Chemical Reaction Engineering
Fluidised bed reactor is characterised by

Very small pressure drop
Comparatively smaller equipment
Absence of continuous catalyst regeneration facility
Uniformity of temperature

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Chemical Reaction Engineering
A catalyst loses its activity due to

Covering of the catalytic active sites by a foregin substance
All of these
Agglomeration of metal particles caused by thermal sintering of the solid surface
Loss in surface area of the active component

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