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Sun X, Yin S, Zhao L, Yang W, You Y. Adsorption properties of methylene blue and Cu(II) on magnetically oxidized tannic acid cross-linked carboxymethyl chitosan gels. Int J Biol Macromol 2024; 278:134709. [PMID: 39159797 DOI: 10.1016/j.ijbiomac.2024.134709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2024] [Revised: 08/06/2024] [Accepted: 08/11/2024] [Indexed: 08/21/2024]
Abstract
In this work, tannic acid was selected as a green cross-linking agent to cross-link carboxymethyl chitosan to prepare a magnetic adsorbent (CC-OTA@Fe3O4), which was used to remove methylene blue (MB) and Cu2+. CC-OTA@Fe3O4 was characterized by FTIR, 13C NMR, XRD, VSM, TGA, BET and SEM. The adsorption behavior was studied using various parameters such as pH value, contact time, initial concentration of MB and Cu2+, and temperature. The results showed that adsorption of MB and Cu2+ followed the pseudo-second-order model and the Sips model. The maximum adsorption capacities were determined to be 560.92 and 104.25 mg/g MB and Cu2+ at 298 K, respectively. Thermodynamic analysis showed that the adsorption is spontaneous and endothermic in nature. According to the results of FTIR and XPS analyses, the electrostatic interaction was accompanied by π-π interaction and hydrogen bonding for MB adsorption, while complexation and electrostatic interaction were the predominant mechanism for Cu2+ adsorption. Furthermore, CC-OTA@Fe3O4 displayed remarkable stability in 0.1 M HNO3, exhibited promising recyclability, and could be easily separated from aqueous solutions in the magnetic field. This study demonstrates the potential of CC-OTA@Fe3O4 as an adsorbent for the removal of cationic dyes and heavy metals from wastewater.
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Affiliation(s)
- Xubing Sun
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang 641100, China; Sichuan Science and Technology Resources Sharing Service Platform of Special Agricultural Resources in Tuojiang River Basin, Neijiang 641100, China; Key Laboratory of Fruit Waste Treatment and Resource Recycling of the Provincial Higher Learning Institutes, Neijiang 641100, China.
| | - Shiyu Yin
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang 641100, China
| | - Li Zhao
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang 641100, China; Sichuan Science and Technology Resources Sharing Service Platform of Special Agricultural Resources in Tuojiang River Basin, Neijiang 641100, China; Key Laboratory of Fruit Waste Treatment and Resource Recycling of the Provincial Higher Learning Institutes, Neijiang 641100, China
| | - Wenhua Yang
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang 641100, China; Sichuan Science and Technology Resources Sharing Service Platform of Special Agricultural Resources in Tuojiang River Basin, Neijiang 641100, China; Key Laboratory of Fruit Waste Treatment and Resource Recycling of the Provincial Higher Learning Institutes, Neijiang 641100, China
| | - Yaohui You
- Sichuan Science and Technology Resources Sharing Service Platform of Special Agricultural Resources in Tuojiang River Basin, Neijiang 641100, China
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2
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Yang X, Ci Y, Zhu P, Chen T, Li F, Tang Y. Preparation and characterization of cellulose-chitosan/β-FeOOH composite hydrogels for adsorption and photocatalytic degradation of methyl orange. Int J Biol Macromol 2024; 274:133201. [PMID: 38889833 DOI: 10.1016/j.ijbiomac.2024.133201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 06/12/2024] [Accepted: 06/14/2024] [Indexed: 06/20/2024]
Abstract
Biopolymer-based hydrogels have received great attention in wastewater treatment due to their excellent properties, e.g., high adsorption capacity, fast kinetics, reusability and ease of operation. In the present work, cellulose-chitosan/β-FeOOH composite hydrogels were prepared via co-dissolution and regeneration process as well as hydrothermal in situ synthesis of β-FeOOH. Effect of β-FeOOH loading on the properties of the composite hydrogels and the removal efficiency of methyl orange (MO) was investigated. Results showed that β-FeOOH was uniformly loaded onto the hydrogel framework, and the nanoporous structure of composite hydrogels could increase not only the effective contact area between β-FeOOH and the pollutants but also the active sites. Moreover, the increased β-FeOOH loading led to the enhanced MO removal rate under light conditions. When the loading time was extended from 6 h to 9 h, the MO removal rate increased by 21%, which can be mainly due to the photocatalytic degradation. In addition, MO removal rate reached 97.75% within 40 min under optimal conditions and attained 80.81% after five repetitions. The trapping experiment and EPR results indicated that the main active species were hydrogel radicals and holes. Consequently, this work provides an effective preparation approach for cellulose-chitosan/β-FeOOH composite hydrogel with high adsorption and photocatalytic degradation, which would hold great promise for wastewater treatment applications.
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Affiliation(s)
- Xiaoyu Yang
- National Engineering Laboratory of Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yuhui Ci
- National Engineering Laboratory of Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Peng Zhu
- National Engineering Laboratory of Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Tianying Chen
- National Engineering Laboratory of Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Feiyun Li
- Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yanjun Tang
- National Engineering Laboratory of Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China.
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3
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Sun J, Hu R, Zhao X, Liu T, Bai Z. A novel chitosan/cellulose phosphonate composite hydrogel for ultrafast and efficient removal of Pb(II) and Cu(II) from wastewater. Carbohydr Polym 2024; 336:122104. [PMID: 38670774 DOI: 10.1016/j.carbpol.2024.122104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024]
Abstract
Developing green and high-performance adsorbents to separate heavy metals from wastewater is a challenging task. Biomass hydrogel has the advantages of low cost, renewability, and biodegradability, but it has the problem of low adsorption efficiency. Herein, a novel chitosan/cellulose phosphonate composite hydrogel(CS/MCCP) is fabricated by two steps of reactions including the Phosphorylation reaction and the Mannich reaction. As an excellent chelating group, the phosphonate group greatly enhances the adsorption efficiency of the biomass hydrogel. The CS/MCCP shows ultrafast adsorption rate and excellent adsorption capacity for Pb(II) and Cu(II). The saturated adsorption capacity of Pb(II) and Cu(II) is 211.42 and 74.29 mg·g-1, respectively. The adsorption equilibration time is only 10 min. The adsorption performance of the CS/MCCP is superior to that of the reported cellulose/chitosan hydrogels. Besides, an in-depth analysis of the adsorption mechanism is conducted using X-ray photoelectron spectroscopy(XPS) combined with Density Functional Theory(DFT) calculation. The results reveal that the adsorption mechanism is electrostatic attraction and surface complexation, and there is a synergistic coordination between the phosphonate groups and the amino groups.
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Affiliation(s)
- Junhua Sun
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Laboratory for Biotechnology Drugs of National Health Commission (Shandong Academy of Medical Sciences), Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan 250117, PR China
| | - Riming Hu
- School of Materials Science and Engineering, University of Jinan, Jinan 250022, PR China
| | - Xiuxian Zhao
- School of Materials Science and Engineering, University of Jinan, Jinan 250022, PR China.
| | - Teng Liu
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Laboratory for Biotechnology Drugs of National Health Commission (Shandong Academy of Medical Sciences), Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan 250117, PR China.
| | - Zhushuang Bai
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Laboratory for Biotechnology Drugs of National Health Commission (Shandong Academy of Medical Sciences), Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan 250117, PR China.
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Adhikari J, Dasgupta S, Das P, Gouripriya DA, Barui A, Basak P, Ghosh M, Saha P. Bilayer regenerated cellulose/quaternized chitosan-hyaluronic acid/collagen electrospun scaffold for potential wound healing applications. Int J Biol Macromol 2024; 261:129661. [PMID: 38266850 DOI: 10.1016/j.ijbiomac.2024.129661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 01/12/2024] [Accepted: 01/19/2024] [Indexed: 01/26/2024]
Abstract
In this study, a bilayer electrospun scaffold has been prepared using regenerated cellulose (RC)/quaternized chitosan (CS) as the primary layer and collagen/hyaluronic acid (HA) as the second layer. An approximate 48 mol% substituted (estimated from 1H NMR) quaternized CS was used in this study. Both layers were crosslinked with EDC/NHS, reflecting an increase in UTS (2.29 MPa for the bilayer scaffold compared to 1.82 MPa for the RC scaffold). Initial cell viability, cell adhesion and proliferation, FDA staining for live cells, and hydroxyproline release rate from cells were evaluated with L929 mouse fibroblast cells. Also, detailed in vitro studies were performed using HADF cells, which include MTT Assay, Live/Dead imaging, DAPI staining, gene expression of PDGF, VEGF-A, and COL1 in RT-PCR, and cell cycle analysis. The collagen/HA-based bilayer scaffold depicted a 9.76-fold increase of VEGF-A compared to a 2.1-fold increase for the RC scaffold, indicating angiogenesis and vascularization potential. In vitro scratch assay was performed to observe the migration of cells in simulated wounds. Antimicrobial, antioxidant, and protease inhibitory activity were further performed, and overall, the primary results highlighted the potential usage of bilayer scaffold in wound healing applications.
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Affiliation(s)
- Jaideep Adhikari
- School of Advanced Materials, Green Energy and Sensor Systems, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India
| | - Shalini Dasgupta
- Centre for Healthcare Science and Technology, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India
| | - Pratik Das
- School of Bioscience and Engineering, Jadavpur University, 188, Raja S.C. Mullick Road, Kolkata 700032, West Bengal, India
| | - D A Gouripriya
- Centre for Interdisciplinary Sciences, JIS Institute of Advanced Studies and Research (JISIASR) Kolkata, JIS University, GP Block, Salt Lake, Sector-5, WB 700091, India
| | - Ananya Barui
- Centre for Healthcare Science and Technology, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India
| | - Piyali Basak
- School of Bioscience and Engineering, Jadavpur University, 188, Raja S.C. Mullick Road, Kolkata 700032, West Bengal, India
| | - Manojit Ghosh
- Department of Metallurgy and Materials Engineering, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India
| | - Prosenjit Saha
- Centre for Interdisciplinary Sciences, JIS Institute of Advanced Studies and Research (JISIASR) Kolkata, JIS University, GP Block, Salt Lake, Sector-5, WB 700091, India.
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Rahaman MH, Islam MR, Islam R, Alam SMN, Rahman MS, Rahman MA, Begum BA. Preparation, characterization, and adsorption kinetics of graphene oxide/chitosan/carboxymethyl cellulose composites for the removal of environmentally relevant toxic metals. Int J Biol Macromol 2024; 257:128357. [PMID: 38035970 DOI: 10.1016/j.ijbiomac.2023.128357] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/16/2023] [Accepted: 11/20/2023] [Indexed: 12/02/2023]
Abstract
This study attempted to develop a low-cost and eco-friendly bio-based composite adsorbent that is highly efficient in capturing potential toxic metals. The bio-composite adsorbent was prepared using graphene oxide (GO), carboxymethyl cellulose (CMC) and chitosan (CS); and characterized using FTIR, SEM-EDX and WAXD techniques. Metal-ion concentration in an aqueous solution was measured by ICP-OES. This article reveals that the adsorption of heavy metal ions varied according to the adsorbent quantity, initial metal concentration, pH, and interaction time. The metal ions' adsorption capacity (mg/g) was observed to increase when the interaction time and metal concentration increased. Conversely, metal ions adsorption was decreased with an increase in adsorbent dosages. The effect of pH on metal ions' adsorption was ion-specific. The substantial adsorption by GO/CMC/CS composite for Co2+, CrO42-, Mn2+ and Cd2+, had the respective values of 43.55, 77.70, 57.78, and 91.38 mg/g under acidic conditions. The metal ions experimental data were best fitted with pseudo-second-order (PSO) kinetics, and Freundlich isotherm model (except Co2+). The separation factors (RL) value in the present investigation were found between 0 and 1, meaning that the metal ions adsorption onto GO/CS/CMC composite is favorable. The RL and sorption intensity (1/n) values fitted well to the adsorption isotherm.
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Affiliation(s)
- Md Hafezur Rahaman
- Department of Applied Chemistry and Chemical Engineering, Islamic University, Kushtia 7003, Bangladesh.
| | - Md Rakibul Islam
- Department of Applied Chemistry and Chemical Engineering, Islamic University, Kushtia 7003, Bangladesh
| | - Rafiquel Islam
- Department of Applied Chemistry and Chemical Engineering, Islamic University, Kushtia 7003, Bangladesh
| | - S M Nur Alam
- Department of Chemical Engineering, Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - Md Safiur Rahman
- Atomic Energy Centre (AECD) Bangladesh Atomic Energy Commission, Dhaka 1000, Bangladesh
| | - Md Aminur Rahman
- Department of Public Health Engineering, Zonal Laboratory, Khulna 9100, Bangladesh
| | - Bilkis A Begum
- Atomic Energy Centre (AECD) Bangladesh Atomic Energy Commission, Dhaka 1000, Bangladesh
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Mohamad Sarbani NM, Hidayat E, Naito K, Mitoma Y, Harada H. Cr (VI) and Pb (II) Removal Using Crosslinking Magnetite-Carboxymethyl Cellulose-Chitosan Hydrogel Beads. Gels 2023; 9:612. [PMID: 37623067 PMCID: PMC10453601 DOI: 10.3390/gels9080612] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/21/2023] [Accepted: 07/26/2023] [Indexed: 08/26/2023] Open
Abstract
Heavy metals, such as chromium (VI) and lead (II), are the most common pollutants found in wastewater. To solve these problems, this research was intended to synthesize magnetite hydrogel beads (CMC-CS-Fe3O4) by crosslinking carboxymethyl cellulose (CMC) and chitosan (CS) and impregnating them with iron oxide (Fe3O4) as a potential adsorbent to remove Cr (VI) and Pb (II) from water. CMC-CS-Fe3O4 was characterized by pHzpc, scanning electron microscopy (SEM), and Fourier-transform infrared spectroscopy (FTIR). Batch removal experiments with different variables (CMC:CS ratio, pH, initial metals concentration, and contact time) were conducted, and the results revealed that CMC-CS-Fe3O4 with a CMC:CS (3:1) ratio had the best adsorption capacity for Cr (VI) and Pb (II) at pH levels of 2 and 4, respectively. The findings of this research revealed that the maximum adsorption capacity for Cr (VI) and Pb (II) were 3.5 mg/g and 18.26 mg/g, respectively, within 28 h at 30 ℃. The adsorption isotherm and adsorption kinetics suggested that removal of Cr (VI) and Pb (II) were fitted to Langmuir and pseudo-second orders. The highest desorption percentages for Cr (VI) and Pb (II) were 70.43% and 83.85%, achieved using 0.3 M NaOH and 0.01 M N·a2EDTA, respectively. Interestingly, after the first cycle of the adsorption-desorption process, the hydrogel showed a sudden increase in adsorption capacity for Cr (VI) and Pb (II) until it reached 7.7 mg/g and 33.0 mg/g, respectively. This outcome may have certain causes, such as entrapped metal ions providing easy access to the available sites inside the hydrogel or thinning of the outer layer of the beads leading to greater exposure toward active sites. Hence, CMC-CS-Fe3O4 hydrogel beads may have potential application in Cr (VI) and Pb (II) removal from aqueous solutions for sustainable environments.
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Affiliation(s)
- Nur Maisarah Mohamad Sarbani
- Graduate School of Comprehensive and Scientific Research, Prefectural University of Hiroshima, Shobara 727-0023, Japan; (N.M.M.S.); (E.H.); (K.N.); (Y.M.)
- Department of Life and Environmental Science, Faculty of Bioresources Science, Prefectural University of Hiroshima, Shobara 727-0023, Japan
| | - Endar Hidayat
- Graduate School of Comprehensive and Scientific Research, Prefectural University of Hiroshima, Shobara 727-0023, Japan; (N.M.M.S.); (E.H.); (K.N.); (Y.M.)
- Department of Life and Environmental Science, Faculty of Bioresources Science, Prefectural University of Hiroshima, Shobara 727-0023, Japan
| | - Kanako Naito
- Graduate School of Comprehensive and Scientific Research, Prefectural University of Hiroshima, Shobara 727-0023, Japan; (N.M.M.S.); (E.H.); (K.N.); (Y.M.)
- Department of Life and Environmental Science, Faculty of Bioresources Science, Prefectural University of Hiroshima, Shobara 727-0023, Japan
| | - Yoshiharu Mitoma
- Graduate School of Comprehensive and Scientific Research, Prefectural University of Hiroshima, Shobara 727-0023, Japan; (N.M.M.S.); (E.H.); (K.N.); (Y.M.)
- Department of Life and Environmental Science, Faculty of Bioresources Science, Prefectural University of Hiroshima, Shobara 727-0023, Japan
| | - Hiroyuki Harada
- Graduate School of Comprehensive and Scientific Research, Prefectural University of Hiroshima, Shobara 727-0023, Japan; (N.M.M.S.); (E.H.); (K.N.); (Y.M.)
- Department of Life and Environmental Science, Faculty of Bioresources Science, Prefectural University of Hiroshima, Shobara 727-0023, Japan
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7
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Ye S, Xu M, Sun H, Ni Y, Wang R, Ye R, Wan L, Liu F, Deng X, Wu J. Using deep eutectic solvent dissolved low-value cotton linter based efficient magnetic adsorbents for heavy metal removal. RSC Adv 2023; 13:13592-13603. [PMID: 37152574 PMCID: PMC10155191 DOI: 10.1039/d3ra01248d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 04/18/2023] [Indexed: 05/09/2023] Open
Abstract
In this study, a novel magnetic bio-adsorbent was synthesized by modifying cotton linter (CL) cellulose with deep eutectic solvents (DESs) and Fe3O4 magnetic nanoparticles. The adsorption capacity of CL, Fe3O4/CL, Fe3O4/CL-oxidation, and Fe3O4/CL-DES for Cu2+ was 11.0, 66.1, 85.7, and 93.1 mg g-1, respectively, under the optimal adsorption conditions of an initial pH value of 6.0, stirring rate of 300 rpm, and a temperature of 30 °C. The presence of Fe3O4 nanoparticles increased the proportion of hydroxyl groups and thus improved the ion-exchange ability of Cu2+. The dissolution of DES significantly decreased fiber crystallinity and increased the number of hydroxyl group (amorphous regions increased), thus improving the chelation reaction of Cu2+, which was favorable for surface adsorption. In addition, we used the Langmuir and Freundlich isothermal models to simulate the adsorption behavior of Fe3O4/CL-DES, and the results indicated that Cu2+ follows a Freundlich isotherm model of multilayer adsorption. The fitting of the adsorption kinetics model indicated that the adsorption process involves multiple adsorption mechanisms and can be described by a quasi-second-order model. These results provide a potential method for the preparation of high-efficiency adsorbents from low-value cotton linter, which has broad application prospects in wastewater treatment.
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Affiliation(s)
- Sihong Ye
- Institute of Cotton, Anhui Academy of Agricultural Sciences Hefei China
| | - Mingli Xu
- Department of Life Sciences, Anhui Agricultural University Hefei China
| | - Hui Sun
- Institute of Cotton, Anhui Academy of Agricultural Sciences Hefei China
| | - Ying Ni
- Institute of Cotton, Anhui Academy of Agricultural Sciences Hefei China
| | - Rui Wang
- Institute of Cotton, Anhui Academy of Agricultural Sciences Hefei China
| | - Runping Ye
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, Institute of Applied Chemistry, School of Chemistry and Chemical Engineering, Nanchang University Nanchang China
| | - Lingzhong Wan
- Institute of Cotton, Anhui Academy of Agricultural Sciences Hefei China
| | - Fangzhi Liu
- Institute of Cotton, Anhui Academy of Agricultural Sciences Hefei China
| | - Xiaonan Deng
- Institute of Cotton, Anhui Academy of Agricultural Sciences Hefei China
| | - Juan Wu
- Institute of Cotton, Anhui Academy of Agricultural Sciences Hefei China
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Zhang Z, Ahmed AIS, Malik MZ, Ali N, Khan A, Ali F, Hassan MO, Mohamed BA, Zdarta J, Bilal M. Cellulose/inorganic nanoparticles-based nano-biocomposite for abatement of water and wastewater pollutants. CHEMOSPHERE 2023; 313:137483. [PMID: 36513201 DOI: 10.1016/j.chemosphere.2022.137483] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/25/2022] [Accepted: 12/03/2022] [Indexed: 06/17/2023]
Abstract
Nanostructured materials offer a significant role in wastewater treatment with diminished capital and operational expense, low dose, and pollutant selectivity. Specifically, the nanocomposites of cellulose with inorganic nanoparticles (NPs) have drawn a prodigious interest because of the extraordinary cellulose properties, high specific surface area, and pollutant selectivity of NPs. Integrating inorganic NPs with cellulose biopolymers for wastewater treatment is a promising advantage for inorganic NPs, such as colloidal stability, agglomeration prevention, and easy isolation of magnetic material after use. This article presents a comprehensive overview of water treatment approaches following wastewater remediation by green and environmentally friendly cellulose/inorganic nanoparticles-based bio-nanocomposites. The functionalization of cellulose, functionalization mechanism, and engineered hybrid materials were thoroughly discussed. Moreover, we also highlighted the purification of wastewater through the composites of cellulose/inorganic nanoparticles via adsorption, photocatalytic and antibacterial approach.
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Affiliation(s)
- Zhen Zhang
- Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou, 318000, Zhejiang Province, China
| | - Abdulrazaq Ibrahim Said Ahmed
- Key Laboratory of Regional Resource Exploitation and Medicinal Research, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huai'an, Jiangsu Province, China
| | - Muhammad Zeeshan Malik
- School of Electronics and Information Engineering, Taizhou University, Taizhou, 318000, Zhejiang Province, China.
| | - Nisar Ali
- Key Laboratory of Regional Resource Exploitation and Medicinal Research, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huai'an, Jiangsu Province, China
| | - Adnan Khan
- Institute of Chemical Sciences, University of Peshawar, Khyber Pakhtunkhwa, 25120, Pakistan
| | - Farman Ali
- Department of Chemistry, Hazara University, KPK, Mansehra, 21300, Pakistan
| | - Mohamed Osman Hassan
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Badr A Mohamed
- Department of Agricultural Engineering, Cairo University, El-Gamma Street, Giza 12613, Egypt
| | - Jakub Zdarta
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965, Poznan, Poland
| | - Muhammad Bilal
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965, Poznan, Poland
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Han Y, Ma Z, Cong H, Wang Q, Wang X. Surface Chitosan-coated Fe3O4 immobilized lignin for adsorbed phosphate radicals in solution. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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10
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Shafiq T, Yasmin H, Shah ZA, Nosheen A, Ahmad P, Kaushik P, Ahmad A. Titanium Oxide and Zinc Oxide Nanoparticles in Combination with Cadmium Tolerant Bacillus pumilus Ameliorates the Cadmium Toxicity in Maize. Antioxidants (Basel) 2022; 11:antiox11112156. [PMID: 36358528 PMCID: PMC9686562 DOI: 10.3390/antiox11112156] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 12/02/2022] Open
Abstract
The efficiency of Cd-tolerant plant growth-promoting bacteria (PGPB), zinc oxide nanoparticles (ZnO NPs), and titanium dioxide nanoparticles (TiO2) in maize growing in Cd-rich conditions was tested in the current study. The best Cd-tolerant strain, Bacillus pumilus, exhibited plant growth stimulation in vivo and in vitro experiments. We determined the toxic concentrations (30 (ppm)) of both NPs for plant growth. B. pumilus, ZnO NPs (20 (ppm)), and TiO2 NPs (10 (ppm)) had a synergistic effect on plant growth promotion in Cd-contaminated soil (120 (ppm)) in a pot experiment. Both alone and in combination, these therapies reduced Cd toxicity, resulting in improved stress metabolism and defense responses. The combined treatments showed increased relative water content, photosynthetic pigments, proline, total sugars, and proteins and significantly reduced lipid peroxidation. Moreover, this combination increased the levels of minerals and antioxidants and reduced Cd bioaccumulation in shoots and roots by 40–60%. Our in silico pipeline presented a novel picture of the participation of ZnO–TiO2 protein interaction in both B. pumilus and maize. These findings provide fresh insights on the use of B. pumilus, ZnO, and TiO2 NPs, both separately and in combination, as a viable and environmentally benign strategy for reducing Cd stress in maize.
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Affiliation(s)
- Tayyab Shafiq
- Department of Biosciences, COMSATS University Islamabad (CUI), Islamabad 45550, Pakistan
| | - Humaira Yasmin
- Department of Biosciences, COMSATS University Islamabad (CUI), Islamabad 45550, Pakistan
- Correspondence: (H.Y.); (P.A.)
| | - Zafar Abbas Shah
- Department of Bioinformatics, Hazara University, Mansehra 21120, Pakistan
| | - Asia Nosheen
- Department of Biosciences, COMSATS University Islamabad (CUI), Islamabad 45550, Pakistan
| | - Parvaiz Ahmad
- Department of Botany, GDC Pulwama, Pulwama 192301, Jammu and Kashmir, India
- Correspondence: (H.Y.); (P.A.)
| | - Prashant Kaushik
- Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, 46022 Valencia, Spain
| | - Ajaz Ahmad
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
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Hu C, Jiang J, Li Y, Wu Y, Ma J, Li H, Zheng H. Eco-friendly poly(dopamine)-modified glass microspheres as a novel self-floating adsorbent for enhanced adsorption of tetracycline. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121046] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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12
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da Silva DJ, Rosa DS. Chromium removal capability, water resistance and mechanical behavior of foams based on cellulose nanofibrils with citric acid. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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13
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Othmani A, Magdouli S, Senthil Kumar P, Kapoor A, Chellam PV, Gökkuş Ö. Agricultural waste materials for adsorptive removal of phenols, chromium (VI) and cadmium (II) from wastewater: A review. ENVIRONMENTAL RESEARCH 2022; 204:111916. [PMID: 34428450 DOI: 10.1016/j.envres.2021.111916] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 08/14/2021] [Accepted: 08/17/2021] [Indexed: 05/21/2023]
Abstract
Management of basic natural resources and the spent industrial and domestic streams to provide a sustainable safe environment for healthy living is a magnum challenge to scientists and environmentalists. The present remedial approach to the wastewater focuses on recovering pure water for reuse and converting the contaminants into a solid matrix for permanent land disposal. However, the ground water aquifers, over a long period slowly leach the contaminants consequently polluting the ground water. Synthetic adsorbents, mainly consisting of polymeric resins, chelating agents, etc. are efficient and have high specificity, but ultimate disposal is a challenge as most of these materials are non-biodegradable. In this context, it is felt appropriate to review the utility of adsorbents based on natural green materials such as agricultural waste and restricted to few model contaminants: phenols, and heavy metals chromium(VI), and cadmium(II) in view of the vast amount of literature available. The article discusses the features of the agricultural waste material-based adsorbents including the mechanism. It is inferred that agricultural waste materials are some of the common renewable sources available across the globe and can be used as sustainable adsorbents. A discussion on challenges for industrial scale implementation and integration with advanced technologies like magnetic-based approaches and nanotechnology to improve the removal efficiency is included for future prospects.
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Affiliation(s)
- Amina Othmani
- Faculty of Sciences of Monastir, University of Monastir, Avenue of the Environment, 5019, Monastir, Tunisia.
| | - Sara Magdouli
- Department of Civil Engineering, Lassonde School of Engineering, York University, North York, Toronto, M3J 1P3, Ontario, Canada; Institut National de la Recherche Scientifique (Centre Eau, Terre et Environnement), Université du Québec, 490 Rue de la Couronne, Québec, G1K 9A9, Qc, Canada; Centre Technologique des Résidus Industriels en Abitibi Témiscamingue, 433 Boulevard du Collège, J9X0E1, Canada
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, India.
| | - Ashish Kapoor
- Department of Chemical Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603203, India
| | | | - Ömür Gökkuş
- Erciyes University, Engineering Faculty Environmental Engineering Department, 38039, Kayseri, Turkey
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14
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Yang W, Li Y, Xiao Y, Hou J, Tang K, Pei Y. Construction of porous cellulose tubes and the evaluations of mechanical properties and cytocompatibility. J Appl Polym Sci 2021. [DOI: 10.1002/app.51399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wen Yang
- School of Materials Science and Engineering Zhengzhou University Zhengzhou China
| | - Yifan Li
- School of Materials Science and Engineering Zhengzhou University Zhengzhou China
| | - Yuelong Xiao
- School of Materials Science and Engineering Zhengzhou University Zhengzhou China
| | - Jianhua Hou
- School of Mechanics Science Zhengzhou University Zhengzhou China
- National Center for International Research of Micro‐nano Molding Technology, Zhengzhou University Zhengzhou China
| | - Keyong Tang
- School of Materials Science and Engineering Zhengzhou University Zhengzhou China
| | - Ying Pei
- School of Materials Science and Engineering Zhengzhou University Zhengzhou China
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15
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Liosis C, Papadopoulou A, Karvelas E, Karakasidis TE, Sarris IE. Heavy Metal Adsorption Using Magnetic Nanoparticles for Water Purification: A Critical Review. MATERIALS (BASEL, SWITZERLAND) 2021; 14:7500. [PMID: 34947096 PMCID: PMC8707578 DOI: 10.3390/ma14247500] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/22/2021] [Accepted: 12/01/2021] [Indexed: 12/12/2022]
Abstract
Research on contamination of groundwater and drinking water is of major importance. Due to the rapid and significant progress in the last decade in nanotechnology and its potential applications to water purification, such as adsorption of heavy metal ion from contaminated water, a wide number of articles have been published. An evaluating frame of the main findings of recent research on heavy metal removal using magnetic nanoparticles, with emphasis on water quality and method applicability, is presented. A large number of articles have been studied with a focus on the synthesis and characterization procedures for bare and modified magnetic nanoparticles as well as on their adsorption capacity and the corresponding desorption process of the methods are presented. The present review analysis shows that the experimental procedures demonstrate high adsorption capacity for pollutants from aquatic solutions. Moreover, reuse of the employed nanoparticles up to five times leads to an efficiency up to 90%. We must mention also that in some rare occasions, nanoparticles have been reused up to 22 times.
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Affiliation(s)
- Christos Liosis
- Department of Civil Engineering, University of Thessaly, 38334 Volos, Greece;
| | - Athina Papadopoulou
- Inorganic Chemistry Laboratory, Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece;
| | - Evangelos Karvelas
- Department of Mechanical Engineering, University of West Attica, 12243 Athens, Greece; (E.K.); (I.E.S.)
- Condensed Matter Physics Lab, Department of Physics, University of Thessaly, 35100 Lamia, Greece
| | - Theodoros E. Karakasidis
- Condensed Matter Physics Lab, Department of Physics, University of Thessaly, 35100 Lamia, Greece
| | - Ioannis E. Sarris
- Department of Mechanical Engineering, University of West Attica, 12243 Athens, Greece; (E.K.); (I.E.S.)
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16
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Jiang Z, Ho SH, Wang X, Li Y, Wang C. Application of biodegradable cellulose-based biomass materials in wastewater treatment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 290:118087. [PMID: 34488155 DOI: 10.1016/j.envpol.2021.118087] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/28/2021] [Accepted: 08/30/2021] [Indexed: 06/13/2023]
Abstract
Water bodies contain a large number of harmful environmental pollutants, including oil, heavy metal ions and dyes, which has become a major global problem. The current work focusses on the development and future prospect of sustainable application of biodegradable cellulose-biomass materials in water treatment, considering that they show an important prospect in wastewater treatment. This paper summarizes the advantages and disadvantages of cellulose-biomass materials in removing harmful substances and pollutants from water and the key problems the technology faces. Cellulose-biomass material has unique structure, is environment friendly, degradable, renewable and provides low energy cost benefits, among other advantages. In this paper, the research progress of wastewater treatment in recent years is reviewed from the following three aspects: oil-water separation, heavy metal ions in water, and dye adsorption. The future research direction is also discussed.
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Affiliation(s)
- Zishuai Jiang
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
| | - Shih-Hsin Ho
- State Key Laboratory of Urban Water Resources and Environment, Harbin Institute of Technology, Harbin, 150040, PR China
| | - Xin Wang
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
| | - Yudong Li
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
| | - Chengyu Wang
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China.
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17
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Carvalho JPF, Silva ACQ, Silvestre AJD, Freire CSR, Vilela C. Spherical Cellulose Micro and Nanoparticles: A Review of Recent Developments and Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2744. [PMID: 34685185 PMCID: PMC8537411 DOI: 10.3390/nano11102744] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/07/2021] [Accepted: 10/09/2021] [Indexed: 12/27/2022]
Abstract
Cellulose, the most abundant natural polymer, is a versatile polysaccharide that is being exploited to manufacture innovative blends, composites, and hybrid materials in the form of membranes, films, coatings, hydrogels, and foams, as well as particles at the micro and nano scales. The application fields of cellulose micro and nanoparticles run the gamut from medicine, biology, and environment to electronics and energy. In fact, the number of studies dealing with sphere-shaped micro and nanoparticles based exclusively on cellulose (or its derivatives) or cellulose in combination with other molecules and macromolecules has been steadily increasing in the last five years. Hence, there is a clear need for an up-to-date narrative that gathers the latest advances on this research topic. So, the aim of this review is to portray some of the most recent and relevant developments on the use of cellulose to produce spherical micro- and nano-sized particles. An attempt was made to illustrate the present state of affairs in terms of the go-to strategies (e.g., emulsification processes, nanoprecipitation, microfluidics, and other assembly approaches) for the generation of sphere-shaped particles of cellulose and derivatives thereof. A concise description of the application fields of these cellulose-based spherical micro and nanoparticles is also presented.
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Affiliation(s)
| | | | | | | | - Carla Vilela
- Department of Chemistry, CICECO—Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal; (J.P.F.C.); (A.C.Q.S.); (A.J.D.S.); (C.S.R.F.)
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18
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Yang SC, Liao Y, Karthikeyan KG, Pan XJ. Mesoporous cellulose-chitosan composite hydrogel fabricated via the co-dissolution-regeneration process as biosorbent of heavy metals. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 286:117324. [PMID: 33990049 DOI: 10.1016/j.envpol.2021.117324] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 04/18/2021] [Accepted: 05/04/2021] [Indexed: 06/12/2023]
Abstract
Developing low-cost and high-performance biosorbent for water purification continues drawing more and more attention. In this study, cellulose-chitosan composite hydrogels were fabricated via a co-dissolution and regeneration process using a molten salt hydrate (a 60 wt% aqueous solution of LiBr) as a solvent. The addition of chitosan not only introduced functionality for metal adsorption but also increased the specific surface area and improved the mechanical strength of the composite hydrogel, compared to pure cellulose hydrogel. Batch adsorption experiments indicated that the composite hydrogel with 37% cellulose and 63% chitosan exhibited an adsorption capacity of 94.3 mg/g (1.49 mmol/g) toward Cu2+ at 23 °C, pH 5, and initial metal concentration of 1500 mg/L, which was 10 times greater than the adsorption capacity of pure cellulose hydrogel. Competitive adsorption from a mixed metals solution revealed that the cellulose-chitosan composite hydrogel exhibited selective adsorption of the metals in the order of Cu2+ > Zn2+ > Co2+. This study successfully demonstrated an innovative method to fabricate biosorbents from abundant and renewable natural polymers (cellulose and chitosan) for removing metal ions from water.
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Affiliation(s)
- S-C Yang
- Department of Biological Systems Engineering, University of Wisconsin-Madison, 460 Henry Mall, Madison, WI, 53706, USA
| | - Y Liao
- Department of Biological Systems Engineering, University of Wisconsin-Madison, 460 Henry Mall, Madison, WI, 53706, USA
| | - K G Karthikeyan
- Department of Biological Systems Engineering, University of Wisconsin-Madison, 460 Henry Mall, Madison, WI, 53706, USA
| | - X J Pan
- Department of Biological Systems Engineering, University of Wisconsin-Madison, 460 Henry Mall, Madison, WI, 53706, USA.
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19
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Shi C, Li Y, Li X, Zhao X, Ma X, Zhou X, Cui Y, Ma S, Xu W, Ren C. Preparation of Macroporous High Adsorbent Resin and Its Application for Heavy Metal Ion Removal. ChemistrySelect 2021. [DOI: 10.1002/slct.202102610] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Changxin Shi
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Yuanze Li
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Xinyue Li
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Xiaohan Zhao
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Xintao Ma
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Xun Zhou
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Yuming Cui
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Songmei Ma
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Wenlong Xu
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Chunguang Ren
- Yantai Institute of Materia Medica Yantai 264000 China
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20
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Shaumbwa VR, Liu D, Archer B, Li J, Su F. Preparation and application of magnetic chitosan in environmental remediation and other fields: A review. J Appl Polym Sci 2021. [DOI: 10.1002/app.51241] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Veino Risto Shaumbwa
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, School of Environment Science & Engineering Nanjing University of Information Science & Technology Nanjing China
| | - Dagang Liu
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, School of Environment Science & Engineering Nanjing University of Information Science & Technology Nanjing China
| | - Bright Archer
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, School of Environment Science & Engineering Nanjing University of Information Science & Technology Nanjing China
| | - Jinlei Li
- Department of Chemical Engineering McMaster University Hamilton Ontario Canada
| | - Fan Su
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, School of Environment Science & Engineering Nanjing University of Information Science & Technology Nanjing China
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21
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Batool M, Nazar MF, Awan A, Tahir MB, Rahdar A, Shalan AE, Lanceros-Méndez S, Zafar MN. Bismuth-based heterojunction nanocomposites for photocatalysis and heavy metal detection applications. ACTA ACUST UNITED AC 2021. [DOI: 10.1016/j.nanoso.2021.100762] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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22
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Hwang JH, Fox D, Stanberry J, Anagnostopoulos V, Zhai L, Lee WH. Direct Mercury Detection in Landfill Leachate Using a Novel AuNP-Biopolymer Carbon Screen-Printed Electrode Sensor. MICROMACHINES 2021; 12:649. [PMID: 34205934 PMCID: PMC8229311 DOI: 10.3390/mi12060649] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 05/26/2021] [Accepted: 05/30/2021] [Indexed: 01/06/2023]
Abstract
A novel Au nanoparticle (AuNP)-biopolymer coated carbon screen-printed electrode (SPE) sensor was developed through the co-electrodeposition of Au and chitosan for mercury (Hg) ion detection. This new sensor showed successful Hg2+ detection in landfill leachate using square wave anodic stripping voltammetry (SWASV) with an optimized condition: a deposition potential of -0.6 V, deposition time of 200 s, amplitude of 25 mV, frequency of 60 Hz, and square wave step voltage of 4 mV. A noticeable peak was observed at +0.58 V associated with the stripping current of the Hg ion. The sensor exhibited a good sensitivity of ~0.09 μA/μg (~0.02 μA/nM) and a linear response over the concentration range of 10 to 100 ppb (50-500 nM). The limit of detection (LOD) was 1.69 ppb, which is significantly lower than the safety limit defined by the United States Environmental Protection Agency (USEPA). The sensor had an excellent selective response to Hg2+ in landfill leachate against other interfering cations (e.g., Zn2+, Pb2+, Cd2+, and Cu2+). Fifteen successive measurements with a stable peak current and a lower relative standard deviation (RSD = 5.1%) were recorded continuously using the AuNP-biopolymer-coated carbon SPE sensor, which showed excellent stability, sensitivity and reproducibility and consistent performance in detecting the Hg2+ ion. It also exhibited a good reliability and performance in measuring heavy metals in landfill leachate.
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Affiliation(s)
- Jae-Hoon Hwang
- Department of Civil, Environmental, and Construction Engineering, University of Central Florida, Orlando, FL 32816, USA
| | - David Fox
- NanoScience Technology Center and Department of Chemistry, University of Central Florida, Orlando, FL 32816, USA; (D.F.); (L.Z.)
| | - Jordan Stanberry
- Department of Chemistry, University of Central Florida, Orlando, FL 32816, USA; (J.S.); (V.A.)
| | | | - Lei Zhai
- NanoScience Technology Center and Department of Chemistry, University of Central Florida, Orlando, FL 32816, USA; (D.F.); (L.Z.)
| | - Woo Hyoung Lee
- Department of Civil, Environmental, and Construction Engineering, University of Central Florida, Orlando, FL 32816, USA
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23
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Najaflou S, Rad MF, Baghdadi M, Nabi Bidhendi GR. Removal of Pb(II) from contaminated waters using cellulose sulfate/chitosan aerogel: Equilibrium, kinetics, and thermodynamic studies. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 286:112167. [PMID: 33676135 DOI: 10.1016/j.jenvman.2021.112167] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 01/28/2021] [Accepted: 02/08/2021] [Indexed: 06/12/2023]
Abstract
In this study, the cellulose sulfate/chitosan aerogel (CCA) was prepared by chitosan and sulfonated cotton, and its efficiency was assessed for lead removal from contaminated waters. The adsorbent was determined by FESEM, EDS, FTIR, and BET analysis. The batch experiments were designed by Design-Expert software. At an initial lead concentration of 300 mg L-1, the contact time of 40 min, and the temperature of 26 °C, the maximum adsorption capacity and the removal efficiency were 137.8 mg g-1 and 91.9%, respectively. Also, the effect of ions including cations and anions at 100 mg L-1 was investigated, and it was found that the presence of anions does not have much effect on adsorption, but among cations, calcium and magnesium have the inhibitor effect on adsorption due to their double plosive. Adsorption isotherms were studied at different temperatures, and the kinetics of the reaction were investigated at different concentrations. Thermodynamic parameters indicated that the adsorption process was spontaneous, endothermic, and increasing irregularity at the adsorbent level. Adsorption recovery was performed five times adsorption and de-adsorption by hydrochloric acid 1 M washing and only 10% of adsorption capacity was decreased.
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Affiliation(s)
- Sajjad Najaflou
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
| | - Mahsa Forouzesh Rad
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
| | - Majid Baghdadi
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
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24
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Ding F, Ren P, Wang G, Wu S, Du Y, Zou X. Hollow cellulose-carbon nanotubes composite beads with aligned porous structure for fast methylene blue adsorption. Int J Biol Macromol 2021; 182:750-759. [PMID: 33836190 DOI: 10.1016/j.ijbiomac.2021.03.194] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 03/30/2021] [Accepted: 03/30/2021] [Indexed: 12/12/2022]
Abstract
Polysaccharide based beads with unique porous structure have gained considerable interests due to their specific adsorption behaviors and biodegradability. The purpose of this paper was to develop hollow cellulose/carbon nanotubes composite beads with aligned porous structure which have potential applications in fast adsorption field. The composite beads were fabricated by ice template and freeze-drying technology. Different characterizations have proved that the carbon nanotubes and magnetic nanoparticles have been incorporated into the cellulose beads. Higher concentration of carbon nanotubes and cellulose would result in a larger diameter of the composite beads. The composite beads can effectively adsorb the methylene blue (MB). The pseudo-second-order model and Langmuir isotherm were best fitted to the adsorption. The composite beads showed a fast adsorption behavior towards MB with a t1/2 of 1.07 min obtained from pseudo-second-order model. The maximum adsorption capacity was 285.71 mg g-1 at pH 7.0. The composite beads also showed good reusability and biodegradability. We anticipate that different polysaccharides based composite beads with aligned porous structure can be obtained through the similar methods and applied in adsorption fields.
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Affiliation(s)
- Fuyuan Ding
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Ping Ren
- School of Printing and Packaging, Wuhan University, Wuhan 430079, China
| | - Guannan Wang
- School of Printing and Packaging, Wuhan University, Wuhan 430079, China
| | - Shuping Wu
- Research School of Polymeric Materials, School of Materials Science & Engineering, Jiangsu University, Zhenjiang, Jiangsu Province, 212013, China
| | - Yumin Du
- School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Xiaobo Zou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
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25
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Xiao Y, Ma C, Jin Z, Wang C, Wang J, Wang H, Mu X, Song L, Hu Y. Functional covalent organic framework illuminate rapid and efficient capture of Cu (II) and reutilization to reduce fire hazards of epoxy resin. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.118119] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Turning waste into treasure: Reuse of contaminant-laden adsorbents (Cr(vi)-Fe 3O 4/C) as anodes with high potassium-storage capacity. J Colloid Interface Sci 2021; 582:1107-1115. [PMID: 32942066 DOI: 10.1016/j.jcis.2020.08.110] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 08/25/2020] [Accepted: 08/28/2020] [Indexed: 11/23/2022]
Abstract
In this study, we try to find possible solutions to synchronously solving energy and environmental problems. In our design, orange peel is used as a carbon source to synthesize low-cost Fe3O4/C composites, which are employed as adsorbents to purify Cr(vi)-contaminated water. After that, these Cr(vi)-laden Fe3O4/C composites are used and tested as anodes in potassium-ion batteries. It is found that their K-storage capacity is more than 300 mAh g-1 at a current density of 0.1 A g-1, depending on the mass content of Fe3O4. The more Fe3O4 component in composite, the more adsorbed Cr(vi) species through chemisorption, and the larger K-storage capacity. The good electrical conductivity of cabon-based anodes endows them with superior rate performance. At current densities of 0.1, 0.5, 1 and 2 A g-1, K-storage capacity amounts to 357.8, 316.3, 276.3 and 236.8 mAh g-1, respectively. The reuse of contaminant-laden adsorbents as anodes will shed new light on the disposal of exhausted adsorbents after water treatment and development of anode materials for secondary batteries.
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28
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Jiang R, Zhu HY, Fu YQ, Zong EM, Jiang ST, Li JB, Zhu JQ, Zhu YY. Magnetic NiFe2O4/MWCNTs functionalized cellulose bioadsorbent with enhanced adsorption property and rapid separation. Carbohydr Polym 2021; 252:117158. [DOI: 10.1016/j.carbpol.2020.117158] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/15/2020] [Accepted: 09/26/2020] [Indexed: 12/28/2022]
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29
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Eftekhari M, Akrami M, Gheibi M, Azizi-Toupkanloo H, Fathollahi-Fard AM, Tian G. Cadmium and copper heavy metal treatment from water resources by high-performance folic acid-graphene oxide nanocomposite adsorbent and evaluation of adsorptive mechanism using computational intelligence, isotherm, kinetic, and thermodynamic analyses. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:43999-44021. [PMID: 32748352 DOI: 10.1007/s11356-020-10175-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 07/16/2020] [Indexed: 06/11/2023]
Abstract
In this paper, folic acid-coated graphene oxide nanocomposite (FA-GO) is used as an adsorbent for the treatment of heavy metals including cadmium (Cd2+) and copper (Cu2+) ions. As such, graphene oxide (GO) is modified by folic acid (FA) to synthesize FA-GO nanocomposite and characterized by the atomic force microscopy (AFM), Fourier transform-infrared (FT-IR) spectrophotometry, scanning electron microscopy (SEM), and C/H/N elemental analyses. Also, computational intelligence tests are used to study the mechanism of the interaction of FA molecules with GO. Based on the results, FA molecules formed a strong π-π stacking, chemical, and hydrogen bond interactions with functional groups of GO. Main parameters including pH of the sample solution, amounts of adsorbent, and contact time are studied and optimized by the Response Surface Methodology Based on Central Composite Design (RSM-CCD). In this study, the equilibrium of adsorption is appraised by two (Langmuir and Freundlich and Temkin and D-R models) and three parameter (Sips, Toth, and Khan models) isotherms. Based on the two parameter evaluations, Langmuir and Freundlich models have high accuracy according to the R2 coefficient (more than 0.9) in experimental curve fittings of each pollutant adsorption. But, multilayer adsorption of each contaminant onto the FA-GO adsorbent (Freundlich equation) is demonstrated by three parameter isotherm analysis. Also, isotherm calculations express maximum computational adsorption capacities of 103.1 and 116.3 mg g-1 for Cd2+ and Cu2+ ions, correspondingly. Kinetic models are scrutinized and the outcomes depict the adsorption of both Cd2+ and Cu2+ followed by the pseudo-second-order equation. Meanwhile, the results of the geometric model illustrate that the variation of adsorption and desorption rates do not have any interfering during the adsorption process. Finally, thermodynamic studies show that the adsorption of Cu2+ and Cd2+ onto the FA-GO nanocomposite is an endothermic and spontaneous process.
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Affiliation(s)
- Mohammad Eftekhari
- Department of Chemistry, Faculty of Sciences, University of Neyshabur, Neyshabur, Iran.
| | - Mehran Akrami
- Department of Civil Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Mohammad Gheibi
- Department of Civil Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
- School of Mechanical Engineering, Shandong University, Jinan, 250061, China
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education), Shandong University, Jinan, 250061, China
- National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan, 250061, China
| | | | | | - Guangdong Tian
- School of Mechanical Engineering, Shandong University, Jinan, 250061, China
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education), Shandong University, Jinan, 250061, China
- National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan, 250061, China
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Hosseinkhani A, Forouzesh Rad B, Baghdadi M. Efficient removal of hexavalent chromium from electroplating wastewater using polypyrrole coated on cellulose sulfate fibers. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 274:111153. [PMID: 32784081 DOI: 10.1016/j.jenvman.2020.111153] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 07/09/2020] [Accepted: 07/29/2020] [Indexed: 06/11/2023]
Abstract
In this study, cellulose sulfate was synthesized through sulfonation of cotton, and polypyrrole was coated on the surface of fibers. Then, the optimum ratio of pyrrole to cellulose sulfate was evaluated, and the physical, chemical, and morphological properties of the composite were assessed by using FESEM, EDS, FTIR, BET, and TGA analysis. Furthermore, adsorption of hexavalent chromium using the composite adsorbent was studied by the results of designed experiments with the Box-Behnken technique to assess the effect of pH, contact time, adsorbent dose and the initial concentration of hexavalent chromium and optimize the adsorption process. The removal percentage was 99.9% under the optimum conditions (adsorbent dose, 4 g L-1; initial concentration of Cr(VI), 200 mg L-1; pH value, 2; contact time, 200 min). The results of adsorption isotherms illustrated that the adsorption process followed Redlich-Peterson, Freundlich, Radke-Prausnitz, and UT models, and the calculated maximum adsorption capacity by the Langmuir model was 198 mg g-1. Based on the kinetic and thermodynamic studies, the adsorption process followed the intraparticle diffusion model and showed the endothermic and spontaneous adsorption with an increase in entropy on the adsorbent surface. The presence of copper, nickel and zinc cations had no adverse effect on the removal percentage of hexavalent chromium significantly. The adsorbent was reused successfully in four sequential treatments. Consequently, the synthesized adsorbent is efficient due to the high efficiency of hexavalent chromium removal percentage from electroplating effluent (99.87%).
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Affiliation(s)
- Alireza Hosseinkhani
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
| | - Bahar Forouzesh Rad
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
| | - Majid Baghdadi
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
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Cui J, Li F, Wang Y, Zhang Q, Ma W, Huang C. Electrospun nanofiber membranes for wastewater treatment applications. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117116] [Citation(s) in RCA: 170] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Jiang W, Zhou X. Enzymatic preparation of oxidized viscose fibers-based biosorbent modified with ε-polylysine for dyes removal and microbial inactivation. Int J Biol Macromol 2020; 166:509-520. [PMID: 33129901 DOI: 10.1016/j.ijbiomac.2020.10.208] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 10/22/2020] [Accepted: 10/26/2020] [Indexed: 12/24/2022]
Abstract
A novel fiber-based biosorbent for dyes removal and microbial inactivation was prepared by enzymatic oxidization of viscose fibers and further modification with ε-polylysine. Glucose oxidase (GOx) was first employed as the enzyme for oxidation of viscose fibers. The consequences illustrated that the hydroxyl group on C1 position of viscose fibers was successfully oxidized with oxidation ratio of 2.43 ± 0.31%. Subsequently, ε-polylysine with average molecular weight of 4.44 ± 1.13 KDa and antimicrobial activity to E. coli of 90.48 ± 1.64 was modified with oxidized viscose fibers by lipase. Experimental results showed that oxidized viscose fibers were successfully modified with ε-polylysine with optimum degree of modification (DM) of 13.56 ± 1.05%. This oxidized viscose fiber modified with ε-polylysine (OVF-PL) displayed good dyes adsorption (or dyes removal) capacity for both anionic and cationic dyes, especially for anion dyes. Furthermore, OVF-PL showed excellent antimicrobial activity against E. coli and B. subtilis, particularly for E. coli, with GIB of 92.65%. Such fiber-based may offer a new pathway for preparing economical and efficient biosorbent for environmental remedy purpose.
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Affiliation(s)
- Wen Jiang
- School of Chemistry and Chemical Engineering, Chongqing University of Science and Technology, Chongqing 401331, PR China.
| | - Xiaohua Zhou
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, PR China
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Nguyen Van H, Chu Van H, Luu Hoang T, Vo Nguyen DK, Ha Thuc CN. The starch modified montmorillonite for the removal of Pb(II), Cd(II) and Ni(II) ions from aqueous solutions. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.08.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
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Surgutskaia NS, Martino AD, Zednik J, Ozaltin K, Lovecká L, Bergerová ED, Kimmer D, Svoboda J, Sedlarik V. Efficient Cu2+, Pb2+ and Ni2+ ion removal from wastewater using electrospun DTPA-modified chitosan/polyethylene oxide nanofibers. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116914] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Camargo LTFDM, Signini R, Rodrigues ACC, Lopes YF, Camargo AJ. Ab Initio Molecular Dynamics Simulations of Aqueous Glucosamine Solutions: Solvation Structure and Mechanism of Proton Transfer from Water to Amino Group. J Phys Chem B 2020; 124:6986-6997. [DOI: 10.1021/acs.jpcb.0c03821] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Lilian T. F. de M. Camargo
- Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, Anápolis 75132-903, GO, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia de Goiás, Anápolis 75131-457, GO, Brazil
| | - Roberta Signini
- Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, Anápolis 75132-903, GO, Brazil
| | - Allane C. C. Rodrigues
- Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, Anápolis 75132-903, GO, Brazil
| | - Yago Francisco Lopes
- Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, Anápolis 75132-903, GO, Brazil
| | - Ademir J. Camargo
- Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, Anápolis 75132-903, GO, Brazil
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Liu F, Wang S, Chen S. Adsorption behavior of Au(III) and Pd(II) on persimmon tannin functionalized viscose fiber and the mechanism. Int J Biol Macromol 2020; 152:1242-1251. [DOI: 10.1016/j.ijbiomac.2019.10.221] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 09/25/2019] [Accepted: 10/24/2019] [Indexed: 10/25/2022]
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Cellulose/chitosan porous spheres prepared from 1-butyl-3-methylimidazolium acetate/dimethylformamide solutions for Cu2+ adsorption. Carbohydr Polym 2020; 237:116135. [DOI: 10.1016/j.carbpol.2020.116135] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 03/05/2020] [Accepted: 03/06/2020] [Indexed: 01/31/2023]
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Song L, Feng Y, Zhu C, Liu F, Li A. Enhanced synergistic removal of Cr(VI) and Cd(II) with bi-functional biomass-based composites. JOURNAL OF HAZARDOUS MATERIALS 2020; 388:121776. [PMID: 31813688 DOI: 10.1016/j.jhazmat.2019.121776] [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: 09/12/2019] [Revised: 11/05/2019] [Accepted: 11/27/2019] [Indexed: 06/10/2023]
Abstract
Cr(VI) and Cd(II) are typical heavy metal ions and their co-removal is significant. Nitrogen-doped, bi-functional, and biomass-based composites (CP-BA) were successfully applied for efficient and synergistic removal of Cr(VI) and Cd(II). The mutual promotion ratios of adsorption capacity by Cr(VI) and Cd(II) were 161.32 % and 14.13 %, respectively. In addition, all coexisting inorganic anions could extremely promote the removal of Cd(II) with the best promotion ratio upon phosphate ions as high as 80.00 %. The following co-removal mechanisms were deeply revealed: (1) Cr(VI) combined with protonated imine groups could weaken the electrostatic repulsion between CP-BA and Cd(II) by electrostatic shielding, and further promoted the coordination of Cd(II) with hydroxyl, carboxyl and neutral imine groups. (2) Cd(II) which were coordinated to neutral imine groups could form cation bridges, and thus promoted the interaction with Cr(VI) because of the electrostatic attraction. Moreover, the removal capacity for Cr(VI) and Cd(II) did not display obvious reduction even after four cycles. Therefore, CP-BA showed a great potential in the co-removal of inorganic anion-cation complexes from wastewater.
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Affiliation(s)
- Li Song
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, PR China
| | - Yuefeng Feng
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, PR China
| | - Changqing Zhu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, PR China
| | - Fuqiang Liu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, PR China; Nanjing Innovation Center for Environmental Protection Industry, State Environmental Protection Engineering Center for Organic Chemical Industrial Waste Water Disposal Resource Reuse, Nanjing 211106, PR China.
| | - Aimin Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, PR China; Nanjing Innovation Center for Environmental Protection Industry, State Environmental Protection Engineering Center for Organic Chemical Industrial Waste Water Disposal Resource Reuse, Nanjing 211106, PR China
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Geng Y, Jing Y, Wang S, Qian H. Synthesis of chitosan composite microspheres and their application for the removal of stickies in the recycled paper. JOURNAL OF POLYMER RESEARCH 2020. [DOI: 10.1007/s10965-020-02064-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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40
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Yang C, Wang L, Yu Y, Wu P, Wang F, Liu S, Luo X. Highly efficient removal of amoxicillin from water by Mg-Al layered double hydroxide/cellulose nanocomposite beads synthesized through in-situ coprecipitation method. Int J Biol Macromol 2020; 149:93-100. [DOI: 10.1016/j.ijbiomac.2020.01.096] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 12/27/2019] [Accepted: 01/09/2020] [Indexed: 01/26/2023]
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41
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Wang L, Shi C, Wang L, Pan L, Zhang X, Zou JJ. Rational design, synthesis, adsorption principles and applications of metal oxide adsorbents: a review. NANOSCALE 2020; 12:4790-4815. [PMID: 32073021 DOI: 10.1039/c9nr09274a] [Citation(s) in RCA: 114] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The shortage of water resources and increasingly serious water pollution have driven the development of high-efficiency water treatment technology. Among a variety of technologies, adsorption is widely used in environmental remediation. As a class of typical adsorbents, metal oxides have been developed for a long time and continued to attract widespread attention, since they have unique physicochemical properties, including abundant surface active sites, high chemical stability, and adjustable shape and size. In this review, the basic principles of the adsorption process will be first elucidated, including affecting factors, evaluation index, adsorption mechanisms, and common kinetic and isotherm models. Then, the adsorption properties of several typical metal oxides, and key parameters affecting the adsorption performance such as particle/pore size, morphology, functionalization and modification, supports and calcination temperature will be discussed, as well as their application in the removal of various inorganic and organic contaminants. In addition, desorption and recycling of the spent adsorbent are summarized. Finally, the future development of metal oxide based adsorbents is also discussed.
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Affiliation(s)
- Li Wang
- Key Laboratory for Green Chemical Technology of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Chengxiang Shi
- Key Laboratory for Green Chemical Technology of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Li Wang
- Key Laboratory for Green Chemical Technology of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovative Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Lun Pan
- Key Laboratory for Green Chemical Technology of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovative Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Xiangwen Zhang
- Key Laboratory for Green Chemical Technology of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovative Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Ji-Jun Zou
- Key Laboratory for Green Chemical Technology of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. and Collaborative Innovative Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
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Xiong C, Wang S, Hu P, Huang L, Xue C, Yang Z, Zhou X, Wang Y, Ji H. Efficient Selective Removal of Pb(II) by Using 6-Aminothiouracil-Modified Zr-Based Organic Frameworks: From Experiments to Mechanisms. ACS APPLIED MATERIALS & INTERFACES 2020; 12:7162-7178. [PMID: 31942788 DOI: 10.1021/acsami.9b19516] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
We report an efficient, reusable, and selective 6-aminothiouracil (ATA)-modified Zr(IV)-based adsorbent (defined as UiO-66-ATA(Zr)) for lead ion removal in water. The adsorption equilibrium time and the maximum sorption capacity of UiO-66-ATA(Zr) for Pb(II) are, respectively, 120 min and 386.98 mg/g at pH 4 and 298 K. The Pb(II) removal rate reaches 96% at 60 min and exceeds 99% at the equilibrium state in the pH range of 2.0-5.8. Hill and pseudo-second-order models can well describe the sorption process. Pb(II) adsorbing onto UiO-66-ATA(Zr) is an irreversible, favorable chemisorption process with multimolecule participation and film diffusion control. The calculations of density functional theory, the experimental results, and the characterization analyses suggest that the binding mechanisms are the chelation and ion-exchange/electrostatic interactions between hydroxyl/amino/sulfhydryl groups of UiO-66-ATA(Zr) and Pb(II). Besides, UiO-66-ATA(Zr) has a better affinity to Pb(II) than the coexisting ions in water and an excellent repeatability at eight cycles of adsorption. Moreover, the thermodynamic study shows that UiO-66-ATA(Zr) adsorbing Pb(II) is an endothermic reaction. Thus, UiO-66-ATA(Zr) is a prospective sorbent for Pb(II) removal under the initiative of environmental protection and water purification, and this work may also provide an idea for industrial catalysis.
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Affiliation(s)
- Chao Xiong
- Fine Chemical Industry Research Institute, School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , P. R. China
| | - Shixing Wang
- State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Faculty of Metallurgical and Energy Engineering , Kunming University of Science and Technology , Kunming , Yunnan 650093 , P. R. China
| | - Peng Hu
- Fine Chemical Industry Research Institute, School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , P. R. China
| | - Liyun Huang
- Fine Chemical Industry Research Institute, School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , P. R. China
| | - Can Xue
- School of Chemical Engineering and Technology , Sun Yat-Sen University , Zhuhai 519082 , P. R. China
| | - Zujin Yang
- School of Chemical Engineering and Technology , Sun Yat-Sen University , Zhuhai 519082 , P. R. China
| | - Xiantai Zhou
- School of Chemical Engineering and Technology , Sun Yat-Sen University , Zhuhai 519082 , P. R. China
| | - Yongqing Wang
- Fine Chemical Industry Research Institute, School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , P. R. China
| | - Hongbing Ji
- Fine Chemical Industry Research Institute, School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , P. R. China
- School of Chemical Engineering and Technology , Sun Yat-Sen University , Zhuhai 519082 , P. R. China
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Li M, Liu H, Chen T, Chen D, Wang C, Wei L, Wang L. Efficient U(VI) adsorption on iron/carbon composites derived from the coupling of cellulose with iron oxides: Performance and mechanism. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 703:135604. [PMID: 31771849 DOI: 10.1016/j.scitotenv.2019.135604] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/11/2019] [Accepted: 11/16/2019] [Indexed: 06/10/2023]
Abstract
Novel iron/carbon composites were successfully prepared via coupling of cellulose with iron oxides (e.g. α-FeOOH, Fe2O3 and Fe(NO3)3·9H2O) at different temperatures under nitrogen atmosphere. Characterization by various techniques implied that chemical interaction between cellulose and Fe3O4/Fe0 existed in the as-prepared iron/carbon composites. The site of interaction between cellulose and iron precursors was illustrated (mainly combined with COO-). The self-reduction of Fe3+ to Fe2+ or even Fe0 and the interaction between carbon and Fe3O4/Fe0 in the calcination process realized the strong magnetism of the composites. Batch experiments and spectroscopic techniques indicated that the maximum adsorption capacity of MHC-7 for U(VI) (105.3 mg/g) was significantly higher than that of MGC-7 (86.0 mg/g) and MFC-7 (79.0 mg/g), indicating that Fe2O3 can be regarded as the remarkable iron resource for the iron/carbon composites. XPS results revealed that the oxygen-containing groups were responsible for the adsorption process of U(VI) on iron/carbon composites, and the adsorption of carbon and reduction of Fe0/Fe3O4 toward U(VI) were synergistic during the reaction process. In addition, the iron/carbon composites exhibited a good recyclability, recoverability and stability for U(VI) adsorption in the regeneration experiments. These findings demonstrated that the iron/carbon composites can be considered as valuable adsorbents in environmental cleanup and the Fe2O3 was a promising iron resource for the preparation of iron/carbon composites.
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Affiliation(s)
- Mengxue Li
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei 230009, China; Institute of Environmental Mineral and Material, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China
| | - Haibo Liu
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei 230009, China; Institute of Environmental Mineral and Material, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China.
| | - Tianhu Chen
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei 230009, China; Institute of Environmental Mineral and Material, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China
| | - Dong Chen
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei 230009, China; Institute of Environmental Mineral and Material, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China
| | - Can Wang
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei 230009, China; Institute of Environmental Mineral and Material, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China
| | - Lin Wei
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei 230009, China; Institute of Environmental Mineral and Material, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China
| | - Lingkai Wang
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei 230009, China; Institute of Environmental Mineral and Material, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China
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Kusrini E, Alhamid MI, Widiantoro AB, Daud NZA, Usman A. Simultaneous Adsorption of Multi-lanthanides from Aqueous Silica Sand Solution Using Pectin–Activated Carbon Composite. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2020. [DOI: 10.1007/s13369-020-04386-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Chen Y, Li Q, Li Y, Zhang Q, Huang J, Wu Q, Wang S. Fabrication of Cellulose Nanocrystal-g-Poly(Acrylic Acid-Co-Acrylamide) Aerogels for Efficient Pb(II) Removal. Polymers (Basel) 2020; 12:polym12020333. [PMID: 32033311 PMCID: PMC7077484 DOI: 10.3390/polym12020333] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/07/2020] [Accepted: 01/20/2020] [Indexed: 02/07/2023] Open
Abstract
In this work, cellulose nanocrystals (CNCs) obtained by the acid hydrolysis of waste bamboo powder were used to synthesize cellulose nanocrystal-g-poly(acrylic acid-co-acrylamide) (CNC-g-P(AA/AM)) aerogels via graft copolymerization followed by freeze-drying. The structure and morphology of the resulting aerogels were characterized by Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM), and the CNC-g-P(AA/AM) aerogels exhibited excellent absorbent properties and adsorption capacities. Subsequent Pb(II) adsorption studies showed that the kinetic data followed the pseudo-second-order equation, while the adsorption isotherms were best described using the Langmuir model. The maximum Pb(II) adsorption capacity calculated by the Langmuir model reached up to 366.3 mg/g, which is a capacity that outperformed that of the pure CNC aerogel. The CNC-g-P (AA/AM) aerogels become structurally stable through chemical cross-linking, which enabled them to be easily regenerated in HCl solution and retain the adsorption capacity after repeated use. The aerogels were found to maintain 81.3% removal efficiency after five consecutive adsorption-desorption cycles. Therefore, this study demonstrated an effective method for the fabrication of an aerogel adsorbent with an excellent reusability in the effective removal of Pb(II) from aqueous solutions.
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Affiliation(s)
- Yifan Chen
- School of Engineering, Zhejiang A & F University, Hangzhou 311300, China; (Y.C.); (Q.L.); (Y.L.); (J.H.)
- Center for Renewable Carbon, University of Tennessee, Knoxville, TN 37996, USA;
| | - Qian Li
- School of Engineering, Zhejiang A & F University, Hangzhou 311300, China; (Y.C.); (Q.L.); (Y.L.); (J.H.)
| | - Yujie Li
- School of Engineering, Zhejiang A & F University, Hangzhou 311300, China; (Y.C.); (Q.L.); (Y.L.); (J.H.)
| | - Qijun Zhang
- Center for Renewable Carbon, University of Tennessee, Knoxville, TN 37996, USA;
| | - Jingda Huang
- School of Engineering, Zhejiang A & F University, Hangzhou 311300, China; (Y.C.); (Q.L.); (Y.L.); (J.H.)
| | - Qiang Wu
- School of Engineering, Zhejiang A & F University, Hangzhou 311300, China; (Y.C.); (Q.L.); (Y.L.); (J.H.)
- Center for Renewable Carbon, University of Tennessee, Knoxville, TN 37996, USA;
- Zhejiang Provincial Collaborative Innovation Center for Bamboo Resources and High-Efficiency Utilization, Hangzhou 311300, China
- Correspondence: (Q.W.); (S.W.)
| | - Siqun Wang
- School of Engineering, Zhejiang A & F University, Hangzhou 311300, China; (Y.C.); (Q.L.); (Y.L.); (J.H.)
- Center for Renewable Carbon, University of Tennessee, Knoxville, TN 37996, USA;
- Correspondence: (Q.W.); (S.W.)
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Zhang C, Chen Z, Tao Y, Ke T, Li S, Wang P, Chen L. Enhanced removal of trichlorfon and Cd(II) from aqueous solution by magnetically separable chitosan beads immobilized Aspergillus sydowii. Int J Biol Macromol 2020; 148:457-465. [PMID: 31972191 DOI: 10.1016/j.ijbiomac.2020.01.176] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 01/09/2020] [Accepted: 01/18/2020] [Indexed: 02/03/2023]
Abstract
Simultaneous removal of heavy metals and organics from wastewater has always been an environmental problem with great concern. In this study, a novel ecofriendly bioborbent, magnetic chitosan beads immobilized Aspergillus sydowii (MCBAs) were synthesized and used to simultaneously remove trichlorfon (TCF) and Cd(II) from aqueous solution. MCBAs showed an increased special surface area (55.38 m2·g-1) through immobilizing A. sydowii and its saturation magnetization reached 14.62 emu·g-1. The equilibrium removal capacities of TCF and Cd(II) were 135.43 mg·g-1 and 56.40 mg·g-1 in the co-system with 200 mg·L-1 TCF and 50 mg·L-1 Cd(II), respectively. The removal capacities of TCF and Cd(II) were strongly depended on the immobilized A. sydowii spore concentration, initial concentrations of TCF and Cd(II), and MCBAs dose. TCF biodegradation intermediates were identified by gas chromatography-mass spectrometry system. Fourier transform infrared spectra displayed that -OH and -NH groups on MCBAs mainly participated in the Cd(II) sequestration and the CO stretching vibration was possibly related to the degradation intermediates of TCF. MCBAs exhibited excellent recyclability upto four cycles. Therefore, MCBAs are suitable and effective for the simultaneous removal of TCF and Cd(II) from wastewater.
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Affiliation(s)
- Chao Zhang
- College of Resource & Environmental Sciences, Hubei Key Laboratory of Biomass-Resources Chemistry and Environmental Biotechnology, Hubei Research Center of Environment Remediation Technology, Wuhan University, Wuhan 430079, China
| | - Zixu Chen
- College of Chemistry & Environment Engineering, Yangtze University, Jingzhou 434023, China
| | - Yue Tao
- College of Resource & Environmental Sciences, Hubei Key Laboratory of Biomass-Resources Chemistry and Environmental Biotechnology, Hubei Research Center of Environment Remediation Technology, Wuhan University, Wuhan 430079, China
| | - Tan Ke
- College of Resource & Environmental Sciences, Hubei Key Laboratory of Biomass-Resources Chemistry and Environmental Biotechnology, Hubei Research Center of Environment Remediation Technology, Wuhan University, Wuhan 430079, China
| | - Shuangxi Li
- College of Resource & Environmental Sciences, Hubei Key Laboratory of Biomass-Resources Chemistry and Environmental Biotechnology, Hubei Research Center of Environment Remediation Technology, Wuhan University, Wuhan 430079, China
| | - Panpan Wang
- College of Resource & Environmental Sciences, Hubei Key Laboratory of Biomass-Resources Chemistry and Environmental Biotechnology, Hubei Research Center of Environment Remediation Technology, Wuhan University, Wuhan 430079, China
| | - Lanzhou Chen
- College of Resource & Environmental Sciences, Hubei Key Laboratory of Biomass-Resources Chemistry and Environmental Biotechnology, Hubei Research Center of Environment Remediation Technology, Wuhan University, Wuhan 430079, China.
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Mu C, Zhang L, Zhang X, Zhong L, Li Y. Selective adsorption of Ag (Ⅰ) from aqueous solutions using Chitosan/polydopamine@C@magnetic fly ash adsorbent beads. JOURNAL OF HAZARDOUS MATERIALS 2020; 381:120943. [PMID: 31400716 DOI: 10.1016/j.jhazmat.2019.120943] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 07/09/2019] [Accepted: 07/26/2019] [Indexed: 05/21/2023]
Abstract
A Chitosan/polydopamine@C@magnetic fly ash (CPCMFA) adsorbent bead was prepared for adsorption of Ag (Ⅰ) in aqueous solutions and exhibited good selectivity for Ag (Ⅰ) ion. To investigate its adsorption behaviors, equilibrium, kinetic and selective studies were conducted through batch experiments. Additionally, the influence of the pH value was also evaluated. In addition, the nature, composition, morphology, and magnetic property of the prepared adsorbent beads were characterized by Fourier transform-infrared (FT-IR) spectroscopy, X-ray diffraction (XRD) analysis, thermogravimetric-differential scanning calorimetry (TG-DSC) analysis, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and vibrating-sample magnetometry (VSM). The freeze-dry form of CPCMFA also exhibited high adsorption capacity and selectivity for Ag (Ⅰ), with a maximum adsorption capacity of 57.02 mg/g at pH 4 and 30 °C. The experimental data were well described by the Langmuir isotherm and elovich kinetic models. The thermodynamics parameters, ΔH = 10.653 kJ/mol, ΔS = 96.63 J/mol K and ΔG < 0, demonstrate that the adsorption of Ag (Ⅰ) on the freeze-dry form adsorbent is spontaneous and endothermic. Moreover, regeneration studies showed the high recyclability of the adsorbent, which after five cycles of use it was still able to adsorb 95.7% of the amount adsorbed by the fresh adsorbent.
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Affiliation(s)
- Chaoqun Mu
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China
| | - Liang Zhang
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China.
| | - Xiaomin Zhang
- College of Materials and Mineral Resources, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China.
| | - Lvling Zhong
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China
| | - Yue Li
- College of Materials and Mineral Resources, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China
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48
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Coagulation mechanism of cellulose/metal nanohybrids through a simple one-step process and their interaction with Cr (VI). Int J Biol Macromol 2020; 142:404-411. [DOI: 10.1016/j.ijbiomac.2019.09.112] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 08/27/2019] [Accepted: 09/15/2019] [Indexed: 11/18/2022]
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Zheng C, Zheng H, Hu C, Wang Y, Wang Y, Zhao C, Ding W, Sun Q. Structural design of magnetic biosorbents for the removal of ciprofloxacin from water. BIORESOURCE TECHNOLOGY 2020; 296:122288. [PMID: 31678706 DOI: 10.1016/j.biortech.2019.122288] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 10/15/2019] [Accepted: 10/16/2019] [Indexed: 06/10/2023]
Abstract
Magnetic biosorbents with specific morphological and molecular structure (PMCCs) were designed for the removal of ciprofloxacin (CIP) from water. Radical polymerization method was applied to immobilize the designed polymer brushes onto core-shell shaped magnetic microspheres to fabricate PMCCs. PMCCs exhibited a maximum adsorption capacity of 527.93 mg·g-1, which is much higher than reported adsorbents, owing to the complete stretch of polymer brushes and increased active sites as well as enhanced interaction. The investigation on the adsorption behavior of PMCCs for CIP manifested that CIP adsorption well fitted the Langmuir isotherm model and pseudo-second-order kinetic model. The calculated thermodynamic parameters suggested that CIP adsorption onto PMCCs was spontaneous and exothermic. Further recycling experiments showed a loss of less than 20% in the CIP adsorption capacity after five times, demonstrating the reusability of the as-designed biosorbents.
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Affiliation(s)
- Chaofan Zheng
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
| | - Huaili Zheng
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China.
| | - Chao Hu
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
| | - Yili Wang
- College of Environmental Science and Engineering, Research Center for Water Pollution Source Control and Eco-remediation, Beijing Forestry University, Beijing 100083, China
| | - Yongjuan Wang
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
| | - Chun Zhao
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
| | - Wei Ding
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
| | - Qiang Sun
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
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50
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Lessa EF, Medina AL, Ribeiro AS, Fajardo AR. Removal of multi-metals from water using reusable pectin/cellulose microfibers composite beads. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2017.07.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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