Modified basalt fibers boost performance of constructed wetlands: Comparison between surface coating and chemical grafting

Qian, Xiuwen; Huang, Juan; Ji, Xiaoyu; Yan, Chunni; Cao, Chong; Wu, Yufeng; Wang, Xinyue

doi:10.1016/j.biortech.2024.130492

Cited by 9 publications

(1 citation statement)

References 46 publications

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“…Various methods can be used for surface modification, including acid-base etching modification, plasma modification, coupling surface treatment, ray irradiation treatment, and chemical grafting method [15], [16], [17], [18]. Among them, chemical grafting method could use the reaction groups on the surface of the material and the grafted monomer or macromolecular chain to realize the surface grafting, which can implement the functional regulation of the fiber, so as to improve the overall performance of the fiber asphalt mixture [19], [20]. Mai Kikuchi et al [21] grafted graphene on the surface of the carbon fibers through the covalent bonding, apparent interfacial shear strength (IFSS) increased by 42.1% compared with the original carbon fibers.…”

Section: Introductionmentioning

confidence: 99%

Study on the performance of ATP grafting basalt fiber based on the plant root bionic idea and its adsorption characteristics with asphalt

YANG,

LIU,

LIU

et al. 2024

Preprint

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Nano-attapulgite (ATP) is a layered silicate mineral with abundant reserves, large specific surface area, and low cost. The unique structure of ATP has attracted wide attention in the field of adsorption. In this study, a preparation technology of ATP grafting basalt fiber (BF) was proposed by chemical grafting method based on the idea of plant root bionics. The optimal preparation process of ATP grafting BF was determined through the tests of asphalt absorption performance, thermal stability performance, and segregation dispersion performance. The mechanism of ATP grafting BF was analyzed by micro-morphology, functional group changes, and elemental composition. Finally, the adsorption performance of ATP grafting BF was investigated on the basis of adsorption kinetics model and molecular dynamics simulation. The study results indicated that ATP-BFHCl had better compatibility and wettability with asphalt. The quasi-second-order kinetic equation could better fit the adsorption process of ATP-BFHCl on asphaltene, which indicated that ATP-BFHCl adsorbed asphaltene with chemisorption or ion exchange. The diffusion coefficient and diffusion activation energy of the saturate and the aromatic were larger, indicating a smaller molecular weight and faster movement, and lightweight components of asphalt are more easily adsorbed on the surface of ATP. The diffusion activation energy of asphaltene is the smallest and the reaction is the easiest to take place, which indicates that it is the first to react during temperature increase. The research results can provide a theoretical basis and technical support for BF surface treatment technology.

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Section: Introductionmentioning

confidence: 99%

Study on the performance of ATP grafting basalt fiber based on the plant root bionic idea and its adsorption characteristics with asphalt

YANG,

LIU,

LIU

et al. 2024

Preprint

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Soluble Polyimide Coated UHMWPE Fibers with Multiple Property Enhancements: Surface Activity, Tensile Strength, Heat Resistance, Acid Resistance, and Erasability

Yin,

Li,

et al. 2024

Macromol. Rapid Commun.

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Ultrahigh molecular weight polyethylene (UHMWPE) fibers possess excellent mechanical properties, yet their applications are severely limited by surface inertness and low melting points. To enhance surface activity and temperature resistance, soluble polyimide (PI) is applied to the surface of UHMWPE fibers. A mussel‐inspired biomimetic polycatechol/polyamine (PA) coating is initially constructed on the UHMWPE fiber surface by oxidative self‐polymerization, serving as a secondary reaction platform. Subsequently, multifunctional UHMWPE‐PA‐PI fibers are prepared by depositing soluble PI on the fiber surface via impregnation. The PA and PI layers are firmly bonded by hydrogen bonding interactions and physical adhesion. The results show that the PI‐coated UHMWPE fiber surface exhibits enhanced chemical activity, hydrophilicity, and thermal stability, with an increased thermal decomposition temperature of approximately 30 °C. Compared to pristine UHMWPE, the breaking force of UHMWPE‐PA‐PI fibers increases by 14.9%, and the interfacial adhesion strength between the fiber and rubber improves by 65.5%. The PI coatings also provide thermal insulation, acid resistance, and erasability functionalities. This modification strategy is highly efficient, simple, and less damaging, offering a novel solution to address UHMWPE fibers' surface inertness and temperature intolerance.

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A global scenario of new substrates utilized in constructed wetlands

Zhao,

Yang,

Shen

et al. 2025

Emerging Developments in Constructed Wetlands

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Modified basalt fibers boost performance of constructed wetlands: Comparison between surface coating and chemical grafting

Cited by 9 publications

References 46 publications

Study on the performance of ATP grafting basalt fiber based on the plant root bionic idea and its adsorption characteristics with asphalt

Study on the performance of ATP grafting basalt fiber based on the plant root bionic idea and its adsorption characteristics with asphalt

Soluble Polyimide Coated UHMWPE Fibers with Multiple Property Enhancements: Surface Activity, Tensile Strength, Heat Resistance, Acid Resistance, and Erasability

A global scenario of new substrates utilized in constructed wetlands

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