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Wood chip supply from forest to port of loading – A simulation study
Biomass & Bioenergy ( IF 6 ) Pub Date : 2021-07-28 , DOI: 10.1016/j.biombioe.2021.106182
Johanna Enström 1 , Anders Eriksson 1 , Lars Eliasson 1 , Aron Larsson 2 , Leif Olsson 2
Affiliation  

Maritime transport facilitates trade with bioenergy feedstocks in the Baltic region. The study aims to provide guidance on efficient organisation of logistics at the port of loading for maritime transport of wood chips. The economic effects of using an intermediate terminal as opposed to direct delivery to port were studied, as well as the relationships between production capacity and storage capacity. Discrete-Event Simulation was used to analyse scenarios where a variable part of the volume is handled through the terminal. The total supply cost, including chipping, transportation, storage and handling at inland terminal and port, as well as loading of the ship, varied between €6.73 and 7.85 per MWh in the different scenarios. The volume passing through the terminal had a significant influence on total cost, showing a supply chain cost increase of €0.78 per m3 (approximately €4.67 per dry tonne) for material delivered through the terminal. The difference in storage cost between port and inland terminal determines whether the terminal volumes affect costs, which was shown by a sensitivity analysis. Even so, the terminal offers a possibility to manage uncertainty, both in production rates and in shipping date, and influences the supply network. The main advantage of using a simulation technique for planning production and logistic flows is the visualisation of risks and margins.



中文翻译:

从森林到装货港的木片供应——模拟研究

海上运输促进了波罗的海地区生物能源原料的贸易。该研究旨在为木屑海上运输装货港的物流有效组织提供指导。研究了使用中间码头而不是直接运送到港口的经济影响,以及生产能力和存储能力之间的关系。离散事件模拟用于分析通过终端处理体积的可变部分的场景。在不同情况下,总供应成本,包括在内陆码头和港口的碎屑、运输、储存和装卸以及船舶装载,在每兆瓦时 6.73 至 7.85 欧元之间。通过码头的流量对总成本有显着影响,3(每干吨约 4.67 欧元)用于通过码头交付的材料。港口和内陆码头之间存储成本的差异决定了码头数量是否影响成本,敏感性分析表明了这一点。即便如此,终端提供了管理不确定性的可能性,包括生产率和运输日期,并影响供应网络。使用模拟技术规划生产和物流的主要优势是风险和利润的可视化。

更新日期:2021-07-29
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