calcium sulfite


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calcium sulfite

[′kal·se·əm ′səl‚fīt]
(inorganic chemistry)
CaSO3·2H2O A white powder that is soluble in dilute sulfurous acid; may be dehydrated at 150°C to the anhydrous salt; used in the sulfite process for the manufacture of wood pulp.
References in periodicals archive ?
Before the conversion, NIPSCO landfilled, by truck, roughly the same amount of calcium sulfite annually.
This waste sludge, made up of calcium sulfate, calcium sulfite, unreacted lime or limestone, and water, can leach into groundwater unless it is impounded or treated before being used as landfill.
In this process, calcium sulfite, which is a waste product in lime and limestone systems, is oxidized to form calcium sulfate, or gypsum.