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Hidayat, Fahrul Huzain
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Mechanical Engineering

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GREENHOUSE SYSTEM WITH FORCED AIR FLOW FOR PRE-DISTILLED KAFFIR (CITRUS HYSTRIX) LEAF TREATMENT Cahyani , Chandrawati; Nurhadianty, Vivi; Sarosa, Aji Hendra; Muttaqin, Moch Fitron; Hidayat, Fahrul Huzain; Sarumpaet, Dicky Gabriel Partogi; Safitri , Mellyantika Alga; Miranti , Thiara Jatayuning; Rifdah, Naufaliyah Rifdah
Jurnal Rekayasa Mesin Vol. 15 No. 3 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i3.1741

Abstract

The greenhouse effect, which is a global issue, can provide benefits in the agricultural sector, especially in the processing of essential oils, which require drying raw materials before being purified. This is necessary to increase process efficiency, one of which is processing kaffir lime leaves. Drying is generally done in a simple way, but it has problems such as high-water content (approximately 15%), unstable weather, and slow drying speeds that cause leaf damage and fungus affecting essential oil quality. The solution is to utilize suitable technology, such as a greenhouse system. The study compares greenhouse drying methods with forced airflow and open sun drying, focusing on moisture content. The moisture content was measured using a moisture balance at each drying time. The result is that Greenhouse Force Circulation (GFC) drying effectively decreases kaffir lime leaves' moisture compared to Open Sun Drying (OSD), as evidenced by its higher drying rate.
GREENHOUSE SYSTEM WITH FORCED AIR FLOW FOR PRE-DISTILLED KAFFIR (CITRUS HYSTRIX) LEAF TREATMENT Cahyani , Chandrawati; Nurhadianty, Vivi; Sarosa, Aji Hendra; Muttaqin, Moch Fitron; Hidayat, Fahrul Huzain; Sarumpaet, Dicky Gabriel Partogi; Safitri , Mellyantika Alga; Miranti , Thiara Jatayuning; Rifdah, Naufaliyah Rifdah
Jurnal Rekayasa Mesin Vol. 15 No. 3 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i3.1741

Abstract

The greenhouse effect, which is a global issue, can provide benefits in the agricultural sector, especially in the processing of essential oils, which require drying raw materials before being purified. This is necessary to increase process efficiency, one of which is processing kaffir lime leaves. Drying is generally done in a simple way, but it has problems such as high-water content (approximately 15%), unstable weather, and slow drying speeds that cause leaf damage and fungus affecting essential oil quality. The solution is to utilize suitable technology, such as a greenhouse system. The study compares greenhouse drying methods with forced airflow and open sun drying, focusing on moisture content. The moisture content was measured using a moisture balance at each drying time. The result is that Greenhouse Force Circulation (GFC) drying effectively decreases kaffir lime leaves' moisture compared to Open Sun Drying (OSD), as evidenced by its higher drying rate.
Effect of Air Flow on Drying Stevia Rebaudiana using Solar Dryer Greenhouse Nurhadianty, Vivi; Dewi, Luthfi Kurnia; Sarosa, Aji Hendra; Muttaqim, Moch Fitron; Hidayat, Fahrul Huzain
Jurnal Rekayasa Mesin Vol. 17 No. 1 (2026)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v17i1.1780

Abstract

A phenomenon known as the greenhouse effect happens when solar radiation is trapped and heats the planet. This effect is useful for drying agricultural materials. One of the natural sugar substitutes that is dried during production is stevia rebaudiana. This research aims to determine the effect of air flow rate in drying using a solar greenhouse dryer on the water content and drying rate of stevia leaves. The Variable of the air flow rate used are 155 cm/s, 135 cm/s, natural and will be dried for 1, 2, 3, 4, 5, and 6 hours in the Solar Dryer Greenhouse. The stevia's water content was measured with a thermogravimetric. The results showed drying stevia using the Greenhouse Solar Dryer with an air flow rate of 155 cm/s produced the best drying performance with a decrease in the water content of stevia leaves of 89.7% and the highest drying rate of 21.3 kg H2O/kg solids.
Co-Authors Aji Hendra Sarosa Cahyani , Chandrawati Luthfi Kurnia Dewi, Luthfi Kurnia Miranti , Thiara Jatayuning Muttaqim, Moch Fitron Muttaqin, Moch Fitron Rifdah, Naufaliyah Rifdah Safitri , Mellyantika Alga Sarumpaet, Dicky Gabriel Partogi Vivi Nurhadianty, Vivi