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<p>Industrial growth is generating alarming amounts of oily wastewater. Because these contaminants don’t degrade readily, they threaten ecosystems and human health. Consequently, identifying efficient and cost-effective materials for separating oil from water, particularly for stable emulsions, is a critical environmental challenge that must be addressed. Organic–inorganic hybrid materials are considered among the most promising options for developing membranes. In this study, a novel gyroid-shaped 3D polyamide-graphite-MoS<sub>2</sub> membrane (PGM@gyroid-3D membrane) was fabricated via selective laser sintering. The composition, structure, morphology, and thermal stability of the fabricated PGM@gyroid-3D membrane were characterized using multiple techniques to elucidate its properties. It was observed that graphene and MoS<sub>2</sub> are uniformly spread on the polyamide surface. The surface exhibits low roughness and crystalline topography. The FTIR results confirm the successful creation of the PGM@gyroid-3D membrane. Tensile, compressive, and flexural tests were performed to evaluate and compare the effects of laser power on specimens fabricated from composite powder and pure PA-12. The separation efficiency of the PGM@gyroid-3D membrane for the tested oils was admirable, suggesting that this membrane is a good candidate for industrial oil-contaminated water treatment.</p>

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Characterization and industrial application of a gyroid-shaped novel graphite and MoS2-modified polyamide 3D membrane

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月1日

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  • Saleh Ahmed Aldahash,
  • Mohammad Kashif Uddin

摘要

Industrial growth is generating alarming amounts of oily wastewater. Because these contaminants don’t degrade readily, they threaten ecosystems and human health. Consequently, identifying efficient and cost-effective materials for separating oil from water, particularly for stable emulsions, is a critical environmental challenge that must be addressed. Organic–inorganic hybrid materials are considered among the most promising options for developing membranes. In this study, a novel gyroid-shaped 3D polyamide-graphite-MoS2 membrane (PGM@gyroid-3D membrane) was fabricated via selective laser sintering. The composition, structure, morphology, and thermal stability of the fabricated PGM@gyroid-3D membrane were characterized using multiple techniques to elucidate its properties. It was observed that graphene and MoS2 are uniformly spread on the polyamide surface. The surface exhibits low roughness and crystalline topography. The FTIR results confirm the successful creation of the PGM@gyroid-3D membrane. Tensile, compressive, and flexural tests were performed to evaluate and compare the effects of laser power on specimens fabricated from composite powder and pure PA-12. The separation efficiency of the PGM@gyroid-3D membrane for the tested oils was admirable, suggesting that this membrane is a good candidate for industrial oil-contaminated water treatment.