Effects of Temperature during Oil Heat Treatment on the Quality Improvement of Mindi (Melia azedarach) and Sengon (Falcataria moluccana) Woods

Authors

  • Shalehudin Denny Ma’ruf Graduate School of Environmental Sciences, Universitas Lampung
  • Samsul Bakri Graduate School of Environmental Sciences, Universitas Lampung
  • Indra Gumay Febryano Department of Forestry, Faculty of Agriculture, University of Lampung
  • Agus Setiawan Department of Forestry, Faculty of Agriculture, University of Lampung
  • Agus Haryanto Department of Agricultural Engineering, University of Lampung
  • Intan Fajar Suri Department of Forest Materials Engineering, College of Forest and Environmental Sciences, Kangwon National University
  • Wahyu Hidayat Department of Forestry, Faculty of Agriculture, University of Lampung http://orcid.org/0000-0002-6015-1623

DOI:

https://doi.org/10.23960/jtep-l.v12i1.255-267

Abstract

Fast growing wood has high potential in increasing numbers but has a low quality so that it requires modification to improve wood quality. Oil heat treatment (OHT) is one of a wood modification method using vegetable oil as a heat conducting medim. The objective of this study was to analyze the effect of temperature OHT on color change ("L*, "a*, "b*, and "E), physical properties (density, moisture content, water absorption, and weight changes), and the compressive strength of mindi (Melia adezarach) and sengon (Paraserianthes falcataria). OHT was conducted using 2 hours duration on temperature 180°C, 200°C, 220°C, and 240°C. The results showed that the effect of temperature on wood color inflicted an increase in the values of "L*, "a*,"b*, and "E on higher temperature of OHT. The effect of temperature on the physical properties of wood results in an increase on density at certain temperature and wood species as well as decreasing moisture content, water absorption, and weight changes of wood on higher temperature of OHT. The effect of temperature on mechanical properties of wood results in increasing compressive strength at certain temperatures and types of wood, but there is decrease compressive strength in the higher temperature of OHT.

Keywords:   Color change, oil hot treatment, mechanical properties, physical properties

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Published

2023-03-26

Issue

Vol. 12 No. 1 (2023): March 2023

Section

Articles

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