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Korean Journal of Chemical Engineering

, Volume 22, Issue 4, pp 573–578 | Cite as

Pyrolysis kinetics and characteristics of the mixtures of waste ship lubricating oil and waste fishing rope

  • Seung-Ho Kim
  • Seung-Soo Kim
  • Byung-Hee Chun
  • Jong-Ki Jeon
Article

Abstract

Kinetic investigations on the pyrolysis of a mixture of waste ship lubricating oil (WSLO) and waste fishing rope (WFR) were carried out using a thermogravimetric analyzer (TGA) at a heating rate of 0.5 ‡C/min, 1.0 ‡C/min and 2.0 ‡C/min. WSLO and WFR were mainly decomposed at the temperature of range of 400 ‡C to 455 ‡C and 370 ‡C to 410 ‡C, respectively. The WSLO/WFR mixture was mainly decomposed at the temperature range of 300 ‡C and 450 ‡C, which is a lower temperature than that for the WSLO or the WFR alone at each heating rate. The ranges of apparent activation energies of the WALO/WFR mixture were between 137 kJ mol-1 and 197 kJ mol-1 at conversions in the range of 10–95%. The mixture of WSLO and WFR was pyrolyzed in a micro-scale tubing reactor at 440 ‡C for 60 min and 80 min. The yield of pyrolyzed gases increased from 2.13 wt% to2.29 wt% with reaction time. The selectivity to C7 hydrocarbons was shown in the pyrolyzed oil of the mixture.

Key words

Pyrolysis Polypropylene Waste Fishing Rope Waste Ship Lubricating Oil TGA DTG Carbon Number Distribution 

Nomenclature

A

pre-exponential factor [s-1]

E

activation energy [kJ mol-1]

k

pyrolysis rate constant [s-1]

n

reaction order

R

gasconstant=8.314Jg·mol-1K-1

t

pyrolysis time [s]

T

pyrolysis temperature [K]

W

weight of sample at time t [g]

W0

initial weight of sample [g]

Wt

final weight of sample [g]

X

conversion of samples

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Copyright information

© Korean Institute of Chemical Engineering 2005

Authors and Affiliations

  • Seung-Ho Kim
    • 1
  • Seung-Soo Kim
    • 1
    • 2
  • Byung-Hee Chun
    • 1
    • 3
  • Jong-Ki Jeon
    • 1
    • 3
  1. 1.Department of Environmental EngineeringSamcheok National UniversityGangwon-doKorea
  2. 2.Department of Environmental Engineering, School of EngineeringDong Hae UniversityGangwon-doKorea
  3. 3.Enviart Co., Ltd.IncheonKorea

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