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Jurnal Penelitian Hasil Hutan
Published by Badan Riset dan Inovasi Nasional
ISSN : 02164329     EISSN : 24428957     DOI : 10.55981/jphh
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Materials Science & Nanotechnology
Jurnal Penelitian Hasil Hutan is a scientific publication reporting research findings in the field of anatomy, physical and mechanical, fiber technology, composite, biodeterioration and preservation of lignocellulosic materials, forest products drying technology, wood sawing and machining, wood and non wood forest products processing, chemical and forest products energy processing, forest engineering and wood and non wood forest products harvesting. This journal has been accredited by Ministry of Research, Technology and Higher Education (RISTEKDIKTI) with Second Grade (Sinta 2) since years 2020 to 2024 as a Scientific Journal (Accreditation Number 200/M/KPT/2020). This journal was first published in 1984. This journal is manage by Organisasi Riset Hayati dan Lingkungan and Published by Penerbit BRIN (BRIN Publishing), Direktorat RMPI - BRIN.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Konservasi Alam dan Lahan
Articles 322 Documents
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ANALISIS KOMPARATIF BRIKET ARANG TEMPURUNG KELAPA DAN CAMPURAN DENGAN TONGKOL JAGUNG Febriana Tri Wulandari; Radjali Amin
Jurnal Penelitian Hasil Hutan Vol. 44 No. 1 (2026): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jphh.2026.13113

Abstract

This study aims to evaluate and compare the physicochemical quality of charcoal briquettes produced from pure coconut shells and from a mixture of coconut shells and corn cobs as alternative solid biofuels. The research is motivated by the need to optimize underutilized agricultural residues to support renewable energy development and waste valorization.  Charcoal was produced through carbonization at 400 °C, followed by grinding to 60-mesh particle size and mixing with tapioca binder (10% w/w). Two formulations were prepared: (1) 100% coconut shell briquettes (TK) and (2) a 50:50 mixture of coconut shell and corn cob briquettes (TT). Briquettes were molded under 400 psi pressure and oven-dried prior to testing. The experiment employed a completely randomized design (CRD) with two treatments and three replications.  The evaluated parameters included moisture content, ash content, volatile matter, fixed carbon, and calorific value, in accordance with SNI 01-6235-2000 standard testing procedures. Results showed that pure coconut shell briquettes exhibited moisture content of 0.41%, ash content of 7.10%, volatile matter of 10.35%, fixed carbon of 70.24%, and calorific value of 5,975 cal/g. In contrast, mixed briquettes showed moisture content of 0.63%, ash content of 22.77%, volatile matter of 25.68%, fixed carbon of 50.94%, and calorific value of 4,228 cal/g. Analysis of variance (ANOVA) indicated significant differences (p < 0.05) between treatments for ash content, volatile matter, fixed carbon, and calorific value, while moisture content did not differ significantly. Based on SNI 01-6235-2000 criteria, pure coconut shell briquettes met most quality requirements, particularly in terms of moisture, fixed carbon, and calorific value. However, mixed briquettes exceeded the allowable ash content limit, indicating the need for optimization of carbonization parameters and raw material pre-treatment. Overall, coconut shell charcoal demonstrates superior energy performance and is recommended as the primary raw material for high-quality briquette production. Nevertheless, mixed biomass formulations remain promising for circular bioenergy systems if further process refinement is implemented.
PEMURNIAN MINYAK AKAR WANGI (Vetiveria zizanioides) MENGGUNAKAN BENTONIT TERAKTIVASI DENGAN VARIASI KONSENTRASI ASAM SITRAT (C6H8O7) DAN SUHU ADSORPSI Shafarani Wardah Hidayat; Tati Karliati; Rudi Dungani
Jurnal Penelitian Hasil Hutan Vol. 44 No. 1 (2026): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jphh.2026.13548

Abstract

Vetiver oil is one of the essential oils with high economic value and various benefits, including applications in perfume, cosmetics, soap industries, anti-inflammatory, antibacterial, and insecticidal uses. However, the potential benefits are not aligned with its quality, due to the high temperatures in the steam distillation extraction method, which results in a burnt aroma and dark oil color. This study aimed to identify the quality of purified vetiver oil using citric acid-activated bentonite, as well as to determine the most effective treatment to improve the quality of vetiver oil in accordance with SNI 06-2386-2006 through adsorption at citric acid concentrations of 4%, 6%, and 8%, and adsorption temperatures of 35°C and 55°C. The best treatment was the combination of citric acid 4% at 35°C adsorption temperature, which increased the specific gravity from 0,868 to 0,891 and reduced the acid value from 35,06 to 28,05. The oil also showed a color change from reddish-brown to light-yellow with a characteristic of vetiver aroma, although it did not dissolve in ethanol. SEM-EDX analysis confirmed that the bentonite activation was successful, leading to effective adsorption. GC-MS analysis detected 103 compounds in both untreated and best-treated oil, with the main compound ((3S,3aR,6R,8aS) - 7, 7 – Dimethyl – 8 – methyleneoctahydro - 1H - 3a, 6 – methanoazulen – 3 - yl) methanol remained dominant after purification with an increase in vetiverol from 60,82% to 88,08%.

Page 33 of 33 | Total Record : 322

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