What is vacuum evaporation Evaporation is the change of state from the liquid to the gaseous state which, in the…

What is Reverse Osmosis Reverse osmosis is the process in which the passage of solvent molecules from the more…

Activated carbon is a material containing amorphous carbon and having a highly porous structure and high specific area…

Unlike chemical sterilization which sometimes allows bacteria to develop resistance, ultraviolet irradiation acts…

The sewage purification treatment consists of a succession of several phases (or processes) during which unwanted…