Study of Reed Leaf Fibers’ Degumming in High Temperature and Pressure

Abstract:

In order to make the reed leaf fiber soft, increase its separating degree and remove impurities, the method of pretreatment in removing impurity was studied. The orthogonal method was used to optimize the treatment condition and the optimal conditions were obtained at a concentration of sodium hydroxide of 18g/L, treating temperature of 100°C and holding time of 90min. It also revealed that temperature holding time had the greatest influence on the degumming effect of the fibers. Under these conditions, the content of pectin and hemicellulose could reach about 2.6% and the content of cellulose could come up to 92.8%. Furthermore, the binary quadratic orthogonal regressive experiment was used to optimize the degumming process. The longitudinal directions of the fibers were examined by SEM before and after the processing.

• Periodical: Advanced Materials Research (Volumes 652-654)
• Pages: 1566-1570
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.652-654.1566
• Online since: January 2013
• Authors: Hou Jie Zhao, Chun Yan Wei, Yong Zhu Cui, Li Hua Lv, Xiao Wang
• Keywords: High Temperature and Pressure Degumming, Process Conditions, Range Analysis, Reed Leaf Fibers, Regression Analysis

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