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Is there any requirement for nutrient addition during biological treatment?

April 26, 2017addition biological nutrient requirement treatment

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Is there any requirement for nutrient addition during biological treatment?

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Nitrogen (N) and Phosphorous (P) are main ingredients of a cell are required for bacterial cell growth. Generally, sufficient amount of N and P are present in the domestic wastewater, so no requirement for nutrient addition. For industrial wastes, sometimes it becomes necessary.