MCQOPTIONS
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| 1. |
What is the retention time considered for the anoxic zone for the University of Cape Town treatment process for removing phosphorus? |
| A. | t2-4 hrs |
| B. | t4-6 hrs |
| C. | t6-8 hrs |
| D. | t8-10 hrs |
| Answer» B. t4-6 hrs | |