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A Facile Degumming Method of Kenaf Fibers Using Deep Eutectic Solution

Journal Article · · Journal of natural fibers
 [1];  [1];  [2];  [3];  [1];  [2];  [4];  [2];  [1]
  1. Qingdao Univ. (China). State Key Lab. of Bio-Fibers and Eco-Textiles and College of Textile & Clothing
  2. Qingdao Univ. (China). State Key Lab. of Bio-Fibers and Eco-Textiles
  3. Beijing Zhonghuan Geyi Technology Consulting Co., Ltd. (China)
  4. Qingdao Univ. (China). State Key Lab. of Bio-Fibers and Eco-Textiles; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Forestry, Wildlife, and Fisheries and Dept. of Chemical and Biomolecular Engineering; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

An eco-friendly and effective degumming method needed to be developed for producing kenaf bast fibers. As such, this study devised a novel deep eutectic solvent (DES) method coupled with microwave and alkaline-ultrasonic treatment. The novel method could effectively remove the gummy matters, providing a smooth and clean fiber surface. The properties of the fibers were assessed including chemical compositions, surface structure, crystallinity index (66.68%) and thermal properties. The residual gum content (9.419%), fiber fineness (4.125tex), breaking tenacity (13.650 cn/tex) of the refined dry fibers produced by the novel treatment were comparable with the fibers produced by the traditional two-step alkali boiling method. Besides, the novel method could reduce the usage of chemical, water and time by 48.9%, by 66.7% and 66.8%, respectively. These results revealed that the novel combined DES pretreatment is a practical and feasible pretreatment method for kenaf bast degumming, demonstrating its facile, green energy-saving and fast properties in the degumming process.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE; National Natural Science Foundation of China (NSFC); Natural Science Foundation of Shandong Province
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1651276
Journal Information:
Journal of natural fibers, Journal Name: Journal of natural fibers Journal Issue: 3 Vol. 19; ISSN 1544-0478
Publisher:
Taylor & FrancisCopyright Statement
Country of Publication:
United States
Language:
English

References (21)

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Alkaline deep eutectic solvent: a novel green solvent for lignocellulose pulping journal March 2019
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Preparation of cashew gum-based flocculants by microwave- and ultrasound-assisted methods journal February 2018
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Alfa fibers as viable sustainable source for cellulose nanocrystals extraction: Application for improving the tensile properties of biopolymer nanocomposite films journal February 2018
A green degumming process of ramie journal September 2018
Rapid and energy-saving preparation of ramie fiber in TEMPO-mediated selective oxidation system journal December 2018
Assessment of natural cellulosic fibers derived from Senna auriculata for making light weight industrial biocomposites journal November 2019
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Kenaf (Hibiscus cannabinus L.) fibre based bio-materials: A review on processing and properties journal June 2016
Monitoring Chemical Changes on the Surface of Kenaf Fiber during Degumming Process Using Infrared Microspectroscopy journal April 2017
Short-time deep eutectic solvent pretreatment for enhanced enzymatic saccharification and lignin valorization journal January 2019
Comparison of the performance of kenaf fiber using different reagents presoak combined with steam explosion treatment journal February 2017
Hibiscus sabdariffa (Roselle): A potential source of bast fiber journal November 2017
An alkali-free method to manufacture ramie fiber journal November 2018
Deep Eutectic Solvents: Green Solvents for Separation Applications journal January 2018

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