Sorption behaviour of three African tropical woods (Sapelli, Sipo, Kosipo) with similar anatomical structures from Cameroon

IF 1.3 Q2 MATERIALS SCIENCE, PAPER & WOOD
Dominique Martial Manga Bengono, Tamba Jean Gaston, Zobo Mfomo Joseph, F. Evariste, F. Armand, Banyuy Godwin Fonyuy, Biwolé Achille Bernard
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引用次数: 3

Abstract

ABSTRACT This study aims to determine the sorption isotherms of three tropical woods from Cameroon to understand the conditions for their use and drying. The equilibrium moisture contents were experimentally determined using saturated salt solutions. Some anatomical parameters were also measured to assess the influence of the structure of these woods on their sorption behaviour. Among the sorption models tested, the Guggenheim-Anderson-de Boer model is the one that best fits the experimental points. Our results also reveal a strong correlation between EMCs and the size and number of anatomical parameters. Indeed, up to 40°C, Sipo which has the lowest wood density and larger vessel sizes and rays, contains more water at equilibrium that the two other woods. When temperatures increase above 50°C, Sapelli becomes more hygroscopic due to the expansion of its lumen cells. These findings highlight the need for specific data on the sorption behaviour of Central African woods, to efficiently manage their drying and use.
喀麦隆三种解剖结构相似的非洲热带木材(Sapelli、Sipo、Kosipo)的吸附行为
摘要本研究旨在测定喀麦隆三种热带木材的吸附等温线,以了解它们的使用和干燥条件。使用饱和盐溶液通过实验测定平衡含水量。还测量了一些解剖参数,以评估这些木材的结构对其吸附行为的影响。在测试的吸附模型中,古根海姆-安德森·德波尔模型是最符合实验点的模型。我们的研究结果还揭示了EMCs与解剖参数的大小和数量之间的强相关性。事实上,在高达40°C的温度下,Sipo的木材密度最低,容器尺寸和光线较大,在平衡状态下比其他两种木材含有更多的水。当温度升高到50°C以上时,由于其管腔细胞的膨胀,Sapelli变得更吸湿。这些发现强调了需要关于中非木材吸附行为的具体数据,以有效管理其干燥和使用。
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来源期刊
International Wood Products Journal
International Wood Products Journal MATERIALS SCIENCE, PAPER & WOOD-
CiteScore
2.40
自引率
0.00%
发文量
27
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