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Bioresour Technol. 2014 Dec;173:429-438. doi: 10.1016/j.biortech.2014.09.102. Epub 2014 Oct 14.

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

Author information

1
CERENA/DEQ, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal. Electronic address: pooja@cstep.in.
2
CERENA/DEQ, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.
3
DTU Climate Centre, Systems Analysis, Department of Management Engineering, Technical University of Denmark, Denmark.

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 5 MWe straw combustion plant were 39.01, 47.52 and 47.89 USD/t for Northern, Ashanti and Volta regions respectively. Logistics cost for a 0.25 MWe husk gasification plant (with roundtrip distance 10 km) was 2.64 USD/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.

KEYWORDS:

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

PMID:
25444887
DOI:
10.1016/j.biortech.2014.09.102
[Indexed for MEDLINE]

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