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All Journal Tekno : Jurnal Teknologi Elektro dan Kejuruan Jurnal Teknologi Terapan Jurnal Teknik Mesin JURNAL UMBANUA Jurnal Pengabdian pada Masyarakat International Journal Science and Technology (IJST) Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE) EDUCATIONE: Journal of Education Research and Review
Tineke Saroinsong
POLITEKNIK NEGERI MANADO TEKNIK MESIN
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Pengaruh Komposisi Ragi Untuk Fermentasi Air Nira Aren Terhadap Kualitas Bioetanol Pada Destilasi Sistem Kukus Rendy Reinald Mogonta; Tineke Saroinsong; Silvy Dollorossa
Journal of Applied Mechanical Engineering and Renewable Energy Vol 6 No 2 (2026)
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jamere.v6i2.1689

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh komposisi ragi (Saccharomyces cerevisiae) dan waktu fermentasi terhadap kualitas bioetanol yang dihasilkan dari air nira aren (Arenga pinnata) melalui proses destilasi sistem kukus. Fermentasi dilakukan menggunakan tiga variasi komposisi ragi, yaitu 10 gram, 20 gram, dan 30 gram, dengan lama fermentasi masing-masing 24, 48, 72, 96, dan 120 jam. Bioetanol yang dihasilkan dievaluasi berdasarkan volume hasil destilasi selama satu jam, kadar alkohol, dan pH setelah fermentasi. Hasil penelitian menunjukkan bahwa peningkatan komposisi ragi dan lama waktu fermentasi cenderung meningkatkan kadar alkohol, dengan kadar alkohol tertinggi sebesar 49% diperoleh pada komposisi ragi 30 gram dan waktu fermentasi 120 jam. Namun demikian, volume hasil destilasi cenderung menurun seiring bertambahnya waktu fermentasi akibat berkurangnya nutrisi dalam substrat. Derajat keasaman (pH) larutan hasil fermentasi menurun dari kisaran awal 6-7 menjadi 4-5 seiring berjalannya proses fermentasi. Temuan ini menunjukkan bahwa komposisi ragi dan waktu fermentasi berpengaruh signifikan terhadap kualitas bioetanol yang dihasilkan melalui proses destilasi sistem kukus
PATCHOULI DISTILLATION WASTE–RICE HUSK BIOBRIQUETTES: BIOMASS COMPOSITION EFFECTS ON FUEL QUALITY Aldo Akwila Richie Pongantung; Tineke Saroinsong; Nody Poluan Sompie
EDUCATIONE Volume 4, Issue 2, July 2026
Publisher : CV. TOTUS TUUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59397/edu.v4i2.311

Abstract

Growing energy demand and the accumulation of agricultural and agro-industrial residues motivate the development of solid biofuels from locally available biomass. This study evaluated how three ratios of patchouli oil distillation waste (PW) and rice husk (RH)—20:80, 30:70, and 40:60—affected biobriquette moisture content, ash content, volatile matter, and combustion rate. Each formulation contained 12% tapioca adhesive and was compacted at 4,252 kPa. Three reported laboratory measurements per formulation were summarized descriptively as mean ± standard deviation, while combustion rate was represented by one reported value per formulation. Moisture increased from 12.78 ± 0.30% to 19.39 ± 0.61%, ash decreased from 41.19 ± 0.30% to 29.81 ± 1.79%, and volatile matter increased from 33.39 ± 0.20% to 47.07 ± 2.45% as the PW proportion increased. The reported combustion rate increased from 0.3028 to 0.5849 g/s. The 20% PW–80% RH formulation offered the lowest moisture content and slowest mass loss but the highest ash content, indicating a clear property trade-off rather than a universal optimum. All formulations exceeded the study’s SNI 01-6235-2000 benchmark limits for moisture, ash, and volatile matter. The findings support this waste combination as a preliminary biomass-valorization pathway and identify drying, carbonization, binder optimization, and broader fuel-quality testing as priorities before practical deployment.
Pembuatan Biobriket dari Limbah Nilam dan Sekam Padi dengan Variasi Perekat Sagu Reynaldi Pontoh; Silvy Dollorossa Boedi; Tineke Saroinsong
Jurnal Teknik Mesin Vol. 19 No. 1 (2026): Jurnal Teknik Mesin (In Press)
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The increasing global energy demand and the depletion of fossil fuel reserves have driven the search for renewable energy alternatives. Biomass-based biobriquettes offer a promising solution, particularly through the utilization of agricultural waste. This study aims to analyze the effect of sago binder variations (5%, 8%, 10%, 12%, and 14%) on the quality of biobriquettes made from a 50:50 mixture of nilam distillation waste and rice husk. Quality parameters tested include moisture content, ash content, volatile matter, and combustion rate, referring to SNI 01-6235-2000 standards. The results showed that increasing sago binder content from 5% to 14% caused an increase in moisture content (7.84% to 8.86%) and volatile matter (29.04% to 36.87%), while ash content decreased significantly (44.46% to 31.85%). The 12% binder variation produced the lowest combustion rate (0.089 g/min) with the highest durability. The 14% variation achieved the highest combustion temperature (469.0°C). All variations met SNI moisture content standards (<8%) except the 14% variation. The 12% sago binder composition is recommended as the optimal formulation for producing biobriquettes with balanced quality characteristics.
Co-Authors Aldo Akwila Richie Pongantung Alferd Noufie Mekel Alfred Noufie Mekel Alfred Noufie Mekel Ali A. S. Ramschie Anthoinete Waroh Artian Sirun Estrela Bellia Muaja Firmansyah Reskal Motulo Firmansyah Reskal Motulo Franklin Bawano Friani Manoppo Hedy D. Rumambi Jedithjah N T Papia Jonah Alfred Mekel Josephine Raphaela Josephine Raphaela Marike A.S Kondoj Marike A.S. Kondoj Nody Poluan Sompie Ottopianus Mellolo Rangkang, Jeanely Rendy Reinald Mogonta Reynaldi Pontoh Rifan Pantow Shevano E A Gosal Silvy Dollorossa Silvy Dollorossa Boedi Simon Simanjuntak Stieven N. Rumokoy Vincen Tandiapa Vincent Putra Tandiapa Yoice Rita Putung