Production of Bio Char and Bio Oils from Botswana Marula Shells through Torrefaction and Pyrolysis

Janet Rakereng, Edison Muzenda, Joshuac Gorimbo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The pyrolysis and mild pyrolysis (torrefaction) of marula shells were studied. The objectives were to optimize torrefaction conditions and production of bio-oil from marula shells. A pyrolysis plant with nitrogen purging with varying temperatures from 200°C to 600 °c was used in this work. The results show that mass yield decreased with increase in temperature while weight loss increases with increase in temperature. The products obtained were characterized with Fourier transform infra-red spectroscopy (FTIR) and thermogravimetric analyzer (TGA). FTIR results indicated the presence of alcohols, alkanes, alkenes, ketones and nitrogenous compounds. TGA results show that the fixed carbon increases with increase in temperature, the ash and moisture content were recorded to be very low at average of 2.1% and 3.7% respectively compared to that of raw biomass which were 3.46 % and 6.91% for ash and moisture content respectively.

Original languageEnglish
Title of host publicationProceedings of 2019 7th International Renewable and Sustainable Energy Conference, IRSEC 2019
EditorsAbdelaaziz El Hibaoui, Mohamed Essaaidi, Youssef Zaz
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728151526
DOIs
Publication statusPublished - Nov 2019
Event7th International Renewable and Sustainable Energy Conference, IRSEC 2019 - Agadir, Morocco
Duration: Nov 27 2019Nov 30 2019

Publication series

NameProceedings of 2019 7th International Renewable and Sustainable Energy Conference, IRSEC 2019

Conference

Conference7th International Renewable and Sustainable Energy Conference, IRSEC 2019
CountryMorocco
CityAgadir
Period11/27/1911/30/19

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment

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  • Cite this

    Rakereng, J., Muzenda, E., & Gorimbo, J. (2019). Production of Bio Char and Bio Oils from Botswana Marula Shells through Torrefaction and Pyrolysis. In A. El Hibaoui, M. Essaaidi, & Y. Zaz (Eds.), Proceedings of 2019 7th International Renewable and Sustainable Energy Conference, IRSEC 2019 [9078145] (Proceedings of 2019 7th International Renewable and Sustainable Energy Conference, IRSEC 2019). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IRSEC48032.2019.9078145