Main pathways and underlying mechanisms for efficient extraction of chitin from crustacean waste

ZHANG Zhenya; ZUO Hui; JI Fuguo; ZHU Zile; LUO Jingyang

doi:10.13205/j.hjgc.202508013

Volume 43 Issue 8

Aug. 2025

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2025 > 43(8): 148-157

ZHANG Zhenya, ZUO Hui, JI Fuguo, ZHU Zile, LUO Jingyang. Main pathways and underlying mechanisms for efficient extraction of chitin from crustacean waste[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(8): 148-157. doi: 10.13205/j.hjgc.202508013

Citation:

ZHANG Zhenya, ZUO Hui, JI Fuguo, ZHU Zile, LUO Jingyang. Main pathways and underlying mechanisms for efficient extraction of chitin from crustacean waste[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(8): 148-157. doi: 10.13205/j.hjgc.202508013

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Main pathways and underlying mechanisms for efficient extraction of chitin from crustacean waste

doi: 10.13205/j.hjgc.202508013

ZHANG Zhenya^1,2,
ZUO Hui^1,2,
JI Fuguo^1,2,
ZHU Zile^1,2,
LUO Jingyang^{1,2
,
,}

1. Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes of the Ministry of Education, Hohai University, Nanjing 210098, China;
2. College of Environment, Hohai University, Nanjing 210098, China

Received Date: 2025-03-13
Accepted Date: 2025-05-21
Rev Recd Date: 2025-04-11

Abstract

Abstract

Improper disposal of crustacean aquatic by-products can easily result in environmental pollution， and the resource utilization can be achieved by extracting chitin， a natural polysaccharide abundant in crustaceans. The main pathways for recovering and extracting chitin from crustacean waste （e.g.， acid-base method， biological method， ionic liquid method， deep eutectic solvent method， and auxiliary technologies such as microwave and ultrasound） and key processes （e.g.， chemical or biological removal of impurities such as minerals and proteins， as well as the dissolution and regeneration of chitin） are reviewed. The effects of key parameters on extraction efficiency （e.g.， purity， demineralization， and deproteinization rates） and chitin characteristics （e.g.， acetylation degree and molecular weight） are analyzed across different methods. Both the advantages and limitations of each method are elaborated in terms of extraction efficacy and environmental friendliness. Finally， the prospects for process optimization and high-value conversion of chitin are discussed， aiming to provide guidance for the resource utilization of crustacean waste.
- crustacean waste,
- chitin extraction,
- waste resource utilization,
- underlying mechanism

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References(53)

References

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