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Jurnal Penelitian Hasil Hutan
Published by Pusat Penelitian dan Pengembangan Hasil Hutan
ISSN : 02164329     EISSN : 24428957     DOI : 10.20886/jphh
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Materials Science & Nanotechnology
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
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 13 Documents
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Search results for , issue "Vol 5, No 5 (1988): Jurnal Penelitian Hasil Hutan" : 13 Documents clear
PENGAWETAN LIMA JENIS KAYU MENURUT METODE RENDAMAN PANAS-DINGIN Barly Barly; Pipin Permadi
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (1988): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3543.654 KB) | DOI: 10.20886/jphh.1988.5.5.265-268

Abstract

The  degree  of  protection  offerd   by a wood  preservative  depends  upon  the  quality  of preservative retained by the timber, the depth penetration, and  the permanence of  preservative   in  the wood.On  the hot and  cold  bath process,  the  timber is immersed in cold preservative  and  the  bath and timber are heated up together to around 70°C for one, two, three hours until  the timber  is hot  throught,  and  the whole  then allowed to cool down for 24  hours.For  all  timber species tested   in  this  experiment   the  depth   of  penetration  and  retention    of  preservative  was measured  after  treatment.  The  result  of  which  can be seen in Table 1.  After  calculated  and analysis (Table 2 and Table  3) the following conclusions  could  be draw :Timber species  has highly  significant  on  boron penetration  and retention.  Boron penetration   a seemed  to  be generally getting  deeper  with  increased   hot  soaking  hours; but one hour  is fully.Generally  speaking, hot  and cold  bath process  are  to  be preferred  although   with  mahoni  (Swietenia  mahogani  Jack:) and  tanjung  (Mimmusops  elengi   L.)  timbers  the preservative   retention less than  the  other  timbers. 
PENGARUH PENYARADAN TERHADAP KERUSAKAN TEGAKAN TINGGAL PADA BERBAGAI TINGKAT KELERENGAN Dulsalam, Dulsalam; Sukanda, Sukanda
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (1988): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (7542.668 KB) | DOI: 10.20886/jphh.1988.5.5.307-310

Abstract

An investigation  or  the  effect  of  skidding   to  residual  stand  damage  on  several  slope  degrees  has  been  done  at PT Sumpol Timber  in South  Kalimantan in 1987.  The purpose  of  this investigation  is to seek  information   on the residual stand  damage  caused  by  skidding   on  several slope  degrees.  The  investigation   took  place  in three  different  slope  degrees: i.e.:  0  -  20  %, 20 - 40  %, and > 40%.  Sample  plots  were selected with  completely randomized   design.Results  of  this investigation  are concluded  as follows   :Skidding has caused part  of  the  residual stand  to damage.The  residual  stand  damage  caused  by  skidding   ranges from 10  Trees/ha to 70 trees/ha  (from 6 % to 29  %)  with an average of 30  trees/ha  (15%) with  standard  error of  3,60   trees/ha. The  residual stand  damage caused   by skidding  on  :             a. 0 - 20 % slope  ranges from 10  trees/ha  to 50  trees/ha (6 – 18%) with an average of 23,3  trees/ha  (11 %).             b. 20 - 40  % slope  ranges  from  10  trees/ha  to  70 trees/ha  with  an average of  30  trees/ha  (15 %).              c.Greater  than 40  %  slope  ranges from  20  trees/ha  to  70 trees/ha   (from 10 % to 29 %) with an average of 38 trees/ha (19 %).The  result  of  Least  Significant   Difference   (LSD) test  on  the  data  revealed  that  the residual stand  damage  between 0 - 20% and > 40%  slope  differs  significantly at 95% level.    The higher the slope degree the greater the residual stand damage took  place.It  is therefore  sugessted  that  skidding  on 40  % slope  degree  or more  be done  with  great  care in order  to decrease  the residual stand  damage
PENGARUH KONDISI LINGKUNGAN TERHADAP SERANGAN PENGGEREK KAYU DI LAUT Mohammad Muslich; Ginuk Sumarni
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (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.1988.5.5.294-297

Abstract

One hundred  and  twenty   five pieces  of  wood  from  five  species had been exposed  to Marine Borers in five different locations.  The test sites chosen  were around  Gulf of Jakarta,  i.e.  about  3 km  off  shore in Mauk, Mauk estuary,  Tanjung Pasir shore,  Rambut  Island  and Puntung  Java Island.The  result shows  that  at  the sea site  where the salinity  is relatively stable around  29‰  -   30‰  and at the Rambut  and Puntung Java Islands  30‰  -   34‰, all of  the  wood  tested  are badly  attacked by Marine Borers.  The result also shows  that  at  the  Mauk  estuary  and  Tanjung  Pasir shore  where  the salinity  5°/oo  -  30°/oo, damage  is only  small
ANALISIS KIMIA SEPULUH JENIS BAMBU DARI JAWA TIMUR Gusmailina Gusmailina; Suwardi Sumadiwangsa
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (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.1988.5.5.290-293

Abstract

 Chemical analyses  of ten bamboo   species   from   East  Java  has  been  conducted.   The  analyses  comprised   of  the determination  of  cellulose,  lignin,  pentosan,  ash,  extractives  and  the solubility   in one percent  of sodium  hydroxide.  These analyses  were  commonly conducted    to  determine basic  characteristics and  ultimate uses  of  wood.The  analyses showed  that the  cellulose  content ranges from  42.4  - 53.6 percent, lignin from  19.8  - 26.6 percent, and  pentosan 17.5  - 21.5  percent.   The ash  and  silica  content   varies from  1.24 - 3.77 percent and  from  0.10  - 1.78 percent, respectively: The  solubility  in cold water ranges from  4.5 -  9.9 percent,  in hot  water from  5.3  - 11.8 percent,   in alcohol  benzene ( 1 :2)  from  0.9 - 6.9  percent, and  in one percent   sodium  hydroxide   solution  from  22.2  -  29.8 percent.Based  on  chemical  analyses, especially the  cellulose  content, the  bamboos  from  East  Java appeared  to  be a good material  for pulp  and paper  industry.
DAYA HIDUP DAN INTENSITAS SERANGAN BUBUK KAYU KERING HETEROBOSTRYCHUS AEQUALIS WAT PADA KAYU PULAI (ALSTONIA SCHOLARIS R.Br) Ginuk Sumarni; Jasni Jasni
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (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.1988.5.5.287-289

Abstract

 In  Indonesia  Heterobostrychus  aequalis  Wat is  a large size powder  post  beetle.  This species very commonly attacks highly  stachy  wood,  the  main  reason  why   they  are  used  in  this  experiment.In  this research pulai wood  (Alstonia  scholaris R.Br)  has been used for sample,  dried at temperature levels for 40°C, 60oC, 90oC, 100oC, 120oC, 150oC, 200oC and ambien air temperature.  On each side  of  wood  samples  ten  holes  were made  with  dimension  of 1,5 cm x 5 cm x 7 cm. Into  the hole larvaes of 1,5  month  old were placed.  The observations  were made  after  six  week  period.The result showed  that wood  dried on temperature  40°C could  reduce  the starch of about  9,08% so that  intensity of insect's  attack  were lower (score 44,2). High starch  content   was found  in the  wood  dried  at  temperature 200°C, that is 17,94%. In  this  sample  the  intensity   of  the  attack was higher,  that  scale  at  scoring.
PEMBUATAN GULA DAN ALKOHOL DARI BEBERAPA JENIS KAYU Gusmailina Gusmailina; Hartoyo Hartoyo
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (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.1988.5.5.259-261

Abstract

This  article  describes   the  experiment  of  sugar and  alcohol  contents from 3  wood  species,  i.e. jelutung (Dyera costulata, Hook. F), keruing (Dipterocarpus  appendiculatus, Sheff) and  durian  (Durio excelsus, Bakb) by using hydrolysis and  fermentation process. Treatment condition for  hydrolysis  were at 3 levels of sulfuric acid concentration which were 1%, 2%, and 3%  respectively. The fermentation methods agent for producing alcohol  from  sugar of wood  hydrolysis  was the yeast  of  bread containing  Saccharomyces cereviceae.The  result  of this experiment indicated  that  the yield  of sugar ranges from  9.71 % -   11.89% with average of 1,06%. This average yield  of  sugar falls in  the  range of  the  sugar yield  obtained from other researches which have  range from 11-18%.                                                                                                                                                                                                    The  average alcohol  yield  obtained  from  sugar fermentation  was 2.62%. This yield  was lower compared  with other experiment   producing   alcohol  from  wood  abroad, i.e. 8 -   15%. The  result  showed  that  the yield  of sugar is not affected by  the  wood  species  and  low  concentration  of  sulfuric acid  treatment.
PENGAWETAN KAYU AGATHIS, BUNGUR, KARET, DAN TUSAM DENGAN METODE PENCELUPAN Barly Barly; Pipin Permadi
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (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.1988.5.5.303-306

Abstract

This paper  deals with  a study  on a momentary  dipping  of freshly  sawn wood  for short periods  in a solution  of  33% boric  acid equivalent (BAE)  and  33% BFCA  preservative  at ambient   temperature,   followed by  one,  two,  three  and  four weeks  of  diffusion storage.  Boron  penetration were  then  calculated  and analyzed.  Results  of the study  reveal that  timber species  and  preservatives   do  not  any  significant   effect,   but  diffusion periods   show  highly  significant   effect to  boron penetration.   Boron  penetration   seemed  is normally   with  the  increas in diffusion storage period. Diffusion  storage of four weeks  for  all timber   tested  in  this  experiment  shows  relatively  good  results, so that  diffusion storage periods  for  four weeks  may  be recommended.
KONDISI RUANGAN KERJA PADA TIGA PABRIK KAYU LAPIS DI SUMATRA SELATAN Maman Mansyur Idris; Sona Suhartana
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (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.1988.5.5.269-274

Abstract

 An investigation   on   working   conditions   of  three  plywood  factories  in  South   Sumatra   was conducted in 1987; The  objective is to find  out  the  workers judgement   about   their  working  conditions in  terms  of  conveniences.The   total  of  265   respondents   from  plywood  factories employed  in  the  processing  steps  of  wood  preparation, peeling,  reeling, unreeling, veneer  drying, veneer  preparation,   gluing,  pressing, finishing, quality  control, packaging, workshops and laboratories were interviewed.The  results showed that  in  each processing  step, more  than  60%  respondents  felt their  working space conditions were  far  from being convenient   due  to  inappropriate   air circulation, dust, bad  smell noise, and  vibration. 
PENGARUH POLA PENGGERGAJIAN TERHADAP RENDEMEN DAN WAKTU MENGGERGAJI KAYU MERANTI (SHOREA SPP.) *) Osly Rachman; Sadan Widarmana; Surjono Surjokusumo
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (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.1988.5.5.249-258

Abstract

The  effects  of sawing pattern on recovery  and sawing   time   was studied  using  72 logs of meranti  (Shorea spp.).  The logs were divided  into  4 grades  i.e., Prime, First,  Second  and Local, each group consisting of 18 logs.  Each group  was sawn with  3  different  sawing  patterns,    namely semi  quarter, round  and  live  sawing. In  the sawing pattern study the  effect of logs  diameter, brittle heart, and sapwood  on recovery were  also observed.The  results  indicated  that  semi  quarter,  round,  and  live sawing patterns  generated  a  recovery  as much  as 46,37  %, 43,48  % and  37,61 %,  respectively. The  recovery  of Prime  grade  logs was 46,92 % which  was  not  significantly  different from  that of the First grade logs.  The  Second  grade logs produced  a recovery  of 37.12 % and was not significantly different from  that  obtained  from Lokal grade  logs. The sawing rate  was highest  when  live sawing  pattern  was applied, i.e.,  0.92  m3/ hour.
STRUKTUR ANATOMI DAN IDENTIFIKASI DELAPAN JENIS KAYU PERDAGANGAN DARI KEBUN PERCOBAAN DI JAWA BARAT Sri Rulliaty M
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (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.1988.5.5.298-302

Abstract

Eight  wood  species from  forest  experimental   garden in West Java were observed  for identification purposes.  All  wood species  could  be  identified one  from  the  others,  due  to  their  distinguished   conspicuous   characters. Kecapi  (Sandoricum kucape   Merr.)  on  the  other  hand,   showed   characters  that  matched   only   the  previous   description   of  the  genus.  Such characters,  were apparently not  sufficed to describe  the species. 

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