The number of active groups in a resin sample fluctuates.

What is the drum speed considered while designing a disc filter?

How is the salt flux expressed mathematically?

________ is a process whereby a solution or a particle is deposited on a membrane surface or in membrane pores.

What is the diameter assumed for hollow fine membranes for treating brackish water?

What is the maximum silica content in treated water from a regeneration system?

What is the limit of ammonia content for which ammonia stripping is suited?

What is the maximum allowable flow for backwash?