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Yan Z, Jiang S, Meng L, Lou Y, Xi J, Xiao H, Wu W. Self-supporting and hierarchical porous membrane of bacterial nanocellulose@metal-organic framework for ultra-high adsorption of Congo red. Int J Biol Macromol 2024; 277:134277. [PMID: 39089537 DOI: 10.1016/j.ijbiomac.2024.134277] [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: 05/06/2024] [Revised: 07/12/2024] [Accepted: 07/27/2024] [Indexed: 08/04/2024]
Abstract
The widespread use of synthetic dyes has serious implications for both the environment and human health. Therefore, there is an urgent need for the development of novel, high-efficiency adsorbents for these dyes. In this study, a Zirconium-based metal-organic framework (MOF) with controllable morphology was in-situ grown on bacterial nanocellulose (BC) via a solvothermal method. The resulting BC@MOF composite nanofibers have a high specific surface area of 651 m2/g and can be assembled into a self-supported porous membrane (BMMCa) through vacuum filtration with the assistance of calcium ions. The addition of Ca(II) significantly enhanced the mechanical properties of the membrane through dispersion effect and electrostatic interactions, as well as enhancing its adsorption performance through the salting-out effect. The BMMCa membrane, with its hierarchical porous structure and high flux, exhibits high selectivity for Congo red (CR) with an ultra-high adsorption capacity of 3518.6 mg/g. Furthermore, the self-supporting membrane achieved rapid and convenient removal of CR through circulating filtration adsorption. The adsorption mechanism and selectivity were verified through the molecular dynamics simulation calculations by Materials Studio (MS) software. This membrane-based adsorbent, with its ultra-high adsorption capacity, good selectivity, and recycling ability, has great potential for practical wastewater treatment applications.
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Affiliation(s)
- Zifei Yan
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Shan Jiang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Liucheng Meng
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Yanling Lou
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Jianfeng Xi
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, Fredericton, NB E3B 5A3, Canada
| | - Weibing Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
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Almahri A, El-Metwaly NM. Enhancing methyl violet 2B pollutant removal from wastewater using Al-MOF encapsulated with poly (itaconic acid) grafted crosslinked chitosan composite sponge: Synthesis, characterization, DFT calculation, adsorption optimization via Box-Behnken Design. Int J Biol Macromol 2024; 276:133909. [PMID: 39025186 DOI: 10.1016/j.ijbiomac.2024.133909] [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: 04/27/2024] [Revised: 07/08/2024] [Accepted: 07/14/2024] [Indexed: 07/20/2024]
Abstract
In this research, aluminum metal-organic framework encapsulated with poly (itaconic acid) grafted crosslinked chitosan composite sponge (Al-MOF@PIC) was prepared. SEM, FTIR, XPS, XRD, and BET techniques were employed to thoroughly characterize the synthesized material and establish its structure and characteristics. The study discovered that the Al-MOF@PIC is an efficient way to remove dyes, which constitute a significant number of contaminants in industrial wastewater. Subsequently the adsorption of methyl violet 2B (MV-2B) dye, the surface area, pore size, and pore volume of the adsorbent decreased from 1860.68 m2/g, 1.62 nm, and 1.52 cc/g to 1426.45 m2/g, 1.11 nm, and 0.92 cc/g, individually. This modification suggested that a portion of the MV-2B dye had been removed by adsorption over the adsorbent's pores. The excellent adsorption capacity of the material was further confirmed by batch adsorption tests, which displayed a maximum adsorption capability of 646.76 mg/g for the elimination of MV-2B dye. The high adsorption energy of 26.8 kJ/mol designates that chemisorption is primarily responsible for MV-2B dye adsorption against the sponge adsorbent. The Al-MOF@PIC composite sponge demonstrated exceptional reusability over six cycles, demonstrating its strength and durability. The Al-MOF@PIC composite sponge successfully removes MV-2B from water by pore filling, π-π stacking, hydrogen bonding, and electrostatic interactions, which are the key mechanisms behind the adsorption of the dye pollutant. Its potential for practical applications is further demonstrated using Box Behnken-design (BBD) to optimize the adsorption consequences.
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Affiliation(s)
- Albandary Almahri
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia.
| | - Nashwa M El-Metwaly
- Department of Chemistry, Faculty of Science, Umm Al Qura University, Makkah 24230, Saudi Arabia; Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, Egypt.
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3
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Ghubayra R, Mousa I, Madkhali MMM, Alaghaz ANMA, Elsayed NH, El-Bindary AA. Synthesis and characterization of a novel TiO 2@chitosan/alginate nanocomposite sponge for highly efficient removal of As(V) ions from aqueous solutions: Adsorption isotherm, kinetics, experiment and adsorption mechanism optimization using Box-Behnken design. Int J Biol Macromol 2024; 275:133513. [PMID: 38955292 DOI: 10.1016/j.ijbiomac.2024.133513] [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: 03/19/2024] [Revised: 06/07/2024] [Accepted: 06/26/2024] [Indexed: 07/04/2024]
Abstract
This research uses a novel TiO2@CSC.Alg composite sponge was created by encasing TiO2 nanoparticles in the natural polymers alginate and chitosan, resulting in a nanocomposite that is both ecologically friendly and biocompatible. Using the generated nanocomposite as a new environmentally friendly adsorbent, As(V) heavy metal ions were effectively removed from aqueous media. The following techniques were used to analyse the physicochemical properties of the obtained materials: pHZPC, FTIR, XRD, BET, SEM, and XPS. Utilizing nitrogen adsorption/desorption isotherms, the TiO2@CSC.Alg composite sponge's textural properties were identified. This revealed a BET surface area of 168.42 m2/g and a total pore volume of 1.18 cc/g, indicating its porous nature and potential for high adsorption capacity. Examine the effects of temperature, pH, dose, and beginning concentration on adsorption. The adsorption characteristics were determined based on equilibrium and adsorption kinetics measurements. The adsorption process was both pseudo-second-order (PSOE) and Langmuir isothermally fit. Chemisorption was the adsorption method since the adsorption energy was 25.45 kJ·mol-1. An endothermic and spontaneous adsorption process was indicated by more metal being absorbed as the temperature increased. The optimal conditions for adsorption were optimized via Box-Behnken design software to be pH of 5 in the solution, a dosage of 0.02 g of the TiO2@CSC.Alg composite sponge per 25 mL, and an arsenate (As(V)) solution the adsorption capacity was 202.27 mg/g are ideal for efficient adsorption. These parameters are critical in achieving the maximum adsorption capacity of the composite sponge for arsenate, which could be beneficial for water purification applications. Utilizing Design-Expert software's response surface methodology (RSM) and Box-Behnken design (BBD), the adsorption process was optimized with the fewest planned tests. After six successive cycles of adsorption and desorption, the adsorbent stability was confirmed by the adsorbent reusability test without any noticeable decrease in removal efficacy. Additionally, it displayed good efficiency, the same XRD and XPS data before and after reuse, and no change in chemical composition.
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Affiliation(s)
- Reem Ghubayra
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Saudi Arabia; Nanotechnology research unit, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Saudi Arabia
| | - Ibtisam Mousa
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Saudi Arabia; Nanotechnology research unit, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Saudi Arabia
| | - Marwah M M Madkhali
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Saudi Arabia; Nanotechnology research unit, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Saudi Arabia
| | - Abdel-Nasser M A Alaghaz
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Saudi Arabia; Nanotechnology research unit, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Saudi Arabia.
| | - Nadia H Elsayed
- Organic Chemistry Research Laboratory, Department of Chemistry, Faculty of Science, University of Tabuk, Tabuk, Saudi Arabia
| | - Ashraf A El-Bindary
- Chemistry Department, Faculty of Science, Damietta University, Damietta 34517, Egypt.
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Al-Hazmi GH, Albedair LA, Alatawi RAS, Alnawmasi JS, Alsuhaibani AM, El-Desouky MG. Enhancing trimethoprim pollutant removal from wastewater using magnetic metal-organic framework encapsulated with poly (itaconic acid)-grafted crosslinked chitosan composite sponge: Optimization through Box-Behnken design and thermodynamics of adsorption parameters. Int J Biol Macromol 2024; 268:131947. [PMID: 38685542 DOI: 10.1016/j.ijbiomac.2024.131947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 04/17/2024] [Accepted: 04/26/2024] [Indexed: 05/02/2024]
Abstract
Trimethoprim (TMP), an antibiotic contaminant, can be effectively removed from water by using the innovative magnetic metal-organic framework (MOF) composite sponge Fe3O4@Rh-MOF@PIC, which is shown in this study. The composite is made up of magnetite (Fe3O4) nanoparticles and a rhodium MOF embedded in a poly(itaconic acid) grafted chitosan matrix. The structure and characteristics of the synthesized material were confirmed by thorough characterization employing SEM, FTIR, XPS, XRD, and BET techniques. Notably, the composite shows a high magnetic saturation of 64 emu g-1, which makes magnetic separation easier, according to vibrating sample magnetometry. Moreover, BET analysis revealed that the Fe3O4@Rh-MOF@PIC sponge had an incredibly high surface area of 1236.48 m2/g. Its outstanding efficacy was confirmed by batch adsorption tests, which produced a maximum adsorption capacity of 391.9 mg/g for the elimination of TMP. Due to its high porosity, magnetic characteristics, and superior trimethoprim uptake, this magnetic MOF composite sponge is a promising adsorbent for effective removal of antibiotics from contaminated water sources. An adsorption energy of 24.5 kJ/mol was found by batch investigations on the Fe3O4@Rh-MOF@PIC composite sponge for trimethoprim (TMP) adsorption. The fact that this value was up 8 kJ/mol suggests that the main mechanism controlling TMP absorption onto the sponge adsorbent is chemisorption. Chemisorption requires creating strong chemical interactions between adsorbate and adsorbent surface groups, unlike weaker physisorption. The magnetic composite sponge exhibited strong removal capabilities and high adsorption capacities for the antibiotic pollutant. The Fe3O4@Rh-MOF@PIC composite sponge also showed magnetism, which allowed for easy magnetic separation after adsorption. Over the course of 6 cycles, it showed outstanding reusability, and XRD confirmed that its composition was stable. The high surface area MOF's pore filling, hydrogen bonding, π-π stacking, and electrostatic interactions were the main trimethoprim adsorption mechanisms. This magnetic composite is feasible and effective for removing antibiotics from water because of its separability, reusability, and synergistic adsorption mechanisms via electrostatics, H-bonding, and π-interactions. The adsorption results were optimized using Box Behnken-design (BBD).
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Affiliation(s)
- Ghaferah H Al-Hazmi
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Lamia A Albedair
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Raedah A S Alatawi
- Department of Chemistry, Faculty of Science, University of Tabuk, Tabuk 71421, Saudi Arabia
| | - Jawza Sh Alnawmasi
- Department of Chemistry, College of Science, Qassim University, Buraydah 51452, Qassim, Saudi Arabia
| | - Amnah Mohammed Alsuhaibani
- Department of Physical Sports Sciences, College of Sports Sciences & Physical Activity, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
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Fan C, Liu Y, Fan S, Liang Z, Zhang W, Zhang Y, Gan T, Hu H, Huang Z, Qin Y. Fabrication of a poly(N-isopropylacrylamide)-grafted alginate composite aerogel for efficient treatment of emulsified oily wastewater. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133381. [PMID: 38171201 DOI: 10.1016/j.jhazmat.2023.133381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 11/26/2023] [Accepted: 12/25/2023] [Indexed: 01/05/2024]
Abstract
The treatment of emulsion wastewater poses significant challenges. In this study, a novel porous material, namely esterified bagasse/poly(N, N-dimethylacrylamide)/sodium alginate (SBS/PDMAA/Alg) aerogel, was developed for efficient demulsification and oil recovery. By grafting a poly(N-isopropylacrylamide) (PNIPAM) brush onto the SBS/PDMAA/Alg skeleton through free radical polymerization, the resulting aerogel exhibits both surface charge and a molecular brush structure. The aerogel demonstrates remarkable demulsification efficiency for cationic surfactant-stabilized emulsions at various concentrations, achieving a demulsification efficiency of 95.6% even at an oil content of 100 g L-1. Furthermore, the molecular brush structure extends the application range of the aerogel, enabling a demulsification efficiency of 98.3% for anionic and non-ionic surfactant-stabilized emulsions. The interpenetrating polymer network (IPN) structure formed by SBS, PDMAA, and alginate enhances the mechanical stability of the aerogel, enabling a demulsification efficiency of 91.3% even after 20 repeated cycles. The demulsification ability of the composite aerogel is attributed to its surface charge, high interfacial activity, and unique brush-like structure. A demulsification mechanism based on the synergistic effect of surface charge and molecular brush is proposed to elucidate the efficient demulsification process.
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Affiliation(s)
- Chao Fan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Yiping Liu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Songlin Fan
- Shenzhen Changlong Technology Company limited, Shenzhen 518116, China; School of Environmental Science and Engineering, Nankai University, Tianjing 300350, China.
| | - Zirong Liang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Wuxiang Zhang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Yanjuan Zhang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Tao Gan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Huayu Hu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Zuqiang Huang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China.
| | - Yuben Qin
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
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6
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Al-Hazmi GAAM, Alayyafi AA, El-Desouky MG, El-Bindary AA. Chitosan-nano CuO composite for removal of mercury (II): Box-Behnken design optimization and adsorption mechanism. Int J Biol Macromol 2024; 261:129769. [PMID: 38286363 DOI: 10.1016/j.ijbiomac.2024.129769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 12/22/2023] [Accepted: 01/24/2024] [Indexed: 01/31/2024]
Abstract
The study aimed to develop an adsorbent for extracting mercury (II) from water by combining chitosan beads with green copper oxide nanoparticles. This resulted in the synthesis of the CuO NPs@CSC composite sponge, achieved by loading CuO NPs onto citrate-crosslinked chitosan (CSC). Characterization involved X-ray diffraction, X-ray photoelectron spectroscopy, Fourier-transform infrared spectroscopy, and scanning electron microscopy. The BET method confirmed a higher surface area of the adsorbent at 285.55 m2/g, suggesting its potential for effective mercury (II) removal from water. This research aligns with broader efforts in environmental science and nanotechnology to create advanced materials for water purification. The characterization techniques ensure the suitability of the synthesized material for its intended application, and the significant surface area enhances its capacity for contaminant adsorption. The study investigated the impact of adsorbent dosage, pH, and initial Hg (II) concentration on mercury (II) adsorption. Results showed a fit with the pseudo-second-order kinetic model and Langmuir adsorption isotherm model. Using the Dubinin-Radushkevich model (adsorption energy: 22.74 kJ mol-1), chemisorption was identified. Notably, the adsorption process was found to be endothermic, indicating that higher temperatures led to increased removal capacity and related parameters. This temperature influence was explored systematically. Additionally, the study concluded that the adsorption reaction was spontaneous, evidenced by a positive entropy change. This analysis contributes valuable insights into the thermodynamics and kinetics of mercury (II) adsorption in the studied system. The CuO NPs@CSC composite sponge achieved an impressive adsorption capacity of 672 mg/g. Even after five consecutive cycles, it maintained strong adsorption capabilities with 84.5 % removal efficiency. Remarkably, over six reuse cycles, there were no observable changes in chemical composition, and XRD peaks remained consistent before and after each cycle. The study delved into the interaction mechanism between the CuO NPs@CSC composite sponge and heavy metals. Utilizing the Box-Behnken design (BBD), the adsorption process was optimized for enhanced efficiency.
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Affiliation(s)
- Gamil A A M Al-Hazmi
- Department of Chemistry, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, Saudi Arabia
| | - AbdulAziz A Alayyafi
- Department of Chemistry, University College in Al-Qunfudhah, Umm Al-Qura University, Saudi Arabia
| | | | - Ashraf A El-Bindary
- Chemistry Department, Faculty of Science, Damietta University, Damietta 34517, Egypt
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Al-Ahmed ZA, Alhasani M, Aljohani MM, Snari RM, Alghasham HA, Alatawi NM, Keshk AA, El-Metwaly NM. Facile synthesis of new metal-organic framework/chitosan composite sponge for Hg(II) removal: Characterization, adsorption efficiency, and optimization using Box-Behnken design. Int J Biol Macromol 2024; 259:129282. [PMID: 38199550 DOI: 10.1016/j.ijbiomac.2024.129282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 12/30/2023] [Accepted: 01/04/2024] [Indexed: 01/12/2024]
Abstract
The objective of this research was to develop a novel adsorbent to eliminate mercury (Hg(II)) from water. A unique citrate-crosslinked La-MOF/citrate crosslinked chitosan composite sponge (La-MOF@CSC composite sponge) was successfully synthesized in an acidic environment using a one-step technique. Modifying the composition of adsorbent materials is a commonly employed strategy to enhance adsorption capacity, particularly for materials composed of metal-organic frameworks. The study investigated the impact of the composite sponge on the adsorption and removal of Hg(II). The composite sponge exhibited a maximum adsorption capacity (qmax) for Hg(II) at 765.22 mg/g and an impressive high surface area of 1208 m2/g. Various factors influencing the adsorption capacity were taken into account in this study. The adsorption isotherm and kinetics were modeled using Langmuir and pseudo-second-order equations, respectively. Consistent with thermodynamics, the adsorption process was identified as spontaneous and endothermic. The quantities of adsorbed substances increased with rising temperature. The La-MOF@CSC composite sponge demonstrated the ability to be reused up to five times with satisfactory efficiency, retaining its chemical composition and exhibiting similar XRD and XPS data before and after each reuse. The interaction between heavy metals and the La-MOF/CSC composite sponge was examined. Optimization of the adsorption outcomes was conducted using the Box-Behnken design (BBD).
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Affiliation(s)
- Zehbah A Al-Ahmed
- Department of Chemistry, College of sciences and art, Dhahran Aljounb, King Khalid University, Saudi Arabia
| | - Mona Alhasani
- Department of Chemistry, Faculty of Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Meshari M Aljohani
- Department of Chemistry, College of Science, University of Tabuk, 71474 Tabuk, Saudi Arabia
| | - Razan M Snari
- Department of Chemistry, Faculty of Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Hawra A Alghasham
- Department of Physics, faculty of Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Nada M Alatawi
- Department of Chemistry, College of Science, University of Tabuk, 71474 Tabuk, Saudi Arabia
| | - Ali A Keshk
- Department of Chemistry, College of Science, University of Tabuk, 71474 Tabuk, Saudi Arabia
| | - Nashwa M El-Metwaly
- Department of Chemistry, Faculty of Sciences, Umm Al-Qura University, Makkah, Saudi Arabia; Department of Chemistry, Faculty of Science, Mansoura University, El-Gomhoria Street 35516, Egypt.
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Ren K, Fan Y, Xing G, Zhai M, Sheng J, Song Y. Rapid and convenient synthesis of "green" ammonium-modified chitosan composite sponge with the existence of ascorbic acid for highly efficient removal of Congo red (CR). Carbohydr Polym 2024; 324:121444. [PMID: 37985072 DOI: 10.1016/j.carbpol.2023.121444] [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: 06/19/2023] [Revised: 09/13/2023] [Accepted: 09/27/2023] [Indexed: 11/22/2023]
Abstract
In this study, a new green composite sponge made of chitosan and modified with ammonium ascorbate (ACS-CIT) was synthesized in just 10 min. Compared with CS-CIT (sponge prepared from acetic acid), ACS-CIT exhibits significantly enhanced adsorption performance for CR, with the saturated adsorption capacities increased from 353.667 to 1261.639 mg·g-1. The adsorption mechanism can be summarized as the generation of more hydrogen bonds, electrostatic attraction, and intra particle diffusion, revealing the addition of ascorbic acid introduced more hydroxyl groups, thereby enhancing the hydrogen bonding force, and the ammonium modification of chitosan improved the electrostatic attraction of the material, resulting in a significant increase in its adsorption capacity. Additionally, the prepared ACS-CIT showed excellent CR removal performance even in the presence of multiple interfering factors coexisting in the simulated wastewater, and the adsorption capacity remained stable after at least five cycles. Furthermore, the maximum bed capacity of ACS-CIT for CR is 1152.829 mg·g-1 under the given conditions of a flow rate of 1 mL·min-1, inlet concentration of 150 mg·L-1, a bed height of 1 cm respectively, and the breakthrough curve followed the Thomas model. The results indicated the eco-friendly and recyclable ACS-CIT is a promising adsorbent for CR dye removal in water.
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Affiliation(s)
- Keyu Ren
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, PR China
| | - Yanan Fan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, PR China
| | - Guozheng Xing
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, PR China
| | - Mengge Zhai
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, PR China
| | - Jie Sheng
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, PR China; Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China; Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Rural Affairs, Shanghai 201306, China.
| | - Yishan Song
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, PR China; Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China; Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Rural Affairs, Shanghai 201306, China.
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Elsherbiny AS, Rady A, Abdelhameed RM, Gemeay AH. Efficiency and selectivity of cost-effective Zn-MOF for dye removal, kinetic and thermodynamic approach. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:106860-106875. [PMID: 36847947 PMCID: PMC10611857 DOI: 10.1007/s11356-023-25919-4] [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: 09/19/2022] [Accepted: 02/09/2023] [Indexed: 06/18/2023]
Abstract
Green synthesis of metal-organic frameworks (MOFs) has attracted a lot of attention as a crucial step for practical industrial applications. In this work, green synthesis of zinc(II) metal-organic framework (Zn-MOF) has been carried out at room temperature. The Zn metal (node) was extracted from spent domestic batteries, and the linker was benzene di-carboxylic acid (BDC). The characterization of the as-prepared Zn-MOF was accomplished by PXRD, FT-IR spectroscopy, SEM, TEM, TGA, and nitrogen adsorption at 77 K. All the characterization techniques strongly supported that as-synthesized Zn-MOF using metallic solid waste Zn is similar to that was reported in the literature. The as-prepared Zn-MOF was stable in water for 24 h without any changes in its functional groups and framework. The prepared Zn-MOF was tested for the adsorption of three dyes, two anionic dyes, aniline blue (AB), and orange II (O(II)) as well as methylene blue (MB), an example of cationic dye from aqueous solution. AB has the highest equilibrium adsorbed amount, qe, of value 55.34 mg g-1 at pH = 7 and 25 °C within 40 min. Investigation of the adsorption kinetics indicated that these adsorption processes could be described as a pseudo-second-order kinetic model. Furthermore, the adsorption process of the three dyes was described well by the Freundlich isotherm model. According to the thermodynamic parameters, the adsorption of AB on the prepared Zn-MOF was an endothermic and spontaneous process. In contrast, it was non-spontaneous and exothermic for the uptake of O(II) and MB. This study complements the business case development model of "solid waste to value-added MOFs."
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Affiliation(s)
- Abeer S Elsherbiny
- Chemistry Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt.
| | - Ahmed Rady
- Chemistry Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt
| | - Reda M Abdelhameed
- Applied Organic Chemistry Department, Chemical Industries Research Institute, National Research Centre, Dokki, Giza, 12622, Egypt
| | - Ali H Gemeay
- Chemistry Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt
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10
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Preparation and properties of citric acid-crosslinked chitosan salt microspheres through radio frequency assisted method. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Zhang L, Sheng H, Liu R, Yang M, Guo Y, Xu Q, Hu L, Liang S, Xie H. Engineering chitosan into fully bio-sourced, water-soluble and enhanced antibacterial poly(aprotic/protic ionic liquid)s packaging membrane. Int J Biol Macromol 2023; 230:123182. [PMID: 36623617 DOI: 10.1016/j.ijbiomac.2023.123182] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/09/2023]
Abstract
The design and facile preparation of water-soluble and eco-friendly polymer packaging membrane materials is a fascinating research topic, particularly in terms of the increasing concerns on potential microplastics pollution in ecosystem. In this study, taking advantages of the structural features of chitosan (CS) and betaine hydrochloride (BHC), fully bio-sourced and water-soluble poly(aprotic/protic ionic liquid)s (PAPILs) were successfully designed and prepared through the reaction of the amino groups in CS and carboxyl groups in BHC. The structure and thermo-properties of the PAPILs were elucidated by a series of characteristic methods. The rheological properties of the PAPILs aqueous solutions were also investigated. Moreover, water-soluble PAPILs membrane with a smooth surface morphology and a tensile strength of 62.9 MPa was successfully prepared. The PAPILs membrane also exhibited satisfactory biocompatibility, excellent antibacterial activities and high oxygen barrier property. Together with these outstanding material performance and functionality, as a "proof of concept", the potential use of the PAPILs membrane as water-soluble packaging material for laundry detergent capsule and pesticide was preliminarily demonstrated. These findings provide significant insights for the design of sustainable and functional packaging materials by using natural resources.
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Affiliation(s)
- Lihua Zhang
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China
| | - Hailiang Sheng
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China
| | - Ran Liu
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China
| | - Mao Yang
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China
| | - Yuanlong Guo
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China
| | - Qinqin Xu
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China
| | - Lijie Hu
- Separation Membrane Materials & Technologies Joint Research Centre of Vontron-Guizhou University, Vontron Technol Co Ltd, Guiyang 550018, China
| | - Songmiao Liang
- Separation Membrane Materials & Technologies Joint Research Centre of Vontron-Guizhou University, Vontron Technol Co Ltd, Guiyang 550018, China
| | - Haibo Xie
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China.
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12
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Huang M, Xie L, Wang Y, Feng X, Gao J, Lou Z, Xiong Y. Efficient and selective capture of uranium by polyethyleneimine-modified chitosan composite microspheres from radioactive nuclear waste. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 316:120550. [PMID: 36328284 DOI: 10.1016/j.envpol.2022.120550] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Uranium extraction from radioactive nuclear waste is vital for sustainable energy supply and ecological security. Herein, a polyethyleneimine-chitosan composite microspheres n-PEI/ECH-CTS (n = 0.1, 0.2, 0.3, 0.4, 0.5) were synthetized for efficient and selective uranium adsorption. The prepared chitosan microspheres with uniform size, uniform dispersion and good mechanical strength combine cost-effectiveness and environmental benefits. The 0.4-PEI/ECH-CTS exhibits the highest adsorption capacity of 380.65 mg g-1 within only 4 h due to high nitrogen content of 6.57 mol kg-1. The DFT calculations confirms that the optimal coordination mode of UO22+ and 0.4-PEI/ECH-CTS is one UO22+ chelated with two -NH2 from two adsorption units, respectively. Adsorption efficiency of U(VI) from simulated nuclear wastewater achieves to 100%, and the Kd value is up to 1.1 × 104 mL g-1, which is 1.7 × 104-6.1 × 104 times that of coexisting ions. The CU(VI) reduces in simulated wastewater from 10.98 mg L-1 to 1 μg L-1, which is well below the US Environmental Protection Agency uranium limits for drinking water (30 μg L-1). Besides, 0.4-PEI/ECH-CTS still maintains above 95% adsorption efficiency after seven cycles. In short, the 0.4-PEI/ECH-CTS microspheres integrate high performance, practicality and cost-effectiveness, which has great advantages in practical industrial applications.
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Affiliation(s)
- Mengnan Huang
- College of Chemistry, Key Laboratory of Rare-scattered Elements of Liaoning Province, Liaoning University, Shenyang 110036, PR China
| | - Lisha Xie
- College of Chemistry, Key Laboratory of Rare-scattered Elements of Liaoning Province, Liaoning University, Shenyang 110036, PR China
| | - Yuejiao Wang
- College of Chemistry, Key Laboratory of Rare-scattered Elements of Liaoning Province, Liaoning University, Shenyang 110036, PR China
| | - Xiaogeng Feng
- College of Chemistry, Key Laboratory of Rare-scattered Elements of Liaoning Province, Liaoning University, Shenyang 110036, PR China
| | - Jing Gao
- College of Chemistry, Key Laboratory of Rare-scattered Elements of Liaoning Province, Liaoning University, Shenyang 110036, PR China
| | - Zhenning Lou
- College of Chemistry, Key Laboratory of Rare-scattered Elements of Liaoning Province, Liaoning University, Shenyang 110036, PR China
| | - Ying Xiong
- College of Chemistry, Key Laboratory of Rare-scattered Elements of Liaoning Province, Liaoning University, Shenyang 110036, PR China.
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13
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Shi T, Xie Z, Mo X, Shi W, Qiu H, Lan G, Yucheng L. Adsorption behaviors of heavy metal ions by different hydrazone-modified sodium alginate in aqueous medium: Experimental and DFT studies. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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14
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Yi S, Bao B, Song W, Liu M. Removal of Zn(II) by magnetic composite adsorbent: synthesis, performance, and mechanism. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:57823-57834. [PMID: 35355190 DOI: 10.1007/s11356-022-19830-7] [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: 11/27/2021] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
In this study, L-methionine and nano-Fe3O4 were encapsulated and cured on sodium alginate by the ionic cross-linking method to form magnetic composite gel spheres (SML) as an adsorbent for the removal of Zn(II) from water. The influence of adsorbent dosages, pH, reaction time, and initial ion concentration on the ability of the gel spheres to adsorb Zn(II) was investigated, and the adsorption mechanism was identified. The experimental results showed that under the optimum conditions (pH = 5, t = 60 min, dosage of SML is 0.7 g·L-1), the maximum amount of Zn(II) adsorbed by the adsorbent gel spheres reached 86.84 mgˑg-1. The reaction process of this adsorbent fits well with the Langmuir and pseudo-second-order kinetic models and is a heat absorption reaction. The adsorbent would preferentially adsorb Pb(II), and the adsorption efficiency of Zn(II) decreased when the concentration of interfering ions increased in the coexistence system. Further mechanistic research showed that this magnetic composite adsorbent is a mesoporous material with superior adsorption performance, and the amino and carboxyl groups on it react with Zn(II) via ligand chelation; the ion exchange effect of Ca(II) also plays a role. The adsorption amount of Zn(II) was maintained at a higher level after 5 cycles, and the loss of Fe was approximately 0.2%. In summary, SML, which is environmentally friendly, efficient, and recyclable, is an ideal adsorbent for Zn(II) removal.
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Affiliation(s)
- Shuang Yi
- School of Environmental Science and Engineering of Guangdong University of Technology, Guangzhou, 510006, China
- Guangdong Institute of Resources Comprehensive Utilization, Guangzhou, 510651, China
- State Key Laboratory of Separation and Comprehensive Utilization of Rare Metals, Guangzhou, 510651, China
| | - Binqin Bao
- School of Environmental Science and Engineering of Guangdong University of Technology, Guangzhou, 510006, China
- Guangdong Institute of Resources Comprehensive Utilization, Guangzhou, 510651, China
- State Key Laboratory of Separation and Comprehensive Utilization of Rare Metals, Guangzhou, 510651, China
| | - Weifeng Song
- School of Environmental Science and Engineering of Guangdong University of Technology, Guangzhou, 510006, China.
| | - MuDdan Liu
- Guangdong Institute of Resources Comprehensive Utilization, Guangzhou, 510651, China
- State Key Laboratory of Separation and Comprehensive Utilization of Rare Metals, Guangzhou, 510651, China
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15
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Valadi FM, Shahsavari S, Akbarzadeh E, Gholami MR. Preparation of new MOF-808/chitosan composite for Cr(VI) adsorption from aqueous solution: Experimental and DFT study. Carbohydr Polym 2022; 288:119383. [PMID: 35450645 DOI: 10.1016/j.carbpol.2022.119383] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 11/24/2022]
Abstract
In this study, a series of Zirconium-based MOF and chitosan composites (MOF-808/chitosan) were synthesized as efficient adsorbent for Cr(VI) ions elimination from aqueous solution. MOF-808/chitosan structure and morphology was characterized by FE-SEM, EDX, XRD, BET, zeta potential analysis, FT-IR, XPS techniques. The kinetic studies ascertained that Cr(VI) adsorption over MOF-808/chitosan followed pseudo-second-order kinetic model. The adsorption isotherms fitted the Langmuir isotherm model, implying on homogeneously adsorption of Cr(VI) on the surface of MOF-808/chitosan. According to the Langmuir model, the maximum capacity was obtained to be 320.0 mg/g at pH 5. Thermodynamic investigation proposed spontaneous (ΔG° < 0), disordered (ΔS° > 0) and endothermic (ΔH° > 0) for adsorption process. Besides, MOF-808/chitosan displayed an appropriate reusability for the elimination of Cr(VI) ions from their aqueous solutions for six successive cycles. DFT study of the adsorption process displayed and confirmed the role of hydrogen bonding and electrostatic attraction simultaneously.
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Affiliation(s)
| | - Shayan Shahsavari
- Department of Chemistry, Sharif University of Technology, Azadi Avenue, Tehran, Iran; Nanoclub Elites Association, Tehran, Iran
| | - Elham Akbarzadeh
- Department of Chemistry, Sharif University of Technology, Azadi Avenue, Tehran, Iran.
| | - Mohammad Reza Gholami
- Department of Chemistry, Sharif University of Technology, Azadi Avenue, Tehran, Iran.
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16
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Fan S, Li Z, Fan C, Chen J, Huang H, Chen G, Liu S, Zhou H, Liu R, Feng Z, Zhang Y, Hu H, Huang Z, Qin Y, Liang J. Fast-thermoresponsive carboxylated carbon nanotube/chitosan aerogels with switchable wettability for oil/water separation. JOURNAL OF HAZARDOUS MATERIALS 2022; 433:128808. [PMID: 35381514 DOI: 10.1016/j.jhazmat.2022.128808] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 03/17/2022] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
The use of aerogels to selectively recover oil from oily wastewater is effective but challenging. In this study, a new carboxylated carbon nanotube/chitosan aerogel (CCNT/CA) with switchable wettability was developed as a smart adsorbent for fast oil absorption and oil recovery. Vinyltrimethoxysilane and thermoresponsive poly(N-isopropylacrylamide) (PNIPAAm) was grafted onto the surface of the CCNT/CA skeleton, and the resulting smart aerogel (PNI-Si@CCNT/CA) exhibited temperature responsiveness. PNI-Si@CCNT/CA exhibited an excellent reversible conversion between hydrophilicity and hydrophobicity when the temperature was changed to below or above the lower critical solution temperature (LCST) of PNIPAAm (~32 °C). Most importantly, CCNT significantly increased the oil absorption capacity, improved the mechanical properties, accelerated phonon conduction, enhanced thermal conductivity (80.57 mW m-1 K-1), improved the temperature response rate, shortened the oil desorption time (15 min), and improved the oil/water separation efficiency of PNI-Si@CCNT/CA because a strong interface interaction occurred between CCNT and chitosan. Moreover, PNI-Si@CCNT/CA absorbed oil at 45 °C and released the absorbed oil at 25 °C. It maintained its good adsorption performance after 15 cycles, and this was ascribed to its excellent mechanical properties and stable structure.
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Affiliation(s)
- Songlin Fan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Zhenzhou Li
- School of Mechanical Engineering, Guangxi University, Nanning 530004, China
| | - Chao Fan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Jian Chen
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Hongmiao Huang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China; School of Pharmacy, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Guangliang Chen
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Shigen Liu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Hemao Zhou
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Rangtao Liu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Zhenfei Feng
- School of Mechanical Engineering, Guangxi University, Nanning 530004, China
| | - Yanjuan Zhang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China.
| | - Huayu Hu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Zuqiang Huang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China.
| | - Yuben Qin
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Jing Liang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
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17
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Shi T, Xie Z, Mo X, Feng Y, Peng T, Song D. Highly Efficient Adsorption of Heavy Metals and Cationic Dyes by Smart Functionalized Sodium Alginate Hydrogels. Gels 2022; 8:gels8060343. [PMID: 35735687 PMCID: PMC9222840 DOI: 10.3390/gels8060343] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 05/21/2022] [Accepted: 05/25/2022] [Indexed: 02/01/2023] Open
Abstract
In this paper, functionalized sodium alginate hydrogel (FSAH) was prepared to efficiently adsorb heavy metals and dyes. Hydrazide-functionalized sodium alginate (SA) prepared hydrazone groups to selectively capture heavy metals (Pb2+, Cd2+, and Cu2+), and another functional group (dopamine grafting), serves as sites for adsorption methylene blue (MB), malachite green (MG), crystal violet (CV). Thermodynamic parameters of adsorption indicated that the adsorption process is endothermic and spontaneous. The heavy metals adsorption by FSAH was physical adsorption mainly due to ΔHθ < 40 kJ/mol, and the adsorption of cationic dyes fitted with the Langmuir models, which indicated that the monolayer adsorption is dominated by hydrogen bonds, electrostatic interactions, and π-π interactions. Moreover, the adsorption efficiency maintained above 70% after five adsorption-desorption cycles. To sum up, FSAH has great application prospect.
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Affiliation(s)
- Tianzhu Shi
- Department of Brewing Engineering, Moutai Institute, Renhuai 564500, China; (X.M.); (Y.F.); (T.P.); (D.S.)
- Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China;
- Correspondence: ; Tel.: +86-185-8642-0308
| | - Zhengfeng Xie
- Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China;
| | - Xinliang Mo
- Department of Brewing Engineering, Moutai Institute, Renhuai 564500, China; (X.M.); (Y.F.); (T.P.); (D.S.)
| | - Yulong Feng
- Department of Brewing Engineering, Moutai Institute, Renhuai 564500, China; (X.M.); (Y.F.); (T.P.); (D.S.)
| | - Tao Peng
- Department of Brewing Engineering, Moutai Institute, Renhuai 564500, China; (X.M.); (Y.F.); (T.P.); (D.S.)
| | - Dandan Song
- Department of Brewing Engineering, Moutai Institute, Renhuai 564500, China; (X.M.); (Y.F.); (T.P.); (D.S.)
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18
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Alavarse AC, Frachini ECG, da Silva RLCG, Lima VH, Shavandi A, Petri DFS. Crosslinkers for polysaccharides and proteins: Synthesis conditions, mechanisms, and crosslinking efficiency, a review. Int J Biol Macromol 2022; 202:558-596. [PMID: 35038469 DOI: 10.1016/j.ijbiomac.2022.01.029] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 12/20/2021] [Accepted: 01/06/2022] [Indexed: 01/16/2023]
Abstract
Polysaccharides and proteins are important macromolecules for developing hydrogels devoted to biomedical applications. Chemical hydrogels offer chemical, mechanical, and dimensional stability than physical hydrogels due to the chemical bonds among the chains mediated by crosslinkers. There are many crosslinkers to synthesize polysaccharides and proteins based on hydrogels. In this review, we revisited the crosslinking reaction mechanisms between synthetic or natural crosslinkers and polysaccharides or proteins. The selected synthetic crosslinkers were glutaraldehyde, carbodiimide, boric acid, sodium trimetaphosphate, N,N'-methylene bisacrylamide, and polycarboxylic acid, whereas the selected natural crosslinkers included transglutaminase, tyrosinase, horseradish peroxidase, laccase, sortase A, genipin, vanillin, tannic acid, and phytic acid. No less important are the reactions involving click chemistry and the macromolecular crosslinkers for polysaccharides and proteins. Literature examples of polysaccharides or proteins crosslinked by the different strategies were presented along with the corresponding highlights. The general mechanism involved in chemical crosslinking mediated by gamma and UV radiation was discussed, with particular attention to materials commonly used in digital light processing. The evaluation of crosslinking efficiency by gravimetric measurements, rheology, and spectroscopic techniques was presented. Finally, we presented the challenges and opportunities to create safe chemical hydrogels for biomedical applications.
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Affiliation(s)
- Alex Carvalho Alavarse
- Fundamental Chemistry Department, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil
| | - Emilli Caroline Garcia Frachini
- Fundamental Chemistry Department, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil
| | | | - Vitoria Hashimoto Lima
- Fundamental Chemistry Department, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil
| | - Amin Shavandi
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium
| | - Denise Freitas Siqueira Petri
- Fundamental Chemistry Department, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil.
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19
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Zhang W, Jiang Q, Shen J, Gao P, Yu D, Xu Y, Xia W. The role of organic acid structures in changes of physicochemical and antioxidant properties of crosslinked chitosan films. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2021.100792] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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20
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Jing H, Huang X, Du X, Mo L, Ma C, Wang H. Facile synthesis of pH-responsive sodium alginate/carboxymethyl chitosan hydrogel beads promoted by hydrogen bond. Carbohydr Polym 2022; 278:118993. [PMID: 34973796 DOI: 10.1016/j.carbpol.2021.118993] [Citation(s) in RCA: 69] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 12/02/2021] [Accepted: 12/05/2021] [Indexed: 12/13/2022]
Abstract
In this work, a novel synthesis strategy of sodium alginate/carboxymethyl chitosan hydrogel beads promoted by hydrogen bond was described. The beads were prepared by dropping the blends of two polymers into the citric acid solution. Besides hydrogen bonding, electrostatic interactions were also involved in the formation of the hydrogel beads. The thermal stability experiments revealed that the more the content of carboxymethyl chitosan, the better the thermal stability of the beads. The beads exhibited excellent pH sensitivity, pH reversibility, and lactoferrin loading capacity. The swelling ratio of the bead and its protein releasing profile was pH-dependent, which could prevent premature protein release in the gastric environment. Also, the circular dichroism results demonstrated that lactoferrin could maintain its structure during the loading and releasing process. The obtained results revealed that the hydrogel beads prepared in this work could be used as a potential protein carrier for oral delivery.
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Affiliation(s)
- Huijuan Jing
- The State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Xin Huang
- The State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Xiaojing Du
- The State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Ling Mo
- The State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Chaoyang Ma
- The State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Hongxin Wang
- The State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China.
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21
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Shi T, Xie Z, Zhu Z, Shi W, Liu Y, Liu M, Mo X. Effective removal of metal ions and cationic dyes from aqueous solution using different hydrazine-dopamine modified sodium alginate. Int J Biol Macromol 2022; 195:317-328. [PMID: 34914908 DOI: 10.1016/j.ijbiomac.2021.12.039] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/03/2021] [Accepted: 12/05/2021] [Indexed: 12/13/2022]
Abstract
In this paper, DSA-AAD-DA and DSA-TPDH-DA were prepared to effectively remove metal ions and cationic dyes from aqueous solution. The hydrazone structure was prepared by hydrazide-modified SA which captured metal ions selectively, and the remaining functional groups were used as active adsorption sites for cationic dyes. The thermodynamic parameter for the sorption demonstrated the process is endothermic and spontaneous. In single process, the adsorption of metal ions by DSA-AAD-DA and DSA-TPDH-DA correlated well with the Freundlich model through the hydrazone structure coordination and ion exchange which was mainly chemical adsorption, and cationic dyes adsorption correlated well with the Langmuir model which was shown monolayer adsorption was dominant by hydrogen bonding, electrostatic interaction, and π-π interaction. In binary system, the mixed adsorption shown significant antagonism effect in high concentration, but cationic dyes and metal ions in low concentration were efficiently and simultaneously removed, the adsorption ability of DSA-TPDH-DA was much better than DSA-AAD-DA. Moreover, adsorption efficiency can still maintain more than 80% after five times adsorption-desorption recycle. Therefore, DSA-AAD-DA and DSA-TPDH-DA possessed great potential for wastewater treatment.
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Affiliation(s)
- Tianzhu Shi
- Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China; Department of Brewing Engineering, Moutai Institute, Renhuai, Guizhou 564500, China
| | - Zhengfeng Xie
- Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China; Research Institute of Industrial Hazardous Waste Disposal and Resource Utilization, Southwest Petroleum University, Chengdu, Sichuan 610500, China.
| | - Zhu Zhu
- Inspection Department, Guizhou Provincial Institute for Quality Inspection and Testing of Liquor Products, Renhuai, Guizhou 564500, China
| | - Wei Shi
- Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China
| | - Yucheng Liu
- Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China; Research Institute of Industrial Hazardous Waste Disposal and Resource Utilization, Southwest Petroleum University, Chengdu, Sichuan 610500, China
| | - Minyao Liu
- Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China
| | - Xinliang Mo
- Department of Brewing Engineering, Moutai Institute, Renhuai, Guizhou 564500, China
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22
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Wang S, Wang H, Tang J, Chen Y, Wang S, Zhang L. Chitosan functionalized with N,N-(2-aminoethyl)pyridinedicarboxamide for selective adsorption of gold ions from wastewater. Int J Biol Macromol 2022; 194:781-789. [PMID: 34826454 DOI: 10.1016/j.ijbiomac.2021.11.125] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/05/2021] [Accepted: 11/17/2021] [Indexed: 11/18/2022]
Abstract
The recovery of gold from wastewater has always been a research hotspot. Here, a novel chitosan-based adsorbent (CS-DPDM) was successfully synthesized by functionalizing chitosan with (N, N-(2-aminoethyl))-2,6-pyridinedicarboxamide. The adsorbent was analyzed by fourier transform infrared spectroscopy (FT-IR), nuclear magnetic resonance spectroscopy (1H NMR), scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD) and zeta potential method (Zeta). To investigate the adsorption performance of CS-DPDM for Au(III), the effects of pH, temperature, adsorption time and initial concentration were discussed. The maximum adsorption capacity of CS-DPDM for Au(III) at pH 5.0 is 659.02 mg/g at 318 K. The adsorption is a spontaneous endothermic behavior, and the adsorption process follows the quasi-second-order kinetic and Langmuir isotherm models, indicating that a single layer of chemical adsorption may have occurred on the surface of the adsorbent. The competitive adsorption and repetitive experiments show that CS-DPDM has considerable selectivity and reusability for Au(III). X-ray photoelectron spectroscopy (XPS) results show that N and O functional groups adsorb Au(III) on the surface of CS-DPDM through electrostatic, chelation and reduction. These results indicate that CS-DPDM has broad application prospects in recovering gold ions from aqueous solutions.
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Affiliation(s)
- Shuai Wang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China; State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China
| | - Hao Wang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China; State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China
| | - Jiali Tang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China; State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China
| | - Yingbi Chen
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China; State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China
| | - Shixing Wang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China; State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China.
| | - Libo Zhang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China; State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China.
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23
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Nicolle L, Journot CMA, Gerber-Lemaire S. Chitosan Functionalization: Covalent and Non-Covalent Interactions and Their Characterization. Polymers (Basel) 2021; 13:4118. [PMID: 34883621 PMCID: PMC8659004 DOI: 10.3390/polym13234118] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 11/22/2021] [Accepted: 11/24/2021] [Indexed: 02/06/2023] Open
Abstract
Chitosan (CS) is a natural biopolymer that has gained great interest in many research fields due to its promising biocompatibility, biodegradability, and favorable mechanical properties. The versatility of this low-cost polymer allows for a variety of chemical modifications via covalent conjugation and non-covalent interactions, which are designed to further improve the properties of interest. This review aims at presenting the broad range of functionalization strategies reported over the last five years to reflect the state-of-the art of CS derivatization. We start by describing covalent modifications performed on the CS backbone, followed by non-covalent CS modifications involving small molecules, proteins, and metal adjuvants. An overview of CS-based systems involving both covalent and electrostatic modification patterns is then presented. Finally, a special focus will be given on the characterization techniques commonly used to qualify the composition and physical properties of CS derivatives.
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Affiliation(s)
| | | | - Sandrine Gerber-Lemaire
- Group for Functionalized Biomaterials, Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC SCI-SB-SG, Station 6, CH-1015 Lausanne, Switzerland; (L.N.); (C.M.A.J.)
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24
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Yang Y, Zeng L, Lin Z, Jiang H, Zhang A. Adsorption of Pb 2+, Cu 2+ and Cd 2+ by sulfhydryl modified chitosan beads. Carbohydr Polym 2021; 274:118622. [PMID: 34702451 DOI: 10.1016/j.carbpol.2021.118622] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 08/20/2021] [Accepted: 08/26/2021] [Indexed: 12/14/2022]
Abstract
A chitosan-based bead was synthesized by crosslinking as well as sulfhydryl modification reaction and its removal ability of Pb2+, Cu2+ and Cd2+ was investigated. The test results showed that the crystal structure of chitosan was destroyed completely and the specific surface area was greatly increased after modification. The adsorption of Pb2+, Cu2+ and Cd2+ by the beads was carried out at different pH, ionic strength, contact time and initial concentration and the maximum adsorption capacities were 273.7 mg/g, 163.3 mg/g and 183.1 mg/g, respectively. Furthermore, due to the large ion radius of Pb2+, its adsorption was seriously disturbed by other ions in the competitive adsorption process. Finally, the adsorption processes of Pb2+, Cu2+ and Cd2+ were well fitted by the Langmuir isotherm model and the pseudo second-order kinetics model, respectively. Combined with the results of X-ray photoelectron spectroscopy, chemical coordination is the main adsorption mechanism.
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Affiliation(s)
- Yuru Yang
- Institute of Biomass Engineering, South China Agricultural University, Guangzhou 510642, P.R. China
| | - Lei Zeng
- Institute of Biomass Engineering, South China Agricultural University, Guangzhou 510642, P.R. China
| | - Zongkun Lin
- Institute of Biomass Engineering, South China Agricultural University, Guangzhou 510642, P.R. China
| | - Huabin Jiang
- Institute of Biomass Engineering, South China Agricultural University, Guangzhou 510642, P.R. China
| | - Aiping Zhang
- Institute of Biomass Engineering, South China Agricultural University, Guangzhou 510642, P.R. China.
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25
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Fan S, Chen J, Fan C, Chen G, Liu S, Zhou H, Liu R, Zhang Y, Hu H, Huang Z, Qin Y, Liang J. Fabrication of a CO 2-responsive chitosan aerogel as an effective adsorbent for the adsorption and desorption of heavy metal ions. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:126225. [PMID: 34492979 DOI: 10.1016/j.jhazmat.2021.126225] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/19/2021] [Accepted: 05/24/2021] [Indexed: 06/13/2023]
Abstract
In the traditional desorption method, strong acid is commonly used as an eluent for the regeneration of adsorbents. It is of critical economic and environmental significance to develop a chemical-free desorption method. In this study, a new CO2-responsive chitosan aerogel adsorbent was synthesized from CO2-responsive poly(acrylic acid-2-(dimethylamino)ethyl methacrylate) and chitosan by physicochemical double crosslinking for the adsorption of Cu2+. Compared with the chitosan aerogel, the adsorption capacity of Cu2+ and mechanical properties of CO2-responsive chitosan aerogel increased by 162% and 660%, respectively. Most importantly, after the adsorption of Cu2+ by CO2-responsive chitosan aerogel, the Cu2+ could be desorbed by CO2 bubbling, and the desorption rate of metal ions was more than 80%. The adsorption of Cu2+ by aerogel was attributed to chelation and complexation. The desorption of porous chitosan/P(AA-co-DMAEMA) aerogels (CPA) by CO2 mainly occurred through charge repulsion of protonated ‒NH2 and ‒N‒ groups. After 6 cycles, the adsorption capacity of CPA for metal ions still reached 70% of the initial adsorption capacity, and the desorption rate reached 75%. This novel CO2-responsive chitosan aerogel is a highly efficient and environmentally friendly adsorbent for the adsorption and recovery of metal ions.
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Affiliation(s)
- Songlin Fan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Jian Chen
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Chao Fan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Guangliang Chen
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Shigen Liu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Hemao Zhou
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Rangtao Liu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Yanjuan Zhang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China.
| | - Huayu Hu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Zuqiang Huang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China.
| | - Yuben Qin
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Jing Liang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
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26
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Jóźwiak T, Filipkowska U. The use of air-lift adsorber with a floating filling from a cross-linked chitosan hydrogels for Reactive Black 5 removal. Sci Rep 2021; 11:13382. [PMID: 34183743 PMCID: PMC8238981 DOI: 10.1038/s41598-021-92856-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 06/17/2021] [Indexed: 11/09/2022] Open
Abstract
This work substantially extends knowledge on the possibilities of treating colored industrial wastewater via sorption under flow conditions. The presented study aimed to determine the effectiveness of Reactive Black 5 (RB5) dye sorption from aqueous solutions under dynamic (flow) conditions in an unconventional air-lift type loop reactor with a filling made of hydrogel chitosan sorbents. The dye was removed from mono-component solutions (deionized water + RB5) and synthetic dyeing wastewater containing RB5 dye, NaCl (3 g/L), and an anti-creasing agent—UNICREASE JET (2 g/L). The sorbents tested in the study included: unmodified chitosan (CHs), chitosan ionically cross-linked with sodium citrate (CHs-CIT), and chitosan covalently cross-linked with epichlorohydrin (CHs-ECH). Each experimental series aimed to determine: the bed break-through time (CE = 0.1 C0), time of depletion of the sorbent’s sorption properties (CE = C0), and maximal sorption capacity of the sorbents (Qmax). The data obtained under dynamic conditions were described using Thomas, Yoon–Nelson, and Bohart–Adams models. The volume of the solution effectively treated in the air-lift reactor was significantly affected by chitosan sorbent type. At C0 = 50 mg RB5/L, the adsorber with the filling made of 1 g d.m. CHs allowed for the effective treatment of 4.6 L of synthetic wastewater (Qmax = 1504.7 mg/g), whereas CHs-ECH ensured 34.6 L of the treated solution (Qmax = 3212.9 mg/g).
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Affiliation(s)
- Tomasz Jóźwiak
- Department of Environmental Engineering, University of Warmia and Mazury in Olsztyn, Warszawska St. 117a, 10-957, Olsztyn, Poland.
| | - Urszula Filipkowska
- Department of Environmental Engineering, University of Warmia and Mazury in Olsztyn, Warszawska St. 117a, 10-957, Olsztyn, Poland
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27
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Niu C, Zhang N, Hu C, Zhang C, Zhang H, Xing Y. Preparation of a novel citric acid-crosslinked Zn-MOF/chitosan composite and application in adsorption of chromium(VI) and methyl orange from aqueous solution. Carbohydr Polym 2021; 258:117644. [PMID: 33593538 DOI: 10.1016/j.carbpol.2021.117644] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/20/2020] [Accepted: 01/10/2021] [Indexed: 12/14/2022]
Abstract
A novel citrate-crosslinked Zn-MOF/chitosan (ZnBDC/CSC) composite was successfully prepared by immobilizing Zn-MOF (ZnBDC) on citrate-crosslinked chitosan (CSC) using citric acid as a chemical bridge. ZnBDC/CSC was characterized by XRD, FT-IR, solid-state 13C NMR, BET and SEM. The adsorption of ZnBDC/CSC for Cr(VI) and MO from aqueous solutions were studied at pH 5.0. The adsorption conditions, such as adsorption time and initial concentration of Cr(VI) and MO solutions were investigated. The results indicated that ZnBDC/CSC showed high adsorption capacity for both Cr(VI) (225 ± 4 mg g-1) and MO (202 ± 3 mg g-1), respectively. The adsorption of Cr(VI) on ZnBDC/CSC could be well described by Langmuir isotherm model, while MO followed Freundlich model. The adsorption kinetic of Cr(VI) and MO demonstrated a better fitness to the pseudo-second order kinetic model. Thermodynamic parameters (enthalpy (ΔH), entropy (ΔS) and Gibbs free energy (ΔG)) demonstrated that the adsorption processes of Cr(VI) and MO on ZnBDC/CSC were exothermic, disordered and spontaneous at 298-318 K. The adsorption mechanism of ZnBDC/CSC for Cr(VI) could be mainly explained by electrostatic attraction and cation-π interaction, while for MO, it could be assigned to n-π and π-π interactions, electrostatic attraction and hydrogen bonding. ZnBDC/CSC could be recycled and reused for the removal of Cr(VI) and MO.
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Affiliation(s)
- Chuanwen Niu
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China
| | - Nan Zhang
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China
| | - Cuicui Hu
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China
| | - Caiyun Zhang
- Lutai School of Textile and Apparel, Shandong University of Technology, Zibo, Shandong 255049, China
| | - Huanhuan Zhang
- Shanghai Institute of Quality Inspection and Technical Research, Shanghai, 200233, China
| | - Yanjun Xing
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China.
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28
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Fan S, Liu Z, Wu Y, Zhang Y, Hu H, Huang Z, Qin Y, Liang J. 3D porous tubular network-structured chitosan-based beads with multifunctional groups: Highly efficient and selective removal of Cu 2. Int J Biol Macromol 2021; 171:17-27. [PMID: 33412196 DOI: 10.1016/j.ijbiomac.2020.12.184] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 12/22/2020] [Accepted: 12/23/2020] [Indexed: 01/28/2023]
Abstract
Herein, an effective adsorbent, 3D porous tubular network-structured citric acid-chitosan/Fe/polyethyleneimine beads (CCFPB) with multifunctional active groups and strong selectivity, was prepared for the selective removal of Cu2+ from simulated wastewater. Compared with pure chitosan beads (CB), the adsorption capacity of CCFPB for Cu2+ was increased by 127 mg g-1 (238%), and the adsorption equilibrium time was shortened by 480 min. The CCFPB showed porous surface and a novel 3D porous tubular network structure in interior, which were benefit to the diffusion of Cu2+ from surface to interior of the CCFPB and the shortening of adsorption equilibrium time. The common coexisting ions in the simulated wastewater had almost no effect on the adsorption of Cu2+ by CCFPB, and the adsorption was fast and reached equilibrium within 10 h. The adsorption process followed pseudo-second-order kinetics and the Langmuir isotherm model (qm = 240.9 mg g-1 for Cu2+). The adsorption mechanism of CCFPB for Cu2+ was mainly the synergistic interaction with amino, carboxyl, and hydroxyl groups. This strategy shows great potential for developing a variety of novel, highly active, and reusable immobilized functional beads materials for effective separation of Cu2+ from multi-ion wastewater.
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Affiliation(s)
- Songlin Fan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Zhihan Liu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Yixiao Wu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Yanjuan Zhang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China.
| | - Huayu Hu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Zuqiang Huang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China.
| | - Yuben Qin
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Jing Liang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
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Cao X, Zhou C, Wang S, Man R. Adsorption Properties for La(III), Ce(III), and Y(III) with Poly(6-acryloylamino-hexyl hydroxamic acid) Resin. Polymers (Basel) 2020; 13:E3. [PMID: 33374966 PMCID: PMC7792598 DOI: 10.3390/polym13010003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/17/2020] [Accepted: 12/18/2020] [Indexed: 11/16/2022] Open
Abstract
Using polyacrylic resin followed by the substitution reaction with 6-aminohexyl hydroxamic acid, poly(6-acryloylamino-hexyl hydroxamic acid) resin (PAMHA) was successfully synthesized. PAMHA, a spherical resin with the particle size of 0.4 mm, is a novel polyamide hydroxamic acid chelating resin containing acylamino and hydroxamic acid functional groups. A series of influences (pH, contact time, temperature, and the initial concentrations of rare earth ions) were investigated to determine the adsorption properties. The adsorption capacity for La(III), Ce(III), and Y(III) ions were 1.030, 0.962, and 1.450 mmol·g-1, respectively. Thermodynamic and kinetic studies were also carried out to show that the uptake of rare earth ions onto PAMHA fitted well the pseudo-second-order model and Langmuir isotherm, and the adsorption process was spontaneous endothermic. In addition, desorption of rare earth ions was achieved by using 2 mol·L-1 HNO3 and desorption efficiencies for La(III), Ce(III), and Y(III) ions were 98.4, 99.1, and 98.8%, respectively. Properties of PAMHA resin were characterized by scanning electron microscope (SEM), Fourier transform infrared spectrometry (FTIR), and X-ray photoelectron spectrometer (XPS). The results showed that there was coordination between the rare earth ions with PAMHA and rare metal ions were chemically adsorbed on the surface of the PAMHA.
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Affiliation(s)
- Xiaoyan Cao
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha 410083, China; (X.C.); (C.Z.); (R.M.)
- College of Chemistry and Chemical Engineering and Jiangxi Province Engineering Research Center of Ecological Chemical Industry, Jiujiang University, Jiujiang 332005, China
| | - Chunjie Zhou
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha 410083, China; (X.C.); (C.Z.); (R.M.)
| | - Shuai Wang
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha 410083, China; (X.C.); (C.Z.); (R.M.)
| | - Ruilin Man
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha 410083, China; (X.C.); (C.Z.); (R.M.)
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30
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Iglesias N, Galbis E, Valencia C, Díaz-Blanco MJ, Lacroix B, de-Paz MV. Biodegradable double cross-linked chitosan hydrogels for drug delivery: Impact of chemistry on rheological and pharmacological performance. Int J Biol Macromol 2020; 165:2205-2218. [DOI: 10.1016/j.ijbiomac.2020.10.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/23/2020] [Accepted: 10/01/2020] [Indexed: 12/16/2022]
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