| Issue |
E3S Web Conf.
Volume 154, 2020
6th International Conference – Renewable Energy Sources (ICoRES 2019)
|
|
|---|---|---|
| Article Number | 03004 | |
| Number of page(s) | 7 | |
| Section | Waste to Energy | |
| DOI | https://doi.org/10.1051/e3sconf/202015403004 | |
| Published online | 09 March 2020 | |
Analysis of thermal properties of coffee grounds left over from coffee percolation
Warsaw University of Life Sciences - SGGW, Department of Fundamental Engineering, Poland
Abstract
Coffee is one of the most popular beverages worldwide. The goal of this work is an estimation of the qualities of waste coffee grounds as a material used in biofuel production. There were selected two most popular coffee beans mixtures: arabica and arabica with robusta, as well as chocolate-flavoured coffee and green coffee (unroasted coffee beans). All types of coffee had approximately the same ash value its average oscillating between 2,59-3,21%. Calorific value of the dried waste coffee grounds after coffee percolation places it among very good energy materials
© The Authors, published by EDP Sciences, 2020
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