Thermal depolymerisation of poly-methyl-methacrylate using mechanically fluidised beds

M. Newborough, D. Highgate, J. Matcham

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


A new method for recovering monomer from scrap polymer is presented. The performance of an experimental mechanically fluidised bed for depolymerising poly-methyl-methacrylate is discussed. Methyl-methacrylate monomer has been recovered at up to 99.4% purity under preferred operating conditions of 400 °C nominal bed temperature, 35 Hz frequency and 2.5 mm amplitude. The findings indicate that this is an advantageous recovery process when compared with conventional lead-pot or gas-fluidised depolymerisation processes. © 2002 Elsevier Science Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)721-731
Number of pages11
JournalApplied Thermal Engineering
Issue number6
Publication statusPublished - Apr 2003


  • Fluidised beds
  • Recycling/recovery of polymers
  • Thermal processes
  • Waste management


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