pharmaceuticals and personal care products on clay minerals. REACTION KINETICS MECHANISMS AND CATALYSIS 2011. [DOI: 10.1007/s11144-011-0349-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Altman E, Stefanidis GD, van Gerven T, Stankiewicz A. Microwave-Promoted Synthesis of n-Propyl Propionate using Homogeneous Zinc Triflate Catalyst. Ind Eng Chem Res 2011. [DOI: 10.1021/ie200687m] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- E. Altman
- Process and Energy Department, Delft University of Technology, Leeghwaterstraat 44, 2628CA Delft, The Netherlands
| | - G. D. Stefanidis
- Process and Energy Department, Delft University of Technology, Leeghwaterstraat 44, 2628CA Delft, The Netherlands
| | - T. van Gerven
- Department of Chemical Engineering, Katholieke Universiteit Leuven, De Croylaan 46, 3001 Leuven, Belgium
| | - A. Stankiewicz
- Process and Energy Department, Delft University of Technology, Leeghwaterstraat 44, 2628CA Delft, The Netherlands
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Liu Y, Wan K, Deng N, Wu F. Photodegradation of paracetamol in montmorillonite KSF suspension. REACTION KINETICS MECHANISMS AND CATALYSIS 2010. [DOI: 10.1007/s11144-009-0136-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Sharma VK, Anquandah GAK, Yngard RA, Kim H, Fekete J, Bouzek K, Ray AK, Golovko D. Nonylphenol, octylphenol, and bisphenol-A in the aquatic environment: a review on occurrence, fate, and treatment. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2009; 44:423-7. [PMID: 19241257 DOI: 10.1080/10934520902719704] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
This paper reviews the current knowledge on the occurrence, biodegradation, and photooxidation of nonylphenol (NP), octylphenol (OP), and bisphenol-A (BPA) in aquatic environment. Generally, the concentrations determined were 0.006-32.8, < 0.001-1.44, and 0.0005-4.0 mu g L(-1) for NP, OP, and BPA respectively in river waters worldwide. Anthropogenic activities that can lead to run-off and storm water discharge may contribute to such concentrations in rivers. Pathways for biodegradation of NP and BPA appear to be similar. The influence of ferric ions, oxalate, hydrogen peroxide, and dissolved organic matter (DOM) on the photooxidation of NP and BPA in natural water is presented. Several techniques including nanofiltration, adsorption, sonochemical, photocatalytic, chlorination, ozonation, and ferrate(VI) oxidation for removals of NP, OP, and BPA are also reviewed.
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Affiliation(s)
- Virender K Sharma
- Chemistry Department, Florida Institute of Technology, Melbourne, Florida 32901, USA.
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