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1. |
A continuous process is set up for treatment of wastewater. Each day, 103 kg cellulose and 105 kg bacteria enter in the feed stream, while 102 kg cellulose and 1.5 x 102 kg bacteria leave in the effluent. The rate of cellulose digestion by the bacteria is 8 x 102 kg d-1. The rate of bacterial growth is 4x 102 kg d-l; the rate of cell death by lysis is 6 x 102 kg d-1. Write balances for cellulose and bacteria in the system. |
A. | 1× 103 kg, 9 × 103 kg |
B. | 1× 102 kg, 9.965 × 104 kg |
C. | 1× 103 kg, 9.964 × 104 kg |
D. | 1× 102 kg, 9 × 103 kg |
Answer» C. 1× 103 kg, 9.964 × 104 kg | |