An ultrasonic-ionic liquid process for the efficient acid catalyzed hydrolysis of feather keratin

Song Ding; Yang Sun; Hongyue Chen; Chao Xu; Yi Hu

doi:10.1016/j.cjche.2018.05.008

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An ultrasonic-ionic liquid process for the efficient acid catalyzed hydrolysis of feather keratin

Energy, Resources and Environmental Technology | Updated：2026-01-06

- An ultrasonic-ionic liquid process for the efficient acid catalyzed hydrolysis of feather keratin
- An ultrasonic-ionic liquid process for the efficient acid catalyzed hydrolysis of feather keratin
- 中国化学工程学报（英文版） 2019年27卷第3期页码：660-667
- Affiliations：
  
  1. 2 School of Biotechnology and Pharmaceutical Engineering of Nanjing Tech University,Nanjing,China,211816
  2. 3 School of Pharmaceutical Sciences, State Key Laboratory of Material-Oriented Chemical Engineering, Nanjing Tech University,Nanjing,China,211816
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.05.008
  中图分类号：
- 纸质出版：2019
- Accepted：
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Song Ding, Yang Sun, Hongyue Chen, 等. An ultrasonic-ionic liquid process for the efficient acid catalyzed hydrolysis of feather keratin[J]. 中国化学工程学报（英文版）, 2019,27(3):660-667.

Song Ding, Yang Sun, Hongyue Chen, Chao Xu, Yi Hu. An ultrasonic-ionic liquid process for the efficient acid catalyzed hydrolysis of feather keratin[J]. Chinese Journal of Chemical Engineering, 2019, 27(3): 660-667.
Song Ding, Yang Sun, Hongyue Chen, 等. An ultrasonic-ionic liquid process for the efficient acid catalyzed hydrolysis of feather keratin[J]. 中国化学工程学报（英文版）, 2019,27(3):660-667. DOI： 10.1016/j.cjche.2018.05.008.

Song Ding, Yang Sun, Hongyue Chen, Chao Xu, Yi Hu. An ultrasonic-ionic liquid process for the efficient acid catalyzed hydrolysis of feather keratin[J]. Chinese Journal of Chemical Engineering, 2019, 27(3): 660-667. DOI： 10.1016/j.cjche.2018.05.008.

摘要

Abstract

A novel efficient method for hydrolyzing feather keratin using an ultrasonic-ionic liquid coupling process has been developed

with reaction conditions optimized using response surface analysis of data obtained from single factor optimization studies. Ultrasonic irradiation (225 W power) of feathers in 8.4 mol·L

-1

hydrochloric acid containing 1-butyl-3-methylimidazolium chloride as a cosolvent at 80℃ for 1.4 h

followed by heating at 110℃ for 8.3 h

resulted in hydrolysis of their keratin component in an excellent 83.1% yield. Compared with previous methods

this new method employs reduced amounts of hydrochloric acid

shorter reaction time

and affords amino acid hydrolysis products in higher yield.

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