Effective synthesis and characterization of citric acid cross-linking of modified ferrous metal-organic framework and chitosan nanocomposite sponge for Th(IV) elimination: Adsorption isotherms, kinetic analysis, and optimization by Box-Behnken design

This research presents a novel nanocomposite of ferrous metal-organic framework (Fe(II)-MOF) that has been encapsulated with chitosan matrix, leading to the development of a new adsorbent referred to as NH2-Fe(II)-MOF@CSC composite sponge. This composite sponge has shown effectiveness in removing ra...

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Veröffentlicht in:International journal of biological macromolecules 2024-11, Vol.281 (Pt 1), p.136194, Article 136194
Hauptverfasser: Al-Hazmi, Ghaferah H., Albedair, Lamia A., Alatawi, Raedah A.S., Alsuhaibani, Amnah Mohammed, Bukhari, Abeer Abdulaziz H., El-Bindary, Ashraf A.
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container_issue Pt 1
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container_title International journal of biological macromolecules
container_volume 281
creator Al-Hazmi, Ghaferah H.
Albedair, Lamia A.
Alatawi, Raedah A.S.
Alsuhaibani, Amnah Mohammed
Bukhari, Abeer Abdulaziz H.
El-Bindary, Ashraf A.
description This research presents a novel nanocomposite of ferrous metal-organic framework (Fe(II)-MOF) that has been encapsulated with chitosan matrix, leading to the development of a new adsorbent referred to as NH2-Fe(II)-MOF@CSC composite sponge. This composite sponge has shown effectiveness in removing radioactive thorium (IV) contamination from water sources. The adsorbent underwent characterization using techniques including FTIR, PXRD, BET analysis, and SEM. The adsorbent has a high surface area of 1360.8 m2/g. The most effective conditions for adsorbing Th(IV) were found to be a pH of 5, using 0.02 g of adsorbent dose per 25 mL, and maintaining a contact time of 100 min. The composite sponge demonstrated an impressive maximum adsorption capacity of 618.8 mg/g for Th(IV). The adsorption process was fitted to Langmuir isothermally and kinetically fitted to pseudo-second-order. Nonetheless, the relatively low adsorption energy of 6.22 kJ/mol suggests that the main adsorption mechanism is physisorption, which is marked by weaker van der Waals forces. This discovery could have implications for the material's potential for easy regeneration. In the analysis of the influence of temperature on the adsorption of Th(IV), it was discovered that the adsorption process is endothermic because the positive ΔHo value was 24.48 kJ.mol−1. Furthermore, a positive ΔSo value of 87.46 J.mol−1 K−1 suggests the existence of disorder at the solid-solution interface. Conversely, a temperature rise resulted in a higher negatively charged ΔGo, indicating that the adsorption process is spontaneous. The research also examined the mechanism of interaction, such as π-π interaction, hydrogen bonding, pore filling, and electrostatic interaction. It was noted that the adsorbent can be efficiently used for a maximum of six cycles, demonstrating its economic viability. The adsorption outcomes were optimized using the Box Behnken design (BBD). [Display omitted] •Synthesis and characterization of novel NH2-Fe(II)-MOF@CSC composite sponge.•Highly efficient adsorption and removal of Th(IV) the adsorption capacity was 618.8 mg/g).•The adsorption process was fitted to Langmuir isothermally and to pseudo-second-order kinetically•The adsorption results were optimized via BOX-Benkhen design.
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This composite sponge has shown effectiveness in removing radioactive thorium (IV) contamination from water sources. The adsorbent underwent characterization using techniques including FTIR, PXRD, BET analysis, and SEM. The adsorbent has a high surface area of 1360.8 m2/g. The most effective conditions for adsorbing Th(IV) were found to be a pH of 5, using 0.02 g of adsorbent dose per 25 mL, and maintaining a contact time of 100 min. The composite sponge demonstrated an impressive maximum adsorption capacity of 618.8 mg/g for Th(IV). The adsorption process was fitted to Langmuir isothermally and kinetically fitted to pseudo-second-order. Nonetheless, the relatively low adsorption energy of 6.22 kJ/mol suggests that the main adsorption mechanism is physisorption, which is marked by weaker van der Waals forces. This discovery could have implications for the material's potential for easy regeneration. In the analysis of the influence of temperature on the adsorption of Th(IV), it was discovered that the adsorption process is endothermic because the positive ΔHo value was 24.48 kJ.mol−1. Furthermore, a positive ΔSo value of 87.46 J.mol−1 K−1 suggests the existence of disorder at the solid-solution interface. Conversely, a temperature rise resulted in a higher negatively charged ΔGo, indicating that the adsorption process is spontaneous. The research also examined the mechanism of interaction, such as π-π interaction, hydrogen bonding, pore filling, and electrostatic interaction. It was noted that the adsorbent can be efficiently used for a maximum of six cycles, demonstrating its economic viability. The adsorption outcomes were optimized using the Box Behnken design (BBD). [Display omitted] •Synthesis and characterization of novel NH2-Fe(II)-MOF@CSC composite sponge.•Highly efficient adsorption and removal of Th(IV) the adsorption capacity was 618.8 mg/g).•The adsorption process was fitted to Langmuir isothermally and to pseudo-second-order kinetically•The adsorption results were optimized via BOX-Benkhen design.</description><identifier>ISSN: 0141-8130</identifier><identifier>ISSN: 1879-0003</identifier><identifier>EISSN: 1879-0003</identifier><identifier>DOI: 10.1016/j.ijbiomac.2024.136194</identifier><identifier>PMID: 39366603</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>adsorbents ; Adsorption ; Box-Behnken design ; chitosan ; Chitosan - chemistry ; citric acid ; Citric Acid - chemistry ; coordination polymers ; crosslinking ; economic sustainability ; endothermy ; energy ; experimental design ; hydrogen ; Hydrogen-Ion Concentration ; Isotherm ; Kinetics ; Mechanism of interaction ; Metal-Organic Frameworks - chemistry ; nanocomposites ; Nanocomposites - chemistry ; NH2-Fe(II)-MOF@CSC ; Radioactive thorium (IV) ; surface area ; Temperature ; thorium ; Thorium - chemistry ; van der Waals forces ; Water Pollutants, Chemical - chemistry ; Water Pollutants, Chemical - isolation &amp; purification ; Water Purification - methods</subject><ispartof>International journal of biological macromolecules, 2024-11, Vol.281 (Pt 1), p.136194, Article 136194</ispartof><rights>2024 Elsevier B.V.</rights><rights>Copyright © 2024 Elsevier B.V. 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This composite sponge has shown effectiveness in removing radioactive thorium (IV) contamination from water sources. The adsorbent underwent characterization using techniques including FTIR, PXRD, BET analysis, and SEM. The adsorbent has a high surface area of 1360.8 m2/g. The most effective conditions for adsorbing Th(IV) were found to be a pH of 5, using 0.02 g of adsorbent dose per 25 mL, and maintaining a contact time of 100 min. The composite sponge demonstrated an impressive maximum adsorption capacity of 618.8 mg/g for Th(IV). The adsorption process was fitted to Langmuir isothermally and kinetically fitted to pseudo-second-order. Nonetheless, the relatively low adsorption energy of 6.22 kJ/mol suggests that the main adsorption mechanism is physisorption, which is marked by weaker van der Waals forces. This discovery could have implications for the material's potential for easy regeneration. In the analysis of the influence of temperature on the adsorption of Th(IV), it was discovered that the adsorption process is endothermic because the positive ΔHo value was 24.48 kJ.mol−1. Furthermore, a positive ΔSo value of 87.46 J.mol−1 K−1 suggests the existence of disorder at the solid-solution interface. Conversely, a temperature rise resulted in a higher negatively charged ΔGo, indicating that the adsorption process is spontaneous. The research also examined the mechanism of interaction, such as π-π interaction, hydrogen bonding, pore filling, and electrostatic interaction. It was noted that the adsorbent can be efficiently used for a maximum of six cycles, demonstrating its economic viability. The adsorption outcomes were optimized using the Box Behnken design (BBD). [Display omitted] •Synthesis and characterization of novel NH2-Fe(II)-MOF@CSC composite sponge.•Highly efficient adsorption and removal of Th(IV) the adsorption capacity was 618.8 mg/g).•The adsorption process was fitted to Langmuir isothermally and to pseudo-second-order kinetically•The adsorption results were optimized via BOX-Benkhen design.</description><subject>adsorbents</subject><subject>Adsorption</subject><subject>Box-Behnken design</subject><subject>chitosan</subject><subject>Chitosan - chemistry</subject><subject>citric acid</subject><subject>Citric Acid - chemistry</subject><subject>coordination polymers</subject><subject>crosslinking</subject><subject>economic sustainability</subject><subject>endothermy</subject><subject>energy</subject><subject>experimental design</subject><subject>hydrogen</subject><subject>Hydrogen-Ion Concentration</subject><subject>Isotherm</subject><subject>Kinetics</subject><subject>Mechanism of interaction</subject><subject>Metal-Organic Frameworks - chemistry</subject><subject>nanocomposites</subject><subject>Nanocomposites - chemistry</subject><subject>NH2-Fe(II)-MOF@CSC</subject><subject>Radioactive thorium (IV)</subject><subject>surface area</subject><subject>Temperature</subject><subject>thorium</subject><subject>Thorium - chemistry</subject><subject>van der Waals forces</subject><subject>Water Pollutants, Chemical - chemistry</subject><subject>Water Pollutants, Chemical - isolation &amp; 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purification</topic><topic>Water Purification - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Al-Hazmi, Ghaferah H.</creatorcontrib><creatorcontrib>Albedair, Lamia A.</creatorcontrib><creatorcontrib>Alatawi, Raedah A.S.</creatorcontrib><creatorcontrib>Alsuhaibani, Amnah Mohammed</creatorcontrib><creatorcontrib>Bukhari, Abeer Abdulaziz H.</creatorcontrib><creatorcontrib>El-Bindary, Ashraf A.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>International journal of biological macromolecules</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Al-Hazmi, Ghaferah H.</au><au>Albedair, Lamia A.</au><au>Alatawi, Raedah A.S.</au><au>Alsuhaibani, Amnah Mohammed</au><au>Bukhari, Abeer Abdulaziz H.</au><au>El-Bindary, Ashraf A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effective synthesis and characterization of citric acid cross-linking of modified ferrous metal-organic framework and chitosan nanocomposite sponge for Th(IV) elimination: Adsorption isotherms, kinetic analysis, and optimization by Box-Behnken design</atitle><jtitle>International journal of biological macromolecules</jtitle><addtitle>Int J Biol Macromol</addtitle><date>2024-11-01</date><risdate>2024</risdate><volume>281</volume><issue>Pt 1</issue><spage>136194</spage><pages>136194-</pages><artnum>136194</artnum><issn>0141-8130</issn><issn>1879-0003</issn><eissn>1879-0003</eissn><abstract>This research presents a novel nanocomposite of ferrous metal-organic framework (Fe(II)-MOF) that has been encapsulated with chitosan matrix, leading to the development of a new adsorbent referred to as NH2-Fe(II)-MOF@CSC composite sponge. This composite sponge has shown effectiveness in removing radioactive thorium (IV) contamination from water sources. The adsorbent underwent characterization using techniques including FTIR, PXRD, BET analysis, and SEM. The adsorbent has a high surface area of 1360.8 m2/g. The most effective conditions for adsorbing Th(IV) were found to be a pH of 5, using 0.02 g of adsorbent dose per 25 mL, and maintaining a contact time of 100 min. The composite sponge demonstrated an impressive maximum adsorption capacity of 618.8 mg/g for Th(IV). The adsorption process was fitted to Langmuir isothermally and kinetically fitted to pseudo-second-order. Nonetheless, the relatively low adsorption energy of 6.22 kJ/mol suggests that the main adsorption mechanism is physisorption, which is marked by weaker van der Waals forces. This discovery could have implications for the material's potential for easy regeneration. In the analysis of the influence of temperature on the adsorption of Th(IV), it was discovered that the adsorption process is endothermic because the positive ΔHo value was 24.48 kJ.mol−1. Furthermore, a positive ΔSo value of 87.46 J.mol−1 K−1 suggests the existence of disorder at the solid-solution interface. Conversely, a temperature rise resulted in a higher negatively charged ΔGo, indicating that the adsorption process is spontaneous. The research also examined the mechanism of interaction, such as π-π interaction, hydrogen bonding, pore filling, and electrostatic interaction. It was noted that the adsorbent can be efficiently used for a maximum of six cycles, demonstrating its economic viability. The adsorption outcomes were optimized using the Box Behnken design (BBD). [Display omitted] •Synthesis and characterization of novel NH2-Fe(II)-MOF@CSC composite sponge.•Highly efficient adsorption and removal of Th(IV) the adsorption capacity was 618.8 mg/g).•The adsorption process was fitted to Langmuir isothermally and to pseudo-second-order kinetically•The adsorption results were optimized via BOX-Benkhen design.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>39366603</pmid><doi>10.1016/j.ijbiomac.2024.136194</doi></addata></record>
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ispartof International journal of biological macromolecules, 2024-11, Vol.281 (Pt 1), p.136194, Article 136194
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source MEDLINE; Elsevier ScienceDirect Journals
subjects adsorbents
Adsorption
Box-Behnken design
chitosan
Chitosan - chemistry
citric acid
Citric Acid - chemistry
coordination polymers
crosslinking
economic sustainability
endothermy
energy
experimental design
hydrogen
Hydrogen-Ion Concentration
Isotherm
Kinetics
Mechanism of interaction
Metal-Organic Frameworks - chemistry
nanocomposites
Nanocomposites - chemistry
NH2-Fe(II)-MOF@CSC
Radioactive thorium (IV)
surface area
Temperature
thorium
Thorium - chemistry
van der Waals forces
Water Pollutants, Chemical - chemistry
Water Pollutants, Chemical - isolation & purification
Water Purification - methods
title Effective synthesis and characterization of citric acid cross-linking of modified ferrous metal-organic framework and chitosan nanocomposite sponge for Th(IV) elimination: Adsorption isotherms, kinetic analysis, and optimization by Box-Behnken design
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