Evaluation of Effect of Steam Pretreatment on Water and Liquor Absorption of Wood Particles

Document Type : Research Paper

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Abstract

This research was investigation of steaming pretreatment on water and liquor absorbtion by wood particles. In this study, wood particles steamed at two different temperature (110oC- 140oC), and then were saturated in water and liquor at two different temperature (25oC, 100oC). Liquor was supplied with two different consistencies. That is, sodium hydroxide %9, sodium sulfite %6 and sodum hydroxide %18, sodium sulfite %12. Result of this research has shown that maximum absorbed water was %95.5. It was treated with steam of 140oC for one hour, and minimum absorbed water was %68.9. It was treated with steam of 110oC for half an hour.
So, maximum of absorbed liquor was %108.64. It was treated with steam of 140oC for one hour. And least of absorbed liquor was %99.88. It was treated with steam of 110oC for half hour. Moreover, maximum of water and liquor absorption for control samples were %94.98 and %107 respectively. However, they were less than treated samples.

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Iranian Journal of Wood and Paper Industries
Volume 2, Issue 2 - Serial Number 2
January 2012
Pages 111-120

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