Evaluasi Kinerja Unit Instalasi Pengolahan Air Limbah (IPAL) Industri Kelapa Sawit (Studi Kasus : PT. XYZ)

Abstract

PT XYZ is one of the company units of PT ABC which is engaged in the palm oil industry with the process of fatty acids and their derivatives. In April 2024 PT XYZ produces waste with parameters contained, one of which is COD of 3500 mg/L and a discharge of 264 m3/day so that an evaluation is needed to see the quality of the treated wastewater. The purpose of this study is to determine the performance of each unit of the Wastewater Treatment Plant (WWTP) at PT XYZ and to evaluate the quality of wastewater produced at the PT XYZ Wastewater Treatment Plant (WWTP). The research was conducted at the WWTP of PT XYZ in April 2024. The type of research is comparative research, namely the comparison of wastewater output from each wastewater treatment unit with quality standards that refer to the Regulation of the Minister of Environment of the Republic of Indonesia Number 5 of 2014 Appendix III concerning Wastewater Quality Standards for Palm Oil Industry Businesses and / or Activities and also design evaluation by comparing design criteria. Data processing techniques include the calculation of the design of each WWTP unit by comparing design criteria and calculating the effectiveness of the treatment unit at the PT XYZ WWTP which is indicated by the percentage of pollutant removal. The results showed that the performance of each unit of the Wastewater Treatment Plant (WWTP) at PT XYZ gave good results in reducing pollutant parameters. However, the WWTP at PT XYZ has several points that require further optimisation. As in the oil & fat separator tank, it is necessary to improve the detention time and in the buffer tank, it is necessary to regulate the discharge into the building or readjust the building design to ensure that the detention time is in accordance with the design criteria. Furthermore, there is a significant decrease in the parameters of Oil & Fat, COD, and TSS from inlet to outlet so as to produce wastewater quality that meets quality standards.