Year: 2025 | Month: June | Volume: 12 | Issue: 6 | Pages: 650-657
DOI: https://doi.org/10.52403/ijrr.20250674
Automation of Palm Oil Industry Wastewater Quality Control System Using Microcontroller-Based Poly Aluminium Chloride (PAC) Integrated with Google Spreadsheet
Firman Kurniawan1, Jatmiko Endro Susen2o, Sumariyah3
1Post Graduate Student, Department of Physics, Faculty of Science and Mathematics, Diponegoro University, Semarang 50275, Indonesia
2,3Department of Physics, Faculty of Science and Mathematics, Diponegoro University, Semarang 50275, Indonesia
Corresponding Author: Firman Kurniawan
ABSTRACT
The development of microcontroller technology has been widely utilized in various fields, including in the treatment of industrial wastewater. One type of wastewater that requires special handling is palm oil mill effluent (POME), which contains high levels of pollutants such as water turbidity, fluctuating pH values, and high total dissolved solids (TDS). This research has developed an automated wastewater quality control system based on a microcontroller integrated with Google Spreadsheet. The system is designed to read real-time data from three key water quality parameters: turbidity, pH, and TDS. The next step is for the system to automatically determine the appropriate dosage of Poly Aluminium Chloride (PAC) through an actuator in the form of a peristaltic pump. The main components of the system include an Arduino Mega 2560, turbidity sensor, pH sensor, TDS sensor, and an internet connection module for data transmission. Monitoring data is sent and recorded automatically to Google Spreadsheet, enabling remote access and analysis. System testing results show that the system has successfully met the quality standards for POME wastewater, specifically turbidity (≤150 NTU), pH (6–9), and TDS (≤500 ppm). Component testing also demonstrates high measurement accuracy, reaching 98.680% for the turbidity sensor, 98.890% for the pH sensor, and 98.676% for the TDS sensor.
Keywords: Microcontroller, Poly Aluminium Chloride (PAC), Google Spreadsheet, Palm Oil Mill Effluent (POME)
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