CD Tesis
Analisis Potensi Oil Sludge Dengan Menggunakan Kulit Nanas Dan Aktivator Em4 Sebagai Pupuk Kompos
Industrial growth and increasing economic demands in the energy sector, particularly in petroleum and natural gas, have significantly contributed to the acceleration of environmental degradation. Exploration and production activities in the oil and gas industry generate various types of waste, one of which is oil sludge. Improper management of oil sludge can lead to ecological, economic, and social consequences. This issue requires a waste management approach that not only focuses on pollution mitigation but also supports environmental sustainability principles. Therefore, the utilization of oil sludge as a raw material for compost production is the primary focus of this research.
This study aims to analyze the potential of oil sludge as compost fertilizer by referring to the requirements of Indonesian National Standard (SNI) 7763:2018, using parameters such as moisture content, organic carbon (C-organic), carbon to nitrogen (C/N) ratio, pH, and macronutrient content. The hydrocarbon content was assessed through the Petroleum Hydrocarbon C10–C36 (PH C10–C36) parameter, based on the standard stated in Government Regulation of the Republic of Indonesia No. 22 of 2021. The research employed a quantitative analytical approach with four treatment groups and three replications. The ratios of oil sludge to topsoil in each treatment were 0:8, 2:6, 4:4, and 6:2 (in kilograms). Data were analyzed using a Completely Randomized Design (CRD) with a non-factorial model. An additional objective of this study was to evaluate the social and economic potential of utilizing oil sludge as a composting material.
The results showed that the compost treatment with 2 kilograms of oil sludge and 6 kilograms of topsoil was the closest to meeting the requirements of SNI 7763:2018. However, the parameters of moisture content, organic carbon, and macronutrients did not meet the required standards. The main constraint was the difficulty in reducing the internal moisture content of the oil sludge, which affected the decomposition process during composting. The most effective treatment in reducing hydrocarbons, based on the PH C10–C36 parameter, was the compost with 6 kilograms of oil sludge and 2 kilograms of soil. Nevertheless, this treatment did not reduce hydrocarbon levels below 1,000 mg/kg and remained higher than the control treatment (0:8), which reached 2,400 mg/kg. Community perception of oil sludge utilization as compost fertilizer indicated openness to this innovative compost product. The economic potential of oil sludge utilization lies in the opportunity to develop micro-scale business ventures for local communities. The production cost of the compost product in this study was IDR 1,771.00 per kilogram, which is significantly more affordable than the commonly used compost price among farmers, which averages IDR 2,600.00 per kilogram.
Key words : compost fertilizer, oil sludge, petroleum hydrocarbon, SNI 7763:2018
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