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All Journal Communications in Science and Technology Journal of Bioresources and Environmental Sciences
Utari, Febiani Dwi
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Earth & Planetary Sciences Engineering Environmental Science

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Techno-economic analysis of biomass-powered fixed bed dryer with air dehumidification for paddy drying Djaeni, Mohamad; Sasongko, Setia Budi; Utari, Febiani Dwi; Siqhny, Zulhaq Dahri
Communications in Science and Technology Vol 9 No 2 (2024)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.9.2.2024.1555

Abstract

This study introduces the innovative use of synthetic zeolite adsorbents in biomass-powered fixed bed dryers for enhanced paddy drying. The novel integration significantly improves moisture removal and energy efficiency, addressing limitations of conventional drying methods. Key findings include an effective moisture diffusivity of 2.24 × 10?? m²/s and energy efficiency reaching up to 68%. The economic analysis highlights an Internal Rate of Return (IRR) within 2.04 years, confirming the financial viability of this technology. This advanced drying system demonstrates superior performance and sustainability, offering a promising solution for industrial-scale paddy drying.
Drying kinetics and thermal energy evaluation of Moringa oleifera leaves drying using dehumidification with zeolite Siqhny, Zulhaq Dahri; Sari, Anisa Rachma; Utari, Febiani Dwi; Djaeni, Mohamad
Journal of Bioresources and Environmental Sciences Vol 3, No 1 (2024): April 2024
Publisher : BIORE Scientia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/jbes.2024.19811

Abstract

Moringa Oleifera leaves contain many phytochemical compounds, as the potential source of antioxidants. The leaves must be converted into dried form to extend the shelf life and prevent the nutritional qualities. The lack of a common sun-drying process for Moringa Oleifera leaves is dependent on the weather. But using convective dryers also requires high investment costs and results in very low energy efficiency. One potential option to enhance energy efficiency is lowering the humidity by dehumidification with zeolite. This research aims to evaluate the effect of drying temperature and the weight of adsorbent (zeolite) on drying kinetic and thermal efficiency of Moringa Oleifera leaves drying. Moringa Oleifera leaves were dried under different drying temperatures (30-70℃) and weight of zeolite (0-0.3 kg). The moisture content of Moringa Oleifera leaves and the input-output temperature was recorded to evaluate the moisture reduction and thermal efficiency. Results showed that the Page model can be used to predict the drying time. At the higher drying temperature and higher zeolite weight, moisture reduction and thermal efficiency increased. But the effect of zeolite is only significant in drying at temperatures below 50℃.
Co-Authors M. Djaeni Sari, Anisa Rachma Setia Budi Sasongko Siqhny, Zulhaq Dahri