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  HZ202 Second Reforming Catalyst  
Application
HZ201 is a thermo-protective agent, composed of MgAl2O4 spinel and highly sintered nickel oxide. It can be used as the top layer in a secondary reformer to protect the catalyst below it. HZ202 and HZ203 are reforming catalysts with nickel as the active element and high temperature resistant MgAl2O4 spinel as carrier. They are suitable for secondary reforming in the hydrocarbon steam reforming process for ammonia and hydrogen production.

Characteristics
The catalysts contain very few impurities which could migrate a high temperature and have stable performance, good activity and strength. HZ201 and HZ202 are made as spheres to provide the best heat and mass transfer. HZ203 has grooved sides to provide more surface, convex ends to provide better heat and mass transfer and highest surface area to provide higher activity.

Physical and chemical properties

 

HZ201

HZ202

HZ203

From

5-hole spheres

5-hole spheres

5-hole cylinders with grooved sides and convex ends

Size, mm

 

 

1920

Hole Diameter, mm

3-5

3-5

3-5

Bulk Density, kg/l

0.9-1.1

Crushing Strength, N/point

≥400

≥300

≥300

NiO, %

≥6.0

≥14

≥14

Free Silica, %

≤0.2

≤0.2

≤0.2

Operating Conditions

Temperature, ℃

≤1500

Pressure, MPa

≤3.5

Space Velocity, h-1

≤6500

Inlet H2S content, ppmv

≤0.5

     

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