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Zhang X, Gao C, Wang R, Aryee AA, Han R. Study on adsorption of salicylic acid and sulfosalicylic acid by MOF-sodium alginate gel beads obtained in a green way. Int J Biol Macromol 2023; 253:127535. [PMID: 37863135 DOI: 10.1016/j.ijbiomac.2023.127535] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/08/2023] [Accepted: 10/16/2023] [Indexed: 10/22/2023]
Abstract
A composite (ZS-UiO-66-NH2) zirconium crosslinked sodium alginate gel beads (ZS)-metal-organic skeleton (UiO-66-NH2) were prepared in this study through in-situ growth under simple, green and mild conditions for removal of the salicylic acid (SA) and sulfosalicylic acid (SSA) from water. The physicochemical properties of ZS-UiO-66-NH2 were characterized using various analytical methods. The influencing factors in the adsorption process including pH of solution, amount of adsorbent, coexisting ions, adsorption time, reaction temperature and equilibrium concentration of SA/SSA were performed in batch adsorption. The experimental results indicated that ZS-UiO-66-NH2 had high stability and could achieve efficient adsorption of SA/SSA in broad pH range (2-9) and salinity (0-0.2 mol·L-1). SA and SSA adsorbed on the composite at 293 K reached high values of 193 and 167 mg·g-1 from Langmuir model, respectively. Kinetic and isotherm studies demonstrated that the adsorption processes were mainly multilayer heterogeneous chemisorption. Thermodynamic data manifested that the two processes were exothermic and spontaneous with increasing entropy. ZS-UiO-66-NH2 can effectively remove SA/SSA from simulated wastewater under different pH and can be reused after elution with a NaHCO3 solution (5 mmol·L-1). The ZS-UiO-66-NH2 composite has great potential for removing SA/SSA from actual water bodies.
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Affiliation(s)
- Xiaoting Zhang
- College of Chemistry, Zhengzhou University, No 100 of Kexue Road, Zhengzhou, 450001, PR China
| | - Chenping Gao
- College of Chemistry, Zhengzhou University, No 100 of Kexue Road, Zhengzhou, 450001, PR China
| | - Rong Wang
- College of Chemistry, Zhengzhou University, No 100 of Kexue Road, Zhengzhou, 450001, PR China.
| | - Aaron Albert Aryee
- College of Chemistry, Zhengzhou University, No 100 of Kexue Road, Zhengzhou, 450001, PR China
| | - Runping Han
- College of Chemistry, Zhengzhou University, No 100 of Kexue Road, Zhengzhou, 450001, PR China.
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Bulin C. Combination mechanism of the ternary composite based on Fe 3O 4-chitosan-graphene oxide prepared by solvothermal method. Int J Biol Macromol 2023; 231:123337. [PMID: 36690233 DOI: 10.1016/j.ijbiomac.2023.123337] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 01/01/2023] [Accepted: 01/15/2023] [Indexed: 01/22/2023]
Abstract
Magnetic nanohybrid combining chitosan and graphene have demonstrated promising application in environmental remediation. Herein, ternary composite MCG based on Fe3O4, chitosan (CS) and graphene oxide (GO) was facilely prepared via solvothermal method. The as prepared composite was characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), Raman, Brunauer/Emmett/Teller-Barret/Joyner/Halenda (BET-BJH) and thermo gravimetric-differential thermal analysis (TG-DTA). The combination mechanism of MCG was unveiled via employing the hard-soft acid-base (HSAB) theory and spectroscopic investigations including X-ray photoelectron spectroscopy (XPS), Ultraviolet-visible (UV-Vis) and fluorescent emission spectra. Particularly, combination mechanism of MCG was elucidated by the probable site to site interaction of the couplet components in MCG, as follows. (1) CS-Fe3O4. The primary interaction is N(NH2)-Fe(III), electron donates from N to Fe, transforming one half of the amino groups of chitosan into positive N+. (2) GO-CS. Amidation reaction is the primary interaction form, converting the other half of the amino groups of chitosan into -C(O)NH-. (3) GO-Fe3O4. Dominant interactions are those of epoxy, hydroxyl and aromatic ring with Fe(III). Moreover, MCG exhibits fair adsorption performance on divalent heavy metals in six consecutive cycles. These explorations may shed light on the design of efficient adsorbent based on Fe3O4-chitosan-graphene architecture.
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Affiliation(s)
- Chaoke Bulin
- College of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, PR China.
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3
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Rout DR, Jena HM, Baigenzhenov O, Hosseini-Bandegharaei A. Graphene-based materials for effective adsorption of organic and inorganic pollutants: A critical and comprehensive review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 863:160871. [PMID: 36521616 DOI: 10.1016/j.scitotenv.2022.160871] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/06/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
Water scarcity has been felt in many countries and will become a critical issue in the coming years. The release of toxic organic and inorganic contaminants from different anthropogenic activities, like mining, agriculture, industries, and domestic households, enters the natural waterbody and pollutes them. Keeping this in view in combating the environmental crises, removing pollutants from wastewater is one of the ongoing environmental challenges. Adsorption technology is an economical, fast, and efficient physicochemical method for removing both organic and inorganic pollutants, even at low concentrations. In the last decade, graphene and its composite materials have become the center of attraction for numerous applications, including wastewater treatment, due to the large surface area, highly active surface, and exclusive physicochemical properties, which make them potential adsorbents with unique physicochemical properties, like low density, chemical strength, structural variability, and the possibility of large-scale fabrications. This review article provides a thorough summary/critical appraisal of the published literature on graphene-, GO-, and rGO-based adsorbents for the removal of organic and inorganic pollutants from wastewater. The synthesis methods, experimental parameters, adsorption behaviors, isotherms, kinetics, thermodynamics, mechanisms, and the performance of the regeneration-desorption processes of these substances are scrutinized. Finally, the research challenges, limitations, and future research studies are also discussed. Certainly, this review article will benefit the research community by getting substantial information on suitable techniques for synthesizing such adsorbents and utilizing them in water treatment and designing water treatment systems.
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Affiliation(s)
- Dibya Ranjan Rout
- Department of Chemical Engineering, National Institute of Technology, Rourkela 769008, Orissa, India.
| | - Hara Mohan Jena
- Department of Chemical Engineering, National Institute of Technology, Rourkela 769008, Orissa, India.
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Ma Y, Wang R, Gao C, Han R. Carbon nanotube-loaded copper-nickel ferrite activated persulfate system for adsorption and degradation of oxytetracycline hydrochloride. J Colloid Interface Sci 2023; 640:761-774. [PMID: 36905888 DOI: 10.1016/j.jcis.2023.03.001] [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: 01/27/2023] [Revised: 02/23/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023]
Abstract
In this study, a new composite (MWCNTs-CuNiFe2O4) prepared by loading magnetic CuNiFe2O4 particles onto carboxylated carbon nanotubes (MWCNTs) through co-precipitation was applied to remove oxytetracycline hydrochloride (OTC-HCl) in solution. The magnetic properties of this composite could address of the issue of difficulty associated with the separation of MWCNTs from mixtures when applied as an adsorbent. In addition to the good adsorption properties recorded for MWCNTs-CuNiFe2O4 towards OTC-HCl, this developed composite could be used to activate potassium persulfate (KPS) for an efficient degradation of OTC-HCl. The MWCNTs-CuNiFe2O4 was systematically characterized using Vibrating Sample Magnetometer (VSM), Electron Paramagnetic Resonance (EPR) and X-ray Photoelectron Spectroscopy (XPS). The influence of dose of MWCNTs-CuNiFe2O4, the initial pH, the amount of KPS and the reaction temperature on the adsorption and degradation of OTC-HCl by MWCNTs-CuNiFe2O4 were discussed. The adsorption and degradation experiments showed that MWCNTs-CuNiFe2O4 exhibited an adsorption capacity of 270 mg·g-1 for OTC-HCl with the removal efficiency 88.6% at 303 K (at an initial pH 3.52, 5 mg KPS, 10 mg composite, 10 mL reaction concentration 300 mg·L-1 of OTC-HCl). The Langmuir and Koble-Corrigan models were used to describe the equilibrium process while the Elovich equation and Double constant model were suitable to describe the kinetic process. The adsorption process was based on single-molecule layer reaction and non-homogeneous diffusion process. The mechanisms of adsorption were complexation and hydrogen bond whereas active species such as SO4‧-, ‧OH and 1O2 were confirmed to have played a major role in the degradation of OTC-HCl. The composite was also found to be very stable with good reusability property. These results confirm the good potential associated with the use of MWCNTs-CuNiFe2O4/KPS system for the removal of some typical pollutants from wastewater.
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Affiliation(s)
- Yuting Ma
- College of Chemistry, Zhengzhou University, No 100 of Kexue Road, Zhengzhou 450001, China.
| | - Rong Wang
- College of Chemistry, Zhengzhou University, No 100 of Kexue Road, Zhengzhou 450001, China.
| | - Chenping Gao
- College of Chemistry, Zhengzhou University, No 100 of Kexue Road, Zhengzhou 450001, China
| | - Runping Han
- College of Chemistry, Zhengzhou University, No 100 of Kexue Road, Zhengzhou 450001, China.
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Queiroz RN, da Silva MGC, Mastelaro VR, Prediger P, Vieira MGA. Adsorption of naphthalene polycyclic aromatic hydrocarbon from wastewater by a green magnetic composite based on chitosan and graphene oxide. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:27603-27621. [PMID: 36383320 DOI: 10.1007/s11356-022-24198-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 11/09/2022] [Indexed: 06/16/2023]
Abstract
A green magnetic composite mCS/GO was synthesized using water hyacinth extract, as a reducing agent, and proanthocyanidin, as a crosslinking agent, for the adsorption of naphthalene from effluents. The green composite was evaluated using different characterization techniques to determine its thermal (TG/DTG), structural (BET, XPS and FTIR), crystallographic (XRD), and textural (SEM) properties in natura and post-adsorption. The results obtained through a central composite design (CCD) experiment indicated that the initial concentration of NAP and the adsorbent dosage are significant for the adsorption capacity. The adsorption assays indicated that physisorption, through π-π and hydrophobic interactions, were the main mechanism involved in the NAP adsorption. However, the adjustment to the PSO and Freundlich models, obtained through kinetic and equilibrium studies, indicated that chemisorption also influences the adsorptive process. The thermodynamic study indicated physisorption as the mechanism responsible for the NAP adsorption. Also, the adsorbent has high affinity for the adsorbate and the process is spontaneous and endothermic. The maximum adsorption capacity (qmax) of the green mCS/GO was 334.37 mg g-1 at 20 °C. Furthermore, the green mCS/GO was effectively regenerated with methanol and reused for five consecutive cycles, the percentage of NAP recovery went from approximately 91 to 75% after the fifth cycle. The green composite was also applied in the adsorption of NAP from river water samples, aiming to evaluate the feasibility of the method in real applications. The adsorption efficiency was approximately 70%. From what we know, this it is the first time that a green adsorbent was recycled after the polycyclic aromatic hydrocarbon (PAHs) adsorption process.
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Affiliation(s)
- Ruth Nóbrega Queiroz
- Process and Product Development Department, School of Chemical Engineering, University of Campinas - UNICAMP, Albert Einstein Avenue, Campinas, São Paulo, 50013083-852, Brazil
| | - Meuris Gurgel Carlos da Silva
- Process and Product Development Department, School of Chemical Engineering, University of Campinas - UNICAMP, Albert Einstein Avenue, Campinas, São Paulo, 50013083-852, Brazil
| | - Valmor Roberto Mastelaro
- São Carlos Institute of Physics, University of São Paulo, Av. Trabalhador São Carlense, São Carlos, SP, 40013566-590, Brazil
| | - Patricia Prediger
- School of Technology, University of Campinas - UNICAMP, Limeira, São Paulo, 13484-332, Brazil
| | - Melissa Gurgel Adeodato Vieira
- Process and Product Development Department, School of Chemical Engineering, University of Campinas - UNICAMP, Albert Einstein Avenue, Campinas, São Paulo, 50013083-852, Brazil.
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6
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Zhang S, Tan M, Du S, Leng W, Wu D. Base-metal oxide semiconductor electrodes for PPCP degradation: Ti-doped α-Fe 2O 3 for sulfosalicylic acid oxidation as an example. CHEMOSPHERE 2023; 313:137354. [PMID: 36435321 DOI: 10.1016/j.chemosphere.2022.137354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/14/2022] [Accepted: 11/20/2022] [Indexed: 06/16/2023]
Abstract
Sulfosalicylic acid is a typical pharmaceutical and personal care product with high toxicity, environmental persistence, and low biodegradability. Electrochemical oxidation has been demonstrated to be a promising way for hazardous organics treatment, but it is severely limited by the high cost and resource shortage of electrode materials. Base-metal oxide semiconductor anodes have the merits of low cost, diversity, and tunable energy levels for charge transfer, and thus may be alternatives to the electrodes for wastewater treatment. Herein, we found that Ti-doped α-Fe2O3, as an example, could be efficient for sulfosalicylic acid oxidation, reaching comparable faraday efficiency of sulfosalicylic acid to that of the boron-doped diamond electrode. Ti-doped electrodes exhibited both higher removal rates and current efficiency compared to the undoped. This could be mainly ascribed to the enhanced charge transfer rate constant. Kinetic analysis shows that the apparent reaction order, in terms of sulfosalicylic acid in bulk solution, depended on applied potential and pollutant concentration. Mechanism study shows that the oxidation of sulfosalicylic acid was mainly through indirect pathway. Moreover, the oxidation products were determined and the oxidation mechanism was proposed. This study may open a door to employ base-metal oxide semiconductor anodes for the efficient treatment of organic wastewater.
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Affiliation(s)
- Shuchi Zhang
- College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, China
| | - Mengyu Tan
- College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, China
| | - Shuwen Du
- College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, China
| | - Wenhua Leng
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Donglei Wu
- College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, China.
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Hu J, Yi Q, Xiao Z, Tian F, Shu T, Liu X, Wang Y, Li L, Zhou J. Synthesis of bimetal MOFs for rapid removal of doxorubicin in water by advanced oxidation method. RSC Adv 2022; 12:35666-35675. [PMID: 36545067 PMCID: PMC9748979 DOI: 10.1039/d2ra06623h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 11/30/2022] [Indexed: 12/15/2022] Open
Abstract
Doxorubicin (DOX) has been an emerging environmental pollutant due to its significant genotoxicity to mankind. Advanced oxidation processes are a potential strategy to remove DOX in water solution. To develop a highly efficient catalytic agent to remove DOX, bimetal MOFs were synthesized, with Cu2+ and Co2+ as the central ions and adenine as the organic ligand. This study investigated the degradation of DOX by Co/Cu-MOFs combined with peroxymonosulfate (PMS). It was found that the degradation of DOX by Co/Cu-MOFs can reach 80% in only 10 seconds. This can be explained by the charge transfer from Co(iii) to Co(ii) being accelerated by Cu2+, resulting in the rapid generation of free radicals, which was proved by the EIS Nyquist diagram. Co/Cu-MOFs can be reused by simply washing with water without inactivation. Therefore, Co/Cu-MOFs can be used as an efficient catalytic agent to degrade DOX in environmental water.
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Affiliation(s)
- Junhao Hu
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Function Molecules, Hubei University430062China
| | - Qiong Yi
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Function Molecules, Hubei University430062China
| | - Ziyi Xiao
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Function Molecules, Hubei University430062China
| | - Feng Tian
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Function Molecules, Hubei University430062China
| | - Tingting Shu
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Function Molecules, Hubei University430062China
| | - Xiaolan Liu
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Function Molecules, Hubei University430062China
| | - Yingxi Wang
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Function Molecules, Hubei University430062China
| | - Ling Li
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Function Molecules, Hubei University430062China
| | - Jiangang Zhou
- Faculty of Resources and Environmental Science, Hubei University430062China
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Poly(amidoxime)-graft-magnetic chitosan for highly efficient and selective uranium extraction from seawater. Carbohydr Polym 2022; 301:120367. [DOI: 10.1016/j.carbpol.2022.120367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 11/07/2022] [Accepted: 11/15/2022] [Indexed: 11/22/2022]
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Teng Y, Zhu J, Xiao S, Ma Z, Huang T, Liu Z, Xu Y. Exploring chitosan-loaded activated carbon fiber for the enhanced adsorption of Pb(II)-EDTA complex from electroplating wastewater in batch and continuous processes. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121659] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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10
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The modification of collagen with biosustainable POSS graft oxidized sodium alginate composite. Int J Biol Macromol 2022; 200:557-565. [PMID: 35066021 DOI: 10.1016/j.ijbiomac.2022.01.105] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/15/2022] [Accepted: 01/17/2022] [Indexed: 12/14/2022]
Abstract
As a kind of renewable biological resource, leather collagen is the raw material of leather industry. The chrome tanning modified collagen has high humidity and heat resistance, but there are some defects such as environmental pollution, harm to human health and shortage of chromium resources, so it is urgent to research chromium-free tanning to achieve clean modified colloidal. In the chromium-free tanning system, the modification of skin fibrin by bio-based material has the significance of environmental protection. Sodium alginate can be used as crosslinking agent to stabilize collagen. In this study, the polyhedral oligomeric silsesquioxane (POSS) grafted oxidized sodium alginate polymer composite (POSS-OSA-MAA) containing aldehyde group was prepared by two steps. Firstly, POSS grafted sodium alginate polymer composite (POSS-SAG-MAA) was prepared by graft polymerization with POSS, sodium alginate (SAG) and methacrylic acid (MAA) as raw materials. Then POSS-OSA-MAA was obtained by oxidation of POSS-SAG-MAA with sodium periodate. The aldehyde group highest concentration in POSS-OSA-MAA was 3.26 mmol•g-1, and the tanned leather shrinkage temperature was 73.1 °C. The X-ray photoelectron spectroscopy showed that POSS-OSA-MAA could form Schiff base structure with amino-containing substances and form multiple points crosslinking, and POSS-OSA-MAA could improve the shrinkage temperature and thermal stability of skin collagen.
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