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Andri Agus Rahman
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Organisasi Riset Hayati Dan Lingkungan, Gedung Administrasi, Kawasan Sains Teknologi Dr. (H.C) Ir. H. Soekarno Jl. Raya Bogor KM. 46, Cibinong 16911
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INDONESIA
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 7 Documents
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Search results for , issue "Vol. 40 No. 3 (2022): Jurnal Penelitian Hasil Hutan" : 7 Documents clear
STUDI KUALITAS DAN BIAYA PRODUKSI BAMBU LAMINA SKALA PABRIK Deazy Rachmi Trisatya; Achmad Supriadi; Ignasia Maria Sulastiningsih
Jurnal Penelitian Hasil Hutan Vol. 40 No. 3 (2022): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2022.40.3.135-143

Abstract

Bamboo can be harvested faster than wood. Bamboo processing industry has been able to process bamboo into laminatedbamboo products by utilizing lamination technology. Laminated bamboo products derived from the bamboo processing industrymust be of high quality in order to suit their intended use. The purpose of this paper was to provide information on the physicaland mechanical properties, as well as the production costs, of laminated bamboo from one of Bali's laminated bamboo factories.The mechanical and physical properties of laminated bamboo flooring samples were tested in this study. The factory's productioncosts component data were calculated to obtain the estimate of production costs, product cost, and gross profit for laminatedbamboo flooring. The results of the tests showed that the laminated bamboo's moisture content and bonding quality meet therequirements of the Indonesian Standard for Laminated Bamboo for General Use and the International Standard for BambooFlooring for Indoor Use. The flexural strength of laminated bamboo met the requirements of both the Japanese Glued LaminatedTimber Standard and the International Standard for Bamboo Flooring for Indoor Use. This factory's laminated bamboo isequivalent to strength class III to strength class II of wood. The annual production of laminated bamboo for flooring is 9,600 m2,with a laminated bamboo production cost of Rp 262,905.21 per m2. With a typical selling price of Rp. 400,000.00 per m2, fora total gross income of Rp. 137,094.79 per m2, the gross profit to cost of production ratio is 0.52 and the gross profit to sellingprice ratio is 0.34.
KARAKTERISTIK PRODUK DARI ESTERIFIKASI DENGAN BANTUAN GELOMBANG ULTRASONIK TERHADAP MINYAK BIJI KAPUK TEROZONASI Haryono; Engela Evy Ernawati; Atiek Rostika Noviyanti
Jurnal Penelitian Hasil Hutan Vol. 40 No. 3 (2022): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2022.40.3.144-154

Abstract

The kapok seed oil is non-edible oil so it is very profitable as a raw material for making biodiesel. However, the kapok seedoil is dominated by long chain and unsaturated fatty acids. These types of fatty acids tend to reduce the quality of biodiesel, namelythe low cetane number and trigger polymerization reactions during combustion. Ozonation could be applied to shorten the carbonchain and the number of double bonds in fatty acids from kapok seed oil. This research aims to study the effect of time of ozonationat preparation stage of kapok seed oil on biodiesel characteristics of esterification stage with the assistance of ultrasonic waves. Theozonation time was varied for 60, 90, and 120 minutes. The results showed that the longer the time of ozonation the kapok seedoil produced with the increased acid number. The greater acid number of the kapok seed oil was verified by the fatty acid compositionof Gas Chromatography-Mass Spectroscopy analysis, showed that the fatty acid structure of the kapok seed oil became simpler.The esterification for 120 minutes to ozonated kapok seed oil which has been ozonized produces oil phase with an acid number of10.6 mg KOH/g, a saponification number of 112 mg KOH/g, and a density of 903 kg/m3.
UJI COBA PEMANENAN GETAH PULAI DARAT (Alstonia angustiloba Miq.) MENGGUNAKAN STIMULAN ORGANIK Sarah Andin; Mutia Herni Ningrum; Sukadaryati; Soenarno
Jurnal Penelitian Hasil Hutan Vol. 40 No. 3 (2022): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2022.40.3.155-164

Abstract

The utilization of the pulai darat tree (Alstonia angustiloba Miq.) is not only for wood but also for sap. The potency ofpulai darat in KHDTK Kemampos is relatively abundant and its sap has not been utilized optimally. This paper observes thetapping techniques and an additional stimulants for enhancing sap production. This study aimed to explore the optimum tappingtechniques and the use of stimulants to improve pulai darat sap production. The combination of two tapping techniques and threestimulants were observed in this study. Result shows that the V-shape tapping produced more sap than half spiral-shape tappingtype and organic stimulants could improve sap production compared to those without stimulants. In this study, wood vinegarstimulants produced the highest sap followed by lime with an average production of 16.75 g and 12.40 g, respectively. Therefore,further tapping innovation is necessary to develop an efficient and effective stem wounding process and stimulants application.
MENGIDEALISASIKAN PENAMPANG LINTANG BULUH BAMBU MENJADI BENTUK GEOMETRI CONIC UNTUK MENGHITUNG SIFAT PENAMPANGNYA Effendi Tri Bahtiar; Asep Denih; Lina Karlinasari; Gustian Rama Putra; Naresworo Nugroho; Sulistyono
Jurnal Penelitian Hasil Hutan Vol. 40 No. 3 (2022): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2022.40.3.165-188

Abstract

A designer needs to simplify the bamboo cross-section shape variation to the closest standard geometry so a structural analysisof bamboo construction can be carried out. Bamboo culm’s cross-sectional geometrics vary and may be similar to conic such as acircle, ellipse, or egg-shape ring. The best-fit conic section, which is the most similar to the actual geometric shape of the bambooculm’s cross-section, should be considered. This study formulates mathematical equations for calculating the bamboo culm’s crosssectional properties (including the area, the first moment of area, the centroid, and the moment of inertia), which are fitted by acircle, ellipse, and egg-shaped ring. The thickness, diameter, major axis, and minor axis of four bamboo species (i.e., Gigantochloaapus, Bambusa vulgaris, Gigantochloa pseudoarundinacea, and Gigantochloa robusta) were measured, and thosevalues were substituted into the equations to produce the range of cross-sectional properties of each species.
BIOMASSA SEBAGAI MATERIAL ELEKTRODA SUPERKAPASITOR Nur Adi Saputra; Wasrin Syafii; Gustan Pari; Deded Sarip Nawawi; Akhiruddin Maddu
Jurnal Penelitian Hasil Hutan Vol. 40 No. 3 (2022): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2022.40.3.189-202

Abstract

Electrical storage and distribution devices become important in next generation to help integrate more renewable energy intothe electricity grid. Supercapacitor technology is considered the most promising alternative to Li-ion batteries, which have limitedLithium material. However, the low energy density is a weakness of supercapacitors, even though they have a high-power density.Activated carbon-based supercapacitor electrodes have ideal potential for development. The inherent attributes of activated carbon,pore properties, and functional groups, are responsible for improving the performance of supercapacitors. The main challenge for theresearchers is the pore size distribution, micro (<2nm), meso (2–50 nm), and macro (>50 nm), which varied in activated carbon.Micro pores have an impact on increasing the value of specific capacitance values which will encourage an increase in energy density.Meso pores have an impact on the overall accessibility of the electrode surface by electrolyte ions. Future studies will emphasize oncarbonization and activated carbon activation techniques to improve the surface quality of activated carbon.
HUBUNGAN ANTARA TITIK DIDIH DENGAN PERSENTASE MASSA DARI BEBERAPA LARUTAN MADU ALAMI DAN MADU KOMERSIAL Dede Suhendar; Afifah Tasdiq; Asep Supriadin; Yusuf Rohmatulloh
Jurnal Penelitian Hasil Hutan Vol. 40 No. 3 (2022): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2022.40.3.203-214

Abstract

The traditional society's need for natural honey cannot easily be met with the many alternatives to commercial honey today,but the consistency of traditional methods in determining the authenticity of natural honey has not been scientifically confirmed. Thissimple research aims to study the relationship between the boiling point and mass percentage of some dilute natural honey based onthe basic idea of the colligative properties of the solution and its comparison with some commercial honey samples. Each honeysample (six samples of natural honey and six samples of commercial honey) was diluted with distilled water in various weightpercentages of 2.5–15.0% (w/w), then the boiling points were determined in ambient temperature and pressure. By using polynomialregression of degree 3, it was found that all-natural honey solutions had a pattern of increasing boiling point with increasing weightpercentage, with different curvature patterns approaching linear (R3Lin), logarithmic (R3Log), exponential (R3Exp), and sigmoid(R3Sig) like patterns. The results of the comparison with six commercial honey solutions, there are only two samples that have anincreasing regularity pattern, the rest are like fluctuates and/or has no relationship. Based on these results, the natural honeysolution still has a close consistency with the colligative properties of the concentrated solutions so that it can be recommended as anew method in determining the authenticity of honey that has not undergone further processing, remains simple, easy, and inexpensivefor testing.
KARAKTERISTIK FINISHING DAN SIFAT DASAR LANTAI BAMBU SEBAGAI PENGGANTI KAYU SOLID Khairun Hidayat; Naresworo Nugroho; Dede Hermawan
Jurnal Penelitian Hasil Hutan Vol. 40 No. 3 (2022): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2022.40.3.215-223

Abstract

Bamboo as a substitute for flooring raw materials is very potential to be developed because generally flooring is made of solidwood or other types of hardwood which have high quality but limited availability. Bamboo is chosen in the flooring industry, becauseof its distinctive and shiny pattern, and has a fairly high density. In this study, the flooring were made with various strips arrangementof horizontal (H), vertical (V), and combination (K) using Indonesian bamboo and coated with various number of water-basedfinishing layers (0, 3, 5). The bamboo flooring were tested referring to the ISO 21629-1 bamboo flooring for indoor use standardto evaluate the influence of the treatments on test results, and is expected to be able to provide recommendations for the preparationof SNI for bamboo flooring. The tests include the Modulus of Elasticity (MOE), Modulus of Rupture (MOR), stain resist,adhesion test, abrasion test, and hardness by pencil test. The result showed that the vertical arrangement formulation with threelayers of coating exhibite the best average score in this study with an MOE value of 162,603 kg/cm2, MOR 1,259.331 kg/cm2,adhesion test 2―4B, abrasion test 0.1149 g, and hardness by pencil test 2-4H compared to other formulations and teak flooringas a control. This bamboo product innovation is expected to be produced commercially and with good characteristics and can be usedas a reference standard in making Indonesian standart of bamboo flooring

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