Prill

Un prill est un petit agglomérat de matériel, la plupart du temps une pastille sèche faite à partir d'un liquide. Un prill se forme à partir de gouttes qui congèlent en tombant depuis le haut d'une haute tour.

Des fertilisants (par exemple, nitrate d'ammonium et urée) et quelques poudres détersives sont composés de prills.

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