Review on Different Defluoridation Techniques

Abstract: Water is basic need for life. It is used in every household activity. With increasing population, the demand of water is increased. In addition to problem of limited quantity of water, its quality is also main concern. One of main concern is about fluoride present in water. Defluoridation involves removal of fluoride present in water. Consuming fluoride has both advantageous and disadvantageous effects on human body and animals that is why it is known as 'double -edged sword ‘. Excessive consumption of fluoride causes fluorosis. It is major health problem in India. Various techniques are studied to remove fluoride bur still the problem is not been solved. The purpose of this paper is to review the techniques or methods available for fluoride removal from water.