Evaluating and ranking the biomass materials for fuel briquettes is a good idea to optimize agricultural resources to address the nation"es energy shortage problem. However, in measuring the efficiency of each fuel briquette, several relevant factors or criteria must be considered at the same time. This problem is one of the multi-criteria decision-making problems that are complex and difficult to assess. This research presents the data envelopment analysis and the virtual cross-efficiency method to measure the efficiency and ranking of each fuel briquette, respectively. First, the important properties or criteria for evaluating fuel briquettes must be determined, such as calorific value, ash content, moisture content and volatile matter. The data envelopment analysis was then used to measure the efficiency of each fuel briquette. Finally, the virtual cross-efficiency method was utilized to rank each fuel briquette. The proposed method was tested with two related studies. The results showed that the proposed method was highly effective in ranking biomass materials for processing into fuel briquettes. By testing Spearman’s correlation between the proposed method and the other ranking methods, it was found that the proposed method has a very high level of conformity (r value > 0.95). Therefore, it can be used as a guide to measure the efficiency and ranking each fuel briquette with multiple factors at the same time.
Keywords
Biomass, Data Envelopment Analysis, Fuel Briquette, Virtual Cross-Efficiency Method, Multi-Criteria Decision Making
THE JOURNAL OF INDUSTRIAL TECHNOLOGY
Published by : Research and Academic Supports Division College of Industrial Technology, King Mongkut’s University of Technology North Bangkok Contributions welcome at : http://j.cit.kmutnb.ac.th/en/
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