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Jurnal Penelitian Hasil Hutan

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Published by Badan Penelitian dan Penegembangan Kehutanan

ISSN : 02164329 EISSN : 24428957 DOI : -

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management

Arjuna Subject : -

Articles 1,559 Documents

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SIFAT PENGGERGAJIAN DAN PEMESINAN ENAM JENIS KAYU HTI Jamal Balfas; Osly Rachman Rachman
Jurnal Penelitian Hasil Hutan Vol 6, No 5 (1989): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

This paper presented the result of study on sawing and machining properties of six Indonesian wood species being developed as raw materials for the wood working industries. The sawing properties studied comprise of sawn timber recovery, sawing velocity and power consumption. Whereas the machining properties of the timber were tested according to the modified ASTM D-1666 as described in the Forest Products Research Institute Report No. 160 (1982).The result showed that all of the species has good sawn timber recovery, i.e. more than 50%. Three of them can be cut eastiy wilh higher sawing velocity and lower power consumption in comparison with the other three. The species that have good or very good machining properties is merkuyung (Shorea johorensis). Species of meranti merah (Shorea fallax) has relatively poor machining properties. Whereas the other four species are good in some properties and fair to poor in others.

UJI COBA MESIN PENGERING KAYU KOMBINASI TENAGA SURYA DAN PANAS DARI TUNGKU TIPE I Efrida Basri; Achmad Supriadi
Jurnal Penelitian Hasil Hutan Vol 24, No 5 (2006): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Telah dilakukan uji coba teknis dan finansial terhadap mesin pengeringan kayu kombinasi tenaga surya dan panas dari tungku tipe SC+TI untuk kapasitas 19 m3 di salah satu industri/pengrajin kayu di Ngaringan, Grobogan, Jawa Tengah. Uji coba dilakukan terhadap kayu jati (Tectona grandis L.f.). Kebutuhan panas pengeringan di siang hari diperoleh dari tenaga surya dan di malam hari atau tergantung kebutuhan diperoleh dari tungku pembakaran dengan bahan bakar biomas/limbah kayu dari penggergajian sendiri. Tujuan uji coba adalah untuk mengetahui kelayakan teknis dan finansial dari pemanfaatan masin pengering tersebut.Hasil uji coba menunjukan suhu rata-rata harian dari panas surya yang diterima ruang pengering berkisar antara 40 - 50°C, sementara suhu untuk pengeringan kayu jati berkisar antara 45 - 70°C. Kekurangan panas diperoleh dari tungku bakar. Untuk mengeringkan sortimen kayu dengan kadar air 50% sampai mencapai kadar air 10% memerlukan waktu rata-rata 13 hari dan menghasilkan rendemen kayu kering sekitar 80%. Konsumsi limbah kayu untuk bahan bakar tungku pada setiap periode pengeringan 8 m3.Investasi pendirian unit pengeringan memerlukan biaya sebesar Rp 74.635.000. Biaya produksi setahun (jumlah produksi 304 m3) adalah Rp 3.251.548.750, sehingga harga pokok produk Rp 10.695.884/m3. Analisis kelayakan finansial pemanfaatan mesin pengering menunjukan dengan harga jual kayu jati kering Rp 11.000.000/m3. Titik impas (BEP) tercapai pada produksi sebesar 86,3 m3, Nilai sekarang neto (NPV) Rp + 374.245.458 dan Internal Rate of Return (IRR) 80%. Hasil ini menunjukkan bahwa mesin pengering tersebut layak untuk dioperasikan.

STRUKTUR ANATOMI, SIFAT FISIS DAN MEKANIS KAYU KAMBELU (Buxus rolfie Vidal.) DAN KANDURUAN (Phoebe cuneata Blume) ASAL HUTAN ALAM DI SULAWESI BARAT Mody Lempang; Muhammad Asdar; Sri Rulliaty
Jurnal Penelitian Hasil Hutan Vol 31, No 1 (2013): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Penelitian ini bertujuan mempelajari struktur anatomi dan sifat fisis dan mekanis dua jenis kayu dari hutan alam di Sulaweis Barat yaitu kambelu (Buxus rolfie Vidal.) dan kanduruan (Phoebe cuneata Blume). Hasil penelitian menunjukkan bahwa kambelu memiliki kayu teras berwarna kemerahan, gubal berwarna merah muda keabuan dan tebal 2-3 cm, lingkar tumbuh jelas, kayunya keras; serat berpadu; tekstur agak halus dan permukaan agak mengkilap. Kanduruan memiliki kayu teras berwarna coklat keabuan dan gubal berwarna coklat muda dengan lebar sekitar 5-7 cm, tekstur agak halus dan tidak merata, arah serat berpadu, agak mengkilap, kesan raba agak licin, keras, corak polos, dan tidak berbau khusus. Kambelu dan kanduruan mempunyai serat kayu panjang dan tebal dinding sel sedang dan berdasarkan nilai turunan dimensi seratnya termasuk kelas kualitas I untuk kertas. Kambelu dan kanduruan memiliki berat jenis 0,62 dan 0,63, tergolong kelas kuat III-I. Kambelu memiliki sifat penyusutan dari basah ke kering udara lebih rendah dari kayu kanduruan. Kata kunci : Kembelu, kanduruan, Sulawesi Barat, anatomi, fisis

KAJIAN BIAYA PRODUKSI, HARGA POKOK DAN BATAS KEUNTUNGAN PADA PENGOLAHAN PRODUK BERSAMA PENGERJAAN KAYU Setiasih lrawati; l M Sulastiningsih; Paribotro Sutigno
Jurnal Penelitian Hasil Hutan Vol 13, No 8 (1995): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

The study on production cost, base price and profit margin was conducted in wood working industry using sawn timber of perupuk (Lophopetalum spp.), meranti (Shorea spp.), damar (Agathis spp.) and jangkang (Xylopia spp.) for various joint products. The products were moulding, S4S. Solid jointed board, finger jointed board, finger jointed stick and door jamb. There were five products of perupuk, two of meranti, two of'jangkang and one of damar.The results of tire study showed that the method of joint cost calculation used by the mill was average cost per unit method. Production costs of jangkang and damar wood working products were higher than those of meranti and perupuk. The average proponion of raw materials, wages and others on the total production cost was respectively 62%, 4/% and 34%. Proportion of wage cost was small, on the contrary, proportion of other production cost was relatively high. Among ten kinds of wood working joint products, only three yielded a positive profit margin, namely, moulding, S4S and finger jointed board of perupuk.Based on the average cost per unit method the raw material cost, production cost and base price of S4S were lower than those of finger jointed stick. This results was irrational since the raw material cost of S4S should be more expensive than that of finger jointed stick. Consequently, the average cost per unit method was not suitable for joint cost distributing method of wood working joint products. Therefore. it is suggested for replacing this method with one that considers quality and price of raw material and the product selling price.

PERTUMBUHAN DAN NILAI GIZI Ganoderma lucidum MEDIA LIMBAH MANGIUM PADA Djarwanto Djarwanto; Sihati Suprapti
Jurnal Penelitian Hasil Hutan Vol 28, No 1 (2010): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Media pertumbuhan Ganoderma lucidum masing-masing dibuat dari serbuk kayu atau kulit kayu mangium. Kedalam serbuk kayu atau kulit kayu dan campuran keduanya, ditambahkan dedak, menir jagung, kapur, gips masing-masing 10%, 5%, 2%, 0,5% dan air suling secukupnya. Efisiensi konversi biologi (EB) dihitung berdasarkan berat jamur yang dihasilkan dibagi bobot media kering, dinyatakan dalam persen. Hasil penelitian menunjukkan bahwa pertumbuhan miselium jamur pada media bibit serbuk gergaji kayu lebih lambat dibandingkan dengan pada media bibit serbuk kulit kayu mangium, namun kualitas bibit yang dihasilkan dalam media serbuk gergaji lebih baik. Pertumbuhan miselium pada media bibit dan pada media kultivasi telah merata pada umur 4 minggu setelah inokulasi. Tubuh buah jamur sudah dapat dipanen pada umur 64 hari setelah inokulasi. Produksi jamur G. lucidum HHBI-322, HHBI-328 dan HHBI-337 umumnya rendah yaitu 18,68 g-40,86 g dengan nilai EB 9,77%-17,09%. Nilai gizi jamur terutama kadar protein dan lemak masing-masing berkisar antara 9,71%-13,65% dan 1,82%-4,50%. Polisakarida yang terdapat pada G. lucidum terutama glukan berkisar antara 6,95%-9,29%.

PENGARUH KOMPOSISI CAMPURAN SERPIB KAYU DAN KONSENTRASI LARUTAN PEMASAK NaOH TERHADAP SIFAT PAPAN SERAT BEKERAPATAN SEDANG Ridwan Achmad Pasaribu
Jurnal Penelitian Hasil Hutan Vol 12, No 3 (1994): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

A research has been done to mix four plantation wood species, i.e., Acacia mangium (mangium ), Paraserianthes falcataria (sengon), Eucalyptus urophylla (ampupu) and E. deglupta (leda) for wood pulp. Pulping process is semichemical open caustic soda. Pulp that have been processed then formed. into-MDF with wet process. physical and mechanical lests are done for density, moisture content, water absorption, thickness and volume swelling, tensile strength, modulus of elasticity :Range of pulp yield produced in the experiment was 67-82%. The mixed wood composition of 25% mangiuin, 28% sengon, 24% ampupu and 23% leda, processed wilh 35 g/l NaOH produced pulp yield in accordance with FAO standard, like wise, mixed wood camposilion of 32 % mangiun, 37% sengon and 31 % ampupu cooked with 35 and 40 g/l NaOH Physical and mechanical properties for five mixed wood compositions done in the experiment meet FAO standard if processed with 35 g/l NaOH, except for tensile strerigth. The resulis showed that wood chips composition, cooking liquor coecentration of them caused a significant effecl on tensile strength, modulus of rupture and modulus of elasticity, but these factors did not influence the density, water absorption and thickness swelling.

PENGARUH WADAH DAN LAMA PENYIMPANAN TERHADAP KUALITAS HASIL PENYULINGAN GETAH PINUS DARI SUMATERA BARAT Bambang Wiyono; Poedji Hastoeti; Evi Kusmiyati
Jurnal Penelitian Hasil Hutan Vol 21, No 1 (2003): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Oleoresin of pine (Pinus merkusii) is a Non Wood Forest Products commodity from West Sumatra. This oleoresin was obtained by tapping pine trees with square system followed by light burning to stimulate more oleoresin exudate to bleed. This research was carried out to assess the effect of storage time and kind of plastic laminated container for pine resin collected from the field with square tapped method, on rosin recovery rate and its physicochemical properties.Prior to distillation, the pine oleoresin was kept in two kinds of containers, i.e. plastic laminated steel and plastic laminated aluminium. The distillation of pine oleoresin kept in plastic laminated container produced about 5863 % of rosin and 2026 % of turpentine oil, respectively. Meanwhile, the distillation products of pine oleoresin previously kept in plastic laminated aluminium amounted to 5663 % of rosin recovery and 2227 % of turpentine. Analysis of variance of the experimental results indicated that container and storage time caused significant effect on ash content of rosin. The ash content of rosin from pine oleoresin after being kept in plastic laminated steel container was somewhat lower than that of the one being kept in plastic laminated steel container. The storage time of pine oleoresin up to 6 weeks in aluminium container could produce the rosin still comply with its prime quality and equivalent to WW (Water White) quality of rosin. Meanwhile, the storage time of pine oleoresin in steel container could last only for 4 weeks to meet the requirement to produce at such quality. The prolonged storage time of pine oleoresin caused the decrease in rosin quality. It is concluded that a plastic laminated container can be used to keep pine oleoresin up to 6 weeks, and still rendering a prime quality rosin based on the Indonesian National Standard.

PRODUKTIVITAS DAN BIAYA PENGANGKUTAN BIBIT PADA MEDAN SULIT DENGAN SISTEM KABEL LAYANG Wesman Endom; Yayan Sugilar; Silvanus Suprapto
Jurnal Penelitian Hasil Hutan Vol 25, No 1 (2007): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Indonesia saat ini terus giat melakukan upaya rehabilitasi hutan dan lahan. Dalam pelaksanaannya kegiatan ini mengalami berbagai kesulitan lapangan, terutama medan yang curam. Untuk mengangkut bibit di area seperti itu perlu dipertimbangkan solusi untuk cara pemecahannya. Hasil studi pertama dengan menggunakan rekayasa alat Prototipe-I, telah memberikan hasil cukup nyata. Pada pengujian untuk mengangkut bibit pada medan berat ini, diteliti rekayasa alat angkut bibit yang telah ada perbaikannya dengan sebutan Semanggi-I. Hasilnya memperlihatkan bahwa kinerja Semanggi-I lebih baik dari pada Prototipe-I. Semanggi-I dapat mengangkut sekitar 5.000-6.000 bibit.hm/jam yang adalah dua kali produktivitas Prototipe-I. Meskipun biaya tetap dan biaya operasi Semanggi-I lebih besar dibanding Prototipe-I rata-rata biaya pengangkutan bibit Semanggi-I adalah hanya Rp 7 per bibit yang kurang lebih setengahnya daripada biaya pengangkutan bibit dengan Prototipe-I.

PENEBANGAN POHON YANG EFISIEN DENGAN KERUSAKAN TEGAKAN TINGGAL MINIMAL Sukadaryati Sukadaryati; Dulsalam Dulsalam
Jurnal Penelitian Hasil Hutan Vol 20, No 2 (2002): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

To accomplish natural forest sustainable. the Indonesian Selective Culling and Planting (ISCP) system is adopted for natural forest management and timber harvesting. Felling trees using controlled system, based on ISCP guidelines. is able to decrease the level of residual stand damage. An investigation on a more efficient treefelling with minimum residual stand damage was carried out at on logging company in Jambi in 2000. The object is to obtain information on working time. productivity offelling and residual stand damage.The investigation results revealed that the level of residual stand damage caused by conventionalfelling system ranged from 12 0-18.3% with an average of 15.3%. and by controlled system varied from 7. 7-12. 9% with an average of 9. 9%. Controlled harvesting system could decrease the residual stand damage of 5.4%. The productivity of conventional felling system ranged from 24.465-44.873 m3/hour with an average of 33.681 m3/hour. Productivity of controlled felling system varied from 16.883-35. 650 m3/hour with an average of 25.012 m3/hour. The productivity of controlled felling system was lower than conventional felling system. For ecological and sustainability reasons, controlled felling system is more promising. PENEBANGAN POHON YANG EFISIEN DENGAN KERUSAKAN TEGAKAN TINGGAL MINIMAL

ANATOMI DAN IDENTIFIKASI SEPULUH JENIS KAYU DARI SULAWESI UTARA Y I Mandang
Jurnal Penelitian Hasil Hutan Vol 10, No 5 (1992): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Gross and anatomical features of ten wood species from North Sulawesi were observed and described. Two of them hove light colour and considerable hard, and therefore recommended for ramin substitute. They are Pangium edule and Neonauclea sp.For identification purposes several important features were noted: oil cell in Elmerillia, perforation plate scalariform in Elmerillia and Laplacea, vertical septum in axial parenchima strand of Serianthes, fiber septate in Pangium, Aglaia and Desoxylum.Serianthes minahassae contain fiber with best quality. It is therefore recommended for pulpwood.

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Hutan Vol 5, No 7 (1988): Jurnal Penelitian Hasil Hutan Vol 5, No 6 (1988): Jurnal Penelitian Hasil Hutan Vol 5, No 5 (1988): Jurnal Penelitian Hasil Hutan Vol 5, No 4 (1988): Jurnal Penelitian Hasil Hutan Vol 5, No 3 (1988): Jurnal Penelitian Hasil Hutan Vol 5, No 2 (1988): Jurnal Penelitian Hasil Hutan Vol 5, No 1 (1988): Jurnal Penelitian Hasil Hutan Vol 4, No 4 (1987): Jurnal Penelitian Hasil Hutan Vol 4, No 3 (1987): Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan Vol 4, No 1 (1987): Jurnal Penelitian Hasil Hutan Vol 3, No 4 (1986): Jurnal Penelitian Hasil Hutan Vol 3, No 3 (1986): Jurnal Penelitian Hasil Hutan Vol 3, No 2 (1986): Jurnal Penelitian Hasil Hutan Vol 3, No 1 (1986): Jurnal Penelitian Hasil Hutan Vol 2, No 4 (1985): Jurnal Penelitian Hasil Hutan Vol 2, No 3 (1985): Jurnal Penelitian Hasil Hutan Vol 2, No 2 (1985): Jurnal Penelitian Hasil Hutan Vol 2, No 1 (1985): Jurnal Penelitian Hasil Hutan Vol 1, No 4 (1984): Jurnal Penelitian Hasil Hutan Vol 1, No 3 (1984): Jurnal Penelitian Hasil Hutan Vol 1, No 2 (1984): Jurnal Penelitian Hasil Hutan Vol 1, No 1 (1984): Jurnal Penelitian Hasil Hutan More Issue

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