Sodium Sulphite (Na2 So3) is a white crystal powder or granule that tastes
salty with sulphur odor.
Sodium Sulphite is used as an antichlor in
water treatment and desalination plants; in the reduction of wastewater in
chrome-plating industry; as a preservative in the manufacture of
trinitrotoluene (TNT); as a bleaching agent and for scrubbing sulphur dioxide
gas in pulp mills in power plants and for leather treatment.
It is also used as an oxygen scavenger in low-pressure boilers
and in the manufacture of detergent, sodium thiosulphate and photographic
chemicals.
Also it
is used in several other applications as Ore Flotation, Oil Recovery, Food
preservatives, Iron exchange, Fire controller, Pesticides, in making Dyes &
Detergents and in Textile Industries.