A master thesis from Aalborg University
Study of Pelleting Process Using Design Of Experiment And Numerical Optimization
Author(s)
Term
4. semester
Education
Publication year
2019
Submitted on
2019-05-31
Pages
61 pages
Abstract
In the transition from fossil-based to renewable energy sources, the use of fuel pellets created from leftover biomass from the industry for energy production has gained popu- larity. The pelleting process is an established technology, where the main optimization focus in recent studies is based on the material used in the process. The focus in this study is the entire pelleting process, with an investigation of both material parameters and process parameters. Design Of Experiment was used to determine the experi- mental variations to test at each run, from which an op- timization equation with: total energy consumption of the process, maximum pressure used in the process and dura- bility of the produced pellets as response variables. A statistical analysis using signicance was conducted on the design variables to determine the signicance of the ef- fect they have on the responses resulting in reducing the full model of terms. Optimized settings for the pelleting process at the four dif- ferent durability limits of EU regulations are present in the results along with a discussion and conclusion of the results.
Documents
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