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Marine polysaccharide-based hydrogels for critical materials selective removal and recovery: A review

COORDINATION CHEMISTRY REVIEWS (2023)

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Lithium Extraction Techniques and the Application Potential of Different Sorbents for Lithium Recovery from Brines

Rebekka Reich et al.

Summary: Geothermal power plants produce high-temperature fluids enriched in lithium, which remains an unprocessed resource. To meet the increasing demand for lithium, it is crucial to explore new degradable lithium resources. Sorption and ion exchange methods show the highest potential for lithium extraction. Promising inorganic sorbents include lithium-manganese oxide, iron phosphate, and zeolite. Evaluating their effectiveness in large-scale industrial production under geothermal conditions is important.

MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW (2023)

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Article Engineering, Chemical

Single-Step Fabrication of a Dual-Sensitive Chitosan Hydrogel by C-Mannich Reaction: Synthesis, Physicochemical Properties, and Screening of its Cu2+ Uptake

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Summary: In this study, a novel modified chitosan functional hydrogel was fabricated using a process-efficient protocol. The hydrogel showed dual-responsive swelling behavior to pH and temperature, which is unique compared to other hydrogel systems. Under the optimal swelling conditions (pH = 4, temperature = 22℃), the hydrogel exhibited an adsorption capacity of 12.0 mg/g for Cu2+ after 36 hours of agitation with 1.2 g/L adsorbent dosage. The Cu2+ adsorption on the hydrogel surface was confirmed by EDS, and the adsorption sites were analyzed by FT-IR. The simply fabricated hydrogel presents a promising potential for heavy metal removal from aqueous media.

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Conductive polymer hydrogels crosslinked by electrostatic interaction with PEDOT:PSS dopant for bioelectronics application

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CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

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Devlina Das et al.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Engineering, Environmental

Adsorption and recovery of lithium ions from groundwater using date pits impregnated with cellulose nanocrystals and ionic liquid

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Summary: The study aimed to prepare a novel low-cost and eco-friendly adsorbent, IL-CNC@DP, by impregnating date pits with cellulose nanocrystals (CNCs) and ionic liquid (IL). The batch adsorption process showed that IL-CNC@DP adsorption of lithium was exothermic, not disorder-favoring, and spontaneous. The enhanced removal efficiency of Li+ by IL-CNC@DP compared to DP was attributed to electrostatic attraction forces and hydrogen bonding, with potential selectivity towards different elements in groundwater samples isolated in Qatar.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Chemistry, Physical

Rare Earth Group Separation after Extraction Using Sodium Diethyldithiocarbamate/Polyvinyl Chloride from Lamprophyre Dykes Leachate

Eman M. Allam et al.

Summary: This study presents a novel adsorbent, sodium diethyldithiocarbamate/polyvinyl chloride (DdTC/PVC), for rare earth element (REE) sorption, which has higher adsorption properties and easier synthesis compared to other sorbents. The three-liquid-phase extraction technique (TLPE) was used to separate REEs into three groups. The synthesized DdTC/PVC was characterized and the factors affecting the sorption process were analyzed. The desorption of rare earth ions from DdTC/PVC was also investigated. The extracted rare earth oxalate concentrate was utilized for further separation into three groups via TLPE. This technique is simple and suitable for extracting REEs.

MATERIALS (2022)

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Article Chemistry, Physical

Fabrication, Characterization and Evaluation of an Alginate-Lignin Composite for Rare-Earth Elements Recovery

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Himanshu Patel

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CHEMICAL ENGINEERING JOURNAL (2022)

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An acid baking approach to enhance heavy rare earth recovery from bituminous coal-based sources

Ahmad Nawab et al.

Summary: This study introduces a new method for recovering rare earth elements (REEs), especially heavy rare earth elements (HREEs), from coal at lower acid concentrations. Different treatment methods, including roasting and direct acid baking, were investigated and compared. The results showed that direct acid baking at a lower temperature provided the best recovery of both light rare earth elements (LREEs) and HREEs. Roasting followed by acid baking also achieved high recovery rates. The improved recovery was attributed to the dehydroxylation of clay minerals and subsequent release of REE-bearing minerals.

MINERALS ENGINEERING (2022)

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Article Polymer Science

UV-Cured Chitosan and Gelatin Hydrogels for the Removal of As(V) and Pb(II) from Water

Camilla Noe et al.

Summary: New photocurable biobased hydrogels derived from chitosan and gelatin were designed and tested as sorbents for As(V) and Pb(II) removal from water. The modified hydrogels showed high swelling capability and demonstrated potential as effective sorbents for heavy metal removal from polluted waters.

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Modeling and equilibrium studies on the recovery of praseodymium (III), dysprosium (III) and yttrium (III) using acidic cation exchange resin

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Summary: This research focuses on the possibility of using hydrogenated Dowex 50WX8 resin for the recovery and separation of Pr(III), Dy(III) and Y(III) from aqueous nitrate solutions. The experimental results demonstrate that the sorption efficiency of the metal ions decreases with increasing nitric acid concentration. The maximum sorption capacity is 30.0, 50.0 and 60.0 mg/g for Pr(III), DY(III) and Y(III), respectively. The sorption isotherm results suggest that Pr(III) and Y(II) follow a nonlinear Langmuir isotherm model, while Dy(III) fits a nonlinear Toth isotherm model. A flow sheet summarizing the sorption and desorption processes is provided.

BMC CHEMISTRY (2022)

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Article Engineering, Environmental

Highly flexible interconnected Li+ ion-sieve porous hydrogels with self-regulating nanonetwork structure for marine lithium recovery

Zhixiang Meng et al.

Summary: In this research, a self-regulating strategy was used to design LIS porous hydrogels with controllable porosity, high flexibility, good swelling ability, and excellent cycle stability to address the growing Li+ demanding challenges. The hydrogel exhibited superior Li+ adsorption performance and recyclability in a marine environment.

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Highly Porous Self-Supporting Graphene Oxide-Based Membranes for the Selective Separation of Lithium Ions

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Summary: This study presents a highly porous self-supporting graphene oxide-based membrane modified with carbon nanotubes and crown ethers for the accurate recognition and selective adsorption of lithium ions. The membrane exhibits a larger contact area and tunable adsorption behavior, with high adsorption capacity and separation factors against other ions. This work demonstrates an effective approach for the selective adsorption of lithium ions using vacuum filtration technology.

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Summary: Designing and preparing a fast and easy-to-use immunosensing biochip are crucial for clinical diagnosis and biomedical research. In this study, an all-printed immunosensing biochip with hydrodynamic enrichment and photonic crystal-enhanced fluorescence is demonstrated. Quantitative detection of cardiac biomarkers is achieved in just 10 minutes using one drop of blood. This approach provides a general and user-friendly method for fast quantitative detection of biomarkers, which can be further improved for portable clinical diagnostics and home medical monitoring.

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Technology for the Recovery of Lithium from Geothermal Brines

William T. Stringfellow et al.

Summary: This paper examines the challenges and latest technologies in developing sustainable lithium production from geothermal brines. The most advanced technology for direct lithium extraction from geothermal brines is adsorption of lithium using inorganic sorbents, with other promising extraction technologies still in early development stages.

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Photopolymerizable chitosan hydrogels with improved strength and 3D printability

Mengfan Zhang et al.

Summary: Chitosan hydrogel has great potential in biomedical applications due to its biocompatibility and similarity to native extracellular matrix. However, 3D printing of chitosan hydrogel often faces challenges with formability and mechanical properties. This study introduces a novel chitosan hydrogel prepared from maleic chitosan and thiol-terminated poly (ethylene glycol) which showed improved gelling rate and compressive strength compared to pure chitosan hydrogel. The 3D printing of this hydrogel demonstrates printing accuracy and scaffold stability, making it a promising material for biomedical applications like tissue engineering and drug delivery.

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A study of rare earth ion-adsorption clays: The speciation of rare earth elements on kaolinite at basic pH

Xu Feng et al.

Summary: Synthesized rare earth ion-adsorption clays prepared from kaolinite at basic pH exhibit high rare earth ion-exchange efficiency, with the adsorption of REEs on kaolinite surface concentration being pH dependent.

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Key designs of a short-bore and cryogen-free high temperature superconducting magnet system for 14 T whole-body MRI

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SUPERCONDUCTOR SCIENCE & TECHNOLOGY (2021)

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Article Polymer Science

Equilibrium, Thermodynamic, Reuse, and Selectivity Studies for the Bioadsorption of Lanthanum onto Sericin/Alginate/Poly(vinyl alcohol) Particles

Talles Barcelos da Costa et al.

Summary: In a situation with high demand, low supply, and high economic value, the recovery of rare-earth metals from wastewater is attractive. This study focused on lanthanum bioadsorption using a polymeric bioadsorbent and found promising results in terms of equilibrium, thermodynamics, regeneration, and selectivity. The biocomposite showed effectiveness in removing and recovering lanthanum from water.

POLYMERS (2021)

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Article Multidisciplinary Sciences

Novel reusable hydrogel adsorbents for precious metal recycle

Thakshila N. Dharmapriya et al.

Summary: A novel ATU-PEGDA hydrogel was synthesized through photo-reaction for efficient recycling of heavy metals Ag(I) and Pd(II) from electrolytic wastewater, demonstrating high selectivity and regenerative capability.

SCIENTIFIC REPORTS (2021)

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Review Polymer Science

Chitosan: An Overview of Its Properties and Applications

Inmaculada Aranaz et al.

Summary: Chitosan, a polymer with diverse properties and potential applications, is facing challenges such as poor solubility, complex molecular structure, and varied biological properties. Researchers are exploring the chemistry of chitosan to improve its solubility and enhance its properties, focusing on its biological and technological performance. Additionally, applications of chitosan in green processes, such as the synthesis of metallic nanoparticles and support for biocatalysts, are being investigated for their potential in drug delivery systems.

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Intermolecular interactions of chitosan: Degree of acetylation and molecular weight

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Beneficiation of Low-Grade Rare Earth Ore from Khalzan Buregtei Deposit (Mongolia) by Magnetic Separation

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Sihan Feng et al.

Summary: The ethylenediamine tetraacetic acid modified chitosan (EDTA-CS) further modified with zeolite imidazole framework (ZIF-8) showed promising adsorption capacity for rare-earth elements (REEs) removal. The material exhibited stable and reusable adsorption properties, making it a potential candidate for wastewater treatment applications.

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES (2021)

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ACS BIOMATERIALS SCIENCE & ENGINEERING (2021)

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PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2021)

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Physicochemical properties and characterization of chitosan synthesized from fish scales, crab and shrimp shells

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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2017)

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Effects of free radical initiators on polyethylene glycol dimethacrylate hydrogel properties and biocompatibility

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JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A (2017)

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Synthesis of ion imprinted polymers for selective recognition and separation of rare earth metals

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JOURNAL OF RARE EARTHS (2017)

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Article Chemistry, Applied

Effect of ionic and covalent crosslinking agents on properties of chitosan beads and sorption effectiveness of Reactive Black 5 dye

Tomasz Jozwiak et al.

REACTIVE & FUNCTIONAL POLYMERS (2017)

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Article Engineering, Chemical

An ion imprinted macroporous chitosan membrane for efficiently selective adsorption of dysprosium

Enli Liu et al.

SEPARATION AND PURIFICATION TECHNOLOGY (2017)

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Article Chemistry, Physical

Mechanism of Lithium Metal Penetration through Inorganic Solid Electrolytes

Lukas Porz et al.

ADVANCED ENERGY MATERIALS (2017)

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Review Pharmacology & Pharmacy

Cross-Linked Hydrogel for Pharmaceutical Applications: A Review

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Electrochemical Extraction of Rare Earth Metals in Molten Fluorides: Conversion of Rare Earth Oxides into Rare Earth Fluorides Using Fluoride Additives

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Article Chemistry, Applied

Freeze-thaw induced gelation of alginates

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Structural hydrogels

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POLYMER (2016)

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Two in one: use of azide functionality for controlled photo-crosslinking and click-modification of polymer microspheres

Marco Albuszis et al.

POLYMER CHEMISTRY (2016)

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Article Chemistry, Physical

Thermoresponsive physical hydrogels of poly(lactic acid)/poly(ethylene glycol) stereoblock copolymers tuned by stereostructure and hydrophobic block sequence

Hailiang Mao et al.

SOFT MATTER (2016)

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Review Pharmacology & Pharmacy

Methods of synthesis of hydrogels ... A review

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SAUDI PHARMACEUTICAL JOURNAL (2016)

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Water-soluble photopolymerizable chitosan hydrogels for biofabrication via two-photon polymerization

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ACTA BIOMATERIALIA (2015)

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Article Metallurgy & Metallurgical Engineering

Extraction of lithium from lepidolite via iron sulphide roasting and water leaching

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HYDROMETALLURGY (2015)

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Review Biochemistry & Molecular Biology

Formaldehyde Crosslinking: A Tool for the Study of Chromatin Complexes

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Review Chemistry, Medicinal

Seaweed Hydrocolloid Production: An Update on Enzyme Assisted Extraction and Modification Technologies

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Article Multidisciplinary Sciences

Adsorption of Rare Earths(III) Using an Efficient Sodium Alginate Hydrogel Cross-Linked with Poly-γ-Glutamate

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PLOS ONE (2015)

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Bioinspired Tuning of Hydrogel Permeability-Rigidity Dependency for 3D Cell Culture

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Exploiting Electrostatic Interactions in Polymer-Nanoparticle Hydrogels

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ACS MACRO LETTERS (2015)

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A general post-synthetic modification approach of amino-tagged metal-organic frameworks to access efficient catalysts for the Knoevenagel condensation reaction

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Review Metallurgy & Metallurgical Engineering

Extraction of lithium from primary and secondary sources by pre-treatment, leaching and separation: A comprehensive review

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Article Nanoscience & Nanotechnology

Synthesis, characterization, controlled release, and antibacterial studies of a novel streptomycin chitosan magnetic nanoantibiotic

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Review Chemistry, Multidisciplinary

In situ gelling pH- and temperature-sensitive biodegradable block copolymer hydrogels for drug delivery

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Review Engineering, Chemical

A critical review on solvent extraction of rare earths from aqueous solutions

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Article Engineering, Chemical

Processing a rare earth mineral deposit using gravity and magnetic separation

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MINERALS ENGINEERING (2014)

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Study on separation of heavy rare earth elements by solvent extraction with organophosphorus acids and amine reagents

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MINERALS ENGINEERING (2014)

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Article Chemistry, Physical

Adsorption performance of functionalized chitosan-silica hybrid materials toward rare earths

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JOURNAL OF MATERIALS CHEMISTRY A (2014)

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Review Energy & Fuels

Life-cycle assessment of the production of rare-earth elements for energy applications: a review

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FRONTIERS IN ENERGY RESEARCH (2014)

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Review Pharmacology & Pharmacy

Hydrogels for delivery of bioactive agents: A historical perspective

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ADVANCED DRUG DELIVERY REVIEWS (2013)

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Review Engineering, Chemical

A review of the beneficiation of rare earth element bearing minerals

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MINERALS ENGINEERING (2013)

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Article Chemistry, Physical

Physical hydrogels composed of polyampholytes demonstrate high toughness and viscoelasticity

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NATURE MATERIALS (2013)

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Physically crosslinked hydrogels from polysaccharides prepared by freeze-thaw technique

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REACTIVE & FUNCTIONAL POLYMERS (2013)

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Article Chemistry, Physical

The role of crystallization and phase separation in the formation of physically cross-linked PVA hydrogels

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SOFT MATTER (2013)

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Hydrogels for biomedical applications

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Environment-sensitive hydrogels for drug delivery

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ADVANCED DRUG DELIVERY REVIEWS (2012)

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Hydrogels for protein delivery in tissue engineering

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Article Chemistry, Multidisciplinary

Synthesis optimization and characterization of chitosan-coated iron oxide nanoparticles produced for biomedical applications

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Article Chemistry, Applied

Solid-liquid extraction of Gd(III) and separation possibilities of rare earths from phosphoric acid solutions using Tulsion CH-93 and Tulsion CH-90 resins

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Article Biochemistry & Molecular Biology

An Electrostatically Crosslinked Chitosan Hydrogel as a Drug Carrier

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MOLECULES (2012)

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Review Polymer Science

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PROGRESS IN POLYMER SCIENCE (2012)

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Article Biochemistry & Molecular Biology

In Situ Forming Chitosan Hydrogels Prepared via Ionic/Covalent Co-Cross-Linking

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Article Biotechnology & Applied Microbiology

Adsorption of lanthanum by magnetic alginate-chitosan gel beads

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Tough and Self-Healing Hydrogels Formed via Hydrophobic Interactions

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MACROMOLECULES (2011)

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Shellfish and seaweed mariculture increase atmospheric CO2 absorption by coastal ecosystems

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MARINE ECOLOGY PROGRESS SERIES (2011)

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PREPARATION AND PHYSICOCHEMICAL EVALUATION OF BIODEGRADABLE MAGNETIC K-CARRAGEENAN BEADS AND APPLICATION FOR CHROMIUM IONS PRE-CONCENTRATION

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Green Chemistry: Principles and Practice

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CHEMICAL SOCIETY REVIEWS (2010)

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Article Biochemistry & Molecular Biology

Interpenetrating polymer network blend microspheres of chitosan and hydroxyethyl cellulose for controlled release of isoniazid

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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2010)

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Carrageenans as a New Source of Drugs with Metal Binding Properties

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MARINE DRUGS (2010)

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Article Materials Science, Paper & Wood

Comparison between specific surface complexation and Donnan ion-exchange models for describing the adsorption of cations on kraft fibres - literature evidence and EXAFS study of Cu(II) binding

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Article Instruments & Instrumentation

Conversion of 160Gd2O3 to 160Gd by vacuum reduction-distillation

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NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT (2010)

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Article Polymer Science

Relationship between the molecular structure of alginates and their gelation in acidic conditions

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POLYMER INTERNATIONAL (2010)

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Article Biochemistry & Molecular Biology

Semisynthesis of a Controlled Stimuli-Responsive Alginate Hydrogel

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BIOMACROMOLECULES (2009)

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Review Chemistry, Applied

Carrageenans: Biological properties, chemical modifications and structural analysis - A review

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CARBOHYDRATE POLYMERS (2009)

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Review Chemistry, Applied

Genipin-crosslinked chitosan hydrogels as biomedical and pharmaceutical aids

Riccardo A. A. Muzzarelli

CARBOHYDRATE POLYMERS (2009)

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Article Chemistry, Medicinal

Strategies to Overcome pH-Dependent Solubility of Weakly Basic Drugs by Using Different Types of Alginates

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Article Biochemical Research Methods

Separation of rare earth elements by anion-exchange chromatography using ethylenediaminetetraacetic acid as mobile phase

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JOURNAL OF CHROMATOGRAPHY A (2008)

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Article Engineering, Environmental

Bioremediation efficiency in the removal of dissolved inorganic nutrients by the red seaweed, Porphyra yezoensis, cultivated in the open sea

Peimin He et al.

WATER RESEARCH (2008)

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Article Biotechnology & Applied Microbiology

Hydrogels based on u.v.-crosslinked poly(ethylene oxide) -: matrices for immobilization of Candida boidinii cells for xylitol production

Eleonora Winkelhausen et al.

WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY (2008)

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Article Polymer Science

Optimization of synthesis conditions of a novel carrageenan-based superabsorbent hydrogel by Taguchi method and investigation of its metal ions adsorption

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JOURNAL OF APPLIED POLYMER SCIENCE (2008)

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Article Biotechnology & Applied Microbiology

Hydrogels based on u.v.-crosslinked poly(ethylene oxide) - matrices for immobilization of Candida boidinii cells for xylitol production

Eleonora Winkelhausen et al.

WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY (2008)

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Article Chemistry, Applied

Solubility and property of chitin in NaOH/urea aqueous solution

Xianwen Hu et al.

CARBOHYDRATE POLYMERS (2007)

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Article Chemistry, Physical

Fabrication and manipulation of ionotropic hydrogels cross-linked by paramagnetic ions

Adam Winkleman et al.

CHEMISTRY OF MATERIALS (2007)

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Article Environmental Sciences

Influence of solution acidity and CaCl2 concentration on the removal of heavy metals from metal-contaminated rice soils

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ENVIRONMENTAL POLLUTION (2006)

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Article Metallurgy & Metallurgical Engineering

Extraction of rare earths and yttrium with high molecular weight carboxylic acids

DK Singh et al.

HYDROMETALLURGY (2006)

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Experimental integrated aquaculture of fish and red seaweeds in Northern Portugal

J Matos et al.

AQUACULTURE (2006)

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Article Chemistry, Applied

Similarities and differences between alginic acid gels and ionically crosslinked alginate gels

KI Draget et al.

FOOD HYDROCOLLOIDS (2006)

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Review Polymer Science

Recent developments in polysaccharide-based materials used as adsorbents in wastewater treatment

G Crini

PROGRESS IN POLYMER SCIENCE (2005)

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Article Biochemistry & Molecular Biology

Molecular basis of Ca2+-induced gelation in alginates and pectins:: The egg-box model revisited

I Braccini et al.

BIOMACROMOLECULES (2001)

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Article Cardiac & Cardiovascular Systems

Reconstruction of the right ventricular outflow tract with a bovine jugular vein graft fixed with a naturally occurring crosslinking agent (genipin) in a canine model

Y Chang et al.

JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY (2001)

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Article Polymer Science

Gelation mechanism of κ- and ι-carrageenan investigated by correlation between the strain-optical coefficient and the dynamic shear modulus

M Takemasa et al.

MACROMOLECULES (2001)

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Review Chemistry, Multidisciplinary

Hydrogels for tissue engineering

KY Lee et al.

CHEMICAL REVIEWS (2001)

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Article Engineering, Chemical

Recovery of lithium from seawater using manganese oxide adsorbent (H1.6Mn1.6O4) derived from Li1.6Mn1.6O4

R Chitrakar et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2001)

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