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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 8 Documents
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Search results for , issue "Vol. 30 No. 2 (2012): Jurnal Penelitian Hasil Hutan" : 8 Documents clear
PENGARUH PERENDAMAN MENGGUNAKAN LARUTAN CAMPURAN TEMBAGA SULFAT DAN NIKEL NITRAT TERHADAP WARNA PERMUKAAN BAMBU Gigantochloa apus Kurz. Barly; Susilawati
Jurnal Penelitian Hasil Hutan Vol. 30 No. 2 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.2.87-93

Abstract

Bamboo eschibits changes of its attractive green-colored skin inta ivory yellow. Bamboo colour wall turn into dark grey when immersed in water or kept in damp place. Consequently, an attempt is required to prevent such color changes on the surface of bamben skin. This remarch looks into the effectiveness of copper sulfate and nickel nitrate mixture in water based solution to maintain the green color on the skin surface of hambos (Gigantochloa apus Kurtz). The solution is employed in various proportions (w/w) and concentrations. Color innrpretation on the bamboo-skin surface wat assisted wting the so-called CDX's enfor difference meter device based on three-dimensional CIE (L*a*,*) principle. It turned out that intensity of green color on the skin of bamboo trunk at its top (upper) portion and middle portion was greaterthan that of the butt (lower) portion. Furfber, the use of copper culfate nickel nitrate miscture mlution at 4.0:3.5 proportion and in 7.5% concentration inflicted the greatest intensity of green color (", ", and be in average consecutively 61.8, -14.3, and 18.3) on the bamboo-skin, and concurrently afforded the inat prevention of such green color.
PENGARUH ASETILASI TERHADAP PENYERAPAN UAP AIR PADA DUA JENIS KAYU TROPIS Krisdianto
Jurnal Penelitian Hasil Hutan Vol. 30 No. 2 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.2.94-99

Abstract

Acetylation is an esterification process that aiming to replace bydrocyl groups with acetyl groups in the wood. The existence of acetyl group is expected to reduce water adsorption and stabilize wood dimension consequently. This study examined water adsorption on the two acetylated tropical wood species i.e. Anthocephalus chinensis and Calephyllum sp.Using isotherm method. The results show that water adsorption in wood of Antbucephalus is effectively reduced even at the smallest weight percentage gain, while in Calophyllum sp., it is effectively reduced at 10% weight percentage zain. The wuter adsorption varies by the relative humidity and it forms signoid madel from the lowest (11%) to the highest (97) of humidity.
SIFAT DAN MUTU ARANG AKTIF TEMPURUNG KEMIRI Mody Lempang; Wasrin Syafii; Gustan Pari
Jurnal Penelitian Hasil Hutan Vol. 30 No. 2 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.2.100-113

Abstract

Activated charcoal is charcoal product obtained through activating process which possesses better adsorption properties and wider uses than charcoal. The common sources of activated charcoal feedstocks are coal, wood and agricultural by-products such as nutshells and fruitpits. This research was carried out to develop processing technology of cundienut shell activated charcoal. Candlenut shell (Aleurites moluccana Willd) were carbonised in drum kyln to produce charcoal, then the charcoal was activated in electrical retort beating duration of 90 and 120 minuts at temperatur of 550 C, 650 C and 750 C. Properties evalnation were assessed in a accord with the Indonesia National Standard (SNI) 06-3730-1995. Results indicated that the activation treatment bad direct affect on the activated charcoal properties. The activated charcoal that efforded highest adsorption capacity on lodine number of 758,70 mg/g wat optained by steaming activation could meet at temperatur of 750 C. This activated charcoal properties the requirements of SN106-3730-1995,
PEMANFAATAN KOMPOS KULIT KAYU MANGIUM UNTUK MEDIA PERTUMBUHAN CENDAWAN MIKORIZA ARBUSKULA DAN BIBIT Acacia mangium Willd. Sihati Suprapti; Erdy Santoso; Djarwanto; Maman Turjaman
Jurnal Penelitian Hasil Hutan Vol. 30 No. 2 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.2.114-123

Abstract

Sterilized and unsterilized manginm bark which added with activators and composted for 30 days were used at a growth medium for mycorrhizal fungi and Acacia mangium seedlings. Degradation rate of the bark wus evaluated based on the changing content of organic carbon, total nitrogen, nutrient content, and its cation exchange capacity (CEC) Results showed that activators added on the compasting process of manpium bark reduced C/N ratio to 21.90 in sterilized bark and 25.30 in the ansterilized, respectively. The addition of actors tended to increase the nutrient content Le. N 0.82 -1.09%, P 0.22 -0.36%, and K. 0.36 -1.12%, and increase the value of CEC ints 31.3 to 32.7 me/100g Mycurrhizal colonization on medium means that composted mangium bark can be used both as growth and mycorrbizal carrier media. A high percentage of mycorrhizal colony was found in the medium made of sterilized mangium bark added with activators inoculated with Glomus sp. ir. 45%. The growth rate of A. mangium seedling on the mediume made of sterilized mangium bark added with activator tended to be bigher than that of the unsterilized bark. The highest growth was found on medium inoculated with Gigaspora sp., abile the largest stem diameter occurred on the medium inoculated with Glomus sp.
KAJIAN LUAS PETAK TEBANG OPTIMAL DI HUTAN TANAMAN RAWA GAMBUT: KASUS DI SATU PERUSAHAAN HUTAN DI RIAU Sona Suhartana; Sukanda; Yuniawati
Jurnal Penelitian Hasil Hutan Vol. 30 No. 2 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.2.124-134

Abstract

Productive and effective logging activities are usually contentrated at the felling site. These mean that an ideas, felling site development at peat swamp forest plantation in determined by an optimum area. There has been limited study on optimum felling site area at peat swamp forest plantation in Indonesia. This study was carried out in June 2011 at concession area of Arara Abadi Company, Riau. This study aimed of finding out optimum felling site area at peat swamp forest plantation. Field data from some alternatives felling site area i.e. productivity and cost of skidding and canal maintenance/development were collected and processed by tabulation. Study result revealed that based on technique and cost aspects felling site of 150 m x 350 m is an optimum size.
SIFAT FISIK KAYU MANGLID (Manglieta glauca Bl.) PADA ARAH AKSIAL DAN RADIAL M. Siarudin; Ary Widiyanto
Jurnal Penelitian Hasil Hutan Vol. 30 No. 2 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.2.135-143

Abstract

Study on physical properties of manglid (Manglieta glauca Bl) wood on axial and radial orientation has been conducted. Three manglid trees were taken as samples from community forest in Sodongbilir Village, Sodongbilir Sub-district, Tasikmalaya Regency, West Java. The observation focused on physical properties on three positions of both accial orientation (bottom, midle and top of trunk) and radial orientation (near pith, middle and near bark). The parameters observed were fresh moisture content, air dry moisture content, and wood dimensional changes. Result shows that the average of fresh moisture content of manglid wood is 168.77%, air dry moisture content is 14.63%, specific gravity on fresh volume is 0.35, specific gravity on air dry volume is 0.36 and specific gravity kiln dry volume is 0.38. Based on its dimensional changes, manglid wood bas longitudinal shrinkage value of 1.51%, radial shrinkage value of 4.08%, tangential shrinkage value of 5.84%, and ratio of tangential and rudial shrinkage of 1.54. Physical properties of manglid wood on axial and radial orientation are varied for fresh miosture content and specific gravity, while the air dry moisture content and the dimensional changes are not significantly different. The trend of fresh moisture content value on axial orientation is increased from the bottom to the middle of the trunk, and then decreased ot the top of the trunk. On radial orientation, the fresh moisture content value consistently decreases from the pith to towards the bark. Specific grafity value on the axial orientation decreases from the bottom of the trunk to the midle, then increases on the top. In radial orientation, the specific gravity gravity ralue consistently increases from the pith towards the bark.
REKAYASA PEMBUATAN MESIN PELET KAYU DAN PENGUJIAN HASILNYA Djeni Hendra
Jurnal Penelitian Hasil Hutan Vol. 30 No. 2 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.2.144-154

Abstract

Stock of fossil fuel will be decrescasing in the coming years accordingly, finding other raw material from renewable sources especially wood waste has to be sought. This material can be used as beat, electricity, transportation and directly used as fuel wood. However, phirycal properties of biomass, particularly sawdust has low density, difficult to store and transport. This problemscan be solved by converting sawdust into wood pelletusing a bat brydraulic press machine. The objective of this study was to make wood pellet machine and testing characteristics of the wood pellets. The machine has been succesfully made with production capacity of 2.67 kg/ b. Ramwmaterial sused in these research were sawdust of Tectona grandis, Paraserianthes falcataria and Acacia auriculiformis with particle size of 60 and 80 mesh. These materials were then machined into wood pellets at three stages of temperatures, ie. 150, 180 and 250°C respectively. Evaluation of wood pellet quality included moisture content, ash content, volatile matter, calorific value, density and pressure strength. The results showed that the bigbest quality of wood pellet was abtained from teak sawdust of size 80 meshand press temperature of 250 CThis process produced condition wood pellet with moisture content of 0.98%, asb content 0,93, volatile matter 80.63%%, density 0.82 g/cm', pressure strength 387,64 kg/cmi and calorific value of 4961.51 cal/g. Productivity of wood pellet machineis 2.67 kg with electric energy consumption of 2,55 kWh per hour.
PENGAWETAN WARNA KAYU TUSAM (Pinus merkusii) DAN PULAI (Alstonia sp.) DENGAN MENGGUNAKAN BAHAN DASAR DISINFEKTAN Barly; Agus Ismanto; Dominicus Martono; Abdurachman
Jurnal Penelitian Hasil Hutan Vol. 30 No. 2 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.2.155-162

Abstract

Wood color can vary much between species but the variations tends to be smaller within the same species. Noticeable deviations in color at timber surface or in the core of the same board my cause problems in timber trading or in final product's appearance. Undesirable discoloration often develops during wood drying process. The research aims to study natural color changes of Pulai (Alstonia sp.) and Pine (Pinus merkusii). Prevention of wood color change is undertaken by using active ingredients of benzylkonium chloride (A and D), phenol (B and C), creselic acid (E), sodium bypochlorite (F) and methylen-bis-thiocyanate (G). The treated wood samples together with their controls were then kept in three different conditions, i.e. conditioning room at 70 RH and temperature of 18 C, in the terrace and in the oven with temperatures of 60 C and 120 C. The test results demonstrate that the bigbest brightness (L") was obtained at Pulai the wood surface and inside the wood block using formulation of D, namely 87.3 and 89.3 with a total value of the brightness variation (AL) -6.7 and -4.7. However, the bigbest brightness of Pine wood was acchiered using formulation, namely 83.5 and 80.0 with a total variation of brightnest of -10.5 and-14.0. These value swere obtained from samples stored in low temperature and bumidity (air conditioned).

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