Energy and Productivity Yield Assessment of a Traditional Furnace for Noncentrifugal Brown Sugar (Panela) Production

Table 4

Efficiency, productivity, and environmental indices for the traditional furnace.

Indices	Lot 01	Lot 02	Lot 03	Lot 04	Lot 05	Mean
%e	11.450	13.846	14.008	12.794	11.533	12.726 ± 1.091
%ex	8.168	9.349	9.882	9.492	8.172	9.013 ± 0.710
%n	61.924	75.898	73.757	91.152	58.736	72.293 ± 11.507
R (kgpanela/kgbagasse)	0.123	0.144	0.141	0.183	0.127	0.144 ± 0.021
P (kgpanela/h)	7.098	8.223	6.753	7.356	7.821	7.450 ± 0.520
B (kgused bagasse/kgproduced bagasse)	1.443	1.270	1.149	1.063	1.366	1.258 ± 0.139

The indices are %e, energy efficiency, %e_x, exergy efficiency, %n, index of energy loss through chimney, R, process yield, P, productivity, B, bagasse consumption. Mean values for the five production lots ± standard deviation.