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The effect of the carbonization period to the yield of biomass charcoals of secang, roda, ketapang and siwalan fruits using the small scale PEM A – HRV furnace
W.R. Hatiningruma, Suparnob A. Huzein c, R.D. Syahputra c, A.D Rahangmetangc ,

a Associate Profesor at The Energy and Mineral Polytechnic AKAMIGAS, 38 Gajah Mada Street, Cepu-Blora, 58315, Indonesia
b Assistant Profesor at The Energy and Mineral Polytechnic AKAMIGAS, 38 Gajah Mada Street, Cepu-Blora, 58315, Indonesia
c Students at The Energy and Mineral Polytechnic AKAMIGAS, 38 Gajah Mada Street, Cepu-Blora,58315, Indonesia


Abstract

Four kinds of fruit waste in Blora and Tuban , Java island, still have calorific values which could be harvested as a daily house hold energy source after they turn to charcoals. A small scale carbonization furnace needs to be desiged to fullfill this purpose. This research purposes to test an impact of carbonization period to the yield of secang, roda, ketapang and siwalan (skin) fruit charcoals using PEM A-HRV furnace. The furnace was designed only for 4(four) kg in capasity to minimize emission during carbonization. The carbonization temperature was set at 400 oC with the optimum carbonization period of 4(four) hours in the maximum furnace capasity. A natural draft inlet oxygen system was used for carbonization. The charcoal yielded was between 21.77 % to 32.57 % weight averaged from the 17 times tests. The Calorific values of charcoals vary from 5240 cal/gram to 6490 cal/gram adb depending on the type of the fruit charcoal. The volatile matter content was still more than 20 % weight adb in average, saying that the temperature for carbonization need to be increased eventhought this may decrease the charcoal yield.

Keywords: Keywords: carbonization period, furnace, biomass fruits, charcoal yield

Topic: Environmental Engineering

Link: https://ifory.id/abstract/Y67LHBGpDe4P

Conference: 1st Borobudur International Symposium (BIS 2019)

Plain Format | Corresponding Author (Woro Rukmi Hatiningrum)

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