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Issue
Korean Journal of Chemical Engineering,
Vol.28, No.2, 449-454, 2011
Circulating flow reactor for recycling of carbon fiber from carbon fiber reinforced epoxy composite
Lee SH, Choi HO, Kim JS, Lee CK, Kim YK, Ju CS
For the purpose of development of a chemical recycling process for carbon fiber from carbon fiber reinforced epoxy composite, a new chemical recycling system using nitric acid aqueous solution has been proposed. The recycling system is composed of hexahedral circulating flow reactor made of quartz, Teflon supporter, acid resistance pump and auxiliaries. Epoxy matrix in the composite was effectively decomposed by nitric acid aqueous solution in the circulating flow reactor and carbon fiber could be recycled without any tangle or disturbance. Optimum conditions for the recycling process have been experimentally established. Tensile strength loss of recycled carbon fiber and composition of liquid phase decomposition products were analyzed.
Keywords: Recycling; Carbon Fiber; Epoxy Composite; Circulating Flow Reactor; Nitric Acid; Decomposition
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[Cited By]
  1. Kim JS, Lee JC, Jeong JK, Korean Chemical Engineering Research, 50(5), 894, 2012
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