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Uji Kinerja Prototipe Vacuum Dryer untuk Minyak Merah Kelapa Sawit Ellys Mei Sundari; Winda Apriani; Suhendra; Feby Nopriandy
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 10 No. 1 (2026)
Publisher : Universitas Proklamasi 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v10i1.2654

Abstract

One of the main challenges in processing red palm oil (RPO) was maintaining the stability of active compounds during the drying process. Therefore, appropriate technology was needed to maintain the nutritional quality of red oil. This study aims to evaluate the performance of a laboratory-scale vacuum dryer specifically designed for drying red palm oil. Vacuum drying technology was chosen because it operates at low temperatures and low pressures, thereby minimizing thermal damage to sensitive compounds. Tests were conducted to determine the relationship between temperature changes RPO and the percentage of mass loss of the material against heating time. The heating time was varied to 30, 45, and 60 minutes. Based on the test results, heating time significantly affects the increase in temperature and the decrease in RPO mass. The rise in RPO temperature occurs most rapidly during the first 15 minutes; after that, the RPO temperature remains relatively stable. The results of the mass loss test showed a mass loss of 95.40% at 30 minutes, 94.20% at 45 minutes, and 94.00% at 60 minutes.
Analisis Pengaruh Sudut dan Kecepatan Putar Mata Pisau terhadap Kinerja Mesin Pencacah Pelepah Kelapa Sawit Budi Setiawan; Suhendra; Naza
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 10 No. 1 (2026)
Publisher : Universitas Proklamasi 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v10i1.2658

Abstract

Oil palm was a leading oil-producing commodity used for both consumer and industrial purposes, while the waste in the form of oil palm fronds has potential as animal feed or compost. Utilizing this waste requires a shredding process to process it into these products. This study aims to determine the effect of blade angle and shaft rotational speed on the chipping results of oil palm fronds in an oil palm chipping machine. The parameters observed include machine chipping capacity, yield, and the percentage of good-sized chips. The study was conducted with three blade angle variations 15°, 25°, and 45° and three shaft rotation speeds 1,200–1,350 rpm, 1,400–1,550 rpm, and 1,600–1,750 rpm. Based on the test results, the chopper shaft rotational speed had a highly significant effect on chipping capacity, while the blade angle had a highly significant effect on both chipping capacity and the percentage of good-sized shreds. The highest chipping capacity was 45,55 kg/h, the highest chipping yield was 98.60%, and the highest percentage of good chip size was 97.88%.
Co-Authors Abdul Munir Abdul Rozaq Agam, Beryaldi Amien Rais Andi Maryam Andri Hidayat Anjiu, Leo Dedy Ari Rianto Ari Rianto Ariel Ariel Astuti, Theresia Widji AZMI, AZMI Bambang Purwantana Basha Ayumi Budi Setiawan Budi Setiawan Daud Perdana Deliana R. Pridaningsih, Deliana R. Ellys Mei Sundari Erwin Erwin Erwin Fahrizal Butsi Ningsih, Irma Feby Nopriandy Feby Nopriandy Iklas Sanubary Iman Syahrizal Irma Fahrizal Irma Fahrizal B.N. Irma Fahrizal Butsi Ningsih Junardi Junardi Kurniawan Kurniawan Lang Jagat Leo Dedy Anjiu Marselina, Maya Maszuri, Nur Aziz Maulana, Saka Muhammad Hanik Hakim Muliadi Muliadi Naza Perdana, Daud Pridaningsih, Deliana Rediansyah, Rediansyah Rizal Rizal Sabahan Sabahan Santoso, Pande Putu Agus Seftian Seftian Sri Windari, Sri Sundari, Ellys Mei Sundari, Ellys Mei Winda Apriani Winda Apriani Winda Apriani Yogi Hardi Yuliansyah Yuliansyah Yusuf Yusuf