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Paparo R, Fortunato ME, Carotenuto G, Uggeri F, Nicolais L, Di Serio M, Trifuoggi M, Russo V. Iopamidol Abatement from Waters: A Rigorous Approach to Determine Physicochemical Parameters Needed to Scale Up from Batch to Continuous Operation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:18983-18994. [PMID: 38085695 PMCID: PMC10753885 DOI: 10.1021/acs.langmuir.3c02992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/28/2023] [Accepted: 12/01/2023] [Indexed: 12/27/2023]
Abstract
The abatement of iopamidol (IPM), an X-ray iodinated contrast agent, in aqueous solution using powdered activated carbon (PAC) as a sorbent was investigated in the present work. The material was characterized by various analytical techniques such as thermogravimetric analysis, scanning electron microscopy, transmission electron microscopy, Brunauer-Emmett-Teller analysis, dynamic light scattering, and zeta potential measurements. Both thermodynamic and kinetic experiments were conducted in a batch apparatus, and the effects of the initial concentration of IPM, the temperature, and the adsorbent bulk density on the adsorption kinetics were investigated. The adsorption isotherms were interpreted well using the Langmuir model. Moreover, it was demonstrated that IPM adsorption on PAC is spontaneous and exothermic (ΔH0 = -27 kJ mol-1). The adsorption kinetic data were described using a dynamic intraparticle model for fluid-solid adsorption kinetics (ADIM) allowing determination of a surface activation energy Es = 6 ± 1 kJ mol-1. Comparing the experimental results and the model predictions, a good model fit was obtained.
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Affiliation(s)
- Rosanna Paparo
- Chemical
Sciences Department, University of Naples
Federico II, IT-80126 Naples, Italy
- CeSMA—Centre
of Meteorologic and Avanced Thecnology Services, University of Naples Federico II, corso N. Protopisani 70, 80146 Naples, Italy
| | | | - Gianfranco Carotenuto
- Institute
for Polymers, Composites, and Biomaterials, National Research Council, SS Napoli/Portici, Piazzale Enrico Fermi 1, 80055 Portici, Italy
| | - Fulvio Uggeri
- Bracco
SpA, via Caduti di Marcinelle,
13, 20134 Milano, Italy
| | - Luigi Nicolais
- Materias
Srl, corso N. Protopisani
70, 80146 Naples, Italy
| | - Martino Di Serio
- Chemical
Sciences Department, University of Naples
Federico II, IT-80126 Naples, Italy
- CeSMA—Centre
of Meteorologic and Avanced Thecnology Services, University of Naples Federico II, corso N. Protopisani 70, 80146 Naples, Italy
| | - Marco Trifuoggi
- Chemical
Sciences Department, University of Naples
Federico II, IT-80126 Naples, Italy
- CeSMA—Centre
of Meteorologic and Avanced Thecnology Services, University of Naples Federico II, corso N. Protopisani 70, 80146 Naples, Italy
| | - Vincenzo Russo
- Chemical
Sciences Department, University of Naples
Federico II, IT-80126 Naples, Italy
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Cheng X, Ji Q, Sun D, Zhang J, Chen X, He H, Li S, Yang S, Zhang L. A comparative study on adsorption behavior of iodinated X-ray contrast media iohexol and amidotrizoic acid by magnetic-activated carbon. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:45404-45420. [PMID: 35147873 DOI: 10.1007/s11356-022-19127-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 02/04/2022] [Indexed: 06/14/2023]
Abstract
As persistent and ubiquitous contaminants in water, iodinated X-ray contrast media (ICM) pose a non-negligible risk to the environment and human health. In this study, we investigated the adsorption behavior of two typical ICM compounds, iohexol (IOH) and amidotrizoic acid (DTZ), on magnetic activated carbon. Theoretical investigations, using density functional theory, identified the molecule structures and calculated the molecular diameters of IOH (1.68 nm) and DTZ (1.16 nm), which revealed that ICM could be adsorbed by mesopores and larger micropores. Therefore, magnetic activated carbon with a porous structure was prepared by the co-precipitation method to investigate the adsorption mechanism of IOH and DTZ. MAC--5 (magnetic activated carbon with a theoretical iron oxide content of 37%) showed the best adsorption ability for both IOH and DTZ, with maximum adsorption capacities of 86.05 and 43.00 mg g-1, respectively. Adsorption kinetics and isotherm models were applied to explore the mechanisms involved, and the effects of solution pH, initial concentration, temperature, ionic strength, and natural organic matter were also investigated. The pore filling effect, π-π stacking, hydrogen bonding, and electrostatic interaction, were found to be the main adsorption mechanisms. The co-adsorption data showed that competition may occur in ICM coexisting environments. Interestingly, the used MAC--5 could be successfully regenerated and its adsorption efficiency did not decrease significantly after five cycles, indicating that it is a promising adsorbent for ICM. The results from this study provide some new insights for the treatment of water containing ICM.
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Affiliation(s)
- Xinying Cheng
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, People's Republic of China
| | - Qiuyi Ji
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, People's Republic of China
| | - Dunyu Sun
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, People's Republic of China
| | - Jinghua Zhang
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, People's Republic of China
| | - Xianxian Chen
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, People's Republic of China
| | - Huan He
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, People's Republic of China
- College of Ecological and Resource Engineering, Fujian Provincial Key Laboratory of Eco-Industrial Green Technology, Wuyi University, Wuyishan, Fujian, 354300, People's Republic of China
| | - Shiyin Li
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, People's Republic of China
| | - Shaogui Yang
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, People's Republic of China
| | - Limin Zhang
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, People's Republic of China.
- Green Economy Development Institute, Nanjing University of Finance and Economics, Nanjing, Jiangsu, 210023, People's Republic of China.
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Khan SA, Hussain D, Khan TA. Mechanistic evaluation of metformin drug confiscation from liquid phase on itaconic acid/kaolin hydrogel nanocomposite. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:53298-53313. [PMID: 34031821 DOI: 10.1007/s11356-021-14329-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 05/03/2021] [Indexed: 06/12/2023]
Abstract
Herein, kaolin (K) was amended by a novel gemini surfactant to attain nano-kaolin (nK), which was subsequently employed as a cross-linker in the preparation of itaconic acid/kaolin hydrogel nanocomposite (IA/nK) via free radical polymerization route employing the sonochemical technique, which has been used for the first time to extract metformin (MF) from water solution. The aspects which affect sorption behavior of IA/nK on metformin (MF) were systematically investigated via batch experiments, in harmony with effect of sorbent dosage, contact time, pH, MF concentration, equilibrium curves, kinetic behavior, and thermodynamic parameters. BET studies of IA/nK exhibited SBET of 106.42 m2g-1, pore volume 0.281 cm3 g-1, and a pore radius of 16.627 Å. Kinetic and isotherm modelling portrayed that pseudo-second order and Freundlich model appropriated adsorption data with maximum sorption capacity of 278.35 mg g-1. Thermodynamic parameters ΔHO (13.67 kJmol-1) and ΔGO (-7.648 kJmol-1) revealed that sequestration of MF on IA/nK was endothermic, spontaneous, and dominated by physisorption. Molecular docking study along with X-ray photoelectron spectroscopy inferred electrostatic interaction and hydrogen bonding as main mechanism of MF removal. IA/nK demonstrated dose-reliant inhibition of both gram-positive and gram-negative bacterial strains. IA/nK demonstrated good regeneration properties, up to four cycles without considerable decrease in its efficacy. The admirable sorption capacity coupled with good reusability, and low toxicity substantiates IA/nK as promising adsorbent for MF confiscation.
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Affiliation(s)
- Suhail Ayoub Khan
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Daud Hussain
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Tabrez Alam Khan
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India.
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Chu KH. Revisiting the Temkin Isotherm: Dimensional Inconsistency and Approximate Forms. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c01788] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Khim Hoong Chu
- Honeychem Research, Newtown, Wellington 6021, New Zealand
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Liu P, Wu Z, Abramova AV, Cravotto G. Sonochemical processes for the degradation of antibiotics in aqueous solutions: A review. ULTRASONICS SONOCHEMISTRY 2021; 74:105566. [PMID: 33975189 PMCID: PMC8122362 DOI: 10.1016/j.ultsonch.2021.105566] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 04/12/2021] [Accepted: 04/13/2021] [Indexed: 05/15/2023]
Abstract
Antibiotic residues in water are general health and environmental risks due to the antibiotic-resistance phenomenon. Sonication has been included among the advanced oxidation processes (AOPs) used to remove recalcitrant contaminants in aquatic environments. Sonochemical processes have shown substantial advantages, including cleanliness, safety, energy savings and either negligible or no secondary pollution. This review provides a wide overview of the different protocols and degradation mechanisms for antibiotics that either use sonication alone or in hybrid processes, such as sonication with catalysts, Fenton and Fenton-like processes, photolysis, ozonation, etc.
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Affiliation(s)
- Pengyun Liu
- Department of Drug Science and Technology, University of Turin, via P. Giuria 9, Turin 10125, Italy
| | - Zhilin Wu
- Department of Drug Science and Technology, University of Turin, via P. Giuria 9, Turin 10125, Italy
| | - Anna V Abramova
- Federal State Budgetary Institution of Science N.S. Kurnakov Institute of General Inorganic Chemistry of the Russian Academy of Sciences, GSP-1, V-71, Leninsky Prospekt 31, 119991 Moscow, Russia
| | - Giancarlo Cravotto
- Department of Drug Science and Technology, University of Turin, via P. Giuria 9, Turin 10125, Italy; World-Class Research Center "Digital Biodesign and Personalized Healthcare", Sechenov First Moscow State Medical University, 8 Trubetskaya ul, Moscow, Russia.
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Sengar A, Vijayanandan A. Comprehensive review on iodinated X-ray contrast media: Complete fate, occurrence, and formation of disinfection byproducts. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 769:144846. [PMID: 33736235 DOI: 10.1016/j.scitotenv.2020.144846] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 12/19/2020] [Accepted: 12/20/2020] [Indexed: 05/22/2023]
Abstract
Iodinated contrast media (ICM) are drugs which are used in medical examinations for organ imaging purposes. Wastewater treatment plants (WWTPs) have shown incapability to remove ICM, and as a consequence, ICM and their transformation products (TPs) have been detected in environmental waters. ICM show limited biotransformation and low sorption potential. ICM can act as iodine source and can react with commonly used disinfectants such as chlorine in presence of organic matter to yield iodinated disinfection byproducts (IDBPs) which are more cytotoxic and genotoxic than conventionally known disinfection byproducts (DBPs). Even highly efficient advanced treatment systems have failed to completely mineralize ICM, and TPs that are more toxic than parent ICM are produced. This raises issues regarding the efficacy of existing treatment technologies and serious concern over disinfection of ICM containing waters. Realizing this, the current review aims to capture the attention of scientific community on areas of less focus. The review features in depth knowledge regarding complete environmental fate of ICM along with their existing treatment options.
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Affiliation(s)
- Ashish Sengar
- Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Arya Vijayanandan
- Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India.
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Ge X, Wu Z, Manzoli M, Wu Z, Cravotto G. Feasibility and the Mechanism of Desorption of Phenolic Compounds from Activated Carbons. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c01402] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xinyu Ge
- Dipartimento di Scienza e Tecnologia del Farmaco, University of Turin, Turin 10125, Italy
| | - Zhilin Wu
- Dipartimento di Scienza e Tecnologia del Farmaco, University of Turin, Turin 10125, Italy
- Nanjing Institute of Environmental Science of the Ministry of Environment Protection of China, Nanjing 210042, China
| | - Maela Manzoli
- Dipartimento di Scienza e Tecnologia del Farmaco, University of Turin, Turin 10125, Italy
| | - Zhansheng Wu
- School of Environmental and Chemical Engineering, Xi’an Polytechnic University, Xi’an 710048, China
| | - Giancarlo Cravotto
- Dipartimento di Scienza e Tecnologia del Farmaco, University of Turin, Turin 10125, Italy
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Batch and Column Scale Removal of Cadmium from Water Using Raw and Acid Activated Wheat Straw Biochar. WATER 2019. [DOI: 10.3390/w11071438] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The present study examined novel wheat straw biochar (WSB) and acid treated wheat straw biochar (AWSB) for cadmium removal from contaminated water. A series of batch and column scale experiments was conducted to evaluate the potential of WSB and AWSB for cadmium removal at different biochar dosage (0.5–8 g/L), initial cadmium concentration (5–100 mg/L), solution pH (2–8) and contact time (5–180 min). Results revealed that cadmium adsorption decreased by increasing biochar dosage from 0.5 to 8 g/L; however, optimum dosage for maximum (99%) removal of cadmium was 2 g/L by WSB and 1 g/L by AWSB. Enhanced cadmium removal potential by AWSB is attributed to increased surface area, microporosity and variation in functional groups. Equilibrium experimental data was well described by Freundlich adsorption isotherm whereas kinetic data were better explained with pseudo-second order model. Both WSB and AWSB have shown good adsorption capacity of 31.65 mg/g and 74.63 mg/g, respectively, that is comparable with other costly adsorbents. Columns packed with WSB and AWSB at laboratory scale have also shown good retention of cadmium with excellent reusability. These findings indicate that WSB especially AWSB could be a promising, cost-effective and environmental friendly strategy for the removal of metals from contaminated water.
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