Application of various technologies to purify the industry wastewates

Ever increasing industrialization and rapid population growth have considerably increased the rate of water pollution in worldwide. The declining supplies of natural resources of water have made this a serious limitation for industrial growth and for a reasonable standard of metropolitan living. The environmental protection agencies have imposed more stringent regulatory prohibitions to protect the water environment. Nowadays treatment of wastewater is very critical because of high usage of fresh water and discharge of highly polluted one. Many technologies adopted to reduce the organic and inorganic matters from wastewater. In this chapter the application of various technologies to purify the industrial wastewater is explored.Hence it is necessary to develop the effective treatment method with low operating cost for industrial wastewater treatment.