Article Per Year (5 Year)
p-Index From 2020 - 2025
0
P-Index
This Author published in this journals
All Journal Jurnal Ilmu dan Teknologi Kayu Tropis Jurnal Penelitian Hasil Hutan
J.P. Gentur Sutapa
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Materials Science & Nanotechnology

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
Mutu Arang Aktif dari Limbah Kayu Mahoni (Swietenia macrophylla King) sebagai Bahan Penjernih Air Quality of Activated Charcoal from Mahogany (Swietenia macrophylla King.) Wood Wastes for Water Purification Substance Rini Pujiarti; J.P. Gentur Sutapa
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 3, No 2 (2005): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (190.294 KB) | DOI: 10.51850/jitkt.v3i2.295

Abstract

Indonesian active charcoal demands are relatively high, due to the increase of active charcoal usage in industrial sector. To supply active charcoal demand in industrial sector, sufficient amount of basic materials are needed. One of the alternatives is Mahogany wood waste. The aims of this research are (1) to use wood waste of Mahogany (Swietenia macrophylla King.) as a raw material for active charcoal, (2) to identify active charcoal characteristics that are formed, (3) to obtain type and concentration of chemical substance that is suitable for active charcoal forming process, (4) to provide better characteristics, and (5) to apply in the best active charcoal on well-water purification to bind kation in order to increase water quality.Activation was conducted chemically and the types of chemical substance for activation were Na2CO3 and NaOH with concentration of 1%; 1.5%; 2%; 2.5% and 3%. The observed parameters were sucrose contents, moisture contents, volatile matter contents, ash contents, carbon contents, adsorptive capacity of benzene, and adsorptive capacity of iodium and adsorptive capacity of methyline blue.The result and analysis showed that wood waste of Mahogany can be used as a raw material of active charcoal forming process; and Na2CO3 and NaOH can be used as activators. The best active charcoal (with activator Na2CO3 1.5 %) quality was having 64.41% sucrose content, 8.24% moisture content, 3.2% ash content, 19.4% volatile matter content, 77.4% carbon content, 14.48% adsorptive capacity of benzene, 1230.93 mg/g adsorptive capacity of iodium and 130.93 mg/g adsorptive capacity of methyline blue. Well-water quality after the best active charcoal had been added showed decreasing of cation element such as iron (Fe), zinc (Zn) and mangan (Mn
PENGARUH PENAMBAHAN SERAT KAYU PINUS DAN BAMBU PETUNG TERHADAP KUALITAS PAPAN SERAT KERAPATAN SEDANG KAYU MAHANG DENGAN PEREKAT ASAM MALAT Agus Wahyudi; T.A. Prayitno; Ragil Widyorini; J.P. Gentur Sutapa
Jurnal Penelitian Hasil Hutan Vol. 37 No. 2 (2019): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2019.37.2.81-92

Abstract

Properties and quality of fibreboard products are much influenced by quality of the fiber materials, pressing process, and the amount and type of the used adhesive. The use of malic acid adhesives in the manufacture of medium density fibreboards (MDF) from mahang wood has low mechanical properties, especially modulus of static value. This paper studies on the effect of adding long fibers of pine wood and petung bamboo to improve the properties of MDF mahang wood with malic acid adhesives. The compositions ratio of mahang wood, pine wood, and petung bamboo fiber are 100/0/0, 90/10/0, 80/20/0, 90/0/10, 80/0/20, and 80/10/0, malic acid content of 25 wt % based on dry weight fibers and hot pressing at 180ºC for 10 minutes. Physical and mechanical tests were accomplished according to JIS 5905-2003 testing standard. Result shows the addition of long fibers of pine wood and petung bamboo increased the mechanical value of MDF from mahang wood. The best mixture of fiber is 90% mahang wood fiber and 10% petung bamboo, with value internal bonding 0.7 MPa, modulus of rupture 9.11 Mpa, and modulus of elasticity 2.5 GPa.
Co-Authors Agus Wahyudi Ragil Widyorini Rini Pujiarti T.A. Prayitno