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Yang T, Liu Y, Chen J, Liu J, Jiang S, Zhang X, Ji C. Synthesis of ultrathin hybrid membranes via the co-polymerization of acrylic acid, styrene and molybdenum disulfide and their high adsorption selectivity for lead(II) in the mixture of metal ions. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 350:124019. [PMID: 38663506 DOI: 10.1016/j.envpol.2024.124019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/15/2024] [Accepted: 04/19/2024] [Indexed: 04/29/2024]
Abstract
Lead(II) is a potential carcinogen of heavy-metal ions (HIs). With the wide application of Pb-bearing products including lead alloy products, and new-energy lead-ion batteries, lead pollution has become a tricky problem. To solve such a difficulty, novel ultrathin MoS2-vinyl hybrid membranes (MVHMs) with a "spring" effect were synthesized via co-polymerization of acrylic acid, styrene and molybdenum disulfide (MoS2) and their adsorptions for HIs were explored. The "spring" effect derived from the interaction between the tendency of the short polyacrylic acid (PAA) chain connected with MoS2 to spread outward and the coulomb force between layers from MoS2 (s-MoS2), which enlarge the spacing of MoS2 layers without changing the number of layers after membrane formation, which changes the swelling membrane to a dense membrane and reduces the original thickness from 0.5 cm to 0.011 mm in the thickness direction. The adsorption experiment revealed that these MVHMs had super adsorption performance and high selectivity for Pb2+ by comparison with other five metal ions: Cu2+, Cd2+, Ni2+, Cr3+ and Zn2+. Especially, the adsorption quantity of MVHMs for Pb2+ could approach 2468 mg/g and the maximum adsorption ratio of qe[Pb2+]/qe[Cu2+] can reach 10.909. These values were much larger than the data obtained with the adsorbents reported in the last decade. A variety of models are applied to evaluate the effect of ionic groups. It was confirmed that -COOH plays a key role in adsorption of HIs and s-MoS2 also has a certain contribution. Conversely, ion exchange plays only a minor role during the period of adsorption process. Effective diffusion coefficient (Deff) of Pb(II) had the largest values among these metal ions. Hence, these hybrid membranes are promising adsorbents for the removal of Pb2+ from water containing various ions.
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Affiliation(s)
- Tianrui Yang
- School of Energy, Materials and Chemical Engineering, Hefei University, 99 Jinxiu Road, Hefei, 230601, China
| | - Yu Liu
- School of Energy, Materials and Chemical Engineering, Hefei University, 99 Jinxiu Road, Hefei, 230601, China
| | - Jingyi Chen
- School of Energy, Materials and Chemical Engineering, Hefei University, 99 Jinxiu Road, Hefei, 230601, China
| | - Junsheng Liu
- School of Energy, Materials and Chemical Engineering, Hefei University, 99 Jinxiu Road, Hefei, 230601, China.
| | - Shan Jiang
- School of Energy, Materials and Chemical Engineering, Hefei University, 99 Jinxiu Road, Hefei, 230601, China
| | - Xiaoxue Zhang
- School of Energy, Materials and Chemical Engineering, Hefei University, 99 Jinxiu Road, Hefei, 230601, China
| | - Chunyu Ji
- School of Energy, Materials and Chemical Engineering, Hefei University, 99 Jinxiu Road, Hefei, 230601, China
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2
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Ratnawati D, Kartini I, Pranowo HD, Kurniawan YS, Wahyuningsih TD. Novel benzothiazole-pyrazoline-styrene hybrid for ultrasensitive detection of Hg(II) ions: Synthesis and chemosensor evaluation. LUMINESCENCE 2024; 39:e4811. [PMID: 38924260 DOI: 10.1002/bio.4811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 05/16/2024] [Accepted: 06/10/2024] [Indexed: 06/28/2024]
Abstract
Water pollution has become a serious issue, and mercury(II) ion (Hg(II)) is highly toxic even at low concentrations. Therefore, Hg(II) concentration should be strictly monitored. This study evaluated pyrazoline compounds as fluorescence chemosensor agents for Hg(II) detection. These compounds were prepared from vanillin via etherification, Claisen-Schmidt, and cyclocondensation reactions, to yield benzothiazole-pyrazoline-styrene hybrid compounds. The hybrid compound without styrene was successfully synthesized in 97.70% yield with limit of detection (LoD) and limit of quantification (LoQ) values of 323.5 and 1078 μM, respectively. Conversely, the hybrid compound was produced in 97.29% yield with the LoD and LoQ values of 8.94 and 29.79 nM, respectively. Further spectroscopic investigations revealed that Hg(II) ions can either chelate with three nitrogen of pyridine, pyrazoline, and benzothiazole structures or two oxygen of vanillin and styrene. Furthermore, the hybrid compound was successfully applied in the direct quantification of Hg(II) ions in tap and underground water samples with a validity of 91.63% and 86.08%, respectively, compared with mercury analyzer measurement. The regeneration of pyrazoline was also easily achieved via the addition of an ethylenediaminetetraacetic acid solution. These findings show the promising application of the benzothiazole-pyrazoline-styrene hybrid compound for Hg(II) monitoring in real environmental samples.
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Affiliation(s)
- Devi Ratnawati
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Yogyakarta, Indonesia
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Bengkulu, Bengkulu, Indonesia
| | - Indriana Kartini
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Harno Dwi Pranowo
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Yehezkiel Steven Kurniawan
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Tutik Dwi Wahyuningsih
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Yogyakarta, Indonesia
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Ge JC, Wu G, Xu G, Song JH, Choi NJ. Synthesis of Polyvinyl Alcohol/Coal Fly Ash Hybrid Nano-Fiber Membranes for Adsorption of Heavy Metals in Diesel Fuel. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13101674. [PMID: 37242090 DOI: 10.3390/nano13101674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/08/2023] [Accepted: 05/16/2023] [Indexed: 05/28/2023]
Abstract
Some studies have shown that the heavy metal emissions (HMEs) emitted from diesel engines can seriously threaten human health. HMEs are mainly related to the content of heavy metal ions in diesel fuel. Therefore, in order to reduce HMEs from diesel engines, a nano-fiber membrane filtration technology for diesel fuel was investigated. Herein, coal fly ash (CFA) from coal-fired power plants combined with polyvinyl alcohol (PVA) was successfully fabricated into nano-fibrous membranes using green electrospinning technology. In order to evaluate the adsorption properties, various hybrid membranes with different mixing ratios (PVA/CFA = 10/0, 10/1, 10/3, 10/5, and 10/7 by weight) were fabricated. The results show that eight metal ions with different concentrations are found in the diesel fuel, including Pb, Cu, Zn, Al, Fe, Cr, Ba, and Ni. All PVA/FA membranes have different adsorption capacities for metal ions, following the order: Cu > Fe > Pb > Al > Zn > Cr > Ba > Ni. In addition, the adsorption capacity of CFA3 (PVA/CFA = 10/3) is the largest. The super lipophilicity of the PVA/FA membranes also provide more adsorption sites for the contact of HMs with the membranes. The above research results provide guidance for development of ultra-fine filters in the future.
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Affiliation(s)
- Jun Cong Ge
- Division of Mechanical Design Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si 54896, Republic of Korea
| | - Guirong Wu
- Division of Mechanical Design Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si 54896, Republic of Korea
| | - Guangxian Xu
- Department of Convergence Technology Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si 54896, Republic of Korea
| | - Jun Hee Song
- Department of Convergence Technology Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si 54896, Republic of Korea
| | - Nag Jung Choi
- Division of Mechanical Design Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si 54896, Republic of Korea
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4
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Abstract
For each kilogram of food protein wasted, between 15 and 750 kg of CO2 end up in the atmosphere. With this alarming carbon footprint, food protein waste not only contributes to climate change but also significantly impacts other environmental boundaries, such as nitrogen and phosphorus cycles, global freshwater use, change in land composition, chemical pollution, and biodiversity loss. This contrasts sharply with both the high nutritional value of proteins, as well as their unique chemical and physical versatility, which enable their use in new materials and innovative technologies. In this review, we discuss how food protein waste can be efficiently valorized not only by reintroduction into the food chain supply but also as a template for the development of sustainable technologies by allowing it to exit the food-value chain, thus alleviating some of the most urgent global challenges. We showcase three technologies of immediate significance and environmental impact: biodegradable plastics, water purification, and renewable energy. We discuss, by carefully reviewing the current state of the art, how proteins extracted from food waste can be valorized into key players to facilitate these technologies. We furthermore support analysis of the extant literature by original life cycle assessment (LCA) examples run ad hoc on both plant and animal waste proteins in the context of the technologies considered, and against realistic benchmarks, to quantitatively demonstrate their efficacy and potential. We finally conclude the review with an outlook on how such a comprehensive management of food protein waste is anticipated to transform its carbon footprint from positive to negative and, more generally, have a favorable impact on several other important planetary boundaries.
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Affiliation(s)
- Mohammad Peydayesh
- ETH
Zurich, Department of Health
Sciences and Technology, 8092 Zurich, Switzerland
| | - Massimo Bagnani
- ETH
Zurich, Department of Health
Sciences and Technology, 8092 Zurich, Switzerland
| | - Wei Long Soon
- ETH
Zurich, Department of Health
Sciences and Technology, 8092 Zurich, Switzerland
- Center
for Sustainable Materials (SusMat), School of Materials Science and
Engineering, Nanyang Technological University, 639798 Singapore
| | - Raffaele Mezzenga
- ETH
Zurich, Department of Health
Sciences and Technology, 8092 Zurich, Switzerland
- Department
of Materials, ETH Zurich, 8093 Zurich, Switzerland
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Sahoo JK, Somu P, Narayanasamy S, Sahoo SK, Lee YR, Baalakrishnan DR, RajaSekhar Reddy NV, Rajendiran S. WITHDRAWN: Heavy metal ions and dyes removal from aqueous solution using Aloevera-based biosorbent: A systematic review. ENVIRONMENTAL RESEARCH 2023; 216:114669. [PMID: 36404520 DOI: 10.1016/j.envres.2022.114669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/30/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
This article has been withdrawn: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been withdrawn at the request of the authors, editor and publisher. The publisher regrets that an error occurred which led to the premature publication of this paper. The publisher apologizes to the readers for this unfortunate erro
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Affiliation(s)
- Jitendra Kumar Sahoo
- Department of Chemistry, GIET University, Gunupur, Rayagada, Odisha, 765022, India
| | - Prathap Somu
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea; Department of Bioengineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 600124, India
| | - Saranya Narayanasamy
- Department of Bioengineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 600124, India
| | - Shraban Kumar Sahoo
- School of Applied Sciences, Centurion University of Technology and Management, Odisha, 752050, India
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
| | - D R Baalakrishnan
- Institute for Science, Engineering and Technology Research, Tamil Nadu, India.
| | - N V RajaSekhar Reddy
- Department of Information Technology, MLR Institute of Technology, Hyderabad, Telangana, India
| | - S Rajendiran
- Institute for Science, Engineering and Technology Research, Tamil Nadu, India
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6
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Liao Z, Zi Y, Zhou C, Zeng W, Luo W, Zeng H, Xia M, Luo Z. Recent Advances in the Synthesis, Characterization, and Application of Carbon Nanomaterials for the Removal of Endocrine-Disrupting Chemicals: A Review. Int J Mol Sci 2022; 23:13148. [PMID: 36361935 PMCID: PMC9654603 DOI: 10.3390/ijms232113148] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/22/2022] [Accepted: 10/25/2022] [Indexed: 09/10/2023] Open
Abstract
The large-scale production and frequent use of endocrine-disrupting chemicals (EDCs) have led to the continuous release and wide distribution of these pollutions in the natural environment. At low levels, EDC exposure may cause metabolic disorders, sexual development, and reproductive disorders in aquatic animals and humans. Adsorption treatment, particularly using nanocomposites, may represent a promising and sustainable method for EDC removal from wastewater. EDCs could be effectively removed from wastewater using various carbon-based nanomaterials, such as carbon nanofiber, carbon nanotubes, graphene, magnetic carbon nanomaterials, carbon membranes, carbon dots, carbon sponges, etc. Important applications of carbon nanocomposites for the removal of different kinds of EDCs and the theory of adsorption are discussed, as well as recent advances in carbon nanocomposite synthesis technology and characterization technology. Furthermore, the factors affecting the use of carbon nanocomposites and comparisons with other adsorbents for EDC removal are reviewed. This review is significant because it helps to promote the development of nanocomposites for the decontamination of wastewater.
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Affiliation(s)
- Ze Liao
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Yang Zi
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Chunyan Zhou
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Wenqian Zeng
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Wenwen Luo
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Hui Zeng
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Muqing Xia
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Zhoufei Luo
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Agricultural University, Changsha 410128, China
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7
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Yaashikaa PR, Senthil Kumar P, Karishma S. Review on biopolymers and composites - Evolving material as adsorbents in removal of environmental pollutants. ENVIRONMENTAL RESEARCH 2022; 212:113114. [PMID: 35331699 DOI: 10.1016/j.envres.2022.113114] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 03/03/2022] [Accepted: 03/10/2022] [Indexed: 06/14/2023]
Abstract
The presence of pollutants and toxic contaminants in water sources makes it unfit to run through. Though various conventional techniques are on deck, development of new technologies are vital for wastewater treatment and recycling. Polymers have been intensively utilized recently in many industries owing to their unique characteristics. Biopolymers resembles natural alternative to synthetic polymers that can be prepared by linking the monomeric units covalently. Despite the obvious advantages of biopolymers, few reviews have been conducted. This review focuses on biopolymers and composites as suitable adsorbent material for removing pollutants present in environment. The classification of biopolymers and their composites based on the sources, methods of preparation and their potential applications are discussed in detail. Biopolymers have the potentiality of substituting conventional adsorbents due to its unique characteristics. Biopolymer based membranes and effective methods of utilization of biopolymers as suitable adsorbent materials are also briefly elaborated. The mechanism of biopolymers and their membrane-based adsorption has been briefly reviewed. In addition, the methods of regeneration and reuse of used biopolymer based adsorbents are highlighted. The comprehensive content on fate of biopolymer after adsorption is given in brief. Finally, this review concludes the future investigations in recent trends in application of biopolymer in various fields in view of eco-friendly and economic perspectives.
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Affiliation(s)
- P R Yaashikaa
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India.
| | - S Karishma
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, 602105, India
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8
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Chen K, Wu J, Yarin A. Electrospun membranes filtering 100 nm particles from air flow by means of the van der Waals and Coulomb forces. J Memb Sci 2022; 644:120138. [PMID: 36567692 PMCID: PMC9759630 DOI: 10.1016/j.memsci.2021.120138] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/14/2021] [Accepted: 11/24/2021] [Indexed: 12/27/2022]
Abstract
Nonwoven fibrous filter membranes are widely used in filtration because of their low cost. They are less effective in intercepting airborne particles of the order of 100 nm, which is of the SARS-CoV-2 (COVID-19) virus's size. Many diseases, including COVID-19, predominantly spread by droplets released by breathing, coughing, sneezing, or medical procedures. It was shown that the smallest droplets can evaporate in air before settling, thus, making viruses airborne and easily penetrating even the best masks and filters. As a result, air-filtering membranes, which are capable of effective interception of ∼100 nm nanoparticles are highly desirable. A traditional way to improve filtration efficiency by overlapping several layers of nonwoven fabrics increases the required pressure drop, and thus, should be avoided as much as possible. Here, we propose and demonstrate an innovative approach to enhance performance of filtration membranes based on (i) a dramatic reduction in the fiber size, and (ii) metal coating of the fibers. The first component of this approach allows one to incorporate a novel physical mechanism of filtration, the short-range van der Waals forces, whereas the second one adds the long-range electric Coulomb forces if the oncoming nanoparticles are pre-charged and the metal-plated membrane grounded. In the present work, the ∼100 nm aluminum nanoparticles are filtered as a model of commensurate airborne single COVID-19 viruses, and Platinum is used as the sputter-coated material for the fiber coating. The resulting filtration efficiency enhanced by the electric Coulomb forces alone is increased by the factor of 1.77, while the filtration efficiency additionally facilitated by the van der Waals forces increased by the factor of 2.44. In comparison to the filter membranes with ∼500 nm fibers without the electric forces involved, the van-der-Waals-electric filter membrane with fibers ∼90 nm is 2.24 × 1.77 = 3.96 times more effective. The quality factor of a membrane which combines the van der Waals and Coulomb forces is 10.6 psi-1, which is almost three times that of a comparable membrane without the electric Coulomb force (with only van der Waals forces being used).
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Affiliation(s)
- Kailin Chen
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, 842 W. Taylor Street, Chicago, IL, 60607-7022, USA
| | - Jingwei Wu
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, 842 W. Taylor Street, Chicago, IL, 60607-7022, USA
| | - A.L. Yarin
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, 842 W. Taylor Street, Chicago, IL, 60607-7022, USA,School of Mechanical Engineering, Korea University, Seoul 136-713, Republic of Korea,Corresponding author. School of Mechanical Engineering, Korea University, Seoul 136-713, Republic of Korea
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9
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Deng Y, Lu T, Cui J, Keshari Samal S, Xiong R, Huang C. Bio-based electrospun nanofiber as building blocks for a novel eco-friendly air filtration membrane: A review. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119623] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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10
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Adsorption of Toxic Zinc by Functionalized Lignocellulose Derived from Waste Biomass: Kinetics, Isotherms and Thermodynamics. SUSTAINABILITY 2021. [DOI: 10.3390/su131910673] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Heavy metals pollution receives worldwide attention due to great toxicity, significant bio-accumulation and non-biodegradability. Adsorption is a promising technique for removing heavy metals from wastewater. Adsorption of zinc (Zn(II)) from aqueous solution was investigated by functionalized lignocellulose derived from fallen leaves. Alkalized lignocellulose (AC), xanthated lignocellulose (XC) and carboxylated lignocellulose (CC) were characterized by Fourier transform infrared spectrum (FTIR), X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM). The effect of sorbent dosage, solution pH, sorption time and initial Zn(II) concentration on Zn(II) sorption was investigated by single-factor experiment. Sorption kinetics, isotherms and thermodynamics were examined to reveal sorption mechanism. The sorption capacity and removal rate remarkably depend on experimental variables. Zn(II) sorption onto AC, XC and CC is well described by the pseudo second order kinetics and Langmuir isotherm. The sorption process is fast, reaching sorption equilibrium at 30 min. The maximum sorption capacity of Zn(II) onto CC is 46.49 mg/g, higher than that onto AC, XC and other reported sorbents. Thermodynamic parameters indicate that Zn(II) sorption is a spontaneous process. Sorption mechanism is majorly attributed to surface complexation. This work shows the feasibility of removing toxic Zn(II) from aqueous solution by locally available biomass, providing a sustainable approach for wastewater treatment.
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Wang J, Cai N, Chan V, Zeng H, Shi H, Xue Y, Yu F. Antimicrobial hydroxyapatite reinforced-polyelectrolyte complex nanofibers with long-term controlled release activity for potential wound dressing application. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126722] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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12
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Zou F, Li G, Wang X, Yarin AL. Dynamic hydrophobicity of superhydrophobic PTFE-SiO2 electrospun fibrous membranes. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118810] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Kakoria A, Sinha-Ray S, Sinha-Ray S. Industrially scalable Chitosan/Nylon-6 (CS/N) nanofiber-based reusable adsorbent for efficient removal of heavy metal from water. POLYMER 2021. [DOI: 10.1016/j.polymer.2020.123333] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Phan DN, Khan MQ, Nguyen NT, Phan TT, Ullah A, Khatri M, Kien NN, Kim IS. A review on the fabrication of several carbohydrate polymers into nanofibrous structures using electrospinning for removal of metal ions and dyes. Carbohydr Polym 2021; 252:117175. [DOI: 10.1016/j.carbpol.2020.117175] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 09/27/2020] [Accepted: 09/28/2020] [Indexed: 12/22/2022]
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15
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Preparation of a Hybrid Membrane from Whey Protein Fibrils and Activated Carbon to Remove Mercury and Chromium from Water. MEMBRANES 2020; 10:membranes10120386. [PMID: 33266234 PMCID: PMC7760280 DOI: 10.3390/membranes10120386] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/10/2020] [Accepted: 11/25/2020] [Indexed: 12/07/2022]
Abstract
Water contamination by mercury and chromium has a direct effect in human health. A promising technology to remove heavy metals by membrane filtration is the use of hybrid membranes produced with whey protein fibrils (WPF) and activated carbon (AC). In this study, the best conditions to produce WPF by heat treatment were determined to maximize the removal of mercury and chromium from water using a central composed design. The results indicated that the best conditions to prepare WPF were 74 °C, 7 h and 3.8% of whey protein with adsorption capacities of 25 and 18 mg/g and removal efficiencies of 81 and 57% for mercury and chromium, respectively. WPF and AC were used to prepare a hybrid membrane that was characterized using transmission electron microscopy, atomic force microscopy, scanning electron microscopy, Fourier transform infrared spectroscopy and Brunauer-Emmett-Teller surface area measurements. Batch filtration experiments were performed with the hybrid membrane for chromium and mercury removal at 25, 50 and 100 mg/L to determine its adsorption capacities. A high performance of the hybrid membrane was demonstrated removing efficiently mercury and chromium from water, thus supporting more than ten filtration cycles.
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17
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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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18
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Removal of heavy metal ions by ultrafiltration with recovery of extracellular polymer substances from excess sludge. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118103] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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19
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Yang Z, Wu G, Li Q, Ai H, Yao X, Ji H. Removal of various pollutants from wastewaters using an efficient and degradable hypercrosslinked polymer. SEP SCI TECHNOL 2020. [DOI: 10.1080/01496395.2020.1745239] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Zujin Yang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, China
- School of Chemical Engineering, Huizhou Research Institute of Sun Yat-sen University, Huizhou, China
| | - Guifang Wu
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, China
| | - Qiuru Li
- Fine Chemical Industry Research Institute, the Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province, School of Chemistry, Sun Yat-sen University, Guangzhou, China
| | - Hongxia Ai
- Fine Chemical Industry Research Institute, the Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province, School of Chemistry, Sun Yat-sen University, Guangzhou, China
| | - Xingdong Yao
- The Key Laboratory of Forest Chemistry & Engineering of Guangxi, Guangxi University for Nationalities,Nanning, China
| | - Hongbing Ji
- School of Chemical Engineering, Huizhou Research Institute of Sun Yat-sen University, Huizhou, China
- Fine Chemical Industry Research Institute, the Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province, School of Chemistry, Sun Yat-sen University, Guangzhou, China
- School of Chemical Engineering, Guangdong University of Petrochemical Technology, Maoming, China
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20
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Vardhan KH, Kumar PS, Panda RC. A review on heavy metal pollution, toxicity and remedial measures: Current trends and future perspectives. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111197] [Citation(s) in RCA: 500] [Impact Index Per Article: 100.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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21
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Corda N, Kini MS. Recent studies in adsorption of Pb(II), Zn(II) and Co(II) using conventional and modified materials:a review. SEP SCI TECHNOL 2019. [DOI: 10.1080/01496395.2019.1652651] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Nikita Corda
- Department of Chemical Engineering, Manipal Institute of Technology, Mahe, Manipal, India
| | - M. Srinivas Kini
- Department of Chemical Engineering, Manipal Institute of Technology, Mahe, Manipal, India
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22
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Kim MW, An S, Seok H, Yoon SS, Yarin AL. Electrostatic Transparent Air Filter Membranes Composed of Metallized Microfibers for Particulate Removal. ACS APPLIED MATERIALS & INTERFACES 2019; 11:26323-26332. [PMID: 31259518 DOI: 10.1021/acsami.9b05686] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Particulate matter (PM) from ever-increasing industrialization poses a great public health risk. Although fiber-based filters are used effectively to block PM, filters with high packing densities suffer from excessive pressure drops. Electret filters bypass intermediate- or large-sized particles and thus capture only small particles, the motion of which can be influenced by weak electrostatic fields. In this study, we demonstrate the fabrication of metallized fibers that produce intense electric fields, thereby enabling capture of PMs of a variety of sizes produced by burning incense. The filter consisting of these metallized fibers effectively removes moving particles from air. An electricity-driven filter is relatively thin and has a low packing density, making it light, portable, transparent, and inexpensive. The sizes of the pores between the metallized fibers are readily controlled by manipulating the electrospinning and electroplating times. Sufficiently large pores permit efficient airflow and thus increase permeability without risking an excessive pressure drop. The metallized fiber filter is washable and thus reusable. In this study, a PM removal rate of >97% was recorded using a filter designed under optimal conditions.
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Affiliation(s)
- Min-Woo Kim
- School of Mechanical Engineering , Korea University , Seoul 02841 , Republic of Korea
| | - Seongpil An
- Department of Mechanical and Industrial Engineering , University of Illinois at Chicago , 842 W. Taylor Street , Chicago , Illinois 60607-7022 , United States
| | - Hyunjun Seok
- School of Mechanical Engineering , Korea University , Seoul 02841 , Republic of Korea
| | - Sam S Yoon
- School of Mechanical Engineering , Korea University , Seoul 02841 , Republic of Korea
| | - Alexander L Yarin
- Department of Mechanical and Industrial Engineering , University of Illinois at Chicago , 842 W. Taylor Street , Chicago , Illinois 60607-7022 , United States
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23
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Non-Resorbable Nanocomposite Membranes for Guided Bone Regeneration Based On Polysulfone-Quartz Fiber Grafted with Nano-TiO 2. NANOMATERIALS 2019; 9:nano9070985. [PMID: 31288413 PMCID: PMC6669488 DOI: 10.3390/nano9070985] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/29/2019] [Accepted: 07/01/2019] [Indexed: 12/11/2022]
Abstract
The polymer-inorganic nanoparticles composite membranes are the latest solutions for multiple physicochemical resistance and selectivity requirements of membrane processes. This paper presents the production of polysulfone-silica microfiber grafted with titanium dioxide nanoparticles (PSf-SiO2-TiO2) composite membranes. Silica microfiber of length 150-200 μm and diameter 12-15 μm were grafted with titanium dioxide nanoparticles, which aggregated as microspheres of 1-3 μm, applying the sol-gel method. The SiO2 microfibers grafted with nano-TiO2 were used to prepare 12% polysulfone-based nanocomposite membranes in N-methyl pyrrolidone through the inversion phase method by evaporation. The obtained nanocomposite membranes, PSf-SiO2-TiO2, have flux characteristics, retention, mechanical characteristics, and chemical oxidation resistance superior to both the polysulfone integral polymer membranes and the PSf-SiO2 composite membranes. The antimicrobial tests highlighted the inhibitory effect of the PSf-SiO2-TiO2 composite membranes on five Gram (-) microorganisms and did not allow the proliferation of Candida albicans strain, proving that they are suitable for usage in the oral environment. The designed membrane met the required characteristics for application as a functional barrier in guided bone regeneration.
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24
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Dongre RS, Sadasivuni KK, Deshmukh K, Mehta A, Basu S, Meshram JS, Al-Maadeed MAA, Karim A. Natural polymer based composite membranes for water purification: a review. POLYM-PLAST TECH MAT 2019. [DOI: 10.1080/25740881.2018.1563116] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
| | | | - Kalim Deshmukh
- Department of Physics, B. S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - Akansha Mehta
- School of Chemistry & Biochemistry, Thapar University, Patiala, Punjab, India
| | - Soumen Basu
- School of Chemistry & Biochemistry, Thapar University, Patiala, Punjab, India
| | | | - Mariam Al Ali Al-Maadeed
- Materials Science & Technology Program (MATS), College of Arts & Sciences, Qatar University, Doha, Qatar
| | - Alamgir Karim
- Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
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25
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Tian D, Li XX, He JH. Geometrical potential and nanofiber membrane’s highly selective adsorption property. ADSORPT SCI TECHNOL 2018. [DOI: 10.1177/0263617418813826] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
| | - Xiao-Xia Li
- College of Textile and Clothing Engineering, Soochow University, Suzhou, China
| | - Ji-Huan He
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, China
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26
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Badalamoole V, Abubakar Zauro S. Absorptive removal of Cu2+ and Pb2+ from aqueous solutions using xanthan gum‐g‐poly[(N,N′‐dimethylacrylamide)-co-(2-acrylamido-2-methylpropanesulfonic acid)]–ZnO nanocomposite gel. SEP SCI TECHNOL 2018. [DOI: 10.1080/01496395.2018.1541094] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Vishalakshi Badalamoole
- Department of Post-Graduate Studies and Research in Chemistry, Mangalore University, Mangalagangothri, India
| | - Sirajo Abubakar Zauro
- Department of Post-Graduate Studies and Research in Chemistry, Mangalore University, Mangalagangothri, India
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27
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An S, Sankaran A, Yarin AL. Natural Biopolymer-Based Triboelectric Nanogenerators via Fast, Facile, Scalable Solution Blowing. ACS APPLIED MATERIALS & INTERFACES 2018; 10:37749-37759. [PMID: 30272436 DOI: 10.1021/acsami.8b15597] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Here, we fabricated nanofiber (NF)-based triboelectric nanogenerators (TENGs) from natural biopolymers using the industrially scalable solution blowing. This technique eliminates severe restrictions on solutions to be used and allows one to achieve biocompatible devices. Here, solutions of soy protein and lignin were blown into continuous monolithic NFs of hundreds of nanometers in diameter. The technique we employed yields large-area NF mats within tens of minutes and has never been employed to form TENGs. Furthermore, in contrast to electrospun and meltblown fiber mats, solution-blown NF mats are much fluffier/porous, which is beneficial for achieving higher voltages by means of triboelectricity. In particular, triboelectricity generated by our biopolymer-based TENGs revealed that they hold great promise as sustainable and environmentally friendly self-powered devices for biomedical applications with the highest efficiency in their class. Moreover, these are the first nanotextured plant-derived biopolymer-made TENGs.
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Affiliation(s)
- Seongpil An
- Department of Mechanical and Industrial Engineering , University of Illinois at Chicago , 842 W. Taylor Street , Chicago , Illinois 60607-7022 , United States
| | - Abhilash Sankaran
- Department of Mechanical and Industrial Engineering , University of Illinois at Chicago , 842 W. Taylor Street , Chicago , Illinois 60607-7022 , United States
| | - Alexander L Yarin
- Department of Mechanical and Industrial Engineering , University of Illinois at Chicago , 842 W. Taylor Street , Chicago , Illinois 60607-7022 , United States
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28
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Review of Heavy Metal Adsorption Processes by Several Organic Matters from Wastewaters. WATER 2018. [DOI: 10.3390/w10101377] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Heavy metal contamination of natural rivers and wastewaters is a problem for both the environment and human society. The accumulation and adsorption of heavy metals could happen with several organic and inorganic matters, but the most used adsorbents are (biological and chemical) organic compounds. This review article presents the basics of heavy metal adsorption on several organic surfaces. There are many organic matters, which seem to be useful as agents for heavy metal adsorption. All of the cited authors and articles present the adsorption kinetics by the most used isotherm models (such as Langmuir and Freundlich isotherms). By comparing several research results presented by a pre-selected assortment of papers, we would like to give an overview of the microbiological, organic chemical, and other surface adsorption possibilities. We draw conclusions for two new adsorption fields (adsorption with biosorbent and artificial materials). We present an optional possibility to study adsorption kinetics, efficiency and regeneration methods to successfully conclude the heavy metal treatment process, and we make some recommendations about the efficient water usage calculations using the water allowance coefficient (WAC) indicator.
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29
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Aruchamy K, Mahto A, Nataraj S. Electrospun nanofibers, nanocomposites and characterization of art: Insight on establishing fibers as product. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.nanoso.2018.03.013] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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30
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Yi X, Sun F, Han Z, Han F, He J, Ou M, Gu J, Xu X. Graphene oxide encapsulated polyvinyl alcohol/sodium alginate hydrogel microspheres for Cu (II) and U (VI) removal. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 158:309-318. [PMID: 29729598 DOI: 10.1016/j.ecoenv.2018.04.039] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 04/16/2018] [Accepted: 04/18/2018] [Indexed: 06/08/2023]
Abstract
In this work, a novel sodium alginate (SA)/polyvinyl alcohol (PVA)/graphene oxide (GO) hydrogel microspheres were prepared by a simple method. Sodium alginate was physically crosslinked by Ca2+; GO was encapsulated into the composite to strengthen the hydrogels; PVA played a significant role in well dispersing of GO in SA. The SA/PVA/GO (SPG) hydrogels were employed as an efficient adsorbent for removal of Cu (II) and U (VI) from aqueous solution. Batch experiments with the subject of the pH, initial metal ion concentration, competing ions and contact time were investigated. Structure characterization was successfully conducted by FTIR, SEM, EDX, BET and XPS. Furthermore, the sorption kinetics of Cu2+ and UO22+ followed pseudo-second order model and exhibited 3-stage intraparticle diffusion model. Equilibrium data were best described by Langmuir model and the obtained maximum adsorption capacities of SPG hydrogel microspheres for Cu2+ and UO22+ were 247.16 and 403.78 mg/g, respectively. The difference in adsorption capacity can be confirmed by the percentage of elements in EDX spectra and the intension of peak of elements in XPS spectra. The SPG sorbent exhibited excellent reusability after 5 adsorption-desorption cycles. All results suggested that the prepared adsorbents could be considered as effective and promising materials for removal of Cu (II) and U (VI) in wastewater.
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Affiliation(s)
- Xiaofeng Yi
- College of Chemistry, Fuzhou University, Fuzhou 350108, China.
| | - Fuliang Sun
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Zhenhua Han
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Fuhao Han
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Jiarui He
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Minrui Ou
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Junjie Gu
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Xiaoping Xu
- College of Chemistry, Fuzhou University, Fuzhou 350108, China.
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31
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A Review on Biopolymer-Based Fibers via Electrospinning and Solution Blowing and Their Applications. FIBERS 2018. [DOI: 10.3390/fib6030045] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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32
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Li J, Song G, Yu J, Wang Y, Zhu J, Hu Z. Preparation of Solution Blown Polyamic Acid Nanofibers and Their Imidization into Polyimide Nanofiber Mats. NANOMATERIALS (BASEL, SWITZERLAND) 2017; 7:E395. [PMID: 29149049 PMCID: PMC5707612 DOI: 10.3390/nano7110395] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 11/06/2017] [Accepted: 11/14/2017] [Indexed: 12/31/2022]
Abstract
Solution blow spinning (SBS) is an innovative process for spinning micro/nanofibers. In this paper, polyamic acid (PAA) nanofibers were fabricated via a SBS apparatus and then imidized into polyimide (PI) nanofibers via thermal process. The morphology and diameter distributions of PAA nanofibers were determined by scanning electron microscope (SEM) and Image Tool software, the processing parameters, including PAA concentration, solution feeding rate, gas pressure, nozzle size, and receiving distance were investigated in details. The fourier transform infrared spectroscopy (FTIR) was used to characterize the chemical changes in the nanofibers after thermal imidization. The results showed that the solution concentration exhibited a notable correlation with spinnability, and the formation of bead defects in PAA nanofibers. Solution feeding rate, gas pressure, nozzle size, and receiving distance affected nanofiber production efficiency and diameter distribution. The average diameters of fibers produced ranged from 129.6 to 197.7 nm by varying SBS parameters. Precisely, PAA nanofibers with good morphology were obtained and the average diameter of nanofibers was 178.2 nm with optimum process parameter. After thermal imidization, the PI nanofibers exhibited obvious adhesion morphology among interconnected fibers, with an increased average diameter of 209.1 nm. The tensile strength of resultant PI nanofiber mat was 12.95 MPa.
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Affiliation(s)
- Jing Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials, Science and Engineering, Donghua University, Shanghai 201620, China.
| | - Guocheng Song
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials, Science and Engineering, Donghua University, Shanghai 201620, China.
| | - Junrong Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials, Science and Engineering, Donghua University, Shanghai 201620, China.
| | - Yan Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials, Science and Engineering, Donghua University, Shanghai 201620, China.
| | - Jing Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials, Science and Engineering, Donghua University, Shanghai 201620, China.
| | - Zuming Hu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials, Science and Engineering, Donghua University, Shanghai 201620, China.
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