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LF704 ammonia synthesis catalyst

LF704 ammonia synthesis catalyst

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LF704 Ammonia Synthesis Catalyst

 

1 Introduction

  LF704 is a kind of high activity low temperature ammonia synthesis catalyst developed and improved on the basis of LF703. It has high heat resistance and poisoning resistance. Its performances have reached the world advanced level of the catalysts of same kind.

 

2 Technical requirements to LF704

Catalysts

LF704

Composition

Mainly Fe3O4, and other additives, such as CoO, Al2O3, K2O and CaO.

Total Fe, %

68-70

Specific area, m2/g

17-20

Exterior

Black magnetic irregular granules, with metal luster

Granularity, mm

1.5-2.2, 2.2-3.3, 3.3-4.7, 4.7-6.7, 6.7-9.4,  9.4-13.0;

or as per customer’s requirements

Bulk density, kg/L

2.7-2.9

Activity after heating (heated at 500℃ for 20h)

Experimental exit ammonia,

≥13.8%