Sulfuric acid magnesium salt (1:1) → Calcium Sulfate

HRID 1389758Notes

Reaction equation

HRID 1389758 reaction equation
[S:1]([O-:5])([O-:4])(=[O:3])=[O:2].[Mg+2:6].[OH-:7].[Ca+2:8].[OH-]>>[OH-:2].[Mg+2:6].[OH-:7].[S:1]([O-:5])([O-:4])(=[O:3])=[O:2].[Ca+2:8]

Participants

4

Reactant 2

HCID 24083Sulfuric acid magnesium salt (1:1)HCID 6093208Calcium Hydroxide

Product 2

HCID 24497Calcium SulfateHCID 73981Magnesium Hydroxide

Procedure

transferring at least a portion of said oxidizer effluent stream to a reaction zone, where said magnesium sulfate is reacted with calcium hydroxide to provide magnesium hydroxide and insoluble calcium sulfate and make-up magnesium is added as Type S hydrated dolomitic lime to provide an alkaline effluent;

Sources & evidence

ORD record
ord-89949bbe7e4e49e685de7d292e168bd6
Source dataset
uspto-grants-1981_01
Patent number
US04246245

Reaction notes

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