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Danang S Adi
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Agriculture, Biological Sciences & Forestry

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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
Co-Authors Euis Hermiati Ika WAHYUNI Lucky Risanto Sukma S Kusumah Taka Hayashi Wahyu DWIANTO