Removal of SO.sub.2 from SO.sub.2 -containing gases
First Claim
Patent Images
1. A dry process for the removal of SO2 from a gaseous mixture containing SO2 which comprises contacting said gaseous mixture containing SO2 with a mixture containing at least one alkaline earth compound selected from the group consisting of calcium and magnesium carbonates, oxides and hydroxides and from about 0.01 to about 12 weight percent sugar at a temperature in the range of about 100°
- to about 2400°
F., with the mols of said alkaline earth compound relative to the mols of SO2 in said gaseous mixture being in the range of about 0.5;
1 to about 3;
1.
11 Assignments
0 Petitions
Accused Products
Abstract
A process for the removal of SO2 from a gaseous mixture containing SO2 which comprises contacting said gaseous mixture containing SO2 with a mixture containing a sugar and at least one alkaline earth compound selected from the group consisting of calcium and magnesium carbonates, oxides and hydroxides.
-
Citations
22 Claims
-
1. A dry process for the removal of SO2 from a gaseous mixture containing SO2 which comprises contacting said gaseous mixture containing SO2 with a mixture containing at least one alkaline earth compound selected from the group consisting of calcium and magnesium carbonates, oxides and hydroxides and from about 0.01 to about 12 weight percent sugar at a temperature in the range of about 100°
- to about 2400°
F., with the mols of said alkaline earth compound relative to the mols of SO2 in said gaseous mixture being in the range of about 0.5;
1 to about 3;
1. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
- to about 2400°
Specification