Rahmat Puluhulawa, Sumitro Hida, Putriani Bua, Muh. Zainal Ibrahim, Sri Wahyuni Wartabone, Wiwin Rewini Kunusa
The potential for solid waste is 6x more than the production of sago starch, which is±18 tons of wet sago dregs/day. The purpose of this study was to determine the heat capacity of sago waste-based briquettes. For the ratio of adhesive and charcoal using a ratio of 1: 5, 1: 6, 1: 7 and 1:10. The analysis stage after the treatment of the carbonization/carbonization sample is followed by the grinding and sifting process. The results of the analysis showed 100 grams of adhesive and 600 grams of charcoal, a ratio of 1:5 the dough was too liquid so it was difficult to form and caused a waste of charcoal. The ratio of 1:7 is easy to crack because the dough is too dry. Comparison 1: 10. Gives good results. The resulting heat capacity is 1195 heat. FT-IR analysis showed a wide band of 3442.94 cm-1 to 3415. 93 cm-1 which showed the free OH strain vibrations of the OH group in the cellulose molecule. 1178.51 cm-1, -1039.53 cm-1, - 1024.20 cm-1, CC and COC glycosidic ether band. SEM data describes the differences in the surface morphological structure of each sample and is supported by XRD data. © 2023 Author(s).
Department of Education Chemistry, Gorontalo State University, Gorontalo, Indonesia; Master's Program in Chemistry Science, Gorontalo State University, Jl. Pasar Minggu, Gorontalo, Indonesia
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