Shape for extruded catalyst support particles and catalysts

Catalyst – solid sorbent – or support therefor: product or process – Miscellaneous

Patent

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Details

502527, B01J 3502

Patent

active

046736646

ABSTRACT:
Improvement of pressure drop in fixed bed reactors is obtained using catalysts or catalyst support particles which are helical lobed, polylobal extrudates having the shape of three or four strands wound helically about the axis of extrusion along the length of the particles. Catalysts are described for use in hydrotreating of petroleum distillation fractions and residues.

REFERENCES:
patent: 299285 (1884-05-01), Spruce
patent: 4022009 (1977-05-01), Van Assendelft
patent: 4495307 (1985-01-01), Clements

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