6TH International Congress on Technology - Engineering - Kuala Lumpur3 - Malaysia (2018-07-19)

Determination Of Water Quality Parameters Using Microwave Nondestructive Method

This paper presents an investigation of microwave reflection and dielectric properties measured by the open-ended rectangular waveguide in the frequency range of 8-12 GHz for determination the water quality parameters. Microwave method shows a potential to determine the salinity and some water quality index. The measured microwave reflection and dielectric properties of water were related to water quality parameters such as salinity and temperature. The results indicate that the reflection and dielectric properties of water decrease with increasing the temperature of water samples. The salinity of water sample increase the loss factor and decrease the dielectric constant of the water sample. Also, the reflection of the microwave signal and dielectric properties decrease with increasing microwave frequency and turbidity of the water. The microwave reflection method simplifies and speeds up the computation of the water quality index, as compared to the currently existing methods. By optimizing the calculation, a significant saving regarding money and time can be achieved. Further investigation is needed to determine the possibility of using microwave method for predicting other water quality factors.
Keywords: Dielectric Properties; Microwave; Salinity; Turbidity; Water Quality.
Hashem Al-Mattarneh, Mohammed Dahim