_____ is added to hard water to make it softer.

What is the COD loading rate assumed for an Up flow anaerobic sludge blanket (UASB)?

Calculate the backwash pump required for the activated carbon filter for the following details. Flow: 1000 m3/h. Rise …

At what detention time maximum saturation rates are experienced in a denitrification process?

Manganese oxidation requires a high oxidation potential.

The osmotic pressure of the brine increases proportionally to the salt concentration.

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

What is the minimum time of aeration?