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Jurnal Penelitian Hasil Hutan
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Search results for , issue " Vol 8, No 6 (1991): Jurnal Penelitian Hasil Hutan" : 2 Documents clear
PENGARUH PELARUT ORGANIK DAN WAKTU PERKOLASI TERHADAP SIFAT OLEORESIN KULIT KAYU MANIS Wiyono, Bambang
Jurnal Penelitian Hasil Hutan Vol 8, No 6 (1991): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1680.802 KB) | DOI: 10.20886/jphh.1991.8.6.219-222

Abstract

Tflis paper is to 1tudy the effect of organicsolvents and percolation time on oleoresinproperties of COllBia veru bark. The organic solvents used during the percolation process to extract the oleoreain consist of ethanol and acetone. Each extraction required percolation time,  consecutively 2, 3, and 4 houffl. The temperature of each procea  was milintained at 40° C.  The experiment  was conducted u1ing the factorial design, and the trend effect.  of percolation time  was 011Bea­ sed by  using polynomial orthogonal analysis.The •  results indicated that  the  eaential  oil and cinnamaldehyde contents  extracted  with  ethano,l aolvent were both significantly higher than those using acetone solvent. The polynomial orthogonal analysis revealed that the incieasing percolation time was linearly correlated with an increase in oleoresin yield and tiie essential oil contents. As for the ethanol the increaaein percolation time tent to decrease the cinnamaldehyde only. After  the percolation proceBB, only the ethanol after solvent could be recovered by the redistillation proeese;  •
PRODUCIION OF ELECTRICITY AND HUMOTEX FROM OIL PALM SOLID WASTES THROUGH DRANCO PROCESS Sudradjat, R
Jurnal Penelitian Hasil Hutan Vol 8, No 6 (1991): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2533.659 KB) | DOI: 10.20886/jphh.1991.8.6.236-242

Abstract

Dranco prosa  (Dry Anaerobic Convenion) adalah proses fermentaai anaerobic yang dapat mengubah bahan organik menjadi biogu (I,_,.,,,) dan humotex  (ke>mpo1 anaerobik). hnelitian  lni  mempelajari aspek teknia dan ekonomis peman­ faatan  limbah.  perkeburian  kelapa •wit    berujJa  tandan.: don kulit   buah mdggunakan  model perkebunan sawit seluas 2000 Ha.                                               .                                                                                                                                                                                                      Dari areal  tenebut  akan dihailkan 88 ton tanda,i basah dan •14  ton kulit  buah biuah perhari  atau 62  ton substrat pada  28% KK  (kadar kerirw).  Melalui proau  Dranco, aubmat  tersebut aian  diubah  menjadi biogas dengan kapasitas 2700 m8 CH4 (methane) atau .7881 kwh tenaga u.trik  dengan netto sebnar   6881 kwh perhari. Humotex yang dihalilkan adalah 8 ton pada  90% KK.                                                                                                                                          Analim   ellonona  menunjukllan Net Pre.,.t   Worth  Rp. •1184  Juta, BIC raio   1,83,  Internal Rate of Return 41,2%. BEP untuk produbltentl/lfl lidri1t terieta1t pada  888 kwh dan humotu 104 ton perhari. Proyelt ini aeeara• telrnis dan eko­ nomil  beralamn untull  dlkembanllran

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