Potential to produce biomass briquettes from brewery waste

Mercy M. Manyuchi, Charles Mbohwa, Edison Muzenda, M. Mpeta

Research output: Contribution to journalConference articlepeer-review


In this study, the potential to make charcoal briquettes from brewery waste was investigated in a bid to utilize brewery waste and come up with an alternative source of energy. Brewery spent grains were first shredded to reduce the particle size to a range of 2-10 mm and then briquetted at 2 MPa at a 1-minute compaction periods to square biomass briquettes. The briquettes were then carbonized at temperatures varying between 200-600°C. The charcoal briquettes formed had calorific values ranging from 25-32 MJ/kg with the optimum calorific value being obtained at 400°C. The charcoal briquettes produced from brewery waste can be used as an alternative source of energy at the same time managing industrial waste to promote environmental sustainability.

Original languageEnglish
Pages (from-to)40-44
Number of pages5
JournalProceedings of the International Conference on Industrial Engineering and Operations Management
Issue numberJuly
Publication statusPublished - 2019
Event3rd Eu International Conference on Industrial Engineering and Operations Management,IEOM 2019 - Pilsen, Czech Republic
Duration: 23 Jul 201926 Jul 2019


  • Biomass
  • Brewery waste
  • Charcoal briquettes
  • Renewable energy
  • Waste management

ASJC Scopus subject areas

  • Strategy and Management
  • Management Science and Operations Research
  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering


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