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An ultrasonic-ionic liquid process for the efficient acid catalyzed hydrolysis of feather keratin 被引量:1

An ultrasonic-ionic liquid process for the efficient acid catalyzed hydrolysis of feather keratin
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摘要 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 °C for 1.4 h, followed by heating at 110 °C 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. 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 °C for 1.4 h, followed by heating at 110 °C 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.
出处 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2019年第3期660-667,共8页 中国化学工程学报(英文版)
基金 Supported by the National Natural Science Foundation of China(21676143) the Jiangsu Synergetic Innovation Center for Advanced Bio-Manufacture,Self-Owned Research Project from Key Laboratory of Material-Oriented Chemical Engineering(ZK201603) Qing Lan Project of Jiang Su Province
关键词 Ionic liquid ULTRASONIC KERATIN HYDROLYSIS AMINO ACID Ionic liquid Ultrasonic Keratin Hydrolysis Amino acid
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