extrudates

extrudates
Catalyst particles that are made by forcing a paste of catalyst precursor material through a hole in a steel plate, called a die, to form a spaghetti-like solid. The solid is dried and broken into short segments to form the final product.

Petroleum refining glossary. 2013.

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  • plastic — plastically, plasticly, adv. /plas tik/, n. 1. Often, plastics. any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives,… …   Universalium

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