Performance Optimisation of Fuel Pellets Comprising Pepper Stem and Coffee Grounds through Mixing Ratios and Torrefaction

Agricultural by-products have several disadvantages as fuel, such as low calorific values and high ash contents. To address these disadvantages, this study examined the mixing of agricultural by-products and spent coffee grounds, for use as a solid fuel, and the improvement of fuel characteristics t...

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Bibliographic Details
Published in:Energies (Basel) 2021-08, Vol.14 (15), p.4667
Main Authors: Park, Sunyong, Jeong, Hui-Rim, Shin, Yun-A, Kim, Seok-Jun, Ju, Young-Min, Oh, Kwang-Cheol, Cho, La-Hoon, Kim, DaeHyun
Format: Article
Language:English
Subjects:
agricultural by-products
Alternative energy sources
Biomass
Byproducts
Calorific value
Carbon
Coffee
Drying
Emissions
Fossil fuels
Mixing ratio
mixing ratios
Moisture content
pellet evaluation
Pellets
Pyrolysis
Ratios
Renewable resources
Rice
solid fuel
Solid fuels
Stems
torrefaction
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Summary:Agricultural by-products have several disadvantages as fuel, such as low calorific values and high ash contents. To address these disadvantages, this study examined the mixing of agricultural by-products and spent coffee grounds, for use as a solid fuel, and the improvement of fuel characteristics through torrefaction. Pepper stems and spent coffee grounds were first dried to moisture contents of
ISSN:1996-1073
1996-1073
DOI:10.3390/en14154667