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Andri Agus Rahman
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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. 29 No. 4 (2011): Jurnal Penelitian Hasil Hutan" : 8 Documents clear
KEMUNGKINAN PEMANFAATAN BEBERAPA JENIS BAMBU TERTENTU, BERDASARKAN POLA PENYUSUNAN BERKAS PEMBULUH, SEBAGAI BAHAN BAKU PULP DAN KERTAS Nani Nuriyatin; Kurnia Sofyan
Jurnal Penelitian Hasil Hutan Vol. 29 No. 4 (2011): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2011.29.4.287-300

Abstract

The abundant availability of bamboos in Indonesia bas prompted their possible uses as raw material for pulp and paper. This is expected to replace its corresponding conventional raw materials (i.e. woods), which nowadays tend to be dwindling, scarce, and limited. In relevant, this research aims to assess the suitability of bamboo stem for such comprision several species. The grouping of bamboo species brought out the results,i.e. Arundinaria hundsii and Arundinaria javonica as pattern 1; Cephalostachyum pergracile and Melocanna baccifera as pattern 2; Dendrocalamus strictus and Dendrocalamus giganteus as pattern 3; and Dendrocalamus asper and Gigantochloa apus as patterns 3 and 4). In assessing the bamboo suitability for pulp and paper, an approach was taken whereby the bamboo species in the particular pattern was examined of fiber dimensions (i.e. fiber length, fiber flexibility, rigidity coefficient, Runkel ratio, and Mubistep ratio). To evaluate whether there were significant differences in the examination/ determination results among those 4 patterns, the analysis of variances (probability levels) with completely standardized one-factor design was employed followed with the different range test of the resulting means (Le. Tuckey procedures). The factor was those four bamboo patterns. Results revealed that each of those four patterns based on fiber length and felting power belonged to class I, indicating as the most favourable for pulp and paper. Meanwhile, other scrutiny based on fiber flexibility, rifidity coefficient, Runkel ratio, and Mublstep ratio turnd out that all the patterns belonged to class M. Further, bamboo species catagoried as pattern I exchibited species characters such as affording the bigbest fiber flessibility and lowest rigidity coefficient as well as runkel ratio compared to those of the alber patterns. Meanwhile, bamboo species in pattern 4 exhibited the bigbest fiber length and felting power. Ultimately, assessment on the overall fiber dimensions and their derived values came about that all the four bamboo pattern belonged to class III, as indicative qualities of the resulting pulp and paper However, to make sure whether such indication proved true, further in-depth research on the pulp and paper processing from those entire bamboos (pattern 1 until 4) deserves carrying out.
KUALITAS PAPAN PARTIKEL KAYU KARET (Hevea brasiliensis Muell. Arg) DAN BAMBU TALI (Gigantochloa apus Kurz) DENGAN PEREKAT LIKUIDA KAYU Ary Widiyanto
Jurnal Penelitian Hasil Hutan Vol. 29 No. 4 (2011): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2011.29.4.301-311

Abstract

As an effort to utilize rubber wood waste and the abundant resource of tali bamboo a study of producing particle board using a mix of the two materials was conducted. In addition, in order to find an alternative to synthetic adbesive, natural adhesive of wood liquid was used. This research was conducted in a 3 x 3 factorial analisys in acomplete randomized block design with two replicates. The factors studied were the type of particles (rubber, bambino rope and mixtures with a ratio of 50:50 by oven dry weight) and levels of adhesive (10%, 15% and 20%. Results show that wood liquids adhesive is characterised with pH <1, riscosity 2,03 poise, solid content 91%, gelatin time (90) 9 min 48 sec, specific gravity 1,153 and having black colour. The characteristics do not fulfil requirement of SNI 06-0121-1987 for phenol adhesive. The producced particle board has a density of 0,83 g/cm², moisture content 6,9%, thickness swelling 19%, water adsorbtion 28%, MOE 10540 kgf/cmỉ, MOR 258 kgf/cm², and Internal Bond (IB) 2,2 kgf/cm². The characteristics also do not fulfill the requirement ofSNI 03-2105-1996for medium density particleboard. Further research is still needed to meet the SNI requirements.
PEMANFAATAN LIGNIN HASIL ISOLASI DARI LINDI HITAM PROSES BIOPULPING BAMBU BETUNG (Dendrocalamus asper) SEBAGAI MEDIA SELEKTIF JAMUR PELAPUK PUTIH Sita Heris Anita; Dede Heri Yuli Yanto; Widya Fatriasari
Jurnal Penelitian Hasil Hutan Vol. 29 No. 4 (2011): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2011.29.4.312-321

Abstract

The utilization of black liquor produced in pulp and paper production has been limited for adbesive. In microbiology, black liquor can be used as a selective mediunt. The purpose of this study was to evaluate the performacne of lignin isolated from black liquor of biopulping process as a selective medium for white-rot fungi. Lignin, from black Liquor of soda and kraft pulping of bamboo petung was isolated by acid addition. Lignin solid was then purified using diccan solution, weighted and qualitatively analyzed using a spectrophotometer. The isolated lignin was added to agar media to test the white-rot fungi selectivity (Phanerochazte crysosporium and Trametes versicolor). The results showed that pretreatment of bamboo for 30 days give more lignin than the 45-days treated bambon. Lignin solid from kraft process was also bigher than lignin from soda process. Enzyme secretion from fungi T. versicolor occurs more rapidly than P. chrysasporium on selective media alkali-lignin.
AKTIVITAS ANTIOKSIDAN DAN TOKSISITAS EKSTRAK KULIT KAYU RARU (COTYLELOBIUM SP.) Gunawan Pasaribu; Titiek Setyawati
Jurnal Penelitian Hasil Hutan Vol. 29 No. 4 (2011): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2011.29.4.322-330

Abstract

Research on natural medicinal plants has been growing due to the increasing interest to natural medicinal material that is considered safer than synthetic medicines. In North Sumatera, bark of Cotylelobium sp which is locally known as raru, bas been widely utilized by the local community. The skin bark of this species is commonly used as a mixture of "nira" to produce "tuak" (Batak's traditional alcoholic liquor). In addition, local community has been using this species for traditional bealing as well. This research is to study the potency of raru's skin bark in producing anticocidant using DPHH method. The taxicity activity of the material was also examined using Brine Shrimp Lethality Test (BSLT) method. Results show that the yield extract of Cotylelobium melanocylon Pierre was 30.11% and Cotylelobium lanceolatum Craib was 14.50%. Both extracts contains flavonoid, tanin, saponin, triterpenoid and bidroquinon. The extract of Cotylelobium melanocylon Pierre has antioxidant activity against DPPH radical with value of IG as mus as 108.487 ppm and 77.909 ppm for Cotylelobium lanceolatum Craib. Furthermore, the toxicity of Cotylelobium melanoxylon Pierre was 643.550 ppm and Cotylelobium lanceolatum Craib was 767.191 ppm LC
SAWING RECOVERY OF SEVERAL SAWMILLS IN JEPARA Jamaludin Malik; Gary P. Hopewell
Jurnal Penelitian Hasil Hutan Vol. 29 No. 4 (2011): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2011.29.4.331-342

Abstract

In the situation of wood material shortage, it is important to furniture manufacturers to efficiently utilize the wood. Increasing efficiency for improving value added of small medium enterprises of wood furniture industries in Jepara should be carried out from the first stage in wood processing: sawing that will convert logs into sawn timber. A study has been carried out on improving sawing recovery of sawntimber by live-sawing pattern to make loseware lumber for furniture material in Jepara region. This study was done by investigating the current sawing recovery data as determined during one full day's processing at each of the four bandsaw mill facilities and one chainsaw/carving facility. The results indicate that the current recovery rate of sawmilling services companies in Jepara reached 70-80%. These recoveries are relatively high due to the live sawing pattern used and the fact that sawn boards were not edged or resawn into square pieces at the mill. Compared to existing rules and the Government standard for calculating the recovery rate, sawmilling service companies in Jepara have practiced efficient processing in sawing.
ESTIMASI POTENSI BIOMASSA DAN MASSA KARBON HUTAN TANAMAN Acacia crassicarpa DI LAHAN GAMBUT (Studi Kasus di Areal HTI Kayu Serat di Pelalawan, Propinsi Riau) Yuniawati; Ahmad Budiaman; Elias
Jurnal Penelitian Hasil Hutan Vol. 29 No. 4 (2011): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2011.29.4.343-355

Abstract

The role of forests as carbon sink and carbon store is undoubtedly important to reduce the carbon amount in the earth atmosphere thereby preventing greenbouse (GHG) effect that can induer the global warming. Among the varisar types of forest, peat swamp forest serves as the largest carbon store. A research bas been carried out at the fiber wond plantation forest comprising mostly Acacia crassicarpa species that grew on a peat land, at the Pelalawan sector, Rian Province. The research was to obtain allometric equatios that related the growth parameters of A. crassicarpa trees (Le tree diameter (D) and height either a total (tot) or branch free (Hbc)) to their growth products Le.biomess (W) and carbon mass (C). It was found that the best fitted and must representative allometric equations were consecutively IF= 0.398918D Hix (for estimating biomass patency) and C = 0.131D Htol""" (for carbon mass potency) Fartbremore, samples A. Crassicarpa tree from different stand ages (2,3,4, and 5 years old) covering particular free portions (Le main stems, branches, twigs, leaves, and roots) were tested for moisture contents, specific growity/density, ash content, volatile matter and fisced carbon. The allometric equations obtained were used to measure and estimate the biomass and carbon mass potencies of A. crassicarpa tree stands at their age group, iz. 2,3,4 and 5 years old Using those allometric equations, the estimates of biomass (W) of A. Crassicarpa for age 2, 3, 4 and 5 years old are 44.98 tons/ha, 70.35 tons/ha, 134.05 tons/ba, and 234.78 tons/year. The potency of carbon mass are 12.09 tons/ha, 36.23 tons/ha, 76.09 tons/ha and 133.10 tons/ha, for stand age 2,3,4 and 5 respectively.
PERBANDINGAN CIRI ANATOMI KAYU DAN KULIT 3 JENIS PULAI (Alstonia sp.) Andianto
Jurnal Penelitian Hasil Hutan Vol. 29 No. 4 (2011): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2011.29.4.356-368

Abstract

Pulai (Alstonia sp.) belonging to the family Apocynaceae, produces latex which is frequently used as a traditional medicine. Various literatures on medicinal tree species frequently mention about it, but a description of the wood and bark anatomy of pulai up to the species level is hardly found. Anatomical structure of wood and bark of Alstonia scholaris, A. angustiloba and A. pneumatophora were observed on samples produced using a microtome. Dimensions of wood fiber and vessel cells also were measured. Observations showed that the three species of pulai wood can be distinguished from the differences in diameter and frequency of vessel cells, type and arrangement of parenchyma cells, width and composition of the ray cells. The bark of these species can be distinguisbed based on the form of sklereid cells and the presence of dilationed ray cells (widening ray cell).
PENINGKATAN PRODUKTIVITAS PEΜΑΝΕΝΑΝ KAYU MELALUI TEKNIK PEΜΑΝΕΝΑΝ KAYU RAMAH LINGKUNGAN: KASUS DI SATU PERUSAHAAN HUTAN RAWA GAMBUT DI KALIMANTAN BARAT Sona Suhartana; Yuniawati
Jurnal Penelitian Hasil Hutan Vol. 29 No. 4 (2011): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2011.29.4.369-384

Abstract

Implementation reduced impact logging (RIL) technique in peatlands may contribute optimum and sustainable yield. A study was carried out at concession area of Kalimantan Subur Permai Company, West Kalimantan. The area war a natural peat swamp forest set aside for the land-clearing in preparation for the establishment of industrial plantation forest, in which consisted of miced barkwood trees. This study examined possibility of increasing productivy, decreasing logging cast, subsidence, and water fluctuation using RIL. technique. Results revealed that the use of RIL in felling, skidding, loading, un-loading, and banling at peat swamp forest could: 1. Increase productivity for each activity of consecutively 0,946 m²/hour, 2,449 m² / Бомт, 1,96 m²/bour, 1,871 m²/hour, and 2,158 ml/bour, 2. Decreased production cost of Rp 992,1/m², Rp 3.088,6/, Rp 127,9/m², Rp 99,7/m², and Rp 158,6/m² consecutively; 3. Inceased timber efficiency utilization (TUE) about 6% equal to Rp 74,400,000/year, 4. Subridence proceeded at 0.375 om/year rate, which corresponded to 1.875 cm in five years. This figure was still lower than that stipulated in the Indonesia's Government Decree (PP) Na. 150-2000. 4. The averages of water level at logging site and canal were 61.75 cm and 52.25 cm, respectively.

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