Alginate-based materials as adsorbent for sustainable water treatment

International Journal of Biological Macromolecules, Год журнала: 2025, Номер unknown, С. 139946 - 139946

Опубликована: Янв. 1, 2025

Язык: Английский

---

Study of Impact Behavior of Glass-Fiber-Reinforced Aluminum Composite Sandwich Panels at Constant Energy Levels

Coatings, Год журнала: 2025, Номер 15(3), С. 299 - 299

Опубликована: Март 4, 2025

In this investigation, we assessed the potential of aluminum composite panels (ACPs) in sustainable engineering applications, focusing on effects different glass fiber weights impact resistance and energy absorption capacity. Aluminum are an attractive option for applications due to their lightweight high-strength properties. study, low-velocity tests were conducted with 200 g/m2 400 equal numbers layers. The performed using a constant 55 joules, force–time, force–displacement, energy–time, energy–displacement behaviors ACP, ACP samples analyzed. results showed that exhibited highest strength, capacity, least damage. contrast, other two lower breaks, delaminations, core material damage surfaces. used study contributed increases Positive correlations found between weight, layer thickness, strength. These findings provide new insights into how materials can be designed optimize mechanical properties by adjusting coatings. also offer valuable information development next-generation various fields, such as automotive vehicle technology.

Язык: Английский

---

A Review of the Strategic Use of Sodium Alginate Polymer in the Immobilization of Microorganisms for Water Recycling

Polymers, Год журнала: 2024, Номер 16(6), С. 788 - 788

Опубликована: Март 12, 2024

In the quest for advanced and environmentally friendly solutions to address challenges in field of wastewater treatment, use polymers such as sodium alginate (Na-Alg) combination with immobilized microorganisms (IMs) stands out a promising strategy. This study assesses potential Na-Alg immobilizing emphasizing its effectiveness relevance environmental preservation through IMs. Advances IMs are examined, interactions between these immobilization support highlighted. Additionally, models studying kinetic degradation contaminants importance oxygen supply detailed. The shows promise context improving water quality, preserving ecological balance, addressing climate change, but further research is required overcome identified challenges. Additional areas explore discussed, which expected contribute innovation relevant systems.

Язык: Английский

---

Recent progresses in bentonite/lignin or polysaccharide composites for sustainable water treatment

International Journal of Biological Macromolecules, Год журнала: 2024, Номер 278, С. 134747 - 134747

Опубликована: Авг. 14, 2024

Язык: Английский

---

Preparation and Heavy Metal Adsorption Performance of 2-Aminopyridine-Modified Sodium Alginate/Polyacrylic Acid Hydrogel

Gels, Год журнала: 2025, Номер 11(4), С. 224 - 224

Опубликована: Март 21, 2025

This study utilized the Schiff base reaction as a chemical bonding method to successfully graft 2-aminopyridine onto oxidized sodium alginate, resulting in formation of modified alginate (OSM). Subsequently, OSM/polyacrylic acid (OSM/PAA) hydrogel was synthesized via thermally initiated free radical polymerization process and evaluated an adsorbent for removal heavy metal ions from wastewater. Comprehensive characterization prepared samples performed using FT-IR, SEM, TGA. The influence temperature, pH, dosage, contact time, ion concentration on adsorption capacity OSM/PAA simulated wastewater thoroughly investigated. Additionally, detailed analysis thermodynamics, kinetics, mechanisms conducted. Experimental results indicated that at 25 °C, pH 5.0, dosage 0.4 g/L, maximum capacities Cu(II), Zn(II), Ni(II) were 367.64 mg/g, 398.4 409.83 respectively. These findings suggest by is spontaneous, heterogeneous with significant potential practical applications treatment.

Язык: Английский

---

Biobased amphoteric aerogel with core-shell structure for the hierarchically efficient adsorption of anionic and cationic dyes

Journal of Hazardous Materials, Год журнала: 2024, Номер 480, С. 136235 - 136235

Опубликована: Окт. 21, 2024

Язык: Английский

---

Synthesis and Characterization of Sodium Alginate Spheres Functionalized with Dicarboxylic Acids for Copper Removal in Aqueous Media

ChemistrySelect, Год журнала: 2025, Номер 10(5)

Опубликована: Фев. 1, 2025

Abstract New polymeric spheres of sodium alginate (AlgNa) containing dicarboxylic acids—maleic acid (MA) and oxalic (OA)—were developed for adsorption copper metal from water. Water capacity, elementary composition, structural, morphological, vibrational, thermal properties were characterized by scanning electron microscopy (SEM), intumescence degree (IG), X‐ray diffraction (XRD), Fourier transform infrared (FT‐IR) spectroscopy, differential calorimetry. SEM data revealed that functionalization with acids affects the morphology surface AlgNa matrix. Sample MA (0.35 ± 0.004 g) absorbs more water than OA sphere (0.28 0.007 g). XRD patterns showed AlgNa–MA samples exhibit an amorphous nature, whereas AlgNa–OA sample has a partially crystalline phase. Adsorption experiments conducted to analyze whether synthesized could be optimized reach best performance in adsorption. The adsorbents most efficient at highest dosage used (250 mg), corresponding removal percentages 84.54 3.97% (AlgNa), 94.21 3.04% (AlgNa–MA), 84.22 3.39% (AlgNa–OA). energy‐dispersive spectroscopy maps validated incorporation Cu 2+ ions on adsorbents. Kinetic isotherm assays confirmed efficiency spheres.

Язык: Английский

---

Alginate-Based (Nano) Materials for Dyes and Metals Uptake

Elsevier eBooks, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Язык: Английский

---

Research progress on the application of hydrogel adsorbent materials in wastewater treatment: A review

Process Safety and Environmental Protection, Год журнала: 2025, Номер unknown

Опубликована: Фев. 1, 2025

Язык: Английский

---

Metal–Phenolic Network-Loaded Sodium Alginate-Based Antibacterial and Antioxidant Films Incorporated with Geranium Essential Oil

Polysaccharides, Год журнала: 2025, Номер 6(1), С. 15 - 15

Опубликована: Фев. 26, 2025

Owing to its natural degradability and excellent film-forming characteristics, sodium alginate (SA) is gaining growing popularity in the field of food packaging. However, insufficient antioxidant antibacterial properties hinder application. In current research, protocatechuic acid (PCA) Fe3+ were utilized fabricate a metal polyphenol network structure. Subsequently, geranium essential oil emulsion (GEOE) was incorporated into SA matrix, SA-based films prepared through flat-sheet casting method. The impacts PCA/Fe various concentrations GEOE on physical, structural, as well functional characteristics comprehensively examined. thickness between 30 50 μm. results showed that PCA/Fe, GEOE, exhibited good biocompatibility, formed uniform. incorporation significantly improved UV blocking ability, thermal stability, activity films. addition, enhanced total capacity from 3.5% 88%. This research could provide some theoretical basis for utilization networks oils within realm active packaging

Язык: Английский

---