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All Journal Jurnal Ilmu dan Teknologi Kayu Tropis Jurnal Penelitian Hasil Hutan
Lucky Risanto
R&D Unit for Biomaterials, Indonesian Institute of Sciences, Cibinong, Bogor 16911, Indonesia
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Materials Science & Nanotechnology

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Fiber and Chemical Characteristics of Branchwoods of Three Meranti Species Danang S Adi; Lucky Risanto; Ika Wahyuni; Sukma S Kusumah; Wahyu Dwianto; Taka Hayashi
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 9, No 2 (2011): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (325.964 KB) | DOI: 10.51850/jitkt.v9i2.137

Abstract

The fiber and chemical characteristics of branchwoods of three meranti species namely meranti sangkan, meranti bakau, and meranti bunga kulit hitam from Bukit Batu Peat Swamp Forest, Riau were observed. The aim of this research was to discover the potential utilization of these three meranti species based on their characteristic. The result showed that holocellulose contents of meranti sangkan, meranti bakau, and meranti bunga kulit hitam were 72.97%, 75.28%, and 69.88%, whereas the α-cellulose contents were 43.55%, 51.14%, and 43.25%, respectively. meranti sangkan had the highest lignin content (35.99%) followed by meranti bakau (34.21%) and meranti bunga kulit hitam (32.18%). meranti Bunga kulit Hitam had the highest extractive content (2.24%) followed by meranti sangkan (1.66%) and meranti bakau (1.08). Furthermore, the fiber length of meranti bunga kulit hitam, meranti sangkan, and meranti and meranti Hitam were 1475.45 μm, 1475.45 μm, 1442.62 μm, and 1205.23 μm, respectively. The values of fiber derivative of the three meranti species were slightly differ from class I, except for felting power that was classified in class III. The result also showed that the branchwoods of the three meranti species are suitable for pulp and paper raw material.Key words: fiber and chemical properties, meranti bakau, meranti sangkan, meranti bunga kulit hitam, peat swamp forest
Microwave Treatment on Two Fast Growing Trees Species for Bioethanol Production Lucky Risanto; Euis Hermiati; Danang S Adi
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 10, No 1 (2012): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (398.776 KB) | DOI: 10.51850/jitkt.v10i1.128

Abstract

The objectives of this research were to analyze chemical component and to evaluate the effect of micro wave treatment on the bioethanol production of “balik angin daun kecil” and “balik angin daun sedang” woods. Woods were milled to the size of 40-60 mesh and followed by measuring their chemical component. Glycerol and 0.5% sulphuric acid were added to the woods with the ratio of 10:1 and 20:1, respectively and then irradiated to the micro waves for 2.5-10 min. with power 50 and 70%. The pulp was hydrolyzed with cellulose for 48 H and reducing sugar yield was obtained. The results indicated that hollocellulose and alpha cellulose of “balik angin daun kecil” wood was higher than that of “balik angin daun sedang” wood. Conversely, lignin content of “balik angin daun kecil” wood was lower than that of “balik angin daun sedang” wood. The highest reducing sugar yield of balik angin daun kecil and balik angin daun sedang woods were 21.00% and 22.40%, respectively and they were obtained on irradiated to microwaves for 5 min at 70% power.Key words: balik angin, bioethanol, chemical component, enzymatic hydrolysis, microwave
SAKARIFIKASI SERAT TANDAN KOSONG DAN PELEPAH KELAPA SAWIT SETELAH PRETREATMENT MENGGUNAKAN KULTUR CAMPURAN JAMUR PELAPUK PUTIH Phanerochaete chrysosporium dan Trametes versicolor Euis Hermiati; Lucky Risanto; Sita Heris Anita; Yosi Aristiawan; Yanni Sudiyani; Ahmad Hanafi; Haznan Abimanyu
Jurnal Penelitian Hasil Hutan Vol. 32 No. 2 (2014): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2014.32.2.111-122

Abstract

There are only a few studies conducted on the use of co-culture of white-rot fungi for pretreatment of lignocellulosic biomass. The aim of this research is to study the effects of biological pretreatment of oil palm empty fruit bunch (OPEFB) and oil palm frond (OPF) fiber using co-culture of two white-rot fungi, namely Phanerochaete chrysosporium and Trametes versicolor, on the results of the enzymatic saccharification of such biomass. The representative samples of OPEFB and OPF fibers (40-60 mesh in sizes) after being sterilized, each as much as 5% (w/v), were inoculated with the co-cultures of the two fungi and incubated at ±27°C for 4 weeks. The samples were taken partially and then examined after 1, 2, 3, and 4 weeks of incubation. Saccharification process using cellulase and β-glucosidase was performed in a water bath shaker at 50°C for 48 hours. Reducing sugar, glucose and xylose content were analyzed. The highest reducing sugar yield, glucose and xylose concentrations from the saccharification on OPEFB, as much as consecutively 13.08%, 0.86 mg/g and 0.13 mg/g, were obtained after pretreatment for 4 weeks; while likewise those for OPF corresponding to 8.98%, 0.92 mg/g and 0.23 mg/g, respectively, were obtained after 2-week pretreatment.
Co-Authors Ahmad Hanafi Danang S Adi Euis Hermiati Haznan Abimanyu Ika WAHYUNI Sita Heris Anita Sukma S Kusumah Taka Hayashi Wahyu DWIANTO Yanni Sudiyani Yosi ARISTIAWAN