Ammonium Sulfite → Calcium Sulfate

HRID 1439243Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1439243
[O-2:1].[Ca+2:2].[S-2:3].[Ca+2].[S:5]([O-:8])([O-:7])=[O:6].[NH4+:9].[NH4+]>O>[S:5]([O-:1])([O-:8])(=[O:7])=[O:6].[Ca+2:2].[S:5]([O-:8])([O-:7])=[O:6].[Ca+2:2].[NH4+:9]=[S:3]

Komponenten

6

Edukt 3

HCID 25041Ammonium SulfiteHCID 6850728CalciumoxideHCID 10197613Calcium Sulfide

Produkt 2

HCID 24497Calcium SulfateHCID 10154041Calcium sulfite

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Versuchsvorschrift

reacting said waste water with a mixture of calcium oxide and calcium sulfide and with recycled ammonium sulfite from step (f), the molar ratio CaS/CaO being at least 0.5:1 and the amounts of the reactants being sufficient to form simultaneously insoluble calcium sulfate, insoluble calcium sulfite, and ammonium sulfide dissolved in the aqueous phase and then separating the resulting mixture of insoluble calcium sulfate and calcium sulfite from the aqueous phase,

Quellen und Nachweise

ORD-Eintrag
ord-cee7917a20854f248aa016ce03046856
Quelldatensatz
uspto-grants-1977_11
Patentnummer
US04058591

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