Logistics cost analysis of rice residues for second generation bioenergy production in Ghana

Pooja Vijay Ramamurthi, Maria Cristina Fernandes, Per Sieverts Nielsen, Clemente Pedro Nunes

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    This study explores the techno-economic potential of rice residues as a bioenergy resource to meet Ghana’s energy demands. Major rice growing regions of Ghana have 70–90% of residues available for bioenergy production. To ensure cost-effective biomass logistics, a thorough cost analysis was made for two bioenergy routes. Logistics costs for a 5MWe straw combustion plant were 39.01, 47.52 and 47.89USD/t for Northern, Ashanti and Volta regions respectively. Logistics cost for a 0.25MWe husk gasification plant (with roundtrip distance 10km) was 2.64USD/t in all regions. Capital cost (66–72%) contributes significantly to total logistics costs of straw, however for husk logistics, staff (40%) and operation and maintenance costs (46%) dominate. Baling is the major processing logistic cost for straw, contributing to 46–48% of total costs. Scale of straw unit does not have a large impact on logistic costs. Transport distance of husks has considerable impact on logistic costs.
    Original languageEnglish
    JournalBioresource Technology
    Volume173
    Pages (from-to)429-438
    ISSN0960-8524
    DOIs
    Publication statusPublished - 2014

    Keywords

    • Rice residues
    • Logistic operations
    • Cost analysis
    • Bioenergy
    • Ghana

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