Thermal pyrolysis of fresh and waste fishing nets

Seung Soo Kim, Jong Ki Jeon, Young Kwon Park, Seungdo Kim

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Kinetic tests on the pyrolysis of nylon-6 taken from fresh (new) fishing nets and waste fishing nets were conducted using thermogravimetric analysis at heating rates of 0.5, 1.0 and 2.0°C/min. The main region of decomposition of both materials was between 340 and 440°C at each heating rate. The region of decomposition for the nylon-6 from the waste fishing nets was slightly lower than that of the fresh fishing nets. The result shows that the value of activation energies increased from 128 to 433 kJ mol-1 as the conversion of the pyrolysis reaction increased from 5% to 95%. Nylon-6 from the fresh fishing nets was pyrolyzed in a micro-scale tubing bomb reactor for 60, 80 and 100 min at 440°C. The yield of pyrolyzed gases increased from 3.94 to 5.50 wt% with reaction time. The selectivity to specific hydrocarbons was not detected from the pyrolyzed oil and the carbon number distribution of the pyrolyzed oil was random.

Original languageEnglish
Pages (from-to)811-817
Number of pages7
JournalWaste Management
Volume25
Issue number8
DOIs
StatePublished - Oct 2005

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