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Cui YX, Zeng JM, Duan MY, Liu YP, Liu YQ, Yu JG. Facile hydrothermal assembly of three-dimensional GO-MTZE composite and its adsorption properties toward Cu 2. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:39497-39513. [PMID: 38822180 DOI: 10.1007/s11356-024-33789-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 05/20/2024] [Indexed: 06/02/2024]
Abstract
Three-dimensional (3D) graphene oxide (GO)-based aerogels, GO and 4-methyl-5-thiazoleethanol (MTZE) composites, were prepared by a facile hydrothermal method. Due to the hydrogen bonding and π-π stacking interactions, the produced 3D GO-MTZE composites possessed large cylindrical structures. The morphologies, composition, and chemical states of 3D GO-MTZE3:1 composite were characterized by Fourier transform infrared (FT-IR) spectroscopy, X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and N2 adsorption-desorption isotherms based on the Brunauer-Emmett-Teller (BET) method. The existence of nitrogen (N)-containing heterocyclic system and oxygen (O)-containing branched chain of MTZE contributed to the formation of 3D structures, while the complexation effect of heterocyclic sulfur (S)- and N-containing functional groups of MTZE for metal cations dominated the adsorption performance of 3D GO-MTZE3:1 composite, which could selectively adsorb copper ions (Cu2+). In addition, the better hydrophobic property of 3D GO-MTZE3:1 composite facilitates its facile recycling from aqueous solution after adsorption. The adsorption data of 3D GO-MTZE3:1 composite toward Cu2+ fitted well (R2 = 0.9996) with the linear pseudo-second-order kinetic model, giving an equilibrium rate constant (k2) of 0.0187 g mg-1 min-1. The linear Langmuir isothermal model could more accurately describe the experimental data, indicating the adsorption process is mainly dominated by the complexation interactions between MTZE and Cu2+. The thermodynamic parameters of ΔG° (< 0), ΔH° (> 0), and ΔS° (> 0) further indicate that the adsorption is a spontaneous and endothermic, confirming that the complexation between Cu2+ and 3D GO-MTZE3:1 composite occurs. Due to its high selectivity for Cu2+, good hydrophobicity, and excellent stability, the developed 3D GO-MTZE3:1 composite possesses might be promisingly used in the aqueous selective enrichment/removal of Cu2+.
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Affiliation(s)
- Ya-Xin Cui
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Jin-Min Zeng
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Mei-Yi Duan
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Yi-Ping Liu
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, Hunan, China
- Hunan Provincial Institute of Cotton Sciences Research, Changde, 415000, Hunan, China
| | - Yue-Qin Liu
- School of Life Science, Yan'an University, Yan'an, 716000, Shanxi, China
| | - Jin-Gang Yu
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, Hunan, China.
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Qin H, Xu L, Qin L, Kang B, Zha F, Wang Q, Huang K. Removal of Cu(II) by sodium hexametaphosphate and nano zero-valent iron modified calcium bentonite: characteristic, adsorption performance and mechanism. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 358:120866. [PMID: 38663085 DOI: 10.1016/j.jenvman.2024.120866] [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: 02/06/2024] [Revised: 04/02/2024] [Accepted: 04/06/2024] [Indexed: 05/04/2024]
Abstract
Cu (II) is a toxic heavy metal commonly identified in groundwater contaminants. Bentonite-based cutoff wall is the most used method in isolating and adsorbing contaminants, while the bentonite in it easily to fail due to Cu(II) exchange. This study synthesized a novel material through the modification of calcium bentonite (CaB) utilizing sodium hexametaphosphate (SHMP) and nano zero-valent iron (NZVI). The characteristics, adsorption performance, and mechanism of the NZVI/SHMP-CaB were investigated comprehensively. The results showed that SHMP can disperse CaB and reduce flocculation, while NZVI can be further stabilized without agglomeration. The best adsorption performance of NZVI/SHMP-CaB could be obtained at the dosage of 2% SHMP and 4% NZVI. The NZVI/SHMP-CaB exhibited an outstanding removal efficiency of over 60% and 90% at a high Cu(II) concentration (pH = 6, Cu(II) = 300 mg/L) and acidic conditions (pH = 3-6, Cu(II) = 50 mg/L), respectively. The adsorption of Cu(II) by NZVI/SHMP-CaB followed a pseudo-second-order kinetic model, and fitting results from the Freundlich isothermal model suggested that the adsorption process occurred spontaneously. Besides the rapid surface adsorption on the NZVI/SHMP-CaB and ion exchange with interlayer ions in bentonite, the removal mechanism of Cu(II) also involved the chemical reduction to insoluble forms such as Cu0 and Cu2O. The generated FePO4 covered the surface of the homogenized NZVI particles, enhancing the resistance of NZVI/SHMP-CaB to acidic and oxidative environments. This study indicates that NZVI/SHMP-CaB is a promising alternative material which can be used for heavy metal removal from contaminated soil and water.
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Affiliation(s)
- Hao Qin
- School of Resource and Environmental Engineering, Hefei University of Technology, Tunxi Road 193#, Baohe District, Hefei, 230009, China.
| | - Long Xu
- School of Resource and Environmental Engineering, Hefei University of Technology, Tunxi Road 193#, Baohe District, Hefei, 230009, China.
| | - Lin Qin
- School of Resource and Environmental Engineering, Hefei University of Technology, Tunxi Road 193#, Baohe District, Hefei, 230009, China.
| | - Bo Kang
- School of Resource and Environmental Engineering, Hefei University of Technology, Tunxi Road 193#, Baohe District, Hefei, 230009, China.
| | - Fusheng Zha
- School of Resource and Environmental Engineering, Hefei University of Technology, Tunxi Road 193#, Baohe District, Hefei, 230009, China.
| | - Qiao Wang
- School of Resource and Environmental Engineering, Hefei University of Technology, Tunxi Road 193#, Baohe District, Hefei, 230009, China.
| | - Kai Huang
- College of Civil Engineering, AnHui JianZhu University, Hefei, 230601, China.
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Hirani RAK, Hannan A, Rafique N, Shi L, Tian W, Wang H, Sun H. Three-dimensional rGO/CNT/g-C 3N 4 macro discs as an efficient peroxymonosulfate activator for catalytic degradation of sulfamethoxazole. JOURNAL OF HAZARDOUS MATERIALS 2023; 460:132400. [PMID: 37639789 DOI: 10.1016/j.jhazmat.2023.132400] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 07/25/2023] [Accepted: 08/23/2023] [Indexed: 08/31/2023]
Abstract
Over the past few years, advanced oxidation processes (AOPs) have shown promising efficiencies for wastewater remediation. Carbocatalysis, in particular, has been exploited widely thanks to its sustainable and economical properties but has an issue of recovery and reusability of the catalysts. To address this, three-dimensional (3D) binary and ternary graphene-based composites in the form of macro discs were created to activate peroxymonosulfate (PMS) for catalytic oxidation of sulfamethoxazole (SMX). Graphene oxide served as the base, while graphitic carbon nitride (g-C3N4) and/or single-walled carbon nanotubes (SWCNTs) were added. Among the various discs synthesized, rGNTCN discs (ternary composite) were proven to be the most efficient by completely degrading SMX in 60 min owing to their large surface area and nitrogen loading. The catalytic system was further optimized by varying the reaction parameters, and selective radical quenching and electron paramagnetic resonance tests were performed to identify the active radical, revealing the synergistic role of both radical and non-radical pathways. This led to the development of possible SMX degradation pathways. This research not only provides insights into ternary carbocatalysis but also gives a novel breakthrough in catalyst recovery and reusability by transforming nanocatalysts into macro catalysts.
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Affiliation(s)
| | - Abdul Hannan
- School of Science, Edith Cowan University, Joondalup, WA 6027, Australia
| | - Nasir Rafique
- School of Science, Edith Cowan University, Joondalup, WA 6027, Australia
| | - Lei Shi
- College of Materials Science and Engineering, Nanjing Forestry University, 210037 Nanjing, China
| | - Wenjie Tian
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Haitao Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Hongqi Sun
- School of Science, Edith Cowan University, Joondalup, WA 6027, Australia; School of Molecular Sciences, The University of Western Australia, Perth WA6009, Australia.
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Zhong X, Ma L, Yin G. Ion-Imprinted Chitosan-Based Localized Surface Plasmon Resonance Sensor for Ni 2+ Detection. SENSORS (BASEL, SWITZERLAND) 2022; 22:9005. [PMID: 36433601 PMCID: PMC9694492 DOI: 10.3390/s22229005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/15/2022] [Accepted: 11/16/2022] [Indexed: 06/16/2023]
Abstract
Heavy metals are important sources of environmental pollution and cause disease in organisms throughout the food chain. A localized surface plasmon resonance sensor was proposed and demonstrated to realize Ni2+ detection by using ion-imprinted chitosan. Au nanoparticles were coated on the multimode fiber to excite the local surface plasmon resonance, and Ni2+-imprinted chitosan was then functionalized by using the dip coating technique. Ethylene diamine tetra-acetic acid was used to release the Ni2+ ions and hence form countless voids. Ni2+ was refilled into the voids to increase the refractive index of the sensing material, thus realizing the measurement of Ni2+ by monitoring the wavelength shift in the localized surface plasmon resonant peak. The coating thickness of the Ni2+-chitosan gel was optimized to obtain greater sensitivity. Experimental results show that the proposed Ni2+ sensor has a sensitivity of 185 pm/μM, and the limit of detection is 0.512 μM. The comparison experiments indicated that the ion-imprinted chitosan has better selectivity than pure chitosan.
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Affiliation(s)
- Xiujuan Zhong
- College of Chemistry & Chemical Engineering, Chongqing University, Chongqing 400044, China
| | - Li Ma
- College of Chemistry & Chemical Engineering, Chongqing University, Chongqing 400044, China
| | - Guolu Yin
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), Chongqing University, Chongqing 400044, China
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Nasir A, Inaam-Ul-Hassan M, Raza A, Tahir M, Yasin T. Removal of copper using chitosan beads embedded with amidoxime grafted graphene oxide nanohybids. Int J Biol Macromol 2022; 222:750-758. [PMID: 36167100 DOI: 10.1016/j.ijbiomac.2022.09.188] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 07/15/2022] [Accepted: 09/21/2022] [Indexed: 11/05/2022]
Abstract
This study explores a biopolymer-based composite system for metal decontamination of water using copper {Cu (II)} as a model pollutant. Novel composite beads of chitosan and amidoxime grafted graphene oxide (AOGO) were successfully prepared and used for the Cu (II) removal from aqueous solutions. For this purpose, acrylonitrile was first polymerized onto a gamma-irradiated and silanized graphene oxide substrate. The nitrile groups of polyacrylonitrile grafted graphene oxide (GO-g-PAN) were then chemically modified into amidoxime groups to form AOGO nanohybrids. These nanohybrids were mixed with a blend of chitosan (CS) and polyvinyl alcohol (PVA) and crosslinked using tetraethylorthosilicate (TEOS) to form composite CP/AOGO beads. Fourier transform infrared spectroscopy (FTIR) was used to study the structural changes at each step during the formation of composite beads. Scanning electron microscopic (SEM) analysis demonstrated that the beads had a well-developed spherical structure. The adsorption of Cu (II) onto CP/AOGO composite beads was studied under different conditions (initial concentration, pH, and contact time). The results revealed the potential of composite beads in copper removal from aqueous solutions.
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Affiliation(s)
- Amara Nasir
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad 45650, Pakistan.
| | | | - Asif Raza
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad 45650, Pakistan
| | - Mehwish Tahir
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad 45650, Pakistan
| | - Tariq Yasin
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad 45650, Pakistan.
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6
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Tan S, Ouyang P, Zhang Q, Yang S, Wang H. Removal of Vanadium(IV) Ions from Aqueous Solution by Graphene Oxide. ChemistrySelect 2022. [DOI: 10.1002/slct.202202311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shi‐Ying Tan
- Institute of Nanochemistry and Nanobiology Shanghai University NO.99 Shangda Road Shanghai 200444 China
| | - Peng Ouyang
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University NO. 16, South Section 1st Ring Road Chengdu 610041 Sichuan China
| | - Qiangqiang Zhang
- Institute of Nanochemistry and Nanobiology Shanghai University NO.99 Shangda Road Shanghai 200444 China
| | - Sheng‐Tao Yang
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University NO. 16, South Section 1st Ring Road Chengdu 610041 Sichuan China
| | - Haifang Wang
- Institute of Nanochemistry and Nanobiology Shanghai University NO.99 Shangda Road Shanghai 200444 China
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7
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Jin M, Liu J, Wu W, Zhou Q, Fu L, Zare N, Karimi F, Yu J, Lin CT. Relationship between graphene and pedosphere: A scientometric analysis. CHEMOSPHERE 2022; 300:134599. [PMID: 35427662 DOI: 10.1016/j.chemosphere.2022.134599] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/04/2022] [Accepted: 04/10/2022] [Indexed: 06/14/2023]
Abstract
The mass production and application of graphene have gradually expanded from academic research to industrial applications, which will inevitably lead to graphene entering the soil actively and passively. Therefore, the relationship between graphene and the pedosphere has attracted a lot of attention in the last decade. The most important question is whether graphene will harm soil health. Fortunately, the evidence is that graphene can alter soil physicochemical properties and microbial communities to some extent, but not dramatically. On this basis, the role of graphene in soil has been investigated in all directions. This review summarizes the literature on the relationship between graphene and soils. Topics include remediation and sensing of soil using graphene materials, the effects of graphene on soil, and the effects of graphene in soil on plant growth. At the same time, this review also uses bibliometrics to review the history of the topic. The number of papers published each year, participating countries, participating institutions and important articles were analyzed in detail. Finally, based on the published literature, we described the future perspectives of graphene and the pedosphere.
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Affiliation(s)
- Meiqing Jin
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Jinsong Liu
- Zhejiang Key Laboratory of Ecological and Environmental Monitoring, Forewarning and Quality Control, Zhejiang Ecological and Environmental Monitoring Center, Hangzhou, 310012, China
| | - Weihong Wu
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Qingwei Zhou
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Li Fu
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China.
| | - Najmeh Zare
- Department of Chemical Engineering, Quchan University of Technology, Quchan, Iran
| | - Fatemeh Karimi
- Department of Chemical Engineering, Quchan University of Technology, Quchan, Iran.
| | - Jinhong Yu
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering (NIMTE), Chinese Academy of Sciences, Ningbo, 315201, China
| | - Cheng-Te Lin
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering (NIMTE), Chinese Academy of Sciences, Ningbo, 315201, China
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8
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Jain P, De A, Singh NB. Cellulose‐Based Materials for Water Purification. ChemistrySelect 2022. [DOI: 10.1002/slct.202200121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Preeti Jain
- Department of Chemistry and Biochemistry School of Basic Sciences and Research Sharda University Greater Noida India
| | - Anindita De
- Department of Chemistry and Biochemistry School of Basic Sciences and Research Sharda University Greater Noida India
| | - Nakshatra Bahadur Singh
- Department of Chemistry and Biochemistry School of Basic Sciences and Research Sharda University Greater Noida India
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Tanpichai S, Boonmahitthisud A, Soykeabkaew N, Ongthip L. Review of the recent developments in all-cellulose nanocomposites: Properties and applications. Carbohydr Polym 2022; 286:119192. [DOI: 10.1016/j.carbpol.2022.119192] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 12/21/2022]
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Matei E, Predescu AM, Râpă M, Țurcanu AA, Mateș I, Constantin N, Predescu C. Natural Polymers and Their Nanocomposites Used for Environmental Applications. NANOMATERIALS 2022; 12:nano12101707. [PMID: 35630932 PMCID: PMC9146209 DOI: 10.3390/nano12101707] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/13/2022] [Accepted: 05/15/2022] [Indexed: 02/04/2023]
Abstract
The aim of this review is to bring together the main natural polymer applications for environmental remediation, as a class of nexus materials with advanced properties that offer the opportunity of integration in single or simultaneous decontamination processes. By identifying the main natural polymers derived from agro-industrial sources or monomers converted by biotechnology into sustainable polymers, the paper offers the main performances identified in the literature for: (i) the treatment of water contaminated with heavy metals and emerging pollutants such as dyes and organics, (ii) the decontamination and remediation of soils, and (iii) the reduction in the number of suspended solids of a particulate matter (PM) type in the atmosphere. Because nanotechnology offers new horizons in materials science, nanocomposite tunable polymers are also studied and presented as promising materials in the context of developing sustainable and integrated products in society to ensure quality of life. As a class of future smart materials, the natural polymers and their nanocomposites are obtained from renewable resources, which are inexpensive materials with high surface area, porosity, and high adsorption properties due to their various functional groups. The information gathered in this review paper is based on the publications in the field from the last two decades. The future perspectives of these fascinating materials should take into account the scale-up, the toxicity of nanoparticles, and the competition with food production, as well as the environmental regulations.
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Al Sharabati M, Abokwiek R, Al-Othman A, Tawalbeh M, Karaman C, Orooji Y, Karimi F. Biodegradable polymers and their nano-composites for the removal of endocrine-disrupting chemicals (EDCs) from wastewater: A review. ENVIRONMENTAL RESEARCH 2021; 202:111694. [PMID: 34274334 DOI: 10.1016/j.envres.2021.111694] [Citation(s) in RCA: 98] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 07/08/2021] [Accepted: 07/12/2021] [Indexed: 06/13/2023]
Abstract
Endocrine-disrupting chemicals (EDCs) target the endocrine system by interfering with the natural hormones in the body leading to adverse effects on human and animal health. These chemicals have been identified as major polluting agents in wastewater effluents. Pharmaceuticals, personal care products, industrial compounds, pesticides, dyes, and heavy metals are examples of substances that could be considered endocrine active chemicals. In humans, these chemicals could cause obesity, cancer, Alzheimer's disease, autism, reproductive abnormalities, and thyroid problems. While in wildlife, dysfunctional gene expression could lead to the feminization of some aquatic organisms, metabolic diseases, cardiovascular risk, and problems in the reproductive system as well as its levels of hatchability and vitellogenin. EDCs could be effectively removed from wastewater using advanced technologies such as reverse osmosis, membrane treatment, ozonation, advanced oxidation, filtration, and biodegradation. However, adsorption has been proposed as a more promising and sustainable method for water treatment than any other reported technique. Increased attention has been paid to biodegradable polymers and their nano-composites as promising adsorbents for the removal of EDCs from wastewater. These polymers could be either natural, synthetic, or a combination of both. This review presents a summary of the most relevant cases where natural and synthetic biodegradable polymers have been used for the successful removal of EDCs from wastewater. It demonstrates the effectiveness of these polymers as favorable adsorbents for novel wastewater treatment technologies. Hitherto, very limited work has been published on the use of both natural and synthetic biodegradable polymers to remove EDCs from wastewater, as most of the studies focused on the utilization of only one type, either natural or synthetic. Therefore, this review could pave the way for future exploration of biodegradable polymers as promising and sustainable adsorbents for the removal of various types of pollutants from wastewater.
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Affiliation(s)
- Miral Al Sharabati
- Materials Science and Engineering PhD Program, American University of Sharjah, Sharjah, 26666, United Arab Emirates
| | - Raed Abokwiek
- Materials Science and Engineering PhD Program, American University of Sharjah, Sharjah, 26666, United Arab Emirates
| | - Amani Al-Othman
- Department of Chemical Engineering, American University of Sharjah, Sharjah, 26666, United Arab Emirates
| | - Muhammad Tawalbeh
- Department of Sustainable and Renewable Energy Engineering, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Ceren Karaman
- Department of Electricity and Energy, Akdeniz University, Antalya, 07070, Turkey.
| | - Yasin Orooji
- College of Materials Science and Engineering, Nanjing Forestry University, 159 Longpan Road, Nanjing, 210037, PR China
| | - Fatemeh Karimi
- Deparment of Chemical Engineering, Quchan University of Technology, Quchan, Iran.
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Graphene-Based Materials Immobilized within Chitosan: Applications as Adsorbents for the Removal of Aquatic Pollutants. MATERIALS 2021; 14:ma14133655. [PMID: 34209007 PMCID: PMC8269710 DOI: 10.3390/ma14133655] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 06/23/2021] [Accepted: 06/26/2021] [Indexed: 12/12/2022]
Abstract
Graphene and its derivatives, especially graphene oxide (GO), are attracting considerable interest in the fabrication of new adsorbents that have the potential to remove various pollutants that have escaped into the aquatic environment. Herein, the development of GO/chitosan (GO/CS) composites as adsorbent materials is described and reviewed. This combination is interesting as the addition of graphene to chitosan enhances its mechanical properties, while the chitosan hydrogel serves as an immobilization matrix for graphene. Following a brief description of both graphene and chitosan as independent adsorbent materials, the emerging GO/CS composites are introduced. The additional materials that have been added to the GO/CS composites, including magnetic iron oxides, chelating agents, cyclodextrins, additional adsorbents and polymeric blends, are then described and discussed. The performance of these materials in the removal of heavy metal ions, dyes and other organic molecules are discussed followed by the introduction of strategies employed in the regeneration of the GO/CS adsorbents. It is clear that, while some challenges exist, including cost, regeneration and selectivity in the adsorption process, the GO/CS composites are emerging as promising adsorbent materials.
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Fabrication of Reusable Carboxymethyl Cellulose/Graphene Oxide Composite Aerogel with Large Surface Area for Adsorption of Methylene Blue. NANOMATERIALS 2021; 11:nano11061609. [PMID: 34207483 PMCID: PMC8234820 DOI: 10.3390/nano11061609] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 06/11/2021] [Accepted: 06/15/2021] [Indexed: 11/16/2022]
Abstract
A highly efficient adsorbent for methylene blue (MB) adsorption was developed by combination of carboxymethyl cellulose (CMC) and graphene oxide (GO) via a simple one-step hydrothermal method. The as-synthesized CMC/GO composite aerogel has a mesoporous structure with an average pore diameter of 30 nm and a high specific surface area of 800.85 m2·g−1. Moreover, the CMC/GO composite aerogel demonstrates a significant selectivity for the dye adsorption, especially for MB, where its adsorption capacity can reach 244.99 mg·g−1 with an excellent recyclability for more than nine times. Thus, the prepared CMC/GO composite aerogel would be an effective adsorbent for dyes adsorption, owing to the merits of high efficiency, reusability, and eco-friendliness.
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Chitin- and Chitosan-Based Derivatives in Plant Protection against Biotic and Abiotic Stresses and in Recovery of Contaminated Soil and Water. POLYSACCHARIDES 2020. [DOI: 10.3390/polysaccharides1010003] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Biotic, abiotic stresses and their unpredictable combinations severely reduce plant growth and crop yield worldwide. The different chemicals (pesticides, fertilizers, phytoregulators) so far used to enhance crop tolerance to multistress have a great environmental impact. In the search of more eco-friendly systems to manage plant stresses, chitin, a polysaccharide polymer composed of N-acetyl-D-glucosamine and D-glucosamine and its deacetylated derivative chitosan appear as promising tools to solve this problem. In fact, these molecules, easily obtainable from crustacean shells and from the cell wall of many fungi, are non-toxic, biodegradable, biocompatible and able to stimulate plant productivity and to protect crops against pathogens. In addition, chitin and chitosan can act as bioadsorbents for remediation of contaminated soil and water. In this review we summarize recent results obtained using chitin- and chitosan-based derivatives in plant protection against biotic and abiotic stresses and in recovery of contaminated soil and water.
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Zhu W, Jiang X, Liu F, You F, Yao C. Preparation of Chitosan-Graphene Oxide Composite Aerogel by Hydrothermal Method and Its Adsorption Property of Methyl Orange. Polymers (Basel) 2020; 12:polym12092169. [PMID: 32972013 PMCID: PMC7570273 DOI: 10.3390/polym12092169] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/06/2020] [Accepted: 09/09/2020] [Indexed: 02/07/2023] Open
Abstract
Graphene based aerogel has become one of the most likely functional adsorption materials that is applicable to purify various contaminated water sources, such as dye wastewater, because of its high porosity, structural stability, large specific surface area, and high adsorption capacity. In this study, chitosan and graphene oxide were first selected as the matrix to prepare the composite hydrogel through the hydrothermal method, which was further frozen and dried to obtain the target aerogel. The microscopic structures and adsorption capacity of the composite aerogel were then characterized by Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), X-ray powder diffraction (XRD) and N2 (nitrogen) physical adsorption and desorption tests. The results show that the specific surface area of the composite aerogel was reached at 297.431 m2/g, which is higher than that of graphene oxide aerogel and chitosan aerogel. The aperture was reduced to about 3 nm. The adsorption rate of the composite aerogel for the methyl orange solution was as high as 97.2% at pH = 1, and the adsorption capacity was 48.6 mg/g. The adsorption process of the composite aerogel satisfies the Langmuir equation and can be described by the second-order adsorption kinetics. In addition, it is worth noting that this composite aerogel can provide a striking adsorption characteristic on methyl orange due to the combining effects from massive amino groups on chitosan and the structural conjugation of graphene oxide.
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Affiliation(s)
- Wei Zhu
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China; (W.Z.); (F.L.); (F.Y.); (C.Y.)
- The College of Post and Telecommunication of WIT, Wuhan 430073, China
| | - Xueliang Jiang
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China; (W.Z.); (F.L.); (F.Y.); (C.Y.)
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, Wuhan 430205, China
- Key Laboratory of Green Preparation and Application for Functional Materials, Ministry of Education, Hubei University, Wuhan 430062, China
- Correspondence: ; Tel.: +86-27-8719-5661
| | - Fangjun Liu
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China; (W.Z.); (F.L.); (F.Y.); (C.Y.)
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, Wuhan 430205, China
| | - Feng You
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China; (W.Z.); (F.L.); (F.Y.); (C.Y.)
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, Wuhan 430205, China
| | - Chu Yao
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China; (W.Z.); (F.L.); (F.Y.); (C.Y.)
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, Wuhan 430205, China
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Abstract
The widespread industrialization, urbanization, and technological development have triggered the daily release of considerable amounts of pollutants, specifically in aquatic environments. Previous research and work-studies indicate the existence of defined properties, such as low cost, non-toxicity, biodegradability, reusability, and easy synthesis, preparation or extraction, which make a material an ideal agent for the remediation of water or the environment. Therefore, the scientific community has focused on the development and study of several novels, environmentally friendly, and cost-effective materials. Cellulose is the most abundant natural polymer encountered worldwide. Thereby, due to the unique biological properties that this biopolymer possesses, it has emerged as a potential candidate to replace synthetic materials for practical bioremediation of contaminated water. Furthermore, the presence of hydroxyl groups on its surface makes this biopolymer highly malleable, thus significantly enhancing its physicochemical properties by using a wide variety of functional groups and modification methods. The present review describes the different biopolymers useful for remediation of environmental pollution, explores in more detail the characteristics of cellulose and its promising applications in the decontamination of water pollution, and pays special attention to the removal of heavy metal ions, dyes, and hydrophobic organic compounds.
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Affiliation(s)
- Bryan Aldaz
- School of Biological Sciences and Engineering, Yachay Tech University, Urcuquí, Ecuador, EC100650
| | - Freddy Figueroa
- School of Biological Sciences and Engineering, Yachay Tech University, Urcuquí, Ecuador, EC100650
| | - Isaac Bravo
- School of Biological Sciences and Engineering, Yachay Tech University, Urcuquí, Ecuador, EC100650
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17
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Mao J, Lin S, Lu XJ, Wu XH, Zhou T, Yun YS. Ion-imprinted chitosan fiber for recovery of Pd(II): Obtaining high selectivity through selective adsorption and two-step desorption. ENVIRONMENTAL RESEARCH 2020; 182:108995. [PMID: 31851945 DOI: 10.1016/j.envres.2019.108995] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 11/21/2019] [Accepted: 12/02/2019] [Indexed: 06/10/2023]
Abstract
Selective separation of platinum group metals from acidic solutions is of great importance due to their cumulative supply risk and environmental concern. In this study, a Pd(II) ion-imprinted chitosan fiber (ICF) was prepared as the novel adsorbent, and a well-designed two-step desorption process was implemented for selectively recovering Pd(II) from acidic solution containing Pd(II) and interfering metals of Co(II), Ni(II), Cu(II) and Pt (IV). The ICF showed higher selectivity for Pd(II) adsorption, comparing the non-imprinted chitosan fiber (NICF) towards other metals adsorption. The first selective desorption was achieved by NaOH solution, since only Pt (IV) adsorbed on the ICF in a small amount could be eluted, without any acting on Pd(II) ions. The second desorption process was carried out using acidified thiourea solution for the exclusive Pd(II) ions desorption. Therefore, much higher selective recovery of Pd(II) was achieved through ICF with a good selective adsorption performance and a well-designed desorption process. Furthermore, the mechanisms of selective adsorption and desorption were investigated by X-ray photoelectron spectra (XPS) and X-ray diffraction (XRD) analyses. Finally, ICF-packed column system was conducted using synthetic multiple metals solution and a practical hydrometallurgy wastewater as influent, respectively, with a good adsorption capacity of 87.2 mg g-1 and 94.2 mg g-1, resulting quite high concentrated effluent consisted of 97.4% of Pd(II) and 99.5% of Pd(II), respectively. It was opened up a promising designed material and technique for selectively recovering Pd(II) in the further practical large-scale application.
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Affiliation(s)
- Juan Mao
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Shuo Lin
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China; School of Chemical Engineering, Chonbuk National University, Jeonbuk, 54896, Republic of Korea
| | - Xie Juan Lu
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xiao Hui Wu
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Tao Zhou
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Yeoung-Sang Yun
- School of Chemical Engineering, Chonbuk National University, Jeonbuk, 54896, Republic of Korea.
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