Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Inorganic sulfur acid or anhydride producing type
Reexamination Certificate
2007-02-27
2007-02-27
Tran, Hien (Department: 1764)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Inorganic sulfur acid or anhydride producing type
C422S160000, C422S169000, C422S172000, C422S186220, C423S521000
Reexamination Certificate
active
10335227
ABSTRACT:
This invention presents a sulphurous acid generator which employs a combination of novel blending contact and mixing mechanisms which maximize the efficiency and duration of contact between sulphur dioxide gas and water to form sulphurous acid in an open nonpressurized system, without employing a countercurrent absorption tower.
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Harmon SO2Generators: Care and Maintenance, no date.
Kirton & McConkie
Leung Jennifer A.
Tran Hien
Zenger Todd E.
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