PEMBUATAN BRIKET BIOCOAL DARI CAMPURAN BATUBARA LIGNIT, TONGKOL JAGUNG DAN TEMPURUNG BIJI KARET SEBAGAI SUMBER ENERGI ALTERNATIF

The lignite coal and biomass waste corn cobs and rubber seed shell have great potency and benefits to serve as an alternative energy source to fossil fuels, especially oil and gas. The purpose of this research is to improve the quality of the coal briquettes by adding corn cobs and rubber seed shell so that the resulted briquettes biocoal qualified for the source of alternative energy. This research was carried out by testing the raw material proximate analysis, the carbonization and briquetting biocoal and the analysis covering the water content, ash content, volatile matter content, fixed carbon, total sulfur and calorific value. The method used in the reseach was by varying the carbonization time, namely 30 minutes and 60 minutes, and varying the composition of the briquettes biocoal namely 80:10:10, 60:20:20, and 50:25:25. The results showed that the biocoal briquettes carbonization time of 60 minutes with the composition biocoal 80:10:10 briquettes produce the best quality in accordance with ISO 1-6253-200, with 2.64% water content, 5.35% ash content, 24.56% volatile matter, 67.45% fixed carbon, 0.06% total sulfur and 6361 kcal / kg calorific value. Keywords : Lignite Coal, Corn Cobs And Rubber Seed Shell, Biocoal Briquett