INCREASING FLEXIBILITY AND INTERCHANGEABILITY OF PETROLEUM REFINING EFFLUENT WASTWATER TREATMENT BETWEEN RFCC AND PROCESS WWTP THROUGH TREATMENT MODELING IN PT X

• Main Author: Hamonangan Nadapdap, Andrew
• Format: Final Project
• Language: Indonesia
• Subjects: Teknik saniter dan perkotaan; teknik perlindungan lingkungan
• Online Access: https://digilib.itb.ac.id/gdl/view/84482
• Institution: Institut Teknologi Bandung

PT X has two WWTPs that work independently and are unable to interchange. This study aims to enhance the flexibility and interchangeability between two Process WWTP and RFCC WWTP in PT X through modeling. The modeling uses the BioWin Activated Sludge Treatment Model (ASDM) provided by EnviroSim company. This model provides an analysis role where simulations contribute to solving a specific task, in this case solving interchangeability potential between two WWTPs. The study starts the waste characterization of influent for two WWTPs, by determining the wastewater influent it can be used to be the baseline for the model to remediate. This characterization was conducted through document assessment provided by PT X and lab analysis in ITB's Water Quality Lab. The data later will be input into BioWin software. The next step is to develop a model that mimics PT X's current WWTP, this will create an insight into improvement within the model. The model proved to be 30% similar in performance with 0.002 Z similarity which means the model is sufficient to be analyzed. After the model is close enough to the actual WWTP six different scenarios are engineered to study the behavior of the model. 6 models will be weighed using two different weighing methods to determine which model can be used in PT X WWTP practices. The first weighing method is simulation analysis. Simulation analysis is running each scenario within 30 30-day periods and then determining the effluent quality and unit capability. Next is the weighing method Multi Criteria Decision Analysis (MCDA) measuring the scenario effluent quality and process parameter in three different scoring matrixes. The first MCDA scoring matrix is regulation compliance, the second one is pollutant load, and the third one is reliability test. From two different weighing analyses, Scenario A is chosen due to the effluent quality it generated and the reliability of its process