Optical And Electrical Characterizations Of Liquid Concentrations For Waste-Water Treatment Plant

Mohd Nazri, Muhamad Naeem (2018) Optical And Electrical Characterizations Of Liquid Concentrations For Waste-Water Treatment Plant. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this project is to design a system that is capable to measure the liquid concentration for the waste-water treatment plant. The polymer optical fiber was employed as the sensor instead of the conventional electronic sensor due to less power usage, low maintenance cost and can be operated in the harsh environment. In comparison with the glass fiber optic, it is flexible, thus it is more durable. The liquid concentrations in consideration were sucrose solution, salt solution, cornstarch solution and a few types of oils. Both electrical and optical testing measurements were taken into account. The outcome of this project is the identification of different liquid conditions, where different liquid concentration produces different refractive index change and the relationship between the value of the refractive index (RI) and the output power. For 0.1 mol of sucrose solution, the RI value is 1.3388 while for 1.0 mol of sucrose solution, the RI value is 1.3849. The RI value for 1.0 mol salt solution is 1.3437 while for 5.0 mol of the salt solution produced 1.3768 of refractive index. Meanwhile, 0.2 mol of cornstarch solution produced 1.3320 and 1.0 mol of corn starch produced 1.3324. In conclusions, the higher the liquid concentration, the higher the refractive index.

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