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A framework for supply chain configuration for a biomass-to-energy pre-treatment process

Martin Svanberg (Institutionen för teknikens ekonomi och organisation, Logistik och transport)
Göteborg : Chalmers University of Technology, 2013. - 84 s.
[Licentiatavhandling]

A transition from fossil fuel to renewable energy sources such as biomass is an environmentally sustainable pathway. However, increased use of biomass is hampered by a number of barriers regarding movement of energy: through place, through time and through existing energy infrastructure. One means to overcome these barriers is to introduce a pre-treatment process such as torrefaction, which enhances the biomass product properties. In a supply chain perspective, there are a number of decisions to make regarding feedstock, supply system, torrefaction plant, distribution system, and customer demand. This renders a number of possible supply chain configurations. Hence, the purpose of this thesis is to understand the logistics implications of a pre-treatment process in order to propose supply chain configurations. This thesis is a compilation of four papers and the methods used are literature reviews, interviews and techno-economic modelling. The major result of the thesis is a number of frameworks that can assist actors involved in configuration of torrefaction supply chains. First of all, biomass-to-energy supply chains without torrefaction were reviewed. The findings were classified into characteristics of the physical flow and further refined into three minor frameworks for supply chain configuration. Secondly, a framework for torrefaction configuration was developed, which entailed propositions on torrefaction configuration for three types of demand, represented by three customers: households, medium-sized bioenergy CHP and coal CHP. Finally, the cost of a feasible torrefaction supply chain under Swedish conditions was assessed. The optimal size of a torrefaction plant was calculated and a number of central parameters affecting supply chain cost and plant size were identified. In order to provide a foundation for evaluation in other cases, a framework describing the relation between torrefaction configuration and supply chain performance was proposed.



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Denna post skapades 2013-08-28. Senast ändrad 2013-08-28.
CPL Pubid: 182398

 

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Institutioner (Chalmers)

Institutionen för teknikens ekonomi och organisation, Logistik och transport (2005-2016)

Ämnesområden

Energi
Transport
Transportteknik och logistik

Chalmers infrastruktur

Relaterade publikationer

Inkluderade delarbeten:


Supply chain configuration for biomass-to-energy: The case of torrefaction


Analysing biomass torrefaction supply chain costs


Examination

Datum: 2013-08-18
Tid: 13:15
Lokal: Vasa B
Opponent: Bente Flygansvaer