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Article

Cost Analysis of Chaff Harvesting Concepts in Germany

Fraunhofer Institute for Environmental, Safety, and Energy Technology UMSICHT, Osterfelder Str. 3, 46047 Oberhausen, Germany
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Agronomy 2019, 9(10), 579; https://doi.org/10.3390/agronomy9100579
Received: 25 June 2019 / Revised: 19 September 2019 / Accepted: 20 September 2019 / Published: 25 September 2019
(This article belongs to the Special Issue Weed Management & New Approaches)
This work assesses the costs of exploiting the biomass feedstock chaff. Chaff is a harvest residue generated during the conventional grain harvesting process and usually remains on the field. In this paper, the costs of collecting and supplying chaff to the end user with different harvesting methods and supply chains are analyzed. The costs are estimated for a base case defining a set of general assumptions. The impact of these assumptions is analyzed in a sensitivity analysis by means of tornado diagrams. A full costing method based on the VDI guideline 2067 part 1 is applied for the cost estimation. The cost analysis reveals that ceasing the fractioning of grain, straw and chaff during harvesting and transporting them as a mixture reduces the harvesting costs significantly. The costs are decreased due to a reduction in agricultural operations and processing large amounts of material. The lowest total costs originate from the production of chaff-straw bales. Harvesting chaff as a single fraction leads to the highest costs with the investigated supply chains. Comparing the costs of chaff supply to potential revenues shows that an exploitation of the harvest residue can be economically feasible. View Full-Text
Keywords: harvest residues; chaff; cost estimation; harvesting methods; compact harvest; biomass supply chains; herbaceous biomass; pelleting costs harvest residues; chaff; cost estimation; harvesting methods; compact harvest; biomass supply chains; herbaceous biomass; pelleting costs
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MDPI and ACS Style

Unger, J.S.; Glasner, C. Cost Analysis of Chaff Harvesting Concepts in Germany. Agronomy 2019, 9, 579. https://doi.org/10.3390/agronomy9100579

AMA Style

Unger JS, Glasner C. Cost Analysis of Chaff Harvesting Concepts in Germany. Agronomy. 2019; 9(10):579. https://doi.org/10.3390/agronomy9100579

Chicago/Turabian Style

Unger, Jannike S., and Christoph Glasner. 2019. "Cost Analysis of Chaff Harvesting Concepts in Germany" Agronomy 9, no. 10: 579. https://doi.org/10.3390/agronomy9100579

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