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<p>Muskmelon (<i>Cucumis melo</i>) seeds are nutritionally rich yet often discarded during fruit processing. Their high moisture content accelerates microbial spoilage and oxidative degradation, emphasizing the need for effective drying strategies. This study compared a conventional tray dryer (TD) and a vibro-fluidized bed dryer (VFBD) to evaluate drying kinetics using thin-layer models. Drying trials were conducted at 40–60&#xa0;°C, with VFBD operated under varying air velocities and vibrational strengths. Moisture ratio data were fitted to Page, Lewis, and Henderson–Pabis models, with the Page model showing the best agreement (R<sup>2</sup> &gt; 0.99). VFBD achieved significantly higher effective moisture diffusivity and reduced drying time by 40–60% compared to TD, owing to improved airflow and particle agitation. Activation energy values indicated slightly higher energy demand for VFBD, consistent with its enhanced mass transfer efficiency. Under optimized conditions (60&#xa0;°C, 11&#xa0;m/s air velocity, Γ ≈ 1.2), VFBD demonstrated the most efficient and uniform drying, confirming its potential as a scalable method for muskmelon seed preservation.</p>

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Comparative modeling of muskmelon seed drying in tray and vibro-fluidized bed systems

  • 期刊论文

  • 发表日期：

    2025年12月12日

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  • Samandeep Kaur,
  • Lovepreet Singh,
  • Vikrant Singh

摘要

Muskmelon (Cucumis melo) seeds are nutritionally rich yet often discarded during fruit processing. Their high moisture content accelerates microbial spoilage and oxidative degradation, emphasizing the need for effective drying strategies. This study compared a conventional tray dryer (TD) and a vibro-fluidized bed dryer (VFBD) to evaluate drying kinetics using thin-layer models. Drying trials were conducted at 40–60 °C, with VFBD operated under varying air velocities and vibrational strengths. Moisture ratio data were fitted to Page, Lewis, and Henderson–Pabis models, with the Page model showing the best agreement (R2 > 0.99). VFBD achieved significantly higher effective moisture diffusivity and reduced drying time by 40–60% compared to TD, owing to improved airflow and particle agitation. Activation energy values indicated slightly higher energy demand for VFBD, consistent with its enhanced mass transfer efficiency. Under optimized conditions (60 °C, 11 m/s air velocity, Γ ≈ 1.2), VFBD demonstrated the most efficient and uniform drying, confirming its potential as a scalable method for muskmelon seed preservation.