Rancang Bangun Alat Pencacah Sampah Organik

Abstract

DONI APRIANO PURBA: Design and construction of organic waste grater, Supervised by ACHWIL PUTRA MUNIR and SULASTRI PANGGABEAN. Public attention to the agricultural and environmental problems in the last few years was increased. This situation was caused by the increasingly negative impact from the environment, compared to positive impact of the productivity of agricultural crops. This organic waste grater is an equipment that work as a chopper of organic material such as leaves, grass, small twigs of trees, and the stem by chopping them up into a small sizes. The equipment is not only useful to chop organic waste into fertilizer, but can be used as feed for livestock. The results showed that the effective capacity of the equipment was 110,39kg/hour. Primary cost wasRp. 228,275/kg for the first year, Rp.228,590/kg for the second year, Rp. 228,928/kg for the third year, Rp. 229,291/kg for the fourth year, and Rp. 229,681/kg for the fifth year. BEP was 14.932 kg in the first year, 15.738 kg in the second year, 16.604kg in the third year, 17.535 kg in the fourth year and 18.535 kg in the fifth year. The IRR was 45,46%