[3] Trisakti, et al., 2018

IOP Conference Series: Materials Science and Engineering

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TALENTA-CEST 2017
IOP Publishing
IOP Conf. Series: Materials Science and Engineering
309 (2018) 012093 doi:10.1088/1757-899X/309/1/012093
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Effect of pieces size of Empty Fruit Bunches (EFB) on
composting of EFB mixed with activated liquid organic
fertilizer
B Trisakti*1,2, P Mhardela1, T Husaini1, Irvan1,2, and H Daimon3
Chemical Engineering Department, Faculty of Engineering, Universitas Sumatera
Utara. Jalan Almamater Komplek USU Medan, 20155, Indonesia

2
Sustainable Energy and Biomaterial Center of Excellence, Universitas Sumatera
Utara, Medan, 20155, Indonesia
3
Department of Environmental and Life Sciences, Toyohashi University of
Technology, Toyohashi, 441-8580, Japan

1

*

Email: b_trisakti@yahoo.com

Abstract. This research was to determine the effect of pieces sizes of oil palm empty fruit bunch
(EFB) on the composting of EFB mixed with activated liquid organic fertilizer (ALOF) in a
basket composter in order to obtain high quality compost. The composting process was started
by cutting the EFB into pieces with varies sizes, inserting the EFB pieces into basket composter
(33 cm W × 28 cm L × 40 cm H), and adding ALOF until moisture content (MC) in the range of
55-65%. During composting, the compost pile was turned every 3 days and the MC was
maintained at 55-65% range by adding the ALOF. The sizes of the EFB pieces were varied into

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