Magnetic Alginate Carbon Aerogel Adsorbents for Water-/Oil-Soluble Dyes

Li, Xiaran; Zhu, Haishan; Zhang, Yuke; Ruiqi, Meng; Xiong, Zhong; Xia, Yanzhi

doi:10.1007/s11270-023-06203-0

Cited by 9 publications

(1 citation statement)

References 44 publications

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“…Due to their abundance, renewability, and low cost, alginic acids are widely used in food, pharmaceuticals, and biomaterials. In the laboratory, alginate’s abundance of hydroxyl and carboxyl functional groups makes it an ideal raw material for the preparation of a variety of functional adsorbents. − Through various transformations of these functional groups, functional alginate-based adsorbents can be obtained, resulting in excellent adsorption properties for organic compounds (VOCs), heavy metals, − dyes, , particulate matter (PM2.5), etc., while maintaining low cost and environmental compatibility. Therefore, alginate-based functional composites have received increasing attention in the production of green, low-cost adsorbents.…”

Section: Introductionmentioning

confidence: 99%

Alginate-Based Ionic Polymer Composite Derived from Seaweeds for Efficient Iodine Capture

Huang,

Fu,

Wang

et al. 2024

ACS Sustainable Chem. Eng.

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Materials capable of separating and removing iodine vapor from nuclear fuel reprocessing off-gases are significant to our environment, especially for human health. Adsorption is an effective and widely used separation method. In this work, a novel biomass alginate-based composite [N 1111 ][Alg]@MF was fabricated by modifying biomass polymers from seaweeds and used for effective iodine capture. Starting materials such as [N 1111 ][Alg] @MF are accessible and low-cost. Benefiting from abundant functional groups in alginate and the high porosity provided by MF, the iodine adsorption capacity of [N 1111 ][Alg]@MF was as high as 5.82 g g −1 , and the adsorption equilibrium could reach within 9 h. The combined experimental characterization and theoretical density functional theory calculations clearly reveal the I 2 capture mechanism. The abundant hydroxyl and carboxyl functional groups in [Alg] − played an important role in the accumulation of iodine. In addition, the high physicochemical stability makes [N 1111 ][Alg]@MF exhibit very excellent I 2 adsorption recyclability, which highlights their great potential in practical applications. Given the worldwide abundance and renewability of seaweeds, [N 1111 ][Alg]@MF can easily be employed as low-cost, large-scale applied green adsorbents for effective iodine capture.

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