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categoryهندسة بيئية schoolبكالوريوس event_available2026-07-13

السؤال

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An industrial waste contains 800 mg/L CH3COOH (acetic acid), 350 mg/L H₂NCH2COOH (glycine), and 10 mg/L NH3 (ammonia). It degrades aerobically at a rate of 0.20/day. Estimate the following: (a) The ultimate TBOD of the waste. (b) The ultimate CBOD of the waste. (c) The COD of the waste. (d) The ultimate NBOD of the waste. (e) The BODs of the waste. (f) The nitrogen concentration of the waste in terms of "mg/L as N".

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