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Handbook of Sulphuric Acid Manufacturing
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Contact Section -
Catalysts
- Clariant
December 21, 2023
Introduction Catalyst Types |
Associated Links |
The physical properties of the catalyst are provided in the following table and a brief description of each catalyst is given below.
SulfoMax® RR | SulfoMax® HV | SulfoMax® CS | SulfoMax® CV | |
Characteristics | Wide Range of SO2 Concentrations and Temperature | High Vanadium | Cesium Promoted | High Vanadium and High Cesium |
Shapes | Ribbed Ring | Ribbed Ring | Ribbed Ring | Ribbed Ring |
Operating Temperature | 420 to 630°C | 420 to 600°C | 380 to 450°C | 370 to 450°C |
Use | All Beds |
High SO3
Environments Beds before Intermediate Absorption |
Top Layer of Bed 1 or Final Bed | Bed After Interpass Absorber |
SulfoMax® EV | SulfoMax® WRR | SulfoMax® WCV | SulfoMax® G-WRR | |
Characteristics | Operates at Much Lower Temperatures than Current Catalyst | Wide Range of SO2 Concentrations and Temperature in wet gas application | Bed After Interpass Absorber in wet gas application | Used as a Dust/Mist guard in wet gas application |
Shapes | Ribbed Ring | Ribbed Ring | Ribbed Ring | Ribbed Ring |
Operating Temperature | 360 to 450°C | 420 to 630°C | 370 to 450°C | 420 to 630°C |
Use | Bed After Interpass Absorber | All Beds | Bed After Interpass Absorber/Final Bed | Top Layer of Bed 1 |
SulfoMax® GRR | ||||
Characteristics | Dust Guard catalyst with low pressure drop | |||
Shapes | Ribbed Ring Plain Rings |
|||
Operating Temperature | 420 to 630°C | |||
Use | Top Layer of Bed 1 |