Analysis of pelletizing from corn cob waste.
M T Miranda1, F J Sepúlveda1, J I Arranz1
1Industrial Engineering School, University of Extremadura, Av. Elvas s/n, Badajoz 06006, Spain.
Journal of Environmental Management
|September 22, 2018
Summary
Corn cob waste can be pelletized into high-quality biofuels for domestic use. This study analyzed the pelletizing process, finding satisfactory fuel properties and improved productivity with increased energy consumption.
Area of Science:
- Agricultural Science
- Biomass Energy
- Materials Science
Background:
- The growing biomass market necessitates exploring new biofuel sources.
- Agricultural wastes like corn cobs show potential but require processing for domestic use.
- Densification is crucial for enhancing the fuel quality of corn cob waste.
Purpose of the Study:
- To conduct a technical and energy analysis of corn cob waste pelletizing.
- To investigate the relationships between moisture, bulk density, and mechanical durability.
- To assess the influence of these variables on energy consumption and productivity.
Main Methods:
- Pelletizing corn cob waste in a semi-industrial pelletizer.
- Analyzing technical parameters like moisture, bulk density, and mechanical durability.
- Evaluating the energy consumption and productivity of the pelletization process.
Main Results:
- Manufactured corn cob pellets met most quality specifications.
- Pellets exhibited higher mechanical durability compared to similar products.
- Increased production led to higher energy consumption, improving the productivity ratio.
Conclusions:
- Corn cob waste can be successfully pelletized into high-quality biofuels.
- The pelletizing process is technically and energetically viable for domestic fuel applications.
- Optimizing the process can lead to enhanced fuel quality and efficient production.
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