Porous and biofouling-resistant amidoxime-based hybrid hydrogel with excellent interfacial compatibility for high-performance recovery of uranium from seawater

Article Engineering, Environmental

Comprehensive biocompatible hemp fibers improved by phosphate zwitterion with high U(VI) affinity in the marine conditions

Huiquan Gu et al.

Summary: The study successfully developed a novel adsorbent for uranium extraction in seawater by functionalizing hemp fibers, which demonstrated superior adsorption performance and antifouling properties.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Highly enhanced adsorption performance to uranium(VI) by facile synthesized hydroxyapatite aerogel

Ting Xiong et al.

Summary: The study demonstrated that the HAP aerogel showed high adsorption efficiency for uranium in wastewater, achieving a removal efficiency of 99.4% within a short period of time, with a maximum adsorption capacity at low pH and temperature. The continuous porous structure of the HAP aerogel provided more active sites for uranium adsorption, making it a potential high efficiency adsorbent for uranium-containing wastewater treatment.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Engineering, Environmental

Removed heavy metal ions from wastewater reuse for chemiluminescence: Successive application of lignin-based composite hydrogels

Gao-Jie Jiao et al.

Summary: The novel sulfomethylated lignin-grafted-polyacrylic acid (SL-g-PAA) hydrogel was fabricated for efficient removal of heavy metal ions from wastewater, and successfully reused for chemiluminescence. The hydrogel showed high content of lignin and exhibited efficient removal of various metal ions, while the spent hydrogel was reused to develop a new CL system with high intensity and long duration time. The combination of facile fabrication process, renewable raw materials, and ingenious strategy for successive application in adsorption and CL suggest great potential for application in wastewater treatment, biological imaging, and cold light sources.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Engineering, Chemical

Carbon cloth as an important electrode support for the high selective electrosorption of uranium from acidic uranium mine wastewater

Meng Pan et al.

Summary: The amidoxime modified carbon cloth electrode was effective for uranium electrosorption at low pH value of 2. Results showed a UO22+ removal rate of 94.3% at pH=2. Under optimal conditions, CC-AO had the highest UO22+ selectivity in simulated acidic uranium mine wastewater.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Article Engineering, Chemical

Solar light-responsive CdS/UiO-66-NH2 for ultrafast uranium reduction from uranium-containing mine wastewater without external sacrificial agents

Zifan Li et al.

Summary: In this study, CdS/UiO-66-NH2 nanoparticles photocatalysts were successfully prepared and applied for the efficient reduction of uranium hexavalent without sacrificial agents. The results showed that under sunlight irradiation, a significant amount of U(VI) in the mine wastewater can be removed. This work represents an important step towards remediation of radioactive environment from mine wastewater, and promotes the extensive application of photocatalysis technology.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Review Chemistry, Multidisciplinary

Chemistry of Chitosan Aerogels: Three-Dimensional Pore Control for Tailored Applications

Satoru Takeshita et al.

Summary: Chitosan, derived from food waste, is a biopolymer with high biocompatibility and easy chemical processability. Porous chitosan materials vary widely in properties, from supercritically dried mesoporous chitosan aerogels to very light freeze-dried macroporous scaffolds. Despite impressive performance at the laboratory scale, the highly porous nature of chitosan amplifies both its beneficial functionality and drawbacks, posing serious barriers to industrialization.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Nanoscience & Nanotechnology

Supramolecularly Poly(amidoxime)-Loaded Macroporous Resin for Fast Uranium Recovery from Seawater and Uranium-Containing Wastewater

Shunxi Wen et al.

Summary: The new PLMR adsorbent shows highly efficient uranium adsorption performance, allowing for quick and massive recovery of uranium from seawater and uranium-containing wastewater.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Engineering, Environmental

Amidoximated cellulose microspheres synthesized via homogenous reactions for High-Performance extraction of uranium from seawater

Shi-Cheng Liu et al.

Summary: The study introduces a method for uranium recovery from seawater using amidoximated cellulose as adsorbents, fabricated through two steps of homogeneous reactions. These adsorbents exhibit excellent properties in resisting marine pollutants and enhancing mass transfer performance.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Environmental

Charge balanced anti-adhesive polyacrylamidoxime hydrogel membrane for enhancing uranium extraction from seawater

Yihui Yuan et al.

Summary: The study found that constructing a charge balanced adsorbent can effectively control the complex marine fouling encountered during uranium extraction from seawater, thereby increasing the uranium extraction rate.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Environmental

Simple one-step synthesis of woven amidoximated natural material bamboo strips for uranium extraction from seawater

Ying Wang et al.

Summary: This study successfully utilized amidoximized bamboo strips to create a macro-shaped adsorbent with excellent adsorption properties, leading to the extraction of U(VI) from seawater and showing great potential for industrial applications.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Physical

Sunlight-induced uranium extraction with triazine-based carbon nitride as both photocatalyst and adsorbent

Shuang Liu et al.

Summary: The SUPER method utilizing a bifunctional carbon nitride material, CN550, has shown a significant improvement in both uranium adsorption capacity and photocatalytic activity. Compared to the pure physicochemical adsorption (PA) method, the SUPER method achieved a tenfold higher uranium extraction capacity, reaching up to 1556 mg g(-1).

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Applied

Synthesis of zinc hydroxystannate/reduced graphene oxide composites using chitosan to improve poly(vinyl chloride) performance

Zhiyong Huo et al.

Summary: A novel flame retardant was synthesized by using chitosan-modified zinc hydroxystannate and reduced graphene oxide to enhance the performance of flexible poly(vinyl chloride). The results showed that this flame retardant could effectively reduce the heat release and smoke emission of PVC composites.

CARBOHYDRATE POLYMERS (2021)

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Article Environmental Sciences

Enhanced adsorption activity for phosphate removal by functional lignin-derived carbon-based adsorbent: Optimization, performance and evaluation

Gao-Jie Jiao et al.

Summary: This study reports a MgO-functionalized lignin-based bio-charcoal as an efficient adsorbent for phosphate removal, showing excellent adsorption activity and regeneration ability. The MFLC exhibits extremely high adsorption activity and removal efficiency at low phosphate concentrations, and the loading content of MgO and particle size effectively enhance its phosphate adsorption activity.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Chemistry, Multidisciplinary

Photoinduced Enhancement of Uranium Extraction from Seawater by MOF/Black Phosphorus Quantum Dots Heterojunction Anchored on Cellulose Nanofiber Aerogel

Mengwei Chen et al.

Summary: The BP@CNF-MOF high-efficiency uranium adsorbents are fabricated by anchoring UiO-66-NH2/black phosphorus quantum dots heterojunctions on carboxyl cellulose nanofiber aerogel. The adsorbents demonstrate good mechanical flexibility and enhanced adsorption efficiency under light irradiation due to the excellent heterogeneous photocatalytic activity of MOF/BPQDs. The strategy could potentially be applied to enhance adsorption efficiency of other superior MOF crystals as well.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Engineering, Chemical

Water-endurable intercalated graphene oxide adsorbent with highly efficient uranium capture from acidic wastewater

Peipei Yang et al.

Summary: By introducing a macromolecular to manipulate the interlayer of graphene oxide (GO), the GO-pAM-MBA composite was successfully constructed with improved adsorption capacity and water-endurance. The composite showed a higher uranium uptake capacity in aqueous solutions and performed well in real uranium mine wastewater.

SEPARATION AND PURIFICATION TECHNOLOGY (2021)

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Article Engineering, Chemical

Recovery of uranium with bisphosphonate modified mesoporous silicon

Rinez Thapa et al.

Summary: A novel nanostructured adsorbent was successfully employed to selectively remove uranium from tailing produced by processing real ore samples, demonstrating high selectivity towards uranium and stability in repeated adsorption/desorption cycles. The adsorbent, consisting of bisphosphonate ligands grafted on stable carbonized surfaces of mesoporous silicon, showed potential for industrial applications with the ability to capture and release uranium efficiently.

SEPARATION AND PURIFICATION TECHNOLOGY (2021)

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Article Green & Sustainable Science & Technology

Selective extraction of uranium from seawater with biofouling-resistant polymeric peptide

Yihui Yuan et al.

Summary: Nuclear power could still be a reliable and carbon-free energy source in the near term, with the oceans containing 1,000 times more uranium reserves than terrestrial resources. However, the development of uranium extraction technology from seawater faces challenges due to the low concentration of uranium and the presence of other metal ions and microorganisms.

NATURE SUSTAINABILITY (2021)

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Article Chemistry, Multidisciplinary

Uranium In Situ Electrolytic Deposition with a Reusable Functional Graphene-Foam Electrode

Chao Wang et al.

Summary: An in situ electrolytic deposition method using 3D-FrGOF as the working electrode for extracting uranium from aqueous solution is reported, showing high efficiency and low energy consumption. The method successfully reduces uranium concentration in seawater to below US EPA drinking water limits, with the electrode being efficiently regenerated and recycled multiple times.

ADVANCED MATERIALS (2021)

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Article Engineering, Environmental

Preparation of amidoxime modified porous organic polymer flowers for selective uranium recovery from seawater

Mudasir Ahmad et al.

Summary: The study focused on the synthesis of amidoxime modified porous organic polymer flower-like structure (POP-AOF) adsorbent for efficient uranium(VI) removal from seawater and simulated solutions. POP-AOF showed great potential in energy and environmental applications due to its high functionality, high selectivity, and multistep kinetics controlled by secondary building units. Coordination with uranium(VI) in seawater was achieved through amidoxime groups acting as bidentate ligands, indicating the promise of acrylonitrile and amidoxime chemistry in developing new adsorbents for uranium(VI) removal.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Environmental

High-Capacity Amidoxime-Functionalized β-Cyclodextrin/Graphene Aerogel for Selective Uranium Capture

Nan Li et al.

Summary: Researchers have developed a new material, GDC, for efficient and selective uranium extraction from seawater, offering advantages such as rapid equilibrium, high adsorption capacity, excellent selectivity, and good mechanical integrity. The material can be easily regenerated and maintains a high reusability rate after multiple adsorption-desorption cycles, showing great potential for practical applications.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2021)

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Article Chemistry, Physical

Anti-bacterial and super-hydrophilic bamboo charcoal with amidoxime modified for efficient and selective uranium extraction from seawater

Ying Wang et al.

Summary: This study successfully synthesized two types of amidoxime modified bamboo charcoal with porous structure, anti-bacterial, and super-hydrophilic properties, and found that one of them exhibited ultra-high uranium adsorption capacity and exceptional selectivity for uranium, showing potential application prospects for uranium extraction from seawater.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Article Engineering, Environmental

Polyguanidine-modified adsorbent to enhance marine applicability for uranium recovery from seawater

Ningning He et al.

Summary: This study focuses on the crucial characteristics of adsorbents for recovering uranium from seawater, with a particular emphasis on marine applicability and adsorption performance. By introducing a new structure, the researchers were able to optimize the material for marine environments and enhance its adsorption capabilities, potentially providing a promising adsorbent for engineering applications.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Chemistry, Physical

A proton-exchange poly(acrylic acid) supramolecular hydrogel for ultrahigh uranium adsorption

Zhongkuan Sun et al.

Summary: This study introduced a PAA supramolecular hydrogel with physical cross-linking, capable of efficiently removing uranyl ions from uranium-containing wastewater through hydrogen bonding interactions in an acidic environment. The PAA hydrogel exhibited outstanding uranium adsorption capacity and tolerance to high-concentration metal cations.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Review Materials Science, Biomaterials

Advances in multifunctional chitosan-based self-healing hydrogels for biomedical applications

Yi Ou et al.

Summary: Chitosan, a natural polycationic polysaccharide, plays a vital role in the formation of self-healing hydrogels with multiple functionalities. The self-healing mechanisms involve various physical and chemical interactions, providing strategies for multifunctionalization. Additionally, chitosan-based self-healing hydrogels find wide applications in wound dressings, delivery vehicles, scaffolds, and biological sensors.

JOURNAL OF MATERIALS CHEMISTRY B (2021)

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Article Chemistry, Physical

Highly efficient extraction of uranium from strong HNO3 media achieved on phosphine oxide functionalized superparamagnetic composite polymer microspheres

Shiao Zhang et al.

Summary: This study successfully developed magnetic nanoparticles with good acid resistance for efficient uranium adsorption in strong acidic media. The adsorbent demonstrated excellent adsorption performance and selectivity in 4 mol/L HNO3.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Physical

Constructing adjacent phosphine oxide ligands confined in mesoporous Zr-MOFs for uranium capture from acidic medium

Wen Zhang et al.

Summary: Deliberate design and construction of phosphine oxide host architectures in the confined mesopores of MOFs allows for high-efficiency complexation of uranium with high adsorption capacity and ultrafast sorption rate.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Multidisciplinary

An Ion-Crosslinked Supramolecular Hydrogel for Ultrahigh and Fast Uranium Recovery from Seawater

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Photoinduced Multiple Effects to Enhance Uranium Extraction from Natural Seawater by Black Phosphorus Nanosheets

Yihui Yuan et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Constructing an Ion Pathway for Uranium Extraction from Seawater

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CHEM (2020)

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Amidoximated cellulose fiber membrane for uranium extraction from simulated seawater

Ying Wang et al.

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DNA nano-pocket for ultra-selective uranyl extraction from seawater

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Ultrahigh and economical uranium extraction from seawater via interconnected open-pore architecture poly(amidoxime) fiber

Xiao Xu et al.

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Aqueous Solution Blow Spinning of Seawater-Stable Polyamidoxime Nanofibers from Water-Soluble Precursor for Uranium Extraction from Seawater

Xin Xu et al.

SMALL METHODS (2020)

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Amidoxime-based materials for uranium recovery and removal

Ning Tang et al.

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Ultrasound-assisted synthesis of chitosan from fungal precursors for biomedical applications

Li-Fang Zhu et al.

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Synthesis of amidoxime-decorated 3D cubic mesoporous silica via self-assembly co-condensation as a superior uranium(VI) adsorbent

Jiang Xiao et al.

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Siderophore-inspired chelator hijacks uranium from aqueous medium

Alexander S. Ivanov et al.

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A Marine-Inspired Hybrid Sponge for Highly Efficient Uranium Extraction from Seawater

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Sunlight Polymerization of Poly(amidoxime) Hydrogel Membrane for Enhanced Uranium Extraction from Seawater

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A Dual-Surface Amidoximated Halloysite Nanotube for High-Efficiency Economical Uranium Extraction from Seawater

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Rational Design of Porous Nanofiber Adsorbent by Blow-Spinning with Ultrahigh Uranium Recovery Capacity from Seawater

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Molecularly Imprinted Porous Aromatic Frameworks and Their Composite Components for Selective Extraction of Uranium Ions

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Chitosan-based hydrogels: From preparation to biomedical applications

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Review on recent progress in chitosan-based hydrogels for wastewater treatment application

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XAFS investigation of polyamidoxime-bound uranyl contests the paradigm from small molecule studies

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Processing of α-chitin nanofibers by dynamic high pressure homogenization: Characterization and antifungal activity against A. niger

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Efficient Uranium Capture by Polysulfide/Layered Double Hydroxide Composites

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Porous and biofouling-resistant amidoxime-based hybrid hydrogel with excellent interfacial compatibility for high-performance recovery of uranium from seawater

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