An exaggerated example:
The water speeding pass a chamber containing CR at 1000 l/hr, can remove 4 mg/l of ammonia.
When the velocity increases to 2000 l/hr, the chamber can remove 2 mg/l of ammonia.
To compensate for the losses, the water has to pass 2 chambers in order to remove 4 mg/l of ammonia.
let me try , the above mean
flow rate (1000 l/hr) + chamber remove ammonia.
1 + 1 4 mg/l
2 + 2 4 mg/l
double flow rate require double chamber to remove same amount ammonia.
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