Process for the preparation of catalyst microspheres

Catalyst – solid sorbent – or support therefor: product or process – Forming or treating a sphere – process only

Reexamination Certificate

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C502S009000, C502S064000, C502S067000, C502S068000, C502S072000, C502S080000, C502S355000

Reexamination Certificate

active

10731917

ABSTRACT:
The present invention relates to a process for the preparation of catalyst particles with a particle diameter in the range 20–2000 microns involving the steps of agitating at least two dry catalyst ingredients, spraying a liquid binding agent on the catalyst ingredients while continuing the agitation, and isolating formed catalyst particles with the desired particle diameter and comprising the catalyst ingredients. In contrast to the conventional way of preparing such particles, spray-drying, the present process allows the formation of small particles from slurries with a high solids content. Hence, smaller amounts of liquid have to be evaporated, which makes the process energy efficient.

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