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Title: Chitin extracted from various biomass sources: It's not the same

Journal Article · · Fluid Phase Equilibria
 [1];  [2];  [1]
  1. 525 Solutions, Inc., Tuscaloosa, AL (United States); University of Alabama, Tuscaloosa, AL (United States)
  2. Texas Tech University, Lubbock, TX (United States)

Here this study demonstrates the use of ionic liquids to successfully extract chitin from different biomass sources and the utilization of the resulting chitins to prepare monofilament fibers. Chitin was extracted from five different biomass sources (processed and raw shrimp shell, crab and lobster shell, and fly larvae) using the ionic liquid (IL) 1-ethyl-3-methylimidazolium acetate ([C2mim][OAc]). While processed and raw shrimp shell yielded chitin of high purity in quantitative yield, crab and lobster shell resulted in lower yields of chitin. Fly larva provided chitin severely contaminated with proteins. Each extracted chitin was re-dissolved in the same IL and dry wet jet spun into monofilament fibers to determine any trends in mechanical properties vs. biomass source. The concentration needed to spin fibers was not consistent and had to be adjusted individually for each type of chitin obtained. Chitin from raw shrimp shell produced the strongest fibers, while the chitin from the crab and lobster produced weaker fibers, although, the latter were twice as elastic. The use of fly larvae led to the weakest and least elastic fibers.

Research Organization:
Univ. of Alabama, Tuscaloosa, AL (United States); 525 Solutions, Inc., Tuscaloosa, AL (United States)
Sponsoring Organization:
USDOE Office of Nuclear Energy (NE), Nuclear Energy University Program (NEUP)
Grant/Contract Number:
NE0000672; SC0010152
OSTI ID:
1977124
Journal Information:
Fluid Phase Equilibria, Vol. 552, Issue C; ISSN 0378-3812
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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