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Extraction of Chitin from Crayfish Shells by Microwave-Assisted Deep Eutectic Solvent Treatment
ID：67 View Protection：PRIVATE Updated Time：2021-11-13 14:49:16 Hits：1348 Poster Presentation

Start Time：2021-11-20 18:10（Asia/Shanghai）

Duration：10min

Session：Po2 The 3rd International Symposium on Nanocellulosic Materials-poster2 (ROOM 2) » ps2Poster Session 2

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Abstract
Deep eutectic solvent (DES) is a homogeneous mixture formed by two or more compounds in a certain mole ratio, usually formed by the complexation of hydrogen bond receptor (HBA) and hydrogen bond donor (HBD) or metal salts.  DES has the advantages of low melting point, good biodegradability, biocompatibility, low toxicity and reusability, and hence has been widely used in biomass processing, pharmaceutical engineering and biotransformation as a “green solvent” in recent years.  In this study, DES consisting of choline chloride (ChCl) and lactic acid (La) was synthesized and applied to extract chitin from crayfish shells. The effects of molar ratio of ChCl to La, mass ratio of DES to crayfish shell, microwave reaction temperature and time on the yield and purity of chitin were studied. Compared with the traditional heating method together with using strong acids and bases to extract chitin, microwave-assisted DES to extract chitin will not harm the environment, and the reaction time of microwave heating is shorter, which is benefit for reducing energy consumption and saving cost.
 
Keywords
Deep eutectic solvent; Microwave heating; Chitin; Shrimp shells; Mechanism
Speaker
Ziyan Li
Nanjing Forestry University

Submission Author
Ziyan Li Nanjing Forestry University
Meichun Li Nanjing Forestry University
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Important Date

  • Conference Date

    Nov 20

    2021

    to

    Nov 21

    2021

  • Nov 16 2021

    Draft paper submission deadline

  • Nov 18 2021

    Contribution Submission Deadline

  • Nov 18 2021

    Registration deadline

Sponsored By
China Paper Industry Technical Association
Organized By
South China University of Technology
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