Muhammad Nurdin
Universitas Halu Oleo, Indonesia
Title: Chemical oxygen demand flow system sensor using TiO2/Ti electrode: surfactants pollution detection in wastewater
Biography
Biography: Muhammad Nurdin
Abstract
Design of Chemical Oxygen Demand (COD) flow system sensor has been done using TiO2/Ti electrode to detect surfactant pollution on liquid waste. The methods of the research were started from TiO2/Ti electrode preparation with anodizing method and continued to characterization by using Scanning Electron Microscopy (SEM) and X-Ray Diffraction (XRD). TiO2/Ti electrode obtained was tested the activity by using Linear Sweep Voltammetry (LSV) method. COD flow system value determination for test compounds i.e. Sodium Lauryl Sulphate (SLS), Hexadecyltrimethylammonium bromide (HDTMA-Br), and 4-octylphenol polyethoxylate (Triton X-100) was performed by using Multi Pulse Amperometry (MPA) method. The data obtained were processed based on Faraday law (Q = ∫ I dt). The result of COD flow system determination affected for the high of initial photocurrent (Iph) which produced. Photocurrent response was examined in test compounds SLS, HDTMA-Br, and Triton X-100 with COD value were 9.43; 9.06; and 8.61 mg/L O2, respectively. The result showed that SLS had COD value higher than others tested compounds.