Pyrolysis Characteristics of the Mixture of Waste Fishing Net and Waste Ship Lubricating Oil

폐어망과 선박용 폐윤활유 혼합물의 열분해반응 특성 연구

  • Kim, Seung-Soo (Department of Chemical Engineering, Kangwon National University) ;
  • Kim, Young-Sik (Department of Chemical Engineering, Kangwon National University)
  • 김승수 (강원대학교 삼척캠퍼스 화학공학과) ;
  • 김영식 (강원대학교 삼척캠퍼스 화학공학과)
  • Received : 2008.08.25
  • Accepted : 2008.09.02
  • Published : 2008.10.10

Abstract

Kinetic tests on pyrolysis of waste fishing net [WFN; nylon-6], waste ship lubricating oil [WSLO] and their mixture were carried out by thermogravimetric analysis (TGA) with heating rate of 0.5, 1.0, and $2.0^{\circ}C/min$. Pyrolysis of waste fishing net started at $300^{\circ}C$, and the main region of decomposition temperature was between 360 and $440^{\circ}C$ at each heating rate. Decomposition temperature of the mixture of WFN and WSLO was lower than that of WFN and WSLO, and the shape of thermogravimetic graph of mixture was different as well. The corresponding kinetic parameters including activation energy and pre-exponential factor were determined by differential method over the degree of conversions. The values of activation energies for the mixture of WFN and WSLO were between 98 and 427 kJ/mol as the conversion increased from 5% to 95%. Tubing reactor was used to analysis of pyrolyzed oil at $440^{\circ}C$ for 80 min. The selectivity of specific hydrocarbons was not detected and the carbon number distribution of the pyrolyzed oil was below $C_{22}$.

Keywords

waste fishing net;waste ship lubricating oil;pyrolysis;thermogravimetric analysis;waste reutilization

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