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A pharmaceutical wastewater needs a minimum BOD/N/P of 100/3.0/0.7 for biological treat- ment. The wastewater characteristics are BOD = 740 mg/1, suspended solids = 250

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A pharmaceutical wastewater needs a minimum BOD/N/P of 100/3.0/0.7 for biological treat- ment. The wastewater characteristics are BOD = 740 mg/1, suspended solids = 250 mg/1, soluble nitrogen = 24 mg/l, and soluble phosphorous = 12 mg/1. What ammonium nitrate and phosphoric acid additions would you recommend to ensure adequate nutrients for a daily flow of 28 m3/d

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