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All Journal JOURNAL OF COASTAL DEVELOPMENT Reaktor International Journal of Science and Engineering (IJSE) International Journal of Renewable Energy Development TEKNIK JURNAL TEKNOLOGI KIMIA DAN INDUSTRI IPTEK The Journal for Technology and Science Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Agrointek Seminar Nasional Teknik Kimia Kejuangan Majalah Ilmiah MOMENTUM Jurnal Aplikasi Teknologi Pangan Communications in Science and Technology Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia JURNAL PANGAN Jurnal Inovasi Teknik Kimia Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Jurnal Profesi Insinyur Indonesia Journal of Bioresources and Environmental Sciences International Journal of Renewable Energy Development Bulletin of Chemical Reaction Engineering & Catalysis
M. Djaeni
Department Of Chemical Engineering ; Faculty Of Engineering; Diponegoro University Jl Prof H. Soedharto, SH, Tembalang Semarang, Indonesia Phone: +62247460058; Facs: +62247460055
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Social Sciences Transportation Other

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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℃.
Energy Efficient Dryer with Rice Husk Fuel for Agriculture Drying Djaeni, M.; Asiah, N.; Suherman, S; Sutanto, A.; Nurhasanah, A.
International Journal of Renewable Energy Development Vol 4, No 1 (2015): February 2015
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.4.1.20-24

Abstract

Energy usage is crucial aspect on agriculture drying process. This step spends about 70% of total energy in post harvest treatment. The design of efficient dryer with renewable energy source is urgently required due to the limitation of fossil fuel energy. This work discusses the performance of air dehumidification using rice husk fuel as heat source for onion, and paddy drying. Unlike conventional dryer, the humidity of air during the drying was dehumidified by adsorbent. Hence, the driving force of drying can be  kept high.  As consequences, the drying time and energy usage can be reduced. Here, the research was conducted in two step: laboratory and pilot scale tests. Results showed that the lowering air humidity with rice husk fuel has improved the energy efficiency. At operational temperature 60oC, the heat efficiency of 75%  was achieved. 
Co-Authors . Widayat A. Agusniar A. Mahayana A. Nurhasanah A. Prasetyaningrum1 A. Sutanto Affian Widjanarko Affian Widjanarko Aga Aulia Rahman Ahdayani Rosarrah Ahmad M. Fuadi Ainiyyah Fatin Ajeng Yulianti Dwi Lestari Aji Prasetyaningrum Andri Cahyo Kumoro Annisa, Arianti Nuur Aprilina Purbasari Azafilmi Hakiim Berkah Fajar Tamtomo kiono Bery Kristanti Cindi Yasintasia Cynthia Anggi Maulina D. Setyani Dessy Agustina Sari Dewi Ayuningtyas Djoko Mulyono Febiani Dwi Utari Febiani Dwi Utari Febiani Utari Galih Satrio Lelono H Hadiyanto Hadiono Soegeng Rahardjo Hargono . Hargono Hargono Hargono Hargono Hargono Hargono Hartono, Damin Harum Nissaulfasha Ismi Ari Fitria Jefri Chandra Runanda Jumali Jumali Kristin Valentina Sinabutar Laeli Kurniasari Lisna Krisan Wibowo Listyadevi, Yuniar Luthfia Luqman Buchori M. Ikhwan Shofarudin Maharani Ratridewi Maulana, Kemal Meilya Suzan Triyastuti, Meilya Suzan N. Asiah Nita Ariani Novita, Dewi Ayu Nurul Aishah Aishah Nurul Asiah Nurul Asiah Prakoso, Satrio Budi R Ridwan R. Ridwan Rahmat Hidayat Raka Dimas Saputra Ratnawati Ratnawati Rohmat Figiarto S Suherman Sari, Anisa Rachma Setia Budi Sasongko Sheila Luvi Galvani Siqhny, Zulhaq Dahri Suci Dhiya Mayra Suherman Sumirat Sumirat Tri Nugroho Uma Fadzilia Arifin Uma Fadzilia Arifin, Uma Fadzilia Utari, Febiani Utari, Febiani Dwi Vera Pangni Fahriani Verona Amelia Vita Efelina Wiratno Wiratno