What is Environment ?
Environment is defined as” the aggregate of surrounding things, conditions, or influences such as water, land, air, space and sun ”. To use the word environment alone is...
The sludge which is found in the bottom of a sedimentation tank in water treatment plant is primarily composed of water. The solids in the sludge are mainly flocs, excess coagulant, such as alum. Alum sludge...
Types of chemical disinfectants containing chlorine are hypochlorite, chloramines, and chlorine-dioxide.
Hypochlorites
Instead of using chlorine gas, some plants apply chlorine to water as a hypochlorite,...
Softening is the removal of hardness from water. This is not a required part of the domestic water treatment process since hard water does not have any health consequences. At a hardness of greater than 300...
What is Hardness?
Hardness is caused by hard water containing high concentration of calcium and magnesium ions. Water is considered to be hard if it has a hardness of 100 mg/L or more as calcium carbonate....
1.TERMINOLOGY
Operation of water supply system is timely and daily operation of the components of a water supply system such as headworks, treatment plant, machinery and equipment, transmission mains, service...