While designing the demineralisation plant what is considered as the strong acidic cation load?

What is the thumb rule to consider for osmotic pressure?

What is the minimum time of aeration?

While designing the demineralisation plant what is considered as the weak basic anion load?

What is the acceptable pressure drop at maximum flow rate?

What is the retention time considered for the anaerobic zone for the A2O process for removing phosphorus?

The cost of AOP is high because of _____

What is the SDI assumed for reverse osmosis hollow fibre?