Sulfate Ion → Calcium Sulfate, Hemihydrate

Beteiligte Stoffe

Reaktionsschritte

Preferably, sulfuric acid is added in amounts such that the sulfate content of the added acid and the sulfate content of the added rock is equivalent to about 90% to about 100% (more preferred 93-99.5%) of the stoichiometric amount of sulfate required to react with calcium added in the phosphate rock to form calcium sulfate hemihydrate.

Herkunft & Nachweise