What is the limit of turbidity which a 2 stage filtration a handle?

What is the tank volume of aeration for water flow of 50m3/h?

When is strong basic anion not necessary?

Electro-coagulation process removes bacteria.

For a rapid sand filter, what is the ratio of length: breadth while designing it?

What is the common unit used to measure filtration quality?

What is the limit of LSI assumed while designing the reverse osmosis system without a scale inhibitor?

Which is the year zeolite was used as ion exchange water softeners?