Thermochemical characterisation of Parinari polyandra Benth fruit shell

T.E. Odetoye, Kolawole R. Onifade, M.S. AbuBakar, James O. Titiloye

Research output: Contribution to journalArticlepeer-review


The aim of this work is to investigate the thermochemical characteristics of Parinari polyandra Benth fruit shell. An agricultural waste residue is investigated using standard methods including thermogravimetric analysis (TGA), proximate and ultimate analysis, structural composition and bomb calorimeter. The proximate and ultimate analyses were carried out to determine the ash and fixed carbon contents, volatile matter, and elemental compositions. The structural composition analysis determined the hemicellulose, cellulose, and lignin content of the biomass. The measured calorific value obtained was 20.5. MJ/kg. The TGA and DTG profiles indicate the waste fruit shells are viable for pyrolysis reaction. The inorganic contents are relatively low with potassium found to be the most abundant element. The hemicelluloses and cellulose contents are indicative of relatively higher rate of pyrolysis and comparable with established biomass utilised for bio-oil production.
Original languageEnglish
Pages (from-to)62-66
Number of pages5
JournalIndustrial Crops and Products
Publication statusPublished - Jan 2013


  • Parinari polyandra Benth
  • TGA
  • biomass
  • structural composition
  • elemental composition


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