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All Journal Teknotan: Jurnal Industri Teknologi Pertanian ARRUS Journal of Engineering and Technology Jurnal Abdimas Kartika Wijayakusuma Journal of Agricultural and Biosystem Engineering Research Biofoodtech : Journal of Bioenergy and Food Technology
Supriyanto, Gani
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Library & Information Science Mechanical Engineering Social Sciences Other

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Karakterisasi Bioetanol dari Limbah Tandan Kosong Kelapa Sawit Faturochman; Supriyanto, Gani; Oktavianty, Herawati
BIOFOODTECH : Journal of Bioenergy and Food Technology Vol. 3 No. 1 (2024): JUNI
Publisher : Program Studi Teknologi Hasil Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/biofoodtech.v3i1.1087

Abstract

At the moment, Indonesia still relies heavily on fossil fuels to cover its domestic energy demands. However, one of the main causes of the rise in greenhouse gas emissions is the nation's reliance on fossil fuels for energy damage to the environment. An alternate energy source is called bioethanol. The fermentation process of natural ingredients with the help of microorganisms, Bioethanol produced from biomass in this study is palm empty fruit bunches (PEFB) because of the cellulose content of 45.59% which can be converted into second-generation bioethanol. Poses for making bioethanol of PEFB through the process of pretreatment, hydrolysis, fermentation, and distillation. The purpose of this study is to determine the characteristics of bioethanol produced by PEFB waste. Bioethanol characteristic testing refers to test standards determined by SNI 7390:2008/2013, This study produced ethanol content of 4.92% in 6-day fermentation that did not meet the specified standards, methanol content produced 0.4% in 10-day fermentation and had met the specified standards, water content in 4-10 days fermentation produced 25.56%-30.72% did not meet the specified standards, denaturant content in 10-day fermentation produced 9% had met the specified standards. The fermentation of 6 days produced the best condition, obtaining 4.92% ethanol content and 25% moisture content. Still, it did not meet the specific standards of SNI 7390:2008, but met the SNI standards for the methanol content of 0.4%, denaturant level of 11%, acidity of 0.3 mg /L, chloride ion levels of 0.7 mg /L, sulphur content of 0.68 mg /L, and the sap content of 7 mg / l.  
Desain Rekayasa Sosial Pada Pengrajin Gula Kelapadi Desa Kalak Kecamatan Donorojo Kabupaten Pacitan Trimerani, Resna; Supriyanto, Gani; Uktoro, Arief Ika; Krisdiarto, Andreas Wahyu; Ruswanto, Adi; Widyasaputra, Reza; Bimantio, Mohammad Prasanto; Oktavianty, Herawati
Jurnal Abdimas Kartika Wijayakusuma Vol 5 No 2 (2024): Jurnal Abdimas Kartika Wijayakusuma
Publisher : LPPM Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jakw.v5i2.410

Abstract

Desa Kalak adalah salah satu desa yang terletak di Wilayah Kecamatan Donorojo, di mana di wilayah tersebut memiliki komoditas kelapa yang melimpah. Dalam pemanfaatannya, tanaman kelapa diambil niranya untuk diolah menjadi gula kelapa. Pengolahan gula kelapa ini masih dilakukan dengan cara tradisional oleh kelompok pengrajin gula kelapa. Selain itu, pengolahan gula kelapa juga belum dilakukan secara berkelanjutan karena menemui beberapa kendala, baik kendala sumberdaya manusianya, termasuk penderes, kendala pemasaran gula kelapa yang masih dilakukan oleh tengkulak serta kendala teknis, di mana masih ada pengrajin gula kelapa yang menggunakan bahan tidak alami dalam proses produksi. Kegiatan pengabdian ini bertujuan untuk merancang desain rekayasa sosial yang dapat diterapkan pada kelompok pengrajin gula kelapa sehingga mereka dapat meningkatkan kualitas dalam memproduksi gula kelapa secara berkelanjutan. Metode yang digunakan dalam kegiatan pengabdian ini adalah survei dengan metode pengambilan data dengan wawancara. Hasil kegiatan pengabdian yang diperoleh yaitu terdapat tiga kategori pengrajin gula kelapa dan dirancang empat desain rekayasa sosial, antara lain rekayasa sosial melalui pemberdayaan masyarakat, melalui aktivitas interaksi sosial, melalui penguatan kelembagaan dan melalui pemanfaatan teknologi berbasis techno-social.
Pengaruh Kerusakan dan Lama Penyimpanan Tandan Buah Segar (TBS) Terhadap Asam Lemak Bebas (ALB) Sahil Mahfudz, Trias Maulana; Dharmawati, Nuraeni Dwi; Supriyanto, Gani
Teknotan: Jurnal Industri Teknologi Pertanian Vol 19, No 1 (2025): TEKNOTAN, April 2025
Publisher : Fakultas Teknologi Industri Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jt.vol19n1.6

Abstract

Penelitian ini menganalisis pengaruh tingkat kerusakan tandan buah segar (TBS) dan lama penyimpanan terhadap kadar asam lemak bebas (ALB) dalam minyak sawit mentah (CPO). Penelitian dilakukan dengan desain faktorial menggunakan tiga kategori tingkat kerusakan TBS, yaitu tanpa kerusakan (X1), rusak ringan (X2), dan rusak sedang (X3), serta enam tingkat lama penyimpanan (0–5 hari). Hasil menunjukkan bahwa kadar ALB meningkat seiring bertambahnya lama penyimpanan, dengan laju peningkatan yang lebih signifikan pada buah yang mengalami kerusakan fisik. TBS tanpa kerusakan menunjukkan kadar ALB dari 1,25% pada hari ke-0 menjadi 2,29% pada hari ke-5. Sebaliknya, pada TBS rusak ringan, kadar ALB meningkat dari 2,68% menjadi 6,73%, sedangkan TBS rusak sedang mengalami lonjakan dari 3,34% hingga mencapai 9,47%. Perbedaan signifikan ini menunjukkan bahwa kerusakan fisik mempercepat aktivitas enzim lipase dan proses hidrolisis lemak yang berdampak langsung pada kenaikan ALB. Hasil analisis varians (ANOVA) menunjukkan adanya interaksi yang signifikan antara tingkat kerusakan TBS dan lama penyimpanan terhadap kadar ALB (p < 0,05). Temuan ini menegaskan pentingnya pengelolaan TBS yang optimal, khususnya dengan meminimalkan kerusakan fisik dan mempercepat proses pengolahan untuk menjaga mutu minyak sawit mentah. Oleh karena itu, penerapan sistem logistik yang efisien dan teknik penanganan buah yang tepat menjadi langkah strategis untuk menekan peningkatan kadar ALB akibat kerusakan dan penyimpanan yang terlalu lama.
Engineering Wood Preservation Using Coating and Impregnation of Waste Plastic in Used Cooking Oil Supriyanto, Gani; Raharjo, Budi; Purboseno, Sentot; Woesono, Hastanto Bowo
ARRUS Journal of Engineering and Technology Vol. 5 No. 1 (2025)
Publisher : PT ARRUS Intelektual Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/jetech3741

Abstract

Wood preservation aims to enhance durability against environmental degradation and extend its service life. Conventional methods often use synthetic chemicals that negatively impact the environment. This research develops a wood coating and impregnation technique using waste plastic melted in used cooking oil as a penetration medium, offering an eco-friendly and economical solution. The five types of wood tested are bengkirai, glugu, teak, sengon, and melinjo, each with different physical characteristics and porosity. Evaluation was conducted on specific gravity (SG), porosity, expansion, and shrinkage of the wood. The results showed that soaking in the plastic-oil solution increased SG and reduced porosity, particularly in highly porous woods such as sengon and glugu. The rate of plastic impregnation into the wood followed an exponential model with significant variation between wood types. ANOVA analysis confirmed that wood type and soaking duration significantly influenced changes in the physical properties of the wood. The low-carbon development concept is applied by utilizing waste plastic and used cooking oil, reducing carbon emissions from waste incineration, and supporting the circular economy. This method can become a more sustainable, recycled-based wood preservation alternative that supports environmental sustainability
Efisiensi Efisiensi Kinerja Pekerja Penggunaan Galah Bahan Karbon dan Aluminium Setiawan, Fajar Dwi; Supriyanto, Gani; Dharmawati, Nuraeni Dwi
Journal of Agricultural and Biosystem Engineering Research Vol 6 No 2 (2025): Journal of Agricultural and Biosystem Engineering Research: Regular Issue
Publisher : Program Studi Teknik Pertanian, Fakultas Pertanian, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jaber.2025.6.2.15711

Abstract

Harvesting is the activity of picking fresh fruit bunches from trees, collecting loose fruits, as well as gathering and transporting the fruits to a collection point (TPH) to be taken to the palm oil mill (PKS). The tools used in this harvesting process are poles made of carbon and aluminum. Carbon composite is a material that uses carbon fibers, which are strong and lightweight, though expensive. Aluminum is a metal with low strength and soft properties. This research uses a descriptive method with primary data collection directly from the field. The results show that the use of carbon and aluminum poles varies based on age (young <35 years, old >35 years). For young harvesters using carbon poles, the average workload is 20.84%, productivity is 37.25 bunches/hour, and efficiency is 95.60%. For young harvesters using aluminum poles, the average workload is 22.75%, productivity is 30.56 bunches/hour, and efficiency is 94.40%. For older harvesters using carbon poles, the average workload is 23.67%, productivity is 35.38 bunches/hour, and efficiency is 94.32%. For older harvesters using aluminum poles, the average workload is 27.22%, productivity is 28.99 bunches/hour, and efficiency is 92.57%.
Co-Authors Bimantio, Mohammad Prasanto Budi Raharjo Dharmawati, Nuraeni Dwi Faturochman Krisdiarto, Andreas Wahyu Oktavianty, Herawati Resna Trimerani, Resna Reza Widyasaputra Ruswanto, Adi Sahil Mahfudz, Trias Maulana Sentot Purboseno Setiawan, Fajar Dwi Uktoro, Arief Ika Woesono, Hastanto Bowo