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Andri Agus Rahman
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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 5 Documents
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Search results for , issue "Vol. 43 No. 1 (2025): Jurnal Penelitian Hasil Hutan" : 5 Documents clear
EFFECTIVENESS OF PINE SAP COLLECTING TOOLS BASED ON SIEVER VARIATION IN IMPROVING THE QUALITY OF PINE SAP HARVESTING Jumini, Sri; Abdul Hanan, Ishaq; Khotimah, Khusnul; Arsyad, Muaddiul; Indratama, Andin
Jurnal Penelitian Hasil Hutan Vol. 43 No. 1 (2025): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jphh.2025.5064

Abstract

Perhutani continues to improve the quality of pine sap harvest through the coakan method and the innovation of containers right under the sap drips. However, the quality produced is still less than optimal. Based on this, a pine sap container based on a filter was made that can improve the quality of the harvested pine sap. This study aims to determine the effectiveness of the pine sap container based on variations in filters and inclined planes on the tapping gutter. The study was conducted using an experimental method to obtain the mechanical advantage parameters of an economical pine sap container that can increase the productivity of the tool's performance based on the concept of an inclined plane. Testing was carried out in the laboratory to design and measure the mechanical efficiency of the tool, and field observations were continued to evaluate the quality and productivity of the pine sap produced. Data collection was carried out by systematically measuring the mass of sap, the angle of inclination of the gutter, and the mechanical parameters of the tool. The experiment showed that the largest mechanical advantage parameter value was found in the tapping gutter with the largest angle of inclination, namely 70°. In addition, this tool, with an innovative filter-based design and optimal angle of inclination, has been proven to improve the sap quality and minimize dirt and water pollution. The results of this study indicate that the developed tool is effective in increasing the efficiency of harvesting and the quality of pine sap, which is in line with the research objective to optimize the process of collecting pine sap. The tool produced by the researcher is a semicircular bowl-shaped container equipped a lid that can prevent dirt and rainwater from entering so that good-quality sap is obtained. This tool can improve the quality of sap with a higher purity level while producing harvesting efficiency of up to 25% compared to traditional methods, so this innovation has the potential to be an effective solution to increase the productivity of pine sap harvests sustainably.
PENINGKATAN KUALITAS GONDORUKEM DENGAN VARIASI KONSENTRASI TERPENTIN PADA PENCUCIAN GETAH PINUS Syaifuddin, Afif; Sa'diyah, Khalimatus; Prasetya, Desta Enggar Dwi
Jurnal Penelitian Hasil Hutan Vol. 43 No. 1 (2025): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jphh.2025.5530

Abstract

Gum rosin, commonly called gondorukem, is a product derived from processing pine sap, possessing significant potential for international market competition. However, the demand for exports from Indonesia has decreased annually due to the gondorukem's quality not meeting market standards. This study investigates the impact of turpentine concentration in the pine resin washing process on the quality of the produced gondorukem. The research was conducted in two stages: sap purification and distillation. In the sap purification process, 1250 grams of pine sap were dissolved using turpentine at 80°C, with varying turpentine concentrations of 27.5%, 28.5%, 29.5%, 30.5%, 31.5%, 32.5%, and 33.5%. This was followed by adding 5% oxalic acid, precipitation for 30 minutes, washing with distilled water, and separation. The washed oleo pine resin, weighing 1100 grams, was then distilled at 175°C for 2-3 hours. Results indicate that higher concentrations of turpentine lead to increased acid value, softening point, and color scale, resulting in purer and darker gondorukem. However, adding turpentine tends to reduce yield while causing fluctuations in nonvolatile parameters. The highest quality gondorukem was obtained at a turpentine concentration of 29.5%, with the following specifications: acid value of 191.24 mg KOH/gram, color scale of 6.9 (WW quality), softening point of 79°C, nonvolatile content of 99.23%, and yield of 75.08%.
KARATERISTIK MUTU BRIKET ARANG DARI LIMBAH KAYU KEMIRI, TEMPURUNG KELAPA DAN TONGKOL JAGUNG Wulandari, Febriana Tri; Radjali Amin; Dhimas Mardyanto Prasetyo
Jurnal Penelitian Hasil Hutan Vol. 43 No. 1 (2025): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jphh.2025.5548

Abstract

Potensi tanaman kemiri di Nusa Tenggara Barat mencapai 2.254,10 hektar begitu pula juga dengan kelapa dan jagung, luas area kelapa bisa mencapai 46 ribu ha di tahun 2021 dan luas area jagung bisa mencapai 91 ribu ha di tahun 2020. Berdasarkan potensi tersebut tentu akan menghasilkan limbah, maka perlu upaya mengelola limbah tersebut agar dapat dikelola kembali dengan cara dijadikan sebagai bahan baku briket arang. Penelitian ini bertujuan untuk mengetahui mutu briket arang dari limbah tongkol jagung, tempurung kelapa dan cangkang kemiri dengan melakukan uji proximate serta menentukan kelayakan penggunaannya sebagai bahan bakar alternatif berdasarkan standar SNI 01-6235-2000. Metode eksperimental dengan Rancangan Acak Lengkap (RAL) non faktorial dengan 5 perlakuan jenis bahan baku dan 3 kali ulangan. Pengujian kadar air briket arang menunjukan semua briket arang memenuhi standar kecuali pada briket arang tongkol jagung. Pengujian kadar abu briket arang menunjukan semua briket arang tidak memenuhi Standar SNI 01-6235-2000 tetapi masuk dalam standar Amerika kecuali briket arang Campuran Tongkol Jagung dan Tempurung Kelapa tidak memenuhi semua standar mutu. Pengujian kadar zat terbang hanya tongkol jagung yang memenuhi standar SNI 01-6235-2000 dan briket arang lainnya masuk dalam standar Jepang. Pengujian nilai kalor briket arang hanya cangkang kemiri dan tongkol jagung yang memenuhi standar SNI 01-6235-2000. Pengujian kadar karbon terikat briket arang tidak memenuhi standar SNI 01-6235-2000 tetapi masuk dalam standar Jepang, Amerika dan Inggris. Berdasarkan standar mutu maka briket arang cangkang kemiri dan tongkol jagung layak digunakan karena memiliki nilai kalor dan karbon terikat masuk dalam standar SNI 01-6235-2000
PRODUCTIVITY AND COST ANALYSIS OF FELLING AND BUCKING OF TEAK TREES (Tectona grandis L.F.) USING REDUCED IMPACT LOGGING (RIL) TECHNIQUE IN TELAWA FOREST MANAGEMENT UNIT, CENTRAL JAVA: Produktivitas Dan Analisis Biaya Penebangan Serta Pembagian Batang Tegakan Jati (Tectona grandis L.F.) di RPH Ngaren, BKPH Kedungcumpleng, KPH Telawa Waryanti, Putri; Rahmadwiati, Rissa; Agustina, Ana
Jurnal Penelitian Hasil Hutan Vol. 43 No. 1 (2025): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jphh.2025.8256

Abstract

Forest harvesting activities are forest management activity which aims to increase forest value, obtain forest products needed by the community, and provide employment opportunities for communities around the forest. One of the forest products in Java Island that is widely used because of its advantages is teak wood (Tectona grandis L.f.). One of the KPHs that produces teak wood is KPH Telawa Perum Perhutani. The implementation of Reduced Impact Logging (RIL) techniques is expected to increase productivity and obtain optimal results, as well as realizing sustainable forest management. This research aims to calculate the productivity and costs required for felling and bucking activities. Sampling was carried out using a purposive sampling method with the criteria of teak stands in the same age class at RPH Ngaren, BKPH Kedungcumleng, KPH Telawa. Data was obtained by measuring 36 samples of homogeneous teak stands in age class V and the same diameter class. Measuring working time uses the cumulative method. The research results show that the effective productivity of cutting and dividing stems in the Ngaren RPH is 1.80 m3/hour. The results of the regression analysis show that volume and effective time have a significant influence on felling and felling productivity. Volume is directly proportional to productivity while working time is inversely proportional to productivity. Cost analysis includes fixed and variable costs to obtain IDR 34,120.08/m3 results.
PERCEPTION OF THE USEFULNESS OF CONTAINER DEVICES BASED ON SIEVE VARIATIONS ON THE QUALITY OF PINE SAP HARVESTING Abdul Hanan, Ishaq; Jumini, Sri; Khotimah, Khusnul; Arsyad, Muaddiul; Indratama, Andin
Jurnal Penelitian Hasil Hutan Vol. 43 No. 1 (2025): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jphh.2025.9157

Abstract

Open pine resin containers in the form of coconut shells and plastic bowls cause the quality of pine sap to decrease, and it is difficult to obtain premium quality, because of the ingress of dirt. The impurities are in the form of leftover twigs, dry pine leaves, grass, soil, and gravel. In addition, when the wind easily releases the coconut shell because the binding is not strong enough with the pine tree. The shell’s pores are finally easily eroded by rain due to the sawing process. Open containers (without covers) are very susceptible to producing less pure pine sap because they are mixed with impurities that fall into the container. They will be difficult to decompose if the dirt is small because the impurities can easily pass through the filter. This study aims to determine the perception of the usefulness of a container tool based on filter variations on the quality of pine resin harvesting. The study was conducted with a quantitative descriptive approach. Data collection was carried out using a questionnaire technique that was given to users, namely pine farmers. Data analysis was carried out using descriptive statistics, namely calculating the average of the results of the questionnaire recapitulation. The study results showed that the community agreed that the farmers can use the innovation of a pine sap container based on a sieve in harvesting pine sap. The tool has good durability, is easy to maintain, is easy to use, practical, effective use, ; is safe, is easy to store, does not produce waste, and has excellent benefits and functions. The impact of using this tool is that Perhutani no longer needs to look for tools, and the quality of the pine sap harvested with this sieve-based pine sap container is no longer in doubt. With good quality harvested pine sap, the income of the pine sap farmer community has increased

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