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Smart waste water treatment

Water being a vital resource for the life on earth is under a serious threat of scarcity with the increase in population. There is always a need to recycle and reuse the waste water in order to meet the demand for water. This paper depicts the need for waste water treatment and also compares centralized and decentralized way of waste water treatment. It presents design and automation of waste water treatment plant. To keep the waste water treatment plant running certain parameters must be monitored regularly. Hence different sensors at different stages of treatment plant can be used. This paper depicts the urgency of waste water treatment due to rapid growth in urbanization and provides efficient solution through automation of waste water treatment plant.