LS-971

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Oxygen Scavenging Sulfur Recovery Catalyst LS-971

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LS-971 is kind of sulfur recovery catalyst with dual functions of high Claus activity and O2 scavenging. In the same unit, the total sulfur conversion can be increased by 1.7% when it is combined with Al2O3 based catalyst. It is an innovation in China and it stands at the world advanced level
■ Dual functions of high Claus activity and O2 scavenging.
■ High activity and stability.
■ Preventing or lessening Al2O3 based catalyst from being sulfated due to “leaked O2” in process gas to prolong the service life of the catalyst.

Applications and operating conditions

Suitable for Claus sulfur recovery in petrochemical and coal chemical industry, it can be used in any Claus reactor loaded full bed or in combination with other catalysts of different types or functions. It is loaded in the upper section of the reactor bed with at least 1/3 of the total volume to prevent or lessen the sulfation of Al2O3 based catalyst by “leaked O2” in process gas, which will result in long service life of the catalyst
■ Temperature:      220~350℃ 
■ Pressure:         ~0.2MPa
■ Space velocity:    200~1000h-1

Physio-chemical properties

Exterior   Red-brown sphere
Size (mm) Φ4~6
Main component   Al2O3
Specific surface area (m2/g) ≥260
Bulk density (kg/L) 0.75~0.85
Crushing strength (N/granula) ≥130

Package and transportation

■ Packed with plastics kitting bag lined with plastics bag, net weight:40kg(or customized as per customer’s demand). 
■ Prevented from moisture, rolling, sharp shocking, raining during transportation.
■ Stored in dry and ventilated places, preventing from pollution and moisture.

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