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Non Chemical Water Treatment Process for TDS Reduction In Cooling Tower – Specific Study on Electrical Conductivity and Turbidity

Journal: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) (Vol.8, No. 6)

Publication Date:

Authors : ; ;

Page : 151-158

Keywords : Tangential Water Flow Through Nozzle; Cavitation Chamber; TDS; Hardness; Convergent Nozzles; Electrical Conductivity; Turbidity; Calcium / Magnesium & Sulphates;

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Water is an important natural resource which is the key essential for life and livelihood. While the agricultural sector consumes a major portion of the available water resources, the growing urbanization demands more water resources for industrial and domestic use. The availability of fresh water for industrial utility purposes is the growing challenge in the recent past [1]. With the ongoing water scarcity challenges globally, it has become inevitable for industries to look alternative methods to replenish and reuse water [2]. The chemical and Non chemical methods of water treatment are gaining importance for effective water reuse in the industrial and domestic sector. The chemical water treatment methods are effective but at the same time are expensive in utility and maintenance. The non chemical water treatment methods such as filtration, membrane activation, ultrasonic treatment, magnetic separation and mechanical separation are commonly used in the industrial sector. This research investigates the pressure drop chamber system of non chemical water treatment which is unique and effective. The pressure drop created in a closed chamber enhances the precipitate formation which results in the reduction of the Total Dissolved Salts (TDS), hardness, pH and many other associated parameters. The effect of the Pressure drop chamber working parameters on the electrical conductivity and turbidity of water is studied. The differential inlet supply air pressure is tested for increasing settling time of 30, 60, 90, 120 and 150 minutes for a pressure drop chamber length of 300 mm, Nozzle inlet diameter of 35 mm, exit diameter of 16 m and nozzle length of 50 mm. The electrical conductivity and turbidity decreases with the decreases in TDS over increasing settling time [12]. A non linear but directly proportional correlation exists between the TDS and the Electrical conductivity and turbidity.

Last modified: 2019-02-11 17:01:49