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Wening Sri Wulandari
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Jl. Gunung Batu 5, Bogor 16610, Indonesia. Tlp. : +62-251-8633378 Fax. : +62-251-8633413
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INDONESIA
Jurnal Penelitian Hasil Hutan
ISSN : 02164329     EISSN : 24428957     DOI : 10.20886/jphh
Jurnal Penelitian Hasil Hutan adalah jurnal ilmiah nasional yang mempublikasikan tulisan yang telah dicermati oleh Dewan Redaksi dan Mitra Bestari di bidang hasil hutan. Tulisan dalam Jurnal Penelitian Hasil Hutan mencerminkan inovasi dan hasil penelitian dasar dan terapan yang berkualitas di bidang hasil hutan. Topik tulisan penelitian hasil hutan meliputi: 1. Anatomi bahan berlignoselulosa 2. Sifat fisik dan mekanik bahan berlignoselulosa 3. Teknologi serat bahan berlignoselulosa 4. Papan komposit bahan berlignoselulosa 5. Biodeteriorasi dan pengawetan bahan berlignoselulosa 6. Teknologi pengeringan hasil hutan 7. Penggergajian dan pemesinan kayu 8. Pengolahan hasil hutan kayu dan bukan kayu 9. Pengolahan kimia dan energi hasil hutan 10. Ilmu kayu dan teknologi hasil hutan Keteknikan hutan 12. Pemanenan hasil hutan kayu dan bukan kayu
Articles 1,297 Documents
PEMANFAATAN LIGNIN DARI LINDI HITAM UNTUK PEMBUATAN KOPOLIMER LIGNIN RESORSINOL FORMALDEHIDA SEBAGAI PEREKAT KAYU LAMINA Adi Santoso
Jurnal Penelitian Hasil Hutan Vol 22, No 3 (2004): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2004.22.3.143-154

Abstract

Black liquor as a waste of (yielded by) pulp factories in Indonesia was estimated to reach more than 2.3 million tonnes/year. The use of this liquid has long been explored for wood adhesive, particularlyfor glue cold setting type. In this research, black liquor was isolated to get lignin isolate by re-precipitation method. The lignin isolate was then added with resorcinol and formaldehyde at molar ratio of Lignin (L): Resorcinol (R): Formaldehyde (F) = 1:0.5:2. Physical. mechanical, and chemical properties of the glue were tested and evaluated using procedures described in Indonesian standard (SN/)and Japanese standard (JAS).Results indicated that the isolate lignin obtained from black liquor contained typical functional groups, namely hydroxyphenolic and  metoxyl. Under FTIR spectrophotometer. the co-polymer lignin resorcinol formaldehyde showed similar infrared wave number  to those of  phenol  resorcinol formaldehyde  resin. The adhesive  yielded from co-polymerization lignin had  a  red-brown colored dilution, typical phenol smell, with 48.95% of  solid content, 3. 71% of free formaldehyde,  and  227.5 minute of gelatinous time. The Lignin resorcinol formaldehyde glue is applicable for laminated  wood  products.
PEMANFAATAN ASAP CAIR KAYU PINUS (Pinus merkusii Jungh. & de Vriese) SEBAGAI KOAGULAN GETAH KARET Santiyo Wibowo; Gustan Pari; Raden Esa Pangersa Gusti
Jurnal Penelitian Hasil Hutan Vol 34, No 3 (2016): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2016.34.3.199-205

Abstract

Smoke liquid is a liquid obtained from smoke condensation during charcoal firing process. The main content of the smoke liquid is acetic acid, hence, can be used as an alternative latex coagulant. Acid in vinegar can reduce the pH of latex and  cause the latex to coagulate rapidly. This paper determines effectiveness of using  smoke liquid as a latex coagulant and characteristics of the treated latex. The smoke liquid  in this study was derived from pine wood. The smoke liquid solutions consisted of  the crude smoke liquid and the diluted solution in various concentrations of 5, 10, 15 and 20%. The smoke liquid solution was then each poured into a container of  latex. Testing was undergone by observing latex coagulating time, coagulate condition, texture, color, odor and homogenity. The most effective smoke liquid which produced the best latex based on its performances was then taken for further testing of physico-chemical properties which included dry rubber content, plasticity retention index (PRI), initial plasticity (Po), final plasticity (Pa), dirt content, ash content, volatile matter content (Vm), and nitrogen content. Results were then compared with the conventional use of formic acid as a control coagulant. The result showed that the crude and distillate smoke liquid solutions with concentration of  10% produced the best coagulantperformances than the other solutions. Rubber latex treated with the crude smoke liquid produced the best physico-chemical properties and could meet requirements of the Indonesian National Standard (SNI) for Rubber Quality.
PRODUKTIVITAS DAN BIAYA ANGKUTAN KAYU DENGAN REL BAJA DAN REL KAYU Dulsalam Dulsalam
Jurnal Penelitian Hasil Hutan Vol 5, No 2 (1988): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1988.5.2.52-59

Abstract

The paper presents  the result of a study  on the productivity  and cost of haulage on steel and wooden  rails.  The study was  conducted at  4 logging companies in  West  Kalimantan   during  year  1982.  There  were 2  methods of  log haulage observed, namely using locomotive and  manual  pushing.The  logging companies generally  used rail weighing  7 - 10 kg/m  and 5 x 7 cm wooden  rail. The distance between steel and  wooden  rails were  respectively 60  - 70  cm  and  60  cm  or  less.  The  crew  size  varied  from  8 to 12 men  for locomotive haulage consisting  of  12 - 16  lorries,  and  2 - 4 men/lorry for haulage on  wooden rail.  The  result  of  the haulage study  reveals also the productivity figures of respectively  156.9  m3 km/hour  and 2.4 m3 km/hour for the first and the second  methods mentioned   above.                                                                                            Log  transportation   on steel  rail  is safer for the labour compared  with  that on wooden  rail,  and the life of steel  rail is much   longer  than  that,  of  wooden rail.   Although   steel  rail is higher  in the  investment   cost  compared  with  woode'n  rail (Rp  14 - 21  million/km and Rp  2.35 million/km respectively), the average haulage cost per m3' km  is about  one-third  of the  latter  (Rp 80.1/m3 km  and Rp  254.4/m3 km respectively).
PENENTUAN PENUMPULAN PISAU PADA PERMUKAAN KAYU Jamal Balfas
Jurnal Penelitian Hasil Hutan Vol 12, No 2 (1994): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1994.12.2.109-113

Abstract

The wear of wood cutting tools is, generally, the process which makes a usable tool unfit for continued use. The replacement of the worn cutter either by reconditioning or substitution of a new one represents a necessary cost which can be minimized by controlling tool wear. Numerous studies have been conducted through direct observations on the cutting edge using a variety of photographic methods. Such observations are quite complicated and can hardly be introduced to industrial practices. This study is aimed to explore a possibility of determining cutting tool wear indirectly through the work piece observation. It is based on assumption that knife blunting has a direct bearing on the quality of the finished product, i.e., changing the geometry of cutting marks on the wood surface.Boards of two wood species, rasamala and mangium, were seasoned to air-dry condition and planed using new sharp knives at one feed speed of 30 m/min. Observations were carried out sequentially at 5 planing distances, i.e., 10, 20, 40, 80 and 160 m. Cutting marks geometry on the wood surface was distinguished by rubbing the surface gently with a carbon paper. Measurements of cutting marks and the width of cutting peak were undertaken using a digital calliper. Results showed that values of cutting marks and width of cutting peaks markedly increased with increasing planing distances. Blunting process was significantly affected by wood species. Knives used for planing rasamala boards blunted quicker than those used for mangium. These, to some extend, revealed a possible use of cutting marks structure on wood surface for determining the wear of cutting edge.
PENGARUH PEREBUSAN PADA IMPREGNASI KAYU KARET Harly Harly
Jurnal Penelitian Hasil Hutan Vol 7, No 2 (1990): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1990.7.2.68 - 70

Abstract

Rubberwood  is  becoming more important in  Indonesia and  hence research for   better treatment of  this  very susceptible wood  species  is badly needed. In general, the impregnation  of  the green wood  results in a limited  penetration.Boiling before preservative treatment by alternating pressure process greatly  improved  the  treatment of rubberwood. A boiling period  for one hour was sufficient to obtain  required penetration  of preservative.
KEMUNGKINAN PENGGUNAAN BAHAN PENGAWET ZFK Sasa Abdurrohim; Pipin Permadi
Jurnal Penelitian Hasil Hutan Vol 14, No 7 (1996): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1996.14.7.264-273

Abstract

Since CCA preservative was banned  in Indonesia, alternative preservative should be searched.  One of  the preservative which  has good fixation characteristic like CCA is ZFE. preservative  that contain zink, fluor and chrom.The retention  and  penetration  of  ZFK  in five Indonesian  wood  species  were studied.   The ZFK preservative  was applied  using soaking  method for  3, 5 and 7 days, where the solution concentration  applied was 5 %  and 10%.  Five wood species  choosed  in the experiment were damar  (Agathis loranthifolia),  keruing (Dipterocarpus caudiferus), jelutung  (Dyera costulata), meranti merah (Shorea palembanica) and nyatoh (Palaquium leiocarpum).The lest results based on  retention and penetration  requirements for  wood used under roof, and in the open air both without ground contact, showed  that only two species,  keruing  and jelutung,    could satisfactorily  meet the standard  under the experimental conditions, while other tree species  (damar, meranti merah and nyatoh) do not comply with tire standard.  For under roof  and in the open air uses without ground  contact keruing can be consecutively soaked for 7 days in Basilit ZFK solution of 10% , while jelutung for 5 days.  
ANALISIS PENGEMBANGAN MODEL HUTAN TANAMAN INDUSTRI POLA MOSAIK DENGAN PENDEKATAN PROGRAM LINIER : Suatu Gagasan Pendekatan untuk Daerah Padang Lawas, Sumatera Utara B D Nasendi; Hasanudin Hasanudin; lwan Nugroho; Mulyaningrum Mulyaningrum; O K Karyono; Tryono Tryono; Abdul Murod; Walpen Sipayung
Jurnal Penelitian Hasil Hutan Vol 14, No 8 (1996): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1996.14.8.291-307

Abstract

A Study of Industrial Plantation Forest model in Padang Lawas, North Sumatera using new concept of HTI (HTI - Mozaic) as HTI - Mix cropping or HTI - agroforestry, as it is not only for wood production but also for agriculture (Horticulture Crop) and grass for cattle was conducted.Optimal solution using Linear Programming approach shows that plant composition ofIndustrial Plantation Forest-Mozaic development in Padang Lawas area are; shorea (10000 ha ), albizia (6914 ha), akasia (9375 ha), palm oil (4757 ha), king grass and brachiaria (2499 ha ). Shorea has a highest shadow price and critical constraint, so the increase in land allocation for shorea will be profitable. Furthermore, post-optimal analysis indicates that land area for shorea is increased double, profit will also increase about Rp 49,361 billions. While for other commodities solutions are relatively stable.
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 : Pusat Penelitian dan Pengembangan Hasil Hutan

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

Abstract

Pemakaian perekat alami likuida kayu (wood liquids adhesive) dengan campuran kayu karet dan bambu tali dimaksudkan sebagai upaya pemanfaatan limbah kayu karet dan bambu tali, di samping sebagai substitusi perekat sintetis. Dalam penelitian ini digunakan analisis faktorial 3 x 3 dalam rancangan acak lengkap dengan dua kali ulangan. Faktor-faktor yang diteliti adalah jenis partikel (karet, bambu tali dan campurannya dengan perbandingan 50 : 50 berdasarkan berat kering tanur) dan kadar perekat (10%, 15% dan 20%). Hasil penelitian menunjukan bahwa perekat likuida kayu memiliki ciri-ciri sebagai berikut: pH kurang dari 1, viskositas sebesar 2,03 poise, kadar padat perekat 91%, waktu gelatinasi (90) 9 menit 48 detik, berat jenis 1,153 dan warna perekat hitam. Berdasarkan ciri tersebut, perekat likuida kayu belum memenuhi syarat SNI 06-0121-1987 untuk perekat phenol formaldehida. Papan partikel campuran kayu karet dan bambu tali memiliki kerapatan 0,83 g/cm3, kadar air 6,9%, pengembangan tebal 19%, daya serap air 28%, MOE 10540 kgf/cm2, MOR 258 kgf/cm2, dan Internal Bond (IB) 2,2 kgf/cm2. Berdasarkan ciri tersebut, papan partikel tersebut belum memenuhi syarat SNI 03-2105-1996 untuk papan partikel berkerapatan sedang (medium density particle board).
PRODUKTIVITAS DAN BIAYA PENYARADAN KAYU DENGAN GAJAH DI SUATU PERUSAHAAN HUTAN DI RIAU Dulsalam Dulsalam; Maman M Idris; Djaban Tinambunan
Jurnal Penelitian Hasil Hutan Vol 16, No 5 (1999): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1999.16.5.231-253

Abstract

Penelitian produktivitas penyaradan kayu dengan gajah ini dlakukan di suatu perusahaan hutan di Riau pada tahun I997. Tujuan dari penelitian ini adalah untuk mengetahui produktivitas dan biaya penyaradan kayu dengan gajah. Sasaran penelitian ini adalah memperoleh informasi teknis dan ekonomis mengenai penyaradan kayu dengan gajah. Informasi ini dapat dijadikan sebagai bahan acuan bagi para pengelola hutan dalam merencanakan penyaradan kayu dengan gajah. Data waktu kerja penyaradan, jarak sarad dan volume kayu yang disarad, harga gajah, biaya perawatan gajah dikumpulkan.Gajah liar yang telah dijinakkan dapat digunakan untuk kepentingan pengelolaan hutan misalnya untuk melakukan kegiatan penyaradan kayu. Volume kayu yang disarad pada penyaradan kayu dengan gajah tanpa alat bantu berkisar antara 0,163 - 0,563 m3/rit dengan rata-rata 0,322 m3/rit sedangkan volume kayu yang disarad dengan alat bantu berkisar antara 0,154- 0,519 m3/rit dengan rata-rata 0.320 m3/rit. Jarak sarad pada penyaradan kayu dengan gajah tanpa alat bantu berkisar antara 80-235 m dengan rata-rata 161 m, sedangkan jarak tersebut dengan alat bantu berkisar antara 70-235 m dengan rata·rata 160 m. Waktu kerja keseluruhan dalam penyaradan kayu dengan gajah tanpa alat bantu berkisar antara 6-29 menit (0,10 - 0,48 jam)per rit dengan rata-rata 16 menit (0,27 jam) per rit sedangkan waktu kerja tersebut dengan alat bantu berkisar antara 3,10-14,08 menit ( 0,05-0,40 jam) per rit dengan rata-rata 10,28 menit (0,17 jam) per rit. Produktivitas penyaradan kayu dengan gajah tanpa alat bantu berkisar antara 0,969-4,132 m3-hm/jam dengan rata-rata 1,972 m3-hm/jam ,sedangkan produktivitas penyaradan tersebut dengan alat bantu berkisar antara 1,260 - 5.112 m3hm/jam dengan rata 3,099 m3-hm/jam. Biaya penyaradan kayu dengan gajah tanpa alat bantu berkisar antara Rp 1.334- Rp 5.732 /m3-hm dengan rata-rata Rp 3.232/m3-hm sedangkan biaya penyaradan tersebut dengan alat bantu berkisar antara Rp 1.159-Rp 4.702/m3-hm dengan rata-rata Rp 2.201 /m3-hm. Disarankan volume kayu yang disarad tidak lebih dari 0,5 m3 per rit dan jarak sarad tidak lebih dari 300 m.
KUALITAS FILAMEN DAN BENANG SUTRA DARI KOKON HASIL UJI COBA PENGERINGAN DAN PENYIMPANAN MENGGUNAKAN ALAT DESAIN P3HH BOGOR Efrida Basri; Kaomini Kaomini; K. Yuniarti
Jurnal Penelitian Hasil Hutan Vol 27, No 3 (2009): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2009.27.3.213-222

Abstract

Kokon segar memiliki masa simpan yang singkat untuk dapat dimanfaatkan sebagai bahan baku pembuatan benang sutra. Pupa dalam kokon akan tumbuh menjadi ngengat dalam waktu +5 hari. Proses pengeringan tidak hanya akan mematikan pupa, tapi juga menurunkan kadar airnya. Akan tetapi, karena kokon yang telah kering masih mudah menyerap air kembali dari lingkungannya, maka diperlukan alat penyimpanan kokon untuk mempertahankan mutunya. Permasalahan yang dihadapi di lapangan selama ini adalah pengamanan terhadap kokon  kering masih belum dilakukan dengan tepat. Kokon dimasukkan ke dalam karung bawang kemudian ditumpuk di ruangan terbuka yang kondisi suhu dan kelembabannya tidak diatur, sehingga selama penyimpanan kokon yang sudah kering akan menarik air kembali atau diserang jamur maupun serangga. Tujuan penelitian adalah mengamati kualitas filamen dan benang sutra dari kokon hasil uji coba menggunakan alat pengeringan EB-2005D dan penyimpanan EB-2007S yang didesain P3HH Bogor. Hasil penelitian menunjukkan bahwa kualitas filamen maupun benang sutera dari kokon yang dikeringkan dan disimpan pada alat yang didesain P3HH Bogor lebih baik dibandingkan dengan kualitas dari kokon yang disimpan pada ruang yang tidak dikondisikan.

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