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All Journal RESWARA: Jurnal Riset Ilmu Teknik
Ika Ucha Pradifta Rangkuti
Departement of Plantation Product Preprocessing Technology, Institut Teknologi Sawit Indonesia, Medan, Indonesia
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Potential of Boiler Ash from 30 and 60 Ton/Hour Palm Oil Mills as a Nutrient Source in Palm Plantation Gita Rohani Br. Pardede; Ika Ucha Pradifta Rangkuti
RESWARA: Jurnal Riset Ilmu Teknik Vol. 4 No. 3 (2026): RESWARA: Jurnal Riset Ilmu Teknik, July 2026
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v4i3.546

Abstract

The palm oil industry generates large amounts of biomass waste, one of which is boiler ash produced from the combustion of fiber and shell in palm oil mill boilers. Boiler ash is generally underutilized and is commonly stockpiled around factory areas, potentially causing environmental pollution. This study aimed to evaluate the potential of boiler ash from palm oil mills (POM) with capacities of 30 ton/hour and 60 ton/hour as a nutrient source for oil palm plantations. The research employed a quantitative descriptive method using mass balance analysis, laboratory analysis, and Independent Samples T-Test. The results showed that the 60 ton/hour POM produced a higher amount of boiler ash, reaching 16,712.75 tons, compared to 8,624.40 tons from the 30 ton/hour POM. Boiler ash from the 30 ton/hour POM had a higher Nitrogen content of 0.36%, while boiler ash from the 60 ton/hour POM contained higher levels of Potassium (4.79%), Phosphorus (2.17%), Magnesium (2.70%), and Calcium (6.87%). Statistical analysis indicated that most nutrient parameters showed significant differences at the 5% significance level. Boiler ash has strong potential to be utilized as an alternative nutrient source to support sustainable oil palm plantation systems and reduce dependence on inorganic fertilizers.
Potensi Tandan Kosong Kelapa Sawit dari Pabrik Kelapa Sawit Kapasitas 30 Ton/Jam dan 60 Ton/Jam sebagai Penyedia Unsur Hara di Perkebunan Kelapa Sawit Rando Kelvin Silalahi; Ika Ucha Pradifta Rangkuti
RESWARA: Jurnal Riset Ilmu Teknik Vol. 4 No. 3 (2026): RESWARA: Jurnal Riset Ilmu Teknik, July 2026
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v4i3.561

Abstract

Oil Palm Empty Fruit Bunches (EFB) are one of the major solid wastes generated from the processing of Fresh Fruit Bunches (FFB) in palm oil mills. This study aims to evaluate the potential of EFB produced from palm oil mills with processing capacities of 30 tons/hour and 60 tons/hour as a nutrient source for oil palm plantations. The study employed a quantitative descriptive approach using mass balance analysis, laboratory testing, and the Independent Sample T-Test using IBM SPSS version 25. The parameters analyzed included macronutrients, micronutrients, and the physicochemical properties of EFB. The results showed that the mill with a capacity of 60 tons/hour produced a higher amount of EFB, reaching 13.80 tons/hour, compared to 6.90 tons/hour from the 30 tons/hour mill. EFB from the 60 tons/hour mill contained higher levels of nitrogen, potassium, phosphorus, copper, and iron, while EFB from the 30 tons/hour mill showed higher values of zinc, pH, organic carbon, organic matter, and C/N ratio. Statistical analysis revealed significant differences in several nutrient parameters between the two mill capacities at a 5% significance level. Overall, EFB demonstrates strong potential as an organic fertilizer source to improve soil fertility and support sustainable oil palm plantation systems.
Co-Authors Gita Rohani Br. Pardede Rando Kelvin Silalahi