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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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In Nalgonda Technique of deflouridation addition of the _______ in following sequence:
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The correct answer is  Nalgonda technique was developed by the national environmental engineering research institute (NEERI) at Nagpur in 1974. The process comprises Addition in sequence of sodium aluminate (filter alum), lime and bleaching powder to fluoride water followed by flocculation, sedimentation, and filtration. The technique is extremely useful for both domestic as well as for community water supplies.